Set app_package to match applicationIdSuffix.

bramble-android/build.gradle

@@ -9,8 +9,8 @@ android {
 	defaultConfig {
 		minSdkVersion 14
 		targetSdkVersion 26
-		versionCode 10104
-		versionName "1.1.4"
+		versionCode 10103
+		versionName "1.1.3"
 		consumerProguardFiles 'proguard-rules.txt'
 
 		testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"

bramble-android/src/main/java/org/briarproject/bramble/plugin/bluetooth/AndroidBluetoothPlugin.java

@@ -16,27 +16,18 @@ import org.briarproject.bramble.api.plugin.PluginException;
 import org.briarproject.bramble.api.plugin.duplex.DuplexPluginCallback;
 import org.briarproject.bramble.api.plugin.duplex.DuplexTransportConnection;
 import org.briarproject.bramble.api.system.AndroidExecutor;
-import org.briarproject.bramble.api.system.Clock;
 import org.briarproject.bramble.util.AndroidUtils;
 
 import java.io.Closeable;
 import java.io.IOException;
 import java.security.SecureRandom;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.List;
 import java.util.UUID;
-import java.util.concurrent.BlockingQueue;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.Executor;
-import java.util.concurrent.LinkedBlockingQueue;
 import java.util.logging.Logger;
 
 import javax.annotation.Nullable;
 
-import static android.bluetooth.BluetoothAdapter.ACTION_DISCOVERY_FINISHED;
-import static android.bluetooth.BluetoothAdapter.ACTION_DISCOVERY_STARTED;
 import static android.bluetooth.BluetoothAdapter.ACTION_SCAN_MODE_CHANGED;
 import static android.bluetooth.BluetoothAdapter.ACTION_STATE_CHANGED;
 import static android.bluetooth.BluetoothAdapter.EXTRA_SCAN_MODE;
@@ -46,13 +37,8 @@ import static android.bluetooth.BluetoothAdapter.SCAN_MODE_CONNECTABLE_DISCOVERA
 import static android.bluetooth.BluetoothAdapter.SCAN_MODE_NONE;
 import static android.bluetooth.BluetoothAdapter.STATE_OFF;
 import static android.bluetooth.BluetoothAdapter.STATE_ON;
-import static android.bluetooth.BluetoothDevice.ACTION_FOUND;
-import static android.bluetooth.BluetoothDevice.EXTRA_DEVICE;
-import static java.util.concurrent.TimeUnit.MILLISECONDS;
-import static java.util.logging.Level.INFO;
 import static java.util.logging.Level.WARNING;
 import static org.briarproject.bramble.util.LogUtils.logException;
-import static org.briarproject.bramble.util.PrivacyUtils.scrubMacAddress;
 
 @MethodsNotNullByDefault
 @ParametersNotNullByDefault
@@ -61,11 +47,8 @@ class AndroidBluetoothPlugin extends BluetoothPlugin<BluetoothServerSocket> {
 	private static final Logger LOG =
 			Logger.getLogger(AndroidBluetoothPlugin.class.getName());
 
-	private static final int MAX_DISCOVERY_MS = 10_000;
-
 	private final AndroidExecutor androidExecutor;
 	private final Context appContext;
-	private final Clock clock;
 
 	private volatile boolean wasEnabledByUs = false;
 	private volatile BluetoothStateReceiver receiver = null;
@@ -75,13 +58,12 @@ class AndroidBluetoothPlugin extends BluetoothPlugin<BluetoothServerSocket> {
 
 	AndroidBluetoothPlugin(BluetoothConnectionLimiter connectionLimiter,
 			Executor ioExecutor, AndroidExecutor androidExecutor,
-			Context appContext, SecureRandom secureRandom, Clock clock,
-			Backoff backoff, DuplexPluginCallback callback, int maxLatency) {
+			Context appContext, SecureRandom secureRandom, Backoff backoff,
+			DuplexPluginCallback callback, int maxLatency) {
 		super(connectionLimiter, ioExecutor, secureRandom, backoff, callback,
 				maxLatency);
 		this.androidExecutor = androidExecutor;
 		this.appContext = appContext;
-		this.clock = clock;
 	}
 
 	@Override
@@ -200,74 +182,6 @@ class AndroidBluetoothPlugin extends BluetoothPlugin<BluetoothServerSocket> {
 		}
 	}
 
-	@Override
-	@Nullable
-	DuplexTransportConnection discoverAndConnect(String uuid) {
-		if (adapter == null) return null;
-		for (String address : discoverDevices()) {
-			try {
-				if (LOG.isLoggable(INFO))
-					LOG.info("Connecting to " + scrubMacAddress(address));
-				return connectTo(address, uuid);
-			} catch (IOException e) {
-				if (LOG.isLoggable(INFO)) {
-					LOG.info("Could not connect to "
-							+ scrubMacAddress(address));
-				}
-			}
-		}
-		LOG.info("Could not connect to any devices");
-		return null;
-	}
-
-	private Collection<String> discoverDevices() {
-		List<String> addresses = new ArrayList<>();
-		BlockingQueue<Intent> intents = new LinkedBlockingQueue<>();
-		DiscoveryReceiver receiver = new DiscoveryReceiver(intents);
-		IntentFilter filter = new IntentFilter();
-		filter.addAction(ACTION_DISCOVERY_STARTED);
-		filter.addAction(ACTION_DISCOVERY_FINISHED);
-		filter.addAction(ACTION_FOUND);
-		appContext.registerReceiver(receiver, filter);
-		try {
-			if (adapter.startDiscovery()) {
-				long now = clock.currentTimeMillis();
-				long end = now + MAX_DISCOVERY_MS;
-				while (now < end) {
-					Intent i = intents.poll(end - now, MILLISECONDS);
-					if (i == null) break;
-					String action = i.getAction();
-					if (ACTION_DISCOVERY_STARTED.equals(action)) {
-						LOG.info("Discovery started");
-					} else if (ACTION_DISCOVERY_FINISHED.equals(action)) {
-						LOG.info("Discovery finished");
-						break;
-					} else if (ACTION_FOUND.equals(action)) {
-						BluetoothDevice d = i.getParcelableExtra(EXTRA_DEVICE);
-						String address = d.getAddress();
-						if (LOG.isLoggable(INFO))
-							LOG.info("Discovered " + scrubMacAddress(address));
-						if (!addresses.contains(address))
-							addresses.add(address);
-					}
-					now = clock.currentTimeMillis();
-				}
-			} else {
-				LOG.info("Could not start discovery");
-			}
-		} catch (InterruptedException e) {
-			LOG.info("Interrupted while discovering devices");
-			Thread.currentThread().interrupt();
-		} finally {
-			LOG.info("Cancelling discovery");
-			adapter.cancelDiscovery();
-			appContext.unregisterReceiver(receiver);
-		}
-		// Shuffle the addresses so we don't always try the same one first
-		Collections.shuffle(addresses);
-		return addresses;
-	}
-
 	private void tryToClose(@Nullable Closeable c) {
 		try {
 			if (c != null) c.close();
@@ -293,18 +207,4 @@ class AndroidBluetoothPlugin extends BluetoothPlugin<BluetoothServerSocket> {
 			}
 		}
 	}
-
-	private static class DiscoveryReceiver extends BroadcastReceiver {
-
-		private final BlockingQueue<Intent> intents;
-
-		private DiscoveryReceiver(BlockingQueue<Intent> intents) {
-			this.intents = intents;
-		}
-
-		@Override
-		public void onReceive(Context ctx, Intent intent) {
-			intents.add(intent);
-		}
-	}
 }

bramble-android/src/main/java/org/briarproject/bramble/plugin/bluetooth/AndroidBluetoothPluginFactory.java

@@ -11,7 +11,6 @@ import org.briarproject.bramble.api.plugin.duplex.DuplexPlugin;
 import org.briarproject.bramble.api.plugin.duplex.DuplexPluginCallback;
 import org.briarproject.bramble.api.plugin.duplex.DuplexPluginFactory;
 import org.briarproject.bramble.api.system.AndroidExecutor;
-import org.briarproject.bramble.api.system.Clock;
 
 import java.security.SecureRandom;
 import java.util.concurrent.Executor;
@@ -34,19 +33,17 @@ public class AndroidBluetoothPluginFactory implements DuplexPluginFactory {
 	private final Context appContext;
 	private final SecureRandom secureRandom;
 	private final EventBus eventBus;
-	private final Clock clock;
 	private final BackoffFactory backoffFactory;
 
 	public AndroidBluetoothPluginFactory(Executor ioExecutor,
 			AndroidExecutor androidExecutor, Context appContext,
-			SecureRandom secureRandom, EventBus eventBus, Clock clock,
+			SecureRandom secureRandom, EventBus eventBus,
 			BackoffFactory backoffFactory) {
 		this.ioExecutor = ioExecutor;
 		this.androidExecutor = androidExecutor;
 		this.appContext = appContext;
 		this.secureRandom = secureRandom;
 		this.eventBus = eventBus;
-		this.clock = clock;
 		this.backoffFactory = backoffFactory;
 	}
 
@@ -68,7 +65,7 @@ public class AndroidBluetoothPluginFactory implements DuplexPluginFactory {
 				MAX_POLLING_INTERVAL, BACKOFF_BASE);
 		AndroidBluetoothPlugin plugin = new AndroidBluetoothPlugin(
 				connectionLimiter, ioExecutor, androidExecutor, appContext,
-				secureRandom, clock, backoff, callback, MAX_LATENCY);
+				secureRandom, backoff, callback, MAX_LATENCY);
 		eventBus.addListener(plugin);
 		return plugin;
 	}

bramble-api/src/main/java/org/briarproject/bramble/api/keyagreement/KeyAgreementConstants.java

@@ -21,7 +21,7 @@ public interface KeyAgreementConstants {
 	/**
 	 * The connection timeout in milliseconds.
 	 */
-	long CONNECTION_TIMEOUT = 60_000;
+	long CONNECTION_TIMEOUT = 20 * 1000;
 
 	/**
 	 * The transport identifier for Bluetooth.

bramble-api/src/main/java/org/briarproject/bramble/util/StringUtils.java

@@ -153,4 +153,15 @@ public class StringUtils {
 		return new String(c);
 	}
 
+
+	public static String getRandomBase32String(int length) {
+		char[] c = new char[length];
+		for (int i = 0; i < length; i++) {
+			int character = random.nextInt(32);
+			if (character < 26) c[i] = (char) ('a' + character);
+			else c[i] = (char) ('2' + (character - 26));
+		}
+		return new String(c);
+	}
+
 }

bramble-core/src/main/java/org/briarproject/bramble/plugin/bluetooth/BluetoothPlugin.java

@@ -23,6 +23,7 @@ import org.briarproject.bramble.api.plugin.event.EnableBluetoothEvent;
 import org.briarproject.bramble.api.properties.TransportProperties;
 import org.briarproject.bramble.api.settings.Settings;
 import org.briarproject.bramble.api.settings.event.SettingsUpdatedEvent;
+import org.briarproject.bramble.util.StringUtils;
 
 import java.io.IOException;
 import java.security.SecureRandom;
@@ -45,9 +46,6 @@ import static org.briarproject.bramble.api.plugin.BluetoothConstants.PROP_UUID;
 import static org.briarproject.bramble.api.plugin.BluetoothConstants.UUID_BYTES;
 import static org.briarproject.bramble.util.LogUtils.logException;
 import static org.briarproject.bramble.util.PrivacyUtils.scrubMacAddress;
-import static org.briarproject.bramble.util.StringUtils.isNullOrEmpty;
-import static org.briarproject.bramble.util.StringUtils.macToBytes;
-import static org.briarproject.bramble.util.StringUtils.macToString;
 
 @MethodsNotNullByDefault
 @ParametersNotNullByDefault
@@ -98,9 +96,6 @@ abstract class BluetoothPlugin<SS> implements DuplexPlugin, EventListener {
 	abstract DuplexTransportConnection connectTo(String address, String uuid)
 			throws IOException;
 
-	@Nullable
-	abstract DuplexTransportConnection discoverAndConnect(String uuid);
-
 	BluetoothPlugin(BluetoothConnectionLimiter connectionLimiter,
 			Executor ioExecutor, SecureRandom secureRandom,
 			Backoff backoff, DuplexPluginCallback callback, int maxLatency) {
@@ -198,7 +193,7 @@ abstract class BluetoothPlugin<SS> implements DuplexPlugin, EventListener {
 			address = getBluetoothAddress();
 			if (LOG.isLoggable(INFO))
 				LOG.info("Local address " + scrubMacAddress(address));
-			if (!isNullOrEmpty(address)) {
+			if (!StringUtils.isNullOrEmpty(address)) {
 				p.put(PROP_ADDRESS, address);
 				changed = true;
 			}
@@ -261,9 +256,9 @@ abstract class BluetoothPlugin<SS> implements DuplexPlugin, EventListener {
 		// Try to connect to known devices in parallel
 		for (Entry<ContactId, TransportProperties> e : contacts.entrySet()) {
 			String address = e.getValue().get(PROP_ADDRESS);
-			if (isNullOrEmpty(address)) continue;
+			if (StringUtils.isNullOrEmpty(address)) continue;
 			String uuid = e.getValue().get(PROP_UUID);
-			if (isNullOrEmpty(uuid)) continue;
+			if (StringUtils.isNullOrEmpty(uuid)) continue;
 			ContactId c = e.getKey();
 			ioExecutor.execute(() -> {
 				if (!isRunning() || !shouldAllowContactConnections()) return;
@@ -314,9 +309,9 @@ abstract class BluetoothPlugin<SS> implements DuplexPlugin, EventListener {
 		if (!isRunning() || !shouldAllowContactConnections()) return null;
 		if (!connectionLimiter.canOpenContactConnection()) return null;
 		String address = p.get(PROP_ADDRESS);
-		if (isNullOrEmpty(address)) return null;
+		if (StringUtils.isNullOrEmpty(address)) return null;
 		String uuid = p.get(PROP_UUID);
-		if (isNullOrEmpty(uuid)) return null;
+		if (StringUtils.isNullOrEmpty(uuid)) return null;
 		DuplexTransportConnection conn = connect(address, uuid);
 		if (conn == null) return null;
 		// TODO: Why don't we reset the backoff here?
@@ -331,6 +326,9 @@ abstract class BluetoothPlugin<SS> implements DuplexPlugin, EventListener {
 	@Override
 	public KeyAgreementListener createKeyAgreementListener(byte[] commitment) {
 		if (!isRunning()) return null;
+		// There's no point listening if we can't discover our own address
+		String address = getBluetoothAddress();
+		if (address == null) return null;
 		// No truncation necessary because COMMIT_LENGTH = 16
 		String uuid = UUID.nameUUIDFromBytes(commitment).toString();
 		if (LOG.isLoggable(INFO)) LOG.info("Key agreement UUID " + uuid);
@@ -348,8 +346,7 @@ abstract class BluetoothPlugin<SS> implements DuplexPlugin, EventListener {
 		}
 		BdfList descriptor = new BdfList();
 		descriptor.add(TRANSPORT_ID_BLUETOOTH);
-		String address = getBluetoothAddress();
-		if (address != null) descriptor.add(macToBytes(address));
+		descriptor.add(StringUtils.macToBytes(address));
 		return new BluetoothKeyAgreementListener(descriptor, ss);
 	}
 
@@ -357,25 +354,18 @@ abstract class BluetoothPlugin<SS> implements DuplexPlugin, EventListener {
 	public DuplexTransportConnection createKeyAgreementConnection(
 			byte[] commitment, BdfList descriptor) {
 		if (!isRunning()) return null;
+		String address;
+		try {
+			address = parseAddress(descriptor);
+		} catch (FormatException e) {
+			LOG.info("Invalid address in key agreement descriptor");
+			return null;
+		}
 		// No truncation necessary because COMMIT_LENGTH = 16
 		String uuid = UUID.nameUUIDFromBytes(commitment).toString();
-		DuplexTransportConnection conn;
-		if (descriptor.size() == 1) {
-			if (LOG.isLoggable(INFO))
-				LOG.info("Discovering address for key agreement UUID " + uuid);
-			conn = discoverAndConnect(uuid);
-		} else {
-			String address;
-			try {
-				address = parseAddress(descriptor);
-			} catch (FormatException e) {
-				LOG.info("Invalid address in key agreement descriptor");
-				return null;
-			}
-			if (LOG.isLoggable(INFO))
-				LOG.info("Connecting to key agreement UUID " + uuid);
-			conn = connect(address, uuid);
-		}
+		if (LOG.isLoggable(INFO))
+			LOG.info("Connecting to key agreement UUID " + uuid);
+		DuplexTransportConnection conn = connect(address, uuid);
 		if (conn != null) connectionLimiter.keyAgreementConnectionOpened(conn);
 		return conn;
 	}
@@ -383,7 +373,7 @@ abstract class BluetoothPlugin<SS> implements DuplexPlugin, EventListener {
 	private String parseAddress(BdfList descriptor) throws FormatException {
 		byte[] mac = descriptor.getRaw(1);
 		if (mac.length != 6) throw new FormatException();
-		return macToString(mac);
+		return StringUtils.macToString(mac);
 	}
 
 	@Override

bramble-java/src/main/java/org/briarproject/bramble/plugin/bluetooth/JavaBluetoothPlugin.java

@@ -108,12 +108,6 @@ class JavaBluetoothPlugin extends BluetoothPlugin<StreamConnectionNotifier> {
 		return wrapSocket((StreamConnection) Connector.open(url));
 	}
 
-	@Override
-	@Nullable
-	DuplexTransportConnection discoverAndConnect(String uuid) {
-		return null; // TODO
-	}
-
 	private String makeUrl(String address, String uuid) {
 		return "btspp://" + address + ":" + uuid + ";name=RFCOMM";
 	}

briar-android/artwork/ic_link_down.svg

@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   style="width:24px;height:24px"
+   viewBox="0 0 24 24"
+   version="1.1"
+   id="svg4"
+   sodipodi:docname="ic_link_down.svg"
+   inkscape:version="0.92.3 (2405546, 2018-03-11)">
+  <metadata
+     id="metadata10">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs8" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="1020"
+     id="namedview6"
+     showgrid="false"
+     inkscape:zoom="13.906433"
+     inkscape:cx="5.1490538"
+     inkscape:cy="22.945407"
+     inkscape:window-x="1440"
+     inkscape:window-y="24"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg4" />
+  <path
+     fill="#000000"
+     d="M16,6H13V7.9H16C18.26,7.9 20.1,9.73 20.1,12A4.1,4.1 0 0,1 16,16.1H13V18H16A6,6 0 0,0 22,12C22,8.68 19.31,6 16,6M3.9,12C3.9,9.73 5.74,7.9 8,7.9H11V6H8A6,6 0 0,0 2,12A6,6 0 0,0 8,18H11V16.1H8C5.74,16.1 3.9,14.26 3.9,12M8,13H16V11H8V13Z"
+     id="path2" />
+  <path
+     id="path884"
+     d="m 21.659779,17.473157 h -2.295918 v 3.061224 H 17.51182 l 3.000001,3 2.999999,-3 h -1.852041 z"
+     inkscape:connector-curvature="0"
+     style="fill:#000000;stroke-width:0.38265303" />
+</svg>

briar-android/artwork/ic_link_up.svg

@@ -0,0 +1,58 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   style="width:24px;height:24px"
+   viewBox="0 0 24 24"
+   version="1.1"
+   id="svg4"
+   sodipodi:docname="ic_link_up.svg"
+   inkscape:version="0.92.3 (2405546, 2018-03-11)">
+  <metadata
+     id="metadata10">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs8" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="1020"
+     id="namedview6"
+     showgrid="false"
+     inkscape:zoom="13.906433"
+     inkscape:cx="5.1490538"
+     inkscape:cy="22.945407"
+     inkscape:window-x="1440"
+     inkscape:window-y="24"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg4" />
+  <path
+     fill="#000000"
+     d="M16,6H13V7.9H16C18.26,7.9 20.1,9.73 20.1,12A4.1,4.1 0 0,1 16,16.1H13V18H16A6,6 0 0,0 22,12C22,8.68 19.31,6 16,6M3.9,12C3.9,9.73 5.74,7.9 8,7.9H11V6H8A6,6 0 0,0 2,12A6,6 0 0,0 8,18H11V16.1H8C5.74,16.1 3.9,14.26 3.9,12M8,13H16V11H8V13Z"
+     id="path2" />
+  <path
+     id="path884"
+     d="M 21.659779,23.534381 H 19.363861 V 20.473157 H 17.51182 l 3.000001,-3 2.999999,3 h -1.852041 z"
+     inkscape:connector-curvature="0"
+     style="fill:#000000;stroke-width:0.38265303" />
+</svg>

briar-android/build.gradle

@@ -2,6 +2,70 @@ apply plugin: 'com.android.application'
 apply plugin: 'witness'
 apply from: 'witness.gradle'
 
+// prototype
+repositories {
+	maven { url 'https://jitpack.io' }
+}
+
+dependencies {
+	implementation project(path: ':briar-core', configuration: 'default')
+	implementation project(path: ':bramble-core', configuration: 'default')
+	implementation project(':bramble-android')
+
+	def supportVersion = '28.0.0'
+	implementation "com.android.support:support-v4:$supportVersion"
+	implementation("com.android.support:appcompat-v7:$supportVersion") {
+		exclude module: 'support-v4'
+	}
+	implementation("com.android.support:preference-v14:$supportVersion") {
+		exclude module: 'support-v4'
+	}
+	implementation("com.android.support:design:$supportVersion") {
+		exclude module: 'support-v4'
+		exclude module: 'recyclerview-v7'
+	}
+	implementation "com.android.support:cardview-v7:$supportVersion"
+	implementation "com.android.support:support-annotations:$supportVersion"
+	implementation 'com.android.support.constraint:constraint-layout:1.1.3'
+
+	implementation('ch.acra:acra:4.9.1') {
+		exclude module: 'support-v4'
+		exclude module: 'support-annotations'
+	}
+	implementation 'info.guardianproject.panic:panic:0.5'
+	implementation 'info.guardianproject.trustedintents:trustedintents:0.2'
+	implementation 'de.hdodenhof:circleimageview:2.2.0'
+	implementation 'com.google.zxing:core:3.3.0'
+	implementation 'uk.co.samuelwall:material-tap-target-prompt:2.8.0'
+	implementation 'com.vanniktech:emoji-google:0.5.1'
+
+	annotationProcessor 'com.google.dagger:dagger-compiler:2.0.2'
+
+	compileOnly 'javax.annotation:jsr250-api:1.0'
+
+	testImplementation project(path: ':bramble-api', configuration: 'testOutput')
+	testImplementation project(path: ':bramble-core', configuration: 'testOutput')
+	testImplementation 'org.robolectric:robolectric:3.8'
+	testImplementation 'org.robolectric:shadows-support-v4:3.3.2'
+	testImplementation 'org.mockito:mockito-core:2.13.0'
+	testImplementation 'junit:junit:4.12'
+	testImplementation "org.jmock:jmock:2.8.2"
+	testImplementation "org.jmock:jmock-junit4:2.8.2"
+	testImplementation "org.jmock:jmock-legacy:2.8.2"
+	testImplementation "org.hamcrest:hamcrest-library:1.3"
+	testImplementation "org.hamcrest:hamcrest-core:1.3"
+
+	def espressoVersion = '3.0.2'
+	androidTestImplementation "com.android.support.test.espresso:espresso-core:$espressoVersion"
+	androidTestImplementation "com.android.support.test.espresso:espresso-contrib:$espressoVersion"
+	androidTestImplementation "com.android.support.test.espresso:espresso-intents:$espressoVersion"
+	androidTestImplementation "tools.fastlane:screengrab:1.1.0"
+	androidTestImplementation "com.android.support.test.uiautomator:uiautomator-v18:2.1.3"
+	androidTestAnnotationProcessor "com.google.dagger:dagger-compiler:2.0.2"
+	androidTestCompileOnly 'javax.annotation:jsr250-api:1.0'
+	androidTestImplementation 'junit:junit:4.12'
+}
+
 def getStdout = { command, defaultValue ->
 	def stdout = new ByteArrayOutputStream()
 	try {
@@ -22,8 +86,8 @@ android {
 	defaultConfig {
 		minSdkVersion 15
 		targetSdkVersion 26
-		versionCode 10104
-		versionName "1.1.4"
+		versionCode 10103
+		versionName "1.1.3"
 		applicationId "org.briarproject.briar.android"
 		buildConfigField "String", "GitHash",
 				"\"${getStdout(['git', 'rev-parse', '--short=7', 'HEAD'], 'No commit hash')}\""
@@ -35,7 +99,7 @@ android {
 
 	buildTypes {
 		debug {
-			applicationIdSuffix ".debug"
+			applicationIdSuffix ".debug.qr" // prototype
 			shrinkResources false
 			minifyEnabled true
 			crunchPngs false
@@ -117,6 +181,9 @@ dependencies {
 	implementation 'uk.co.samuelwall:material-tap-target-prompt:2.12.4'
 	implementation 'com.vanniktech:emoji-google:0.5.1'
 
+	// prototype
+	implementation "com.github.kobakei:MaterialFabSpeedDial:1.2.0"
+
 	annotationProcessor 'com.google.dagger:dagger-compiler:2.0.2'
 
 	compileOnly 'javax.annotation:jsr250-api:1.0'

briar-android/src/debug/res/values/strings.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-	<string name="app_name" translatable="false">Briar Debug</string>
-	<string name="app_package" translatable="false">org.briarproject.briar.android.debug</string>
+	<string name="app_name" translatable="false">Briar Debug (Full)</string>
+	<string name="app_package" translatable="false">org.briarproject.briar.android.debug.qr</string>
 </resources>

briar-android/src/main/AndroidManifest.xml

@@ -1,13 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest
 	package="org.briarproject.briar"
-	xmlns:android="http://schemas.android.com/apk/res/android">
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:tools="http://schemas.android.com/tools">
 
 	<uses-feature android:name="android.hardware.bluetooth" android:required="false"/>
 	<uses-feature android:name="android.hardware.camera" android:required="false"/>
 	<uses-feature android:name="android.hardware.touchscreen" android:required="false" />
 
-	<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
 	<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
 	<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
 	<uses-permission android:name="android.permission.BLUETOOTH" />
@@ -28,7 +28,8 @@
 		android:label="@string/app_name"
 		android:logo="@mipmap/ic_launcher_round"
 		android:supportsRtl="true"
-		android:theme="@style/BriarTheme">
+		android:theme="@style/BriarTheme"
+		tools:ignore="GoogleAppIndexingWarning">
 
 		<receiver
 			android:name="org.briarproject.briar.android.login.SignInReminderReceiver"
@@ -412,5 +413,29 @@
 			android:launchMode="singleTask"
 			android:theme="@style/BriarTheme.NoActionBar"/>
 
+		<!-- Prototype -->
+		<activity
+			android:name=".android.contact.ContactLinkExchangeActivity"
+			android:theme="@style/BriarTheme"
+			android:label="@string/add_contact_title"
+			android:windowSoftInputMode="stateHidden|adjustResize">
+			<intent-filter>
+				<action android:name="android.intent.action.VIEW" />
+				<category android:name="android.intent.category.DEFAULT" />
+				<category android:name="android.intent.category.BROWSABLE" />
+				<data android:scheme="briar"/>
+			</intent-filter>
+			<intent-filter>
+				<action android:name="android.intent.action.SEND"/>
+				<category android:name="android.intent.category.DEFAULT"/>
+				<data android:mimeType="text/plain"/>
+			</intent-filter>
+		</activity>
+
+		<activity
+			android:name=".android.contact.PendingRequestsActivity"
+			android:label="@string/pending_contact_requests"
+			android:theme="@style/BriarTheme"/>
+
 	</application>
 </manifest>

briar-android/src/main/java/org/briarproject/briar/android/AppModule.java

@@ -107,7 +107,7 @@ public class AppModule {
 		Context appContext = app.getApplicationContext();
 		DuplexPluginFactory bluetooth =
 				new AndroidBluetoothPluginFactory(ioExecutor, androidExecutor,
-						appContext, random, eventBus, clock, backoffFactory);
+						appContext, random, eventBus, backoffFactory);
 		DuplexPluginFactory tor = new AndroidTorPluginFactory(ioExecutor,
 				scheduler, appContext, networkManager, locationUtils, eventBus,
 				torSocketFactory, backoffFactory, resourceProvider,

briar-android/src/main/java/org/briarproject/briar/android/activity/ActivityComponent.java

@@ -15,9 +15,14 @@ import org.briarproject.briar.android.blog.ReblogFragment;
 import org.briarproject.briar.android.blog.RssFeedImportActivity;
 import org.briarproject.briar.android.blog.RssFeedManageActivity;
 import org.briarproject.briar.android.blog.WriteBlogPostActivity;
+import org.briarproject.briar.android.contact.ContactLinkExchangeActivity;
+import org.briarproject.briar.android.contact.ContactLinkExchangeFragment;
 import org.briarproject.briar.android.contact.ContactListFragment;
 import org.briarproject.briar.android.contact.ContactModule;
+import org.briarproject.briar.android.contact.ContactQrCodeInputFragment;
+import org.briarproject.briar.android.contact.ContactQrCodeOutputFragment;
 import org.briarproject.briar.android.contact.ConversationActivity;
+import org.briarproject.briar.android.contact.PendingRequestsActivity;
 import org.briarproject.briar.android.forum.CreateForumActivity;
 import org.briarproject.briar.android.forum.ForumActivity;
 import org.briarproject.briar.android.forum.ForumListFragment;
@@ -167,6 +172,10 @@ public interface ActivityComponent {
 
 	void inject(UnlockActivity activity);
 
+	void inject(ContactLinkExchangeActivity activity);
+
+	void inject(PendingRequestsActivity activity);
+
 	// Fragments
 	void inject(AuthorNameFragment fragment);
 
@@ -211,4 +220,11 @@ public interface ActivityComponent {
 	void inject(ScreenFilterDialogFragment fragment);
 
 	void inject(ContactExchangeErrorFragment fragment);
+
+	void inject(ContactLinkExchangeFragment fragment);
+
+	void inject(ContactQrCodeOutputFragment fragment);
+
+	void inject(ContactQrCodeInputFragment fragment);
+
 }

briar-android/src/main/java/org/briarproject/briar/android/activity/BaseActivity.java

@@ -34,7 +34,6 @@ import org.briarproject.briar.api.android.ScreenFilterMonitor.AppDetails;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
-import java.util.logging.Logger;
 
 import javax.annotation.Nullable;
 import javax.inject.Inject;
@@ -43,8 +42,6 @@ import static android.arch.lifecycle.Lifecycle.State.STARTED;
 import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
 import static android.view.WindowManager.LayoutParams.FLAG_SECURE;
 import static android.view.inputmethod.InputMethodManager.SHOW_IMPLICIT;
-import static java.util.logging.Level.INFO;
-import static java.util.logging.Logger.getLogger;
 import static org.briarproject.briar.android.TestingConstants.PREVENT_SCREENSHOTS;
 
 /**
@@ -54,8 +51,6 @@ import static org.briarproject.briar.android.TestingConstants.PREVENT_SCREENSHOT
 public abstract class BaseActivity extends AppCompatActivity
 		implements DestroyableContext, OnTapFilteredListener {
 
-	private final static Logger LOG = getLogger(BaseActivity.class.getName());
-
 	@Inject
 	protected ScreenFilterMonitor screenFilterMonitor;
 
@@ -124,8 +119,6 @@ public abstract class BaseActivity extends AppCompatActivity
 	@Override
 	protected void onStart() {
 		super.onStart();
-		if (LOG.isLoggable(INFO))
-			LOG.info("Starting " + this.getClass().getSimpleName());
 		for (ActivityLifecycleController alc : lifecycleControllers) {
 			alc.onActivityStart();
 		}
@@ -144,8 +137,6 @@ public abstract class BaseActivity extends AppCompatActivity
 	@Override
 	protected void onStop() {
 		super.onStop();
-		if (LOG.isLoggable(INFO))
-			LOG.info("Stopping " + this.getClass().getSimpleName());
 		for (ActivityLifecycleController alc : lifecycleControllers) {
 			alc.onActivityStop();
 		}

briar-android/src/main/java/org/briarproject/briar/android/activity/RequestCodes.java

@@ -9,9 +9,9 @@ public interface RequestCodes {
 	int REQUEST_WRITE_BLOG_POST = 5;
 	int REQUEST_SHARE_BLOG = 6;
 	int REQUEST_RINGTONE = 7;
-	int REQUEST_PERMISSION_CAMERA_LOCATION = 8;
+	int REQUEST_PERMISSION_CAMERA = 8;
 	int REQUEST_DOZE_WHITELISTING = 9;
-	int REQUEST_BLUETOOTH_DISCOVERABLE = 10;
+	int REQUEST_ENABLE_BLUETOOTH = 10;
 	int REQUEST_UNLOCK = 11;
 	int REQUEST_KEYGUARD_UNLOCK = 12;
 

briar-android/src/main/java/org/briarproject/briar/android/contact/ContactLinkExchangeActivity.java

@@ -0,0 +1,184 @@
+package org.briarproject.briar.android.contact;
+
+import android.app.AlarmManager;
+import android.app.PendingIntent;
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.v7.app.ActionBar;
+import android.view.MenuItem;
+
+import org.briarproject.bramble.api.db.DbException;
+import org.briarproject.bramble.api.lifecycle.LifecycleManager;
+import org.briarproject.bramble.api.system.Clock;
+import org.briarproject.briar.R;
+import org.briarproject.briar.android.activity.ActivityComponent;
+import org.briarproject.briar.android.activity.BriarActivity;
+import org.briarproject.briar.android.fragment.BaseFragment.BaseFragmentListener;
+import org.briarproject.briar.api.messaging.MessagingManager;
+
+import java.util.logging.Logger;
+import java.util.regex.Pattern;
+
+import javax.annotation.Nullable;
+import javax.inject.Inject;
+
+import static android.app.AlarmManager.ELAPSED_REALTIME;
+import static android.content.Intent.ACTION_SEND;
+import static android.content.Intent.ACTION_VIEW;
+import static android.content.Intent.EXTRA_TEXT;
+import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
+import static android.os.SystemClock.elapsedRealtime;
+import static java.lang.String.CASE_INSENSITIVE_ORDER;
+import static java.util.Objects.requireNonNull;
+import static java.util.concurrent.TimeUnit.MINUTES;
+import static java.util.logging.Level.WARNING;
+import static org.briarproject.bramble.api.lifecycle.LifecycleManager.LifecycleState.RUNNING;
+import static org.briarproject.bramble.util.LogUtils.logException;
+import static org.briarproject.bramble.util.StringUtils.getRandomBase32String;
+
+public class ContactLinkExchangeActivity extends BriarActivity implements
+		BaseFragmentListener {
+
+	private static final Logger LOG =
+			Logger.getLogger(ContactLinkExchangeActivity.class.getName());
+
+	static final int LINK_LENGTH = 128;
+	static final Pattern LINK_REGEX =
+			Pattern.compile("(briar://)?([a-z2-7]{" + LINK_LENGTH + "})");
+	static final String OUR_LINK = "briar://" + getRandomBase32String(LINK_LENGTH);;
+
+	@Inject
+	LifecycleManager lifecycleManager;
+	@Inject
+	MessagingManager messagingManager;
+	@Inject
+	Clock clock;
+
+	@Override
+	public void injectActivity(ActivityComponent component) {
+		component.inject(this);
+	}
+
+	@Override
+	public void onCreate(@Nullable Bundle state) {
+		super.onCreate(state);
+		setContentView(R.layout.activity_fragment_container);
+
+		ActionBar ab = getSupportActionBar();
+		if (ab != null) {
+			ab.setDisplayHomeAsUpEnabled(true);
+		}
+
+		Intent i = getIntent();
+		if (i != null) {
+			String action = i.getAction();
+			if (ACTION_SEND.equals(action) || ACTION_VIEW.equals(action)) {
+				String text = i.getStringExtra(EXTRA_TEXT);
+				if (text != null) {
+					showInitialFragment(
+							ContactLinkExchangeFragment.newInstance(text));
+					return;
+				}
+				String uri = i.getDataString();
+				if (uri != null) {
+					showInitialFragment(
+							ContactLinkExchangeFragment.newInstance(uri));
+					return;
+				}
+			} else if ("addContact".equals(action)) {
+				removeFakeRequest(i.getStringExtra("name"),
+						i.getLongExtra("timestamp", 0));
+				setIntent(null);
+				finish();
+			}
+		}
+		if (state == null) {
+			showInitialFragment(new ContactLinkExchangeFragment());
+		}
+	}
+
+	@Override
+	public boolean onOptionsItemSelected(MenuItem item) {
+		switch (item.getItemId()) {
+			case android.R.id.home:
+				onBackPressed();
+				return true;
+			default:
+				return super.onOptionsItemSelected(item);
+		}
+	}
+
+	boolean isBriarLink(@Nullable CharSequence s) {
+		return s != null && LINK_REGEX.matcher(s).matches();
+	}
+
+	void scanCode() {
+		showNextFragment(new ContactQrCodeInputFragment());
+	}
+
+	void linkScanned(@Nullable String link) {
+		// FIXME: Contact name is lost
+		showNextFragment(ContactLinkExchangeFragment.newInstance(link));
+	}
+
+	void showCode() {
+		showNextFragment(new ContactQrCodeOutputFragment());
+	}
+
+	void addFakeRequest(String name, String link) {
+		long timestamp = clock.currentTimeMillis();
+		try {
+			messagingManager.addNewPendingContact(name, timestamp);
+		} catch (DbException e) {
+			logException(LOG, WARNING, e);
+		}
+
+		AlarmManager alarmManager =
+				(AlarmManager) requireNonNull(getSystemService(ALARM_SERVICE));
+		double random = getPseudoRandom(link, OUR_LINK.replace("briar://", ""));
+		long m = MINUTES.toMillis(1);
+		long fromNow = (long) (-m * Math.log(random));
+		LOG.info("Delay " + fromNow + " ms based on seed " + random);
+		long triggerAt = elapsedRealtime() + fromNow;
+
+		Intent i = new Intent(this, ContactLinkExchangeActivity.class);
+		i.setAction("addContact");
+		i.setFlags(FLAG_ACTIVITY_NEW_TASK);
+		i.putExtra("name", name);
+		i.putExtra("timestamp", timestamp);
+		PendingIntent pendingIntent =
+				PendingIntent.getActivity(this, (int) timestamp / 1000, i, 0);
+		alarmManager.set(ELAPSED_REALTIME, triggerAt, pendingIntent);
+	}
+
+	/**
+	 * Returns a pseudo-random value greater than or equal to 0 and less than 1,
+	 * approximately uniformly distributed, based on the given strings. The
+	 * same value is returned if the strings are swapped.
+	 */
+	private double getPseudoRandom(String a, String b) {
+		String first, second;
+		if (CASE_INSENSITIVE_ORDER.compare(a, b) < 0) {
+			first = a;
+			second = b;
+		} else {
+			first = b;
+			second = a;
+		}
+		int hash = (first + second).hashCode() & Integer.MAX_VALUE;
+		return hash / (1.0 + Integer.MAX_VALUE);
+	}
+
+	private void removeFakeRequest(String name, long timestamp) {
+		if (lifecycleManager.getLifecycleState() != RUNNING) {
+			LOG.info("Lifecycle not started, not adding contact " + name);
+			return;
+		}
+		LOG.info("Adding Contact " + name);
+		try {
+			messagingManager.removePendingContact(name, timestamp);
+		} catch (DbException e) {
+			logException(LOG, WARNING, e);
+		}
+	}
+}

briar-android/src/main/java/org/briarproject/briar/android/contact/ContactLinkExchangeFragment.java

@@ -0,0 +1,225 @@
+package org.briarproject.briar.android.contact;
+
+import android.content.ClipData;
+import android.content.ClipboardManager;
+import android.content.Intent;
+import android.graphics.drawable.Drawable;
+import android.os.Bundle;
+import android.support.annotation.NonNull;
+import android.support.design.widget.TextInputEditText;
+import android.support.design.widget.TextInputLayout;
+import android.support.v7.app.AlertDialog;
+import android.text.Editable;
+import android.text.TextWatcher;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import org.briarproject.briar.R;
+import org.briarproject.briar.android.activity.ActivityComponent;
+import org.briarproject.briar.android.fragment.BaseFragment;
+
+import java.util.regex.Matcher;
+
+import javax.annotation.Nullable;
+
+import static android.content.Context.CLIPBOARD_SERVICE;
+import static android.content.Intent.ACTION_SEND;
+import static android.content.Intent.EXTRA_TEXT;
+import static android.os.Build.VERSION.SDK_INT;
+import static android.support.v4.graphics.drawable.DrawableCompat.setTint;
+import static android.support.v4.graphics.drawable.DrawableCompat.wrap;
+import static android.widget.Toast.LENGTH_SHORT;
+import static java.util.Objects.requireNonNull;
+import static org.briarproject.briar.android.contact.ContactLinkExchangeActivity.LINK_REGEX;
+import static org.briarproject.briar.android.contact.ContactLinkExchangeActivity.OUR_LINK;
+import static org.briarproject.briar.android.util.UiUtils.resolveColorAttribute;
+
+public class ContactLinkExchangeFragment extends BaseFragment
+		implements TextWatcher {
+
+	static final String TAG = ContactLinkExchangeFragment.class.getName();
+
+	static BaseFragment newInstance(@Nullable String link) {
+		BaseFragment f = new ContactLinkExchangeFragment();
+		Bundle bundle = new Bundle();
+		bundle.putString("link", link);
+		f.setArguments(bundle);
+		return f;
+	}
+
+	private ClipboardManager clipboard;
+	private TextInputLayout linkInputLayout;
+	private TextInputEditText linkInput, contactNameInput;
+	private Button addButton;
+
+	@Override
+	public String getUniqueTag() {
+		return TAG;
+	}
+
+	@Override
+	public void injectFragment(ActivityComponent component) {
+		component.inject(this);
+	}
+
+	@Nullable
+	@Override
+	public View onCreateView(@NonNull LayoutInflater inflater,
+			@Nullable ViewGroup container,
+			@Nullable Bundle savedInstanceState) {
+		if (getActivity() == null || getContext() == null) return null;
+
+		getActivity().setTitle(R.string.add_contact_title);
+
+		View v = inflater.inflate(R.layout.fragment_contact_link_exchange,
+				container, false);
+
+		clipboard = (ClipboardManager) requireNonNull(
+				getContext().getSystemService(CLIPBOARD_SERVICE));
+
+		int color =
+				resolveColorAttribute(getContext(), R.attr.colorControlNormal);
+
+		addButton = v.findViewById(R.id.addButton);
+		addButton.setOnClickListener(view -> onAddButtonClicked());
+
+		contactNameInput = v.findViewById(R.id.contactNameInput);
+		contactNameInput.addTextChangedListener(this);
+		if (SDK_INT < 23) {
+			Drawable drawable =
+					wrap(contactNameInput.getCompoundDrawables()[0]);
+			setTint(drawable, color);
+			contactNameInput.setCompoundDrawables(drawable, null, null, null);
+		}
+
+		linkInputLayout = v.findViewById(R.id.linkInputLayout);
+		linkInput = v.findViewById(R.id.linkInput);
+		if (SDK_INT < 23) {
+			Drawable drawable = wrap(linkInput.getCompoundDrawables()[0]);
+			setTint(drawable, color);
+			linkInput.setCompoundDrawables(drawable, null, null, null);
+		}
+		linkInput.addTextChangedListener(this);
+		if (getArguments() != null)
+			linkInput.setText(getArguments().getString("link"));
+
+		Button pasteButton = v.findViewById(R.id.pasteButton);
+		pasteButton.setOnClickListener(view -> {
+			ClipData clip = clipboard.getPrimaryClip();
+			if (clip != null)
+				linkInput.setText(clip.getItemAt(0).getText());
+		});
+
+		Button scanCodeButton = v.findViewById(R.id.scanCodeButton);
+		scanCodeButton.setOnClickListener(view -> {
+			ContactLinkExchangeActivity activity = getCastActivity();
+			if (activity != null) activity.scanCode();
+		});
+
+		TextView linkView = v.findViewById(R.id.linkView);
+		linkView.setText(OUR_LINK);
+
+		ClipData clip = ClipData.newPlainText(
+				getString(R.string.link_clip_label), OUR_LINK);
+
+		Button copyButton = v.findViewById(R.id.copyButton);
+		copyButton.setOnClickListener(view -> {
+			clipboard.setPrimaryClip(clip);
+			Toast.makeText(getContext(), R.string.link_copied_toast,
+					LENGTH_SHORT).show();
+		});
+
+		Button shareButton = v.findViewById(R.id.shareButton);
+		shareButton.setOnClickListener(view -> {
+			Intent i = new Intent(ACTION_SEND);
+			i.putExtra(EXTRA_TEXT, OUR_LINK);
+			i.setType("text/plain");
+			startActivity(i);
+		});
+
+		Button showCodeButton = v.findViewById(R.id.showCodeButton);
+		showCodeButton.setOnClickListener(
+				view -> {
+					ContactLinkExchangeActivity activity = getCastActivity();
+					if (activity != null) activity.showCode();
+				});
+
+		return v;
+	}
+
+	private ContactLinkExchangeActivity getCastActivity() {
+		return (ContactLinkExchangeActivity) getActivity();
+	}
+
+	@Override
+	public void beforeTextChanged(CharSequence s, int start, int count,
+			int after) {
+	}
+
+	@Override
+	public void onTextChanged(CharSequence s, int start, int before,
+			int count) {
+		updateAddButtonState();
+	}
+
+	@Override
+	public void afterTextChanged(Editable s) {
+	}
+
+	private void updateAddButtonState() {
+		boolean validContactName = contactNameInput.getText() != null &&
+				contactNameInput.getText().length() > 0;
+		boolean briarLink = isBriarLink(linkInput.getText());
+		if (briarLink) {
+			linkInputLayout.setErrorEnabled(false);
+		} else {
+			linkInputLayout.setError("Invalid link");
+		}
+		addButton.setEnabled(validContactName && briarLink);
+	}
+
+	private boolean isBriarLink(@Nullable CharSequence s) {
+		ContactLinkExchangeActivity activity = getCastActivity();
+		return activity != null && activity.isBriarLink(s);
+	}
+
+	@Nullable
+	private String getLink() {
+		Matcher matcher = LINK_REGEX.matcher(linkInput.getText());
+		if (matcher.matches()) // needs to be called before groups become available
+			return matcher.group(2);
+		else
+			return null;
+	}
+
+	private void onAddButtonClicked() {
+		ContactLinkExchangeActivity activity = getCastActivity();
+		if (activity == null) return;
+
+		String linkText = getLink();
+		if (linkText == null) throw new AssertionError();
+		if (OUR_LINK.equals("briar://" + linkText)) {
+			new AlertDialog.Builder(activity, R.style.BriarDialogTheme_Neutral)
+					.setMessage(
+							"Add the link you get from your contact, not your own link.")
+					.setNeutralButton(R.string.ok,
+							(dialog, which) -> {
+								linkInput.setText(null);
+								dialog.cancel();
+							})
+					.show();
+			return;
+		}
+
+		activity.addFakeRequest(contactNameInput.getText().toString(),
+				linkText);
+
+		Intent intent = new Intent(activity, PendingRequestsActivity.class);
+		startActivity(intent);
+		finish();
+	}
+}

briar-android/src/main/java/org/briarproject/briar/android/contact/ContactListFragment.java

@@ -2,20 +2,22 @@ package org.briarproject.briar.android.contact;
 
 import android.content.Intent;
 import android.os.Bundle;
+import android.support.design.widget.FloatingActionButton;
+import android.support.design.widget.Snackbar;
 import android.support.v4.app.ActivityCompat;
 import android.support.v4.app.ActivityOptionsCompat;
+import android.support.v4.content.ContextCompat;
 import android.support.v4.util.Pair;
 import android.support.v7.widget.LinearLayoutManager;
 import android.view.LayoutInflater;
-import android.view.Menu;
-import android.view.MenuInflater;
-import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.TextView;
 
 import org.briarproject.bramble.api.contact.Contact;
 import org.briarproject.bramble.api.contact.ContactId;
 import org.briarproject.bramble.api.contact.ContactManager;
+import org.briarproject.bramble.api.contact.event.ContactAddedEvent;
 import org.briarproject.bramble.api.contact.event.ContactRemovedEvent;
 import org.briarproject.bramble.api.contact.event.ContactStatusChangedEvent;
 import org.briarproject.bramble.api.db.DbException;
@@ -37,17 +39,24 @@ import org.briarproject.briar.android.view.BriarRecyclerView;
 import org.briarproject.briar.api.android.AndroidNotificationManager;
 import org.briarproject.briar.api.client.MessageTracker.GroupCount;
 import org.briarproject.briar.api.messaging.ConversationManager;
+import org.briarproject.briar.api.messaging.MessagingManager;
+import org.briarproject.briar.api.messaging.MessagingManager.PendingContact;
 import org.briarproject.briar.api.messaging.PrivateMessageHeader;
 import org.briarproject.briar.api.messaging.event.PrivateMessageReceivedEvent;
 
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.List;
 import java.util.logging.Logger;
 
 import javax.annotation.Nullable;
 import javax.inject.Inject;
 
+import io.github.kobakei.materialfabspeeddial.FabSpeedDial;
+import io.github.kobakei.materialfabspeeddial.FabSpeedDial.OnMenuItemClickListener;
+
 import static android.os.Build.VERSION.SDK_INT;
+import static android.support.design.widget.Snackbar.LENGTH_INDEFINITE;
 import static android.support.v4.app.ActivityOptionsCompat.makeSceneTransitionAnimation;
 import static android.support.v4.view.ViewCompat.getTransitionName;
 import static java.util.logging.Level.WARNING;
@@ -58,7 +67,8 @@ import static org.briarproject.briar.android.contact.ConversationActivity.CONTAC
 
 @MethodsNotNullByDefault
 @ParametersNotNullByDefault
-public class ContactListFragment extends BaseFragment implements EventListener {
+public class ContactListFragment extends BaseFragment implements EventListener,
+		OnMenuItemClickListener {
 
 	public static final String TAG = ContactListFragment.class.getName();
 	private static final Logger LOG = Logger.getLogger(TAG);
@@ -70,8 +80,13 @@ public class ContactListFragment extends BaseFragment implements EventListener {
 	@Inject
 	AndroidNotificationManager notificationManager;
 
+	// TODO remove
+	@Inject
+	MessagingManager messagingManager;
+
 	private ContactListAdapter adapter;
 	private BriarRecyclerView list;
+	private Snackbar snackbar;
 
 	// Fields that are accessed from background threads must be volatile
 	@Inject
@@ -104,7 +119,12 @@ public class ContactListFragment extends BaseFragment implements EventListener {
 
 		getActivity().setTitle(R.string.contact_list_button);
 
-		View contentView = inflater.inflate(R.layout.list, container, false);
+		View contentView =
+				inflater.inflate(R.layout.fragment_contact_list, container,
+						false);
+
+		FabSpeedDial speedDialView = contentView.findViewById(R.id.speedDial);
+		speedDialView.addOnMenuItemClickListener(this);
 
 		OnContactClickListener<ContactListItem> onContactClickListener =
 				(view, item) -> {
@@ -143,26 +163,32 @@ public class ContactListFragment extends BaseFragment implements EventListener {
 		list.setEmptyText(getString(R.string.no_contacts));
 		list.setEmptyAction(getString(R.string.no_contacts_action));
 
+		snackbar = Snackbar.make(contentView,
+				R.string.pending_contact_requests_snackbar, LENGTH_INDEFINITE);
+		snackbar.getView().setBackgroundResource(R.color.briar_primary);
+		snackbar.setAction(R.string.show, v -> startActivity(
+				new Intent(getContext(), PendingRequestsActivity.class)));
+		snackbar.setActionTextColor(ContextCompat
+				.getColor(getContext(), R.color.briar_button_text_positive));
+
 		return contentView;
 	}
 
 	@Override
-	public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
-		inflater.inflate(R.menu.contact_list_actions, menu);
-		super.onCreateOptionsMenu(menu, inflater);
-	}
-
-	@Override
-	public boolean onOptionsItemSelected(MenuItem item) {
-		// Handle presses on the action bar items
-		switch (item.getItemId()) {
-			case R.id.action_add_contact:
+	public void onMenuItemClick(FloatingActionButton fab, @Nullable TextView v,
+			int itemId) {
+		switch (itemId) {
+			case R.id.action_add_contact_nearby:
 				Intent intent =
 						new Intent(getContext(), ContactExchangeActivity.class);
 				startActivity(intent);
-				return true;
+				return;
+			case R.id.action_add_contact_remotely:
+				startActivity(new Intent(getContext(),
+						ContactLinkExchangeActivity.class));
+				return;
 			default:
-				return super.onOptionsItemSelected(item);
+				return;
 		}
 	}
 
@@ -174,6 +200,26 @@ public class ContactListFragment extends BaseFragment implements EventListener {
 		notificationManager.clearAllIntroductionNotifications();
 		loadContacts();
 		list.startPeriodicUpdate();
+
+		// TODO remove
+		checkForPendingContacts();
+	}
+
+	// TODO remove
+	private void checkForPendingContacts() {
+		listener.runOnDbThread(() -> {
+			try {
+				Collection<PendingContact> contacts =
+						messagingManager.getPendingContacts();
+				if (contacts.isEmpty()) {
+					runOnUiThreadUnlessDestroyed(() -> snackbar.dismiss());
+				} else {
+					runOnUiThreadUnlessDestroyed(() -> snackbar.show());
+				}
+			} catch (DbException e) {
+				e.printStackTrace();
+			}
+		});
 	}
 
 	@Override
@@ -248,6 +294,11 @@ public class ContactListFragment extends BaseFragment implements EventListener {
 			PrivateMessageHeader h = p.getMessageHeader();
 			updateItem(p.getContactId(), h);
 		}
+
+		// TODO remove
+		else if (e instanceof ContactAddedEvent) {
+			checkForPendingContacts();
+		}
 	}
 
 	private void updateItem(ContactId c, PrivateMessageHeader h) {

briar-android/src/main/java/org/briarproject/briar/android/contact/ContactQrCodeInputFragment.java

@@ -0,0 +1,185 @@
+package org.briarproject.briar.android.contact;
+
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.support.annotation.NonNull;
+import android.support.v4.app.ActivityCompat;
+import android.support.v7.app.AlertDialog;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Toast;
+
+import com.google.zxing.Result;
+
+import org.briarproject.briar.R;
+import org.briarproject.briar.android.activity.ActivityComponent;
+import org.briarproject.briar.android.fragment.BaseFragment;
+import org.briarproject.briar.android.keyagreement.CameraException;
+import org.briarproject.briar.android.keyagreement.CameraView;
+import org.briarproject.briar.android.keyagreement.QrCodeDecoder;
+import org.briarproject.briar.android.util.UiUtils;
+
+import java.util.logging.Logger;
+
+import javax.annotation.Nullable;
+
+import static android.Manifest.permission.CAMERA;
+import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
+import static android.content.pm.PackageManager.PERMISSION_GRANTED;
+import static android.widget.Toast.LENGTH_LONG;
+import static android.widget.Toast.LENGTH_SHORT;
+import static java.util.logging.Level.WARNING;
+import static org.briarproject.bramble.util.LogUtils.logException;
+import static org.briarproject.briar.android.activity.RequestCodes.REQUEST_PERMISSION_CAMERA;
+
+public class ContactQrCodeInputFragment extends BaseFragment
+		implements QrCodeDecoder.ResultCallback {
+
+	static final String TAG = ContactQrCodeInputFragment.class.getName();
+
+	private static final Logger LOG = Logger.getLogger(TAG);
+
+	private CameraView cameraView;
+
+	@Override
+	public String getUniqueTag() {
+		return TAG;
+	}
+
+	@Override
+	public void injectFragment(ActivityComponent component) {
+		component.inject(this);
+	}
+
+	@Override
+	public void onActivityCreated(@Nullable Bundle savedInstanceState) {
+		if (getActivity() == null) throw new AssertionError();
+		super.onActivityCreated(savedInstanceState);
+		getActivity().setRequestedOrientation(SCREEN_ORIENTATION_NOSENSOR);
+		cameraView.setPreviewConsumer(new QrCodeDecoder(this));
+	}
+
+	@Nullable
+	@Override
+	public View onCreateView(@NonNull LayoutInflater inflater,
+			@Nullable ViewGroup container,
+			@Nullable Bundle savedInstanceState) {
+		if (getActivity() == null) return null;
+
+		getActivity().setTitle(R.string.scan_qr_code_title);
+
+		View v = inflater.inflate(R.layout.fragment_contact_qr_code_input,
+				container, false);
+
+		cameraView = v.findViewById(R.id.camera_view);
+
+		return v;
+	}
+
+	@Override
+	public void onStart() {
+		super.onStart();
+		if (checkPermissions()) {
+			startCamera();
+		}
+	}
+
+	@Override
+	public void onStop() {
+		super.onStop();
+		try {
+			cameraView.stop();
+		} catch (CameraException e) {
+			logException(LOG, WARNING, e);
+		}
+	}
+
+	private void startCamera() {
+		try {
+			cameraView.start();
+		} catch (CameraException e) {
+			logException(LOG, WARNING, e);
+			Toast.makeText(getContext(), R.string.camera_error_toast,
+					LENGTH_SHORT).show();
+		}
+	}
+
+	private boolean checkPermissions() {
+		if (getContext() == null) return false;
+		if (ActivityCompat.checkSelfPermission(getContext(), CAMERA) !=
+				PERMISSION_GRANTED) {
+			// Should we show an explanation?
+			if (shouldShowRequestPermissionRationale(CAMERA)) {
+				DialogInterface.OnClickListener continueListener =
+						(dialog, which) -> requestPermission();
+				AlertDialog.Builder
+						builder = new AlertDialog.Builder(getContext(),
+						R.style.BriarDialogTheme);
+				builder.setTitle(R.string.permission_camera_title);
+				builder.setMessage(R.string.permission_camera_request_body);
+				builder.setNeutralButton(R.string.continue_button,
+						continueListener);
+				builder.show();
+			} else {
+				requestPermission();
+			}
+			return false;
+		} else {
+			return true;
+		}
+	}
+
+	@Override
+	public void onRequestPermissionsResult(int requestCode,
+			@NonNull String[] permissions, @NonNull int[] grantResults) {
+		if (getContext() == null) return;
+		if (requestCode == REQUEST_PERMISSION_CAMERA) {
+			// If request is cancelled, the result arrays are empty.
+			if (grantResults.length > 0 &&
+					grantResults[0] == PERMISSION_GRANTED) {
+				startCamera();
+			} else {
+				if (!shouldShowRequestPermissionRationale(CAMERA)) {
+					// The user has permanently denied the request
+					AlertDialog.Builder
+							builder = new AlertDialog.Builder(getContext(),
+							R.style.BriarDialogTheme);
+					builder.setTitle(R.string.permission_camera_title);
+					builder.setMessage(R.string.permission_camera_denied_body);
+					builder.setPositiveButton(R.string.ok,
+							UiUtils.getGoToSettingsListener(getContext()));
+					builder.setNegativeButton(R.string.cancel,
+							(dialog, which) -> cancel());
+					builder.show();
+				} else {
+					Toast.makeText(getContext(),
+							R.string.permission_camera_denied_toast,
+							LENGTH_LONG).show();
+					cancel();
+				}
+			}
+		}
+	}
+
+	private void requestPermission() {
+		requestPermissions(new String[] {CAMERA}, REQUEST_PERMISSION_CAMERA);
+	}
+
+	@Nullable
+	private ContactLinkExchangeActivity getCastActivity() {
+		return (ContactLinkExchangeActivity) getActivity();
+	}
+
+	private void cancel() {
+		ContactLinkExchangeActivity activity = getCastActivity();
+		if (activity != null) activity.linkScanned(null);
+	}
+
+	@Override
+	public void handleResult(@NonNull Result result) {
+		LOG.info("Scanned link: " + result.getText());
+		ContactLinkExchangeActivity activity = getCastActivity();
+		if (activity != null) activity.linkScanned(result.getText());
+	}
+}

briar-android/src/main/java/org/briarproject/briar/android/contact/ContactQrCodeOutputFragment.java

@@ -0,0 +1,54 @@
+package org.briarproject.briar.android.contact;
+
+import android.graphics.Bitmap;
+import android.os.Bundle;
+import android.support.annotation.NonNull;
+import android.util.DisplayMetrics;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import org.briarproject.briar.R;
+import org.briarproject.briar.android.activity.ActivityComponent;
+import org.briarproject.briar.android.fragment.BaseFragment;
+import org.briarproject.briar.android.view.QrCodeView;
+
+import javax.annotation.Nullable;
+
+import static org.briarproject.briar.android.contact.ContactLinkExchangeActivity.OUR_LINK;
+import static org.briarproject.briar.android.keyagreement.QrCodeUtils.createQrCode;
+
+public class ContactQrCodeOutputFragment extends BaseFragment {
+
+	static final String TAG = ContactQrCodeOutputFragment.class.getName();
+
+	@Override
+	public String getUniqueTag() {
+		return TAG;
+	}
+
+	@Override
+	public void injectFragment(ActivityComponent component) {
+		component.inject(this);
+	}
+
+	@Nullable
+	@Override
+	public View onCreateView(@NonNull LayoutInflater inflater,
+			@Nullable ViewGroup container,
+			@Nullable Bundle savedInstanceState) {
+		if (getActivity() == null) return null;
+
+		getActivity().setTitle(R.string.show_qr_code_title);
+
+		View v = inflater.inflate(R.layout.fragment_contact_qr_code_output,
+				container, false);
+
+		DisplayMetrics dm = getResources().getDisplayMetrics();
+		Bitmap qrCode = createQrCode(dm, OUR_LINK);
+		QrCodeView qrCodeView = v.findViewById(R.id.qrCodeView);
+		qrCodeView.setQrCode(qrCode);
+
+		return v;
+	}
+}

briar-android/src/main/java/org/briarproject/briar/android/contact/PendingRequestsActivity.java

@@ -0,0 +1,122 @@
+package org.briarproject.briar.android.contact;
+
+import android.os.Bundle;
+import android.support.v7.app.ActionBar;
+import android.support.v7.widget.LinearLayoutManager;
+import android.view.MenuItem;
+
+import org.briarproject.bramble.api.contact.Contact;
+import org.briarproject.bramble.api.contact.ContactManager;
+import org.briarproject.bramble.api.contact.event.ContactAddedEvent;
+import org.briarproject.bramble.api.db.DbException;
+import org.briarproject.bramble.api.event.Event;
+import org.briarproject.bramble.api.event.EventBus;
+import org.briarproject.bramble.api.event.EventListener;
+import org.briarproject.briar.R;
+import org.briarproject.briar.android.activity.ActivityComponent;
+import org.briarproject.briar.android.activity.BriarActivity;
+import org.briarproject.briar.android.view.BriarRecyclerView;
+import org.briarproject.briar.api.messaging.MessagingManager;
+import org.briarproject.briar.api.messaging.MessagingManager.PendingContact;
+
+import java.util.Collection;
+
+import javax.annotation.Nullable;
+import javax.inject.Inject;
+
+public class PendingRequestsActivity extends BriarActivity
+		implements EventListener {
+
+	@Inject
+	MessagingManager messagingManager;
+	@Inject
+	ContactManager contactManager;
+	@Inject
+	EventBus eventBus;
+
+	private PendingRequestsAdapter adapter;
+	private BriarRecyclerView list;
+
+	@Override
+	public void injectActivity(ActivityComponent component) {
+		component.inject(this);
+	}
+
+	@Override
+	public void onCreate(@Nullable Bundle state) {
+		super.onCreate(state);
+
+		setContentView(R.layout.list);
+
+		ActionBar ab = getSupportActionBar();
+		if (ab != null) {
+			ab.setDisplayHomeAsUpEnabled(true);
+		}
+
+		adapter = new PendingRequestsAdapter(this, PendingContact.class);
+		list = findViewById(R.id.list);
+		list.setLayoutManager(new LinearLayoutManager(this));
+		list.setAdapter(adapter);
+	}
+
+	@Override
+	public void onStart() {
+		super.onStart();
+		eventBus.addListener(this);
+		runOnDbThread(() -> {
+			try {
+				Collection<PendingContact> contacts =
+						messagingManager.getPendingContacts();
+				addPendingContacts(contacts);
+			} catch (DbException e) {
+				e.printStackTrace();
+			}
+		});
+	}
+
+	@Override
+	protected void onStop() {
+		super.onStop();
+		adapter.clear();
+	}
+
+	@Override
+	public boolean onOptionsItemSelected(MenuItem item) {
+		switch (item.getItemId()) {
+			case android.R.id.home:
+				onBackPressed();
+				return true;
+			default:
+				return super.onOptionsItemSelected(item);
+		}
+	}
+
+	@Override
+	public void eventOccurred(Event e) {
+		if (e instanceof ContactAddedEvent) {
+			runOnDbThread(() -> {
+				try {
+					Contact contact = contactManager
+							.getContact(((ContactAddedEvent) e).getContactId());
+					runOnUiThreadUnlessDestroyed(() -> {
+						adapter.remove(contact);
+						if (adapter.isEmpty()) finish();
+					});
+				} catch (DbException e1) {
+					e1.printStackTrace();
+				}
+			});
+		}
+	}
+
+	private void addPendingContacts(Collection<PendingContact> contacts) {
+		runOnUiThreadUnlessDestroyed(() -> {
+			if (contacts.isEmpty()) {
+				list.showData();
+			} else {
+				adapter.addAll(contacts);
+			}
+		});
+	}
+
+}

briar-android/src/main/java/org/briarproject/briar/android/contact/PendingRequestsAdapter.java

@@ -0,0 +1,67 @@
+package org.briarproject.briar.android.contact;
+
+import android.content.Context;
+import android.support.annotation.NonNull;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import org.briarproject.bramble.api.contact.Contact;
+import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
+import org.briarproject.briar.R;
+import org.briarproject.briar.android.util.BriarAdapter;
+import org.briarproject.briar.api.messaging.MessagingManager.PendingContact;
+
+@NotNullByDefault
+public class PendingRequestsAdapter extends
+		BriarAdapter<PendingContact, PendingRequestsViewHolder> {
+
+	public PendingRequestsAdapter(Context ctx, Class<PendingContact> c) {
+		super(ctx, c);
+	}
+
+	@NonNull
+	@Override
+	public PendingRequestsViewHolder onCreateViewHolder(
+			ViewGroup viewGroup, int i) {
+		View v = LayoutInflater.from(viewGroup.getContext()).inflate(
+				R.layout.list_item_pending_contact, viewGroup, false);
+		return new PendingRequestsViewHolder(v);
+	}
+
+	@Override
+	public void onBindViewHolder(
+			PendingRequestsViewHolder pendingRequestsViewHolder, int i) {
+		pendingRequestsViewHolder.bind(items.get(i));
+	}
+
+	@Override
+	public int compare(PendingContact item1, PendingContact item2) {
+		return (int) (item1.getTimestamp() - item2.getTimestamp());
+	}
+
+	@Override
+	public boolean areContentsTheSame(PendingContact item1,
+			PendingContact item2) {
+		return item1.getName().equals(item2.getName()) &&
+				item1.getTimestamp() == item2.getTimestamp();
+	}
+
+	@Override
+	public boolean areItemsTheSame(PendingContact item1,
+			PendingContact item2) {
+		return item1.getName().equals(item2.getName()) &&
+				item1.getTimestamp() == item2.getTimestamp();
+	}
+
+	// TODO remove
+	public void remove(Contact contact) {
+		for (int i = 0; i < items.size(); i++) {
+			if (items.get(i).getName().equals(contact.getAuthor().getName())) {
+				items.removeItemAt(i);
+				return;
+			}
+		}
+	}
+
+}

briar-android/src/main/java/org/briarproject/briar/android/contact/PendingRequestsViewHolder.java

@@ -0,0 +1,36 @@
+package org.briarproject.briar.android.contact;
+
+import android.support.v7.widget.RecyclerView.ViewHolder;
+import android.view.View;
+import android.widget.TextView;
+
+import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
+import org.briarproject.briar.R;
+import org.briarproject.briar.android.view.TextAvatarView;
+import org.briarproject.briar.api.messaging.MessagingManager.PendingContact;
+
+import static org.briarproject.bramble.util.StringUtils.toUtf8;
+import static org.briarproject.briar.android.util.UiUtils.formatDate;
+
+@NotNullByDefault
+public class PendingRequestsViewHolder extends ViewHolder {
+
+	private final TextAvatarView avatar;
+	private final TextView name;
+	private final TextView time;
+
+	public PendingRequestsViewHolder(View v) {
+		super(v);
+		avatar = v.findViewById(R.id.avatar);
+		name = v.findViewById(R.id.name);
+		time = v.findViewById(R.id.time);
+	}
+
+	public void bind(PendingContact item) {
+		avatar.setText(item.getName());
+		avatar.setBackgroundBytes(toUtf8(item.getName() + item.getTimestamp()));
+		name.setText(item.getName());
+		time.setText(formatDate(time.getContext(), item.getTimestamp()));
+	}
+
+}

briar-android/src/main/java/org/briarproject/briar/android/keyagreement/CameraException.java

@@ -2,7 +2,7 @@ package org.briarproject.briar.android.keyagreement;
 
 import java.io.IOException;
 
-class CameraException extends IOException {
+public class CameraException extends IOException {
 
 	CameraException(String message) {
 		super(message);

briar-android/src/main/java/org/briarproject/briar/android/keyagreement/KeyAgreementActivity.java

@@ -3,6 +3,7 @@ package org.briarproject.briar.android.keyagreement;
 import android.bluetooth.BluetoothAdapter;
 import android.content.BroadcastReceiver;
 import android.content.Context;
+import android.content.DialogInterface.OnClickListener;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.os.Bundle;
@@ -10,15 +11,19 @@ import android.support.annotation.StringRes;
 import android.support.annotation.UiThread;
 import android.support.v4.app.ActivityCompat;
 import android.support.v4.app.FragmentManager;
+import android.support.v4.content.ContextCompat;
 import android.support.v7.app.AlertDialog.Builder;
 import android.support.v7.widget.Toolbar;
 import android.view.MenuItem;
+import android.widget.Toast;
 
 import org.briarproject.bramble.api.event.EventBus;
 import org.briarproject.bramble.api.nullsafety.MethodsNotNullByDefault;
 import org.briarproject.bramble.api.nullsafety.ParametersNotNullByDefault;
 import org.briarproject.bramble.api.plugin.event.BluetoothEnabledEvent;
 import org.briarproject.briar.R;
+import org.briarproject.briar.R.string;
+import org.briarproject.briar.R.style;
 import org.briarproject.briar.android.activity.ActivityComponent;
 import org.briarproject.briar.android.activity.BriarActivity;
 import org.briarproject.briar.android.fragment.BaseFragment;
@@ -32,19 +37,16 @@ import java.util.logging.Logger;
 import javax.annotation.Nullable;
 import javax.inject.Inject;
 
-import static android.Manifest.permission.ACCESS_COARSE_LOCATION;
 import static android.Manifest.permission.CAMERA;
-import static android.bluetooth.BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE;
-import static android.bluetooth.BluetoothAdapter.ACTION_SCAN_MODE_CHANGED;
+import static android.bluetooth.BluetoothAdapter.ACTION_REQUEST_ENABLE;
 import static android.bluetooth.BluetoothAdapter.ACTION_STATE_CHANGED;
-import static android.bluetooth.BluetoothAdapter.EXTRA_SCAN_MODE;
 import static android.bluetooth.BluetoothAdapter.EXTRA_STATE;
-import static android.bluetooth.BluetoothAdapter.SCAN_MODE_CONNECTABLE;
-import static android.bluetooth.BluetoothAdapter.SCAN_MODE_CONNECTABLE_DISCOVERABLE;
 import static android.bluetooth.BluetoothAdapter.STATE_ON;
 import static android.content.pm.PackageManager.PERMISSION_GRANTED;
-import static org.briarproject.briar.android.activity.RequestCodes.REQUEST_BLUETOOTH_DISCOVERABLE;
-import static org.briarproject.briar.android.activity.RequestCodes.REQUEST_PERMISSION_CAMERA_LOCATION;
+import static android.os.Build.VERSION.SDK_INT;
+import static android.widget.Toast.LENGTH_LONG;
+import static org.briarproject.briar.android.activity.RequestCodes.REQUEST_ENABLE_BLUETOOTH;
+import static org.briarproject.briar.android.activity.RequestCodes.REQUEST_PERMISSION_CAMERA;
 
 @MethodsNotNullByDefault
 @ParametersNotNullByDefault
@@ -53,11 +55,7 @@ public abstract class KeyAgreementActivity extends BriarActivity implements
 		KeyAgreementEventListener {
 
 	private enum BluetoothState {
-		UNKNOWN, NO_ADAPTER, WAITING, REFUSED, ENABLED, DISCOVERABLE
-	}
-
-	private enum Permission {
-		UNKNOWN, GRANTED, SHOW_RATIONALE, PERMANENTLY_DENIED
+		UNKNOWN, NO_ADAPTER, WAITING, REFUSED, ENABLED
 	}
 
 	private static final Logger LOG =
@@ -66,27 +64,8 @@ public abstract class KeyAgreementActivity extends BriarActivity implements
 	@Inject
 	EventBus eventBus;
 
-	/**
-	 * Set to true in onPostResume() and false in onPause(). This prevents the
-	 * QR code fragment from being shown if onRequestPermissionsResult() is
-	 * called while the activity is paused, which could cause a crash due to
-	 * https://issuetracker.google.com/issues/37067655.
-	 */
-	private boolean isResumed = false;
-	/**
-	 * Set to true when the continue button is clicked, and false when the QR
-	 * code fragment is shown. This prevents the QR code fragment from being
-	 * shown automatically before the continue button has been clicked.
-	 */
-	private boolean continueClicked = false;
-	/**
-	 * Records whether the Bluetooth adapter was already enabled before we
-	 * asked for Bluetooth discoverability, so we know whether to broadcast a
-	 * {@link BluetoothEnabledEvent}.
-	 */
-	private boolean wasAdapterEnabled = false;
-	private Permission cameraPermission = Permission.UNKNOWN;
-	private Permission locationPermission = Permission.UNKNOWN;
+	private boolean isResumed = false, enableWasRequested = false;
+	private boolean continueClicked, gotCameraPermission;
 	private BluetoothState bluetoothState = BluetoothState.UNKNOWN;
 	private BroadcastReceiver bluetoothReceiver = null;
 
@@ -106,9 +85,7 @@ public abstract class KeyAgreementActivity extends BriarActivity implements
 		if (state == null) {
 			showInitialFragment(IntroFragment.newInstance());
 		}
-		IntentFilter filter = new IntentFilter();
-		filter.addAction(ACTION_STATE_CHANGED);
-		filter.addAction(ACTION_SCAN_MODE_CHANGED);
+		IntentFilter filter = new IntentFilter(ACTION_STATE_CHANGED);
 		bluetoothReceiver = new BluetoothStateReceiver();
 		registerReceiver(bluetoothReceiver, filter);
 	}
@@ -130,40 +107,20 @@ public abstract class KeyAgreementActivity extends BriarActivity implements
 		}
 	}
 
-	@Override
-	public void onStart() {
-		super.onStart();
-		// Permissions may have been granted manually while we were stopped
-		cameraPermission = Permission.UNKNOWN;
-		locationPermission = Permission.UNKNOWN;
-	}
-
 	@Override
 	protected void onPostResume() {
 		super.onPostResume();
 		isResumed = true;
 		// Workaround for
 		// https://code.google.com/p/android/issues/detail?id=190966
-		showQrCodeFragmentIfAllowed();
+		if (canShowQrCodeFragment()) showQrCodeFragment();
 	}
 
-	private void showQrCodeFragmentIfAllowed() {
-		if (isResumed && continueClicked && areEssentialPermissionsGranted()) {
-			if (bluetoothState == BluetoothState.UNKNOWN ||
-					bluetoothState == BluetoothState.ENABLED) {
-				requestBluetoothDiscoverable();
-			} else if (bluetoothState != BluetoothState.WAITING) {
-				showQrCodeFragment();
-			}
-		}
-	}
-
-	private boolean areEssentialPermissionsGranted() {
-		// If the camera permission has been granted, and the location
-		// permission has been granted or permanently denied, we can continue
-		return cameraPermission == Permission.GRANTED &&
-				(locationPermission == Permission.GRANTED ||
-						locationPermission == Permission.PERMANENTLY_DENIED);
+	private boolean canShowQrCodeFragment() {
+		return isResumed && continueClicked
+				&& (SDK_INT < 23 || gotCameraPermission)
+				&& bluetoothState != BluetoothState.UNKNOWN
+				&& bluetoothState != BluetoothState.WAITING;
 	}
 
 	@Override
@@ -175,54 +132,50 @@ public abstract class KeyAgreementActivity extends BriarActivity implements
 	@Override
 	public void showNextScreen() {
 		continueClicked = true;
-		if (checkPermissions()) showQrCodeFragmentIfAllowed();
+		if (checkPermissions()) {
+			if (shouldRequestEnableBluetooth()) requestEnableBluetooth();
+			else if (canShowQrCodeFragment()) showQrCodeFragment();
+		}
 	}
 
-	private void requestBluetoothDiscoverable() {
+	private boolean shouldRequestEnableBluetooth() {
+		return bluetoothState == BluetoothState.UNKNOWN
+				|| bluetoothState == BluetoothState.REFUSED;
+	}
+
+	private void requestEnableBluetooth() {
 		BluetoothAdapter bt = BluetoothAdapter.getDefaultAdapter();
 		if (bt == null) {
 			setBluetoothState(BluetoothState.NO_ADAPTER);
+		} else if (bt.isEnabled()) {
+			setBluetoothState(BluetoothState.ENABLED);
 		} else {
+			enableWasRequested = true;
 			setBluetoothState(BluetoothState.WAITING);
-			wasAdapterEnabled = bt.isEnabled();
-			Intent i = new Intent(ACTION_REQUEST_DISCOVERABLE);
-			startActivityForResult(i, REQUEST_BLUETOOTH_DISCOVERABLE);
+			Intent i = new Intent(ACTION_REQUEST_ENABLE);
+			startActivityForResult(i, REQUEST_ENABLE_BLUETOOTH);
 		}
 	}
 
 	private void setBluetoothState(BluetoothState bluetoothState) {
 		LOG.info("Setting Bluetooth state to " + bluetoothState);
 		this.bluetoothState = bluetoothState;
-		if (!wasAdapterEnabled && bluetoothState == BluetoothState.ENABLED) {
+		if (enableWasRequested && bluetoothState == BluetoothState.ENABLED) {
 			eventBus.broadcast(new BluetoothEnabledEvent());
-			wasAdapterEnabled = true;
+			enableWasRequested = false;
 		}
-		showQrCodeFragmentIfAllowed();
+		if (canShowQrCodeFragment()) showQrCodeFragment();
 	}
 
 	@Override
 	public void onActivityResult(int request, int result, Intent data) {
-		if (request == REQUEST_BLUETOOTH_DISCOVERABLE) {
-			if (result == RESULT_CANCELED) {
-				setBluetoothState(BluetoothState.REFUSED);
-			} else {
-				// If Bluetooth is already discoverable, show the QR code -
-				// otherwise wait for the state or scan mode to change
-				BluetoothAdapter bt = BluetoothAdapter.getDefaultAdapter();
-				if (bt == null) throw new AssertionError();
-				if (bt.getScanMode() == SCAN_MODE_CONNECTABLE_DISCOVERABLE)
-					setBluetoothState(BluetoothState.DISCOVERABLE);
-			}
-		}
+		// If the request was granted we'll catch the state change event
+		if (request == REQUEST_ENABLE_BLUETOOTH && result == RESULT_CANCELED)
+			setBluetoothState(BluetoothState.REFUSED);
 	}
 
 	private void showQrCodeFragment() {
-		// If we return to the intro fragment, the continue button needs to be
-		// clicked again before showing the QR code fragment
 		continueClicked = false;
-		// If we return to the intro fragment, ask for Bluetooth
-		// discoverability again before showing the QR code fragment
-		bluetoothState = BluetoothState.UNKNOWN;
 		// FIXME #824
 		FragmentManager fm = getSupportFragmentManager();
 		if (fm.findFragmentByTag(KeyAgreementFragment.TAG) == null) {
@@ -241,113 +194,74 @@ public abstract class KeyAgreementActivity extends BriarActivity implements
 	}
 
 	private boolean checkPermissions() {
-		if (areEssentialPermissionsGranted()) return true;
-		// If the camera permission has been permanently denied, ask the
-		// user to change the setting
-		if (cameraPermission == Permission.PERMANENTLY_DENIED) {
-			Builder builder = new Builder(this, R.style.BriarDialogTheme);
-			builder.setTitle(R.string.permission_camera_title);
-			builder.setMessage(R.string.permission_camera_denied_body);
-			builder.setPositiveButton(R.string.ok,
-					UiUtils.getGoToSettingsListener(this));
-			builder.setNegativeButton(R.string.cancel,
-					(dialog, which) -> supportFinishAfterTransition());
-			builder.show();
+		if (ContextCompat.checkSelfPermission(this, CAMERA) !=
+				PERMISSION_GRANTED) {
+			// Should we show an explanation?
+			if (ActivityCompat.shouldShowRequestPermissionRationale(this,
+					CAMERA)) {
+				OnClickListener continueListener =
+						(dialog, which) -> requestPermission();
+				Builder builder = new Builder(this, style.BriarDialogTheme);
+				builder.setTitle(string.permission_camera_title);
+				builder.setMessage(string.permission_camera_request_body);
+				builder.setNeutralButton(string.continue_button,
+						continueListener);
+				builder.show();
+			} else {
+				requestPermission();
+			}
+			gotCameraPermission = false;
 			return false;
-		}
-		// Should we show the rationale for one or both permissions?
-		if (cameraPermission == Permission.SHOW_RATIONALE &&
-				locationPermission == Permission.SHOW_RATIONALE) {
-			showRationale(R.string.permission_camera_location_title,
-					R.string.permission_camera_location_request_body);
-		} else if (cameraPermission == Permission.SHOW_RATIONALE) {
-			showRationale(R.string.permission_camera_title,
-					R.string.permission_camera_request_body);
-		} else if (locationPermission == Permission.SHOW_RATIONALE) {
-			showRationale(R.string.permission_location_title,
-					R.string.permission_location_request_body);
 		} else {
-			requestPermissions();
+			gotCameraPermission = true;
+			return true;
 		}
-		return false;
 	}
 
-	private void showRationale(@StringRes int title, @StringRes int body) {
-		Builder builder = new Builder(this, R.style.BriarDialogTheme);
-		builder.setTitle(title);
-		builder.setMessage(body);
-		builder.setNeutralButton(R.string.continue_button,
-				(dialog, which) -> requestPermissions());
-		builder.show();
-	}
-
-	private void requestPermissions() {
-		ActivityCompat.requestPermissions(this,
-				new String[] {CAMERA, ACCESS_COARSE_LOCATION},
-				REQUEST_PERMISSION_CAMERA_LOCATION);
+	private void requestPermission() {
+		ActivityCompat.requestPermissions(this, new String[] {CAMERA},
+				REQUEST_PERMISSION_CAMERA);
 	}
 
 	@Override
 	@UiThread
 	public void onRequestPermissionsResult(int requestCode,
-			String[] permissions, int[] grantResults) {
-		if (requestCode != REQUEST_PERMISSION_CAMERA_LOCATION)
-			throw new AssertionError();
-		if (gotPermission(CAMERA, permissions, grantResults)) {
-			cameraPermission = Permission.GRANTED;
-		} else if (shouldShowRationale(CAMERA)) {
-			cameraPermission = Permission.SHOW_RATIONALE;
-		} else {
-			cameraPermission = Permission.PERMANENTLY_DENIED;
+			String permissions[], int[] grantResults) {
+		if (requestCode == REQUEST_PERMISSION_CAMERA) {
+			// If request is cancelled, the result arrays are empty.
+			if (grantResults.length > 0 &&
+					grantResults[0] == PERMISSION_GRANTED) {
+				gotCameraPermission = true;
+				showNextScreen();
+			} else {
+				if (!ActivityCompat.shouldShowRequestPermissionRationale(this,
+						CAMERA)) {
+					// The user has permanently denied the request
+					OnClickListener cancelListener =
+							(dialog, which) -> supportFinishAfterTransition();
+					Builder builder = new Builder(this, style.BriarDialogTheme);
+					builder.setTitle(string.permission_camera_title);
+					builder.setMessage(string.permission_camera_denied_body);
+					builder.setPositiveButton(string.ok,
+							UiUtils.getGoToSettingsListener(this));
+					builder.setNegativeButton(string.cancel, cancelListener);
+					builder.show();
+				} else {
+					Toast.makeText(this, string.permission_camera_denied_toast,
+							LENGTH_LONG).show();
+					supportFinishAfterTransition();
+				}
+			}
 		}
-		if (gotPermission(ACCESS_COARSE_LOCATION, permissions, grantResults)) {
-			locationPermission = Permission.GRANTED;
-		} else if (shouldShowRationale(ACCESS_COARSE_LOCATION)) {
-			locationPermission = Permission.SHOW_RATIONALE;
-		} else {
-			locationPermission = Permission.PERMANENTLY_DENIED;
-		}
-		// If a permission dialog has been shown, showing the QR code fragment
-		// on this call path would cause a crash due to
-		// https://code.google.com/p/android/issues/detail?id=190966.
-		// In that case the isResumed flag prevents the fragment from being
-		// shown here, and showQrCodeFragmentIfAllowed() will be called again
-		// from onPostResume().
-		if (checkPermissions()) showQrCodeFragmentIfAllowed();
-	}
-
-	private boolean gotPermission(String permission, String[] permissions,
-			int[] grantResults) {
-		for (int i = 0; i < permissions.length; i++) {
-			if (permission.equals(permissions[i]))
-				return grantResults[i] == PERMISSION_GRANTED;
-		}
-		return false;
-	}
-
-	private boolean shouldShowRationale(String permission) {
-		return ActivityCompat.shouldShowRequestPermissionRationale(this,
-				permission);
 	}
 
 	private class BluetoothStateReceiver extends BroadcastReceiver {
 
 		@Override
 		public void onReceive(Context context, Intent intent) {
-			String action = intent.getAction();
-			if (ACTION_STATE_CHANGED.equals(action)) {
-				int state = intent.getIntExtra(EXTRA_STATE, 0);
-				if (state == STATE_ON)
-					setBluetoothState(BluetoothState.ENABLED);
-				else setBluetoothState(BluetoothState.UNKNOWN);
-			} else if (ACTION_SCAN_MODE_CHANGED.equals(action)) {
-				int scanMode = intent.getIntExtra(EXTRA_SCAN_MODE, 0);
-				if (scanMode == SCAN_MODE_CONNECTABLE_DISCOVERABLE)
-					setBluetoothState(BluetoothState.DISCOVERABLE);
-				else if (scanMode == SCAN_MODE_CONNECTABLE)
-					setBluetoothState(BluetoothState.ENABLED);
-				else setBluetoothState(BluetoothState.UNKNOWN);
-			}
+			int state = intent.getIntExtra(EXTRA_STATE, 0);
+			if (state == STATE_ON) setBluetoothState(BluetoothState.ENABLED);
+			else setBluetoothState(BluetoothState.UNKNOWN);
 		}
 	}
 }

briar-android/src/main/java/org/briarproject/briar/android/keyagreement/PreviewConsumer.java

@@ -7,7 +7,7 @@ import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 
 @SuppressWarnings("deprecation")
 @NotNullByDefault
-interface PreviewConsumer {
+public interface PreviewConsumer {
 
 	@UiThread
 	void start(Camera camera, int cameraIndex);

briar-android/src/main/java/org/briarproject/briar/android/keyagreement/QrCodeDecoder.java

@@ -29,7 +29,7 @@ import static java.util.logging.Level.WARNING;
 @SuppressWarnings("deprecation")
 @MethodsNotNullByDefault
 @ParametersNotNullByDefault
-class QrCodeDecoder implements PreviewConsumer, PreviewCallback {
+public class QrCodeDecoder implements PreviewConsumer, PreviewCallback {
 
 	private static final Logger LOG =
 			Logger.getLogger(QrCodeDecoder.class.getName());
@@ -40,7 +40,7 @@ class QrCodeDecoder implements PreviewConsumer, PreviewCallback {
 	private Camera camera = null;
 	private int cameraIndex = 0;
 
-	QrCodeDecoder(ResultCallback callback) {
+	public QrCodeDecoder(ResultCallback callback) {
 		this.callback = callback;
 	}
 
@@ -73,8 +73,7 @@ class QrCodeDecoder implements PreviewConsumer, PreviewCallback {
 				if (data.length == size.width * size.height * 3 / 2) {
 					CameraInfo info = new CameraInfo();
 					Camera.getCameraInfo(cameraIndex, info);
-					new DecoderTask(data, size.width, size.height,
-							info.orientation).execute();
+					new DecoderTask(data, size.width, size.height).execute();
 				} else {
 					// Camera parameters have changed - ask for a new preview
 					LOG.info("Preview size does not match camera parameters");
@@ -91,19 +90,18 @@ class QrCodeDecoder implements PreviewConsumer, PreviewCallback {
 	private class DecoderTask extends AsyncTask<Void, Void, Void> {
 
 		private final byte[] data;
-		private final int width, height, orientation;
+		private final int width;
+		private final int height;
 
-		private DecoderTask(byte[] data, int width, int height,
-				int orientation) {
+		private DecoderTask(byte[] data, int width, int height) {
 			this.data = data;
 			this.width = width;
 			this.height = height;
-			this.orientation = orientation;
 		}
 
 		@Override
 		protected Void doInBackground(Void... params) {
-			BinaryBitmap bitmap = binarize(data, width, height, orientation);
+			BinaryBitmap bitmap = binarize(data, width, height);
 			Result result;
 			try {
 				result = reader.decode(bitmap,
@@ -127,21 +125,14 @@ class QrCodeDecoder implements PreviewConsumer, PreviewCallback {
 		}
 	}
 
-	private static BinaryBitmap binarize(byte[] data, int width, int height,
-			int orientation) {
-		// Crop to a square at the top (portrait) or left (landscape) of the
-		// screen - this will be faster to decode and should include
-		// everything visible in the viewfinder
-		int crop = Math.min(width, height);
-		int left = orientation >= 180 ? width - crop : 0;
-		int top = orientation >= 180 ? height - crop : 0;
+	private static BinaryBitmap binarize(byte[] data, int width, int height) {
 		LuminanceSource src = new PlanarYUVLuminanceSource(data, width,
-				height, left, top, crop, crop, false);
+				height, 0, 0, width, height, false);
 		return new BinaryBitmap(new HybridBinarizer(src));
 	}
 
 	@NotNullByDefault
-	interface ResultCallback {
+	public interface ResultCallback {
 
 		void handleResult(Result result);
 	}

briar-android/src/main/java/org/briarproject/briar/android/keyagreement/QrCodeUtils.java

@@ -21,13 +21,13 @@ import static java.util.logging.Level.WARNING;
 import static org.briarproject.bramble.util.LogUtils.logException;
 
 @NotNullByDefault
-class QrCodeUtils {
+public class QrCodeUtils {
 
 	private static final Logger LOG =
 			Logger.getLogger(QrCodeUtils.class.getName());
 
 	@Nullable
-	static Bitmap createQrCode(DisplayMetrics dm, String input) {
+	public static Bitmap createQrCode(DisplayMetrics dm, String input) {
 		int smallestDimen = Math.min(dm.widthPixels, dm.heightPixels);
 		try {
 			// Generate QR code

briar-android/src/main/java/org/briarproject/briar/android/settings/SettingsFragment.java

@@ -44,7 +44,6 @@ import org.briarproject.briar.android.navdrawer.NavDrawerActivity;
 import org.briarproject.briar.android.util.UiUtils;
 
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.List;
 import java.util.Locale;
 import java.util.logging.Logger;
@@ -211,13 +210,6 @@ public class SettingsFragment extends PreferenceFragmentCompat
 					return true;
 				});
 
-		if (SDK_INT < 27) {
-			// remove System Default Theme option
-			List<CharSequence> entries =
-					new ArrayList<>(Arrays.asList(theme.getEntries()));
-			entries.remove(getString(R.string.pref_theme_system));
-			theme.setEntries(entries.toArray(new CharSequence[0]));
-		}
 		if (IS_DEBUG_BUILD) {
 			findPreference("pref_key_explode").setOnPreferenceClickListener(
 					preference -> {

briar-android/src/main/java/org/briarproject/briar/android/view/BriarRecyclerView.java

@@ -20,12 +20,17 @@ import android.widget.TextView;
 
 import org.briarproject.briar.R;
 
+import java.util.logging.Logger;
+
 import javax.annotation.Nullable;
 
 import static org.briarproject.briar.android.util.UiUtils.MIN_DATE_RESOLUTION;
 
 public class BriarRecyclerView extends FrameLayout {
 
+	private static final Logger LOG =
+			Logger.getLogger(BriarRecyclerView.class.getName());
+
 	private final Handler handler = new Handler(Looper.getMainLooper());
 
 	private RecyclerView recyclerView;
@@ -34,7 +39,6 @@ public class BriarRecyclerView extends FrameLayout {
 	private TextView emptyText, emptyAction;
 	private ProgressBar progressBar;
 	private RecyclerView.AdapterDataObserver emptyObserver;
-	@Nullable
 	private Runnable refresher = null;
 	private boolean isScrollingToEnd = false;
 
@@ -213,15 +217,18 @@ public class BriarRecyclerView extends FrameLayout {
 			throw new IllegalStateException("Need to call setAdapter() first!");
 		}
 		refresher = () -> {
+			LOG.info("Updating Content...");
 			Adapter adapter = recyclerView.getAdapter();
 			adapter.notifyItemRangeChanged(0, adapter.getItemCount());
 			handler.postDelayed(refresher, MIN_DATE_RESOLUTION);
 		};
+		LOG.info("Adding Handler Callback");
 		handler.postDelayed(refresher, MIN_DATE_RESOLUTION);
 	}
 
 	public void stopPeriodicUpdate() {
 		if (refresher != null) {
+			LOG.info("Removing Handler Callback");
 			handler.removeCallbacks(refresher);
 			refresher = null;
 		}

briar-android/src/main/java/org/briarproject/briar/android/view/QrCodeView.java

@@ -39,6 +39,9 @@ public class QrCodeView extends FrameLayout {
                         listener.setFullscreen(fullscreen);
                 }
         );
+
+        // TODO remove
+        fullscreenButton.setVisibility(INVISIBLE);
     }
 
     @UiThread

briar-android/src/main/res/drawable-ldrtl/social_send_now_white.xml

@@ -1,15 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-        android:width="24dp"
-        android:height="24dp"
-        android:viewportHeight="24.0"
-        android:viewportWidth="24.0">
-	<!-- Workaround for toolbar icons failing to apply proper layout direction -->
-	<group
-		android:pivotX="12"
-		android:pivotY="12"
-		android:rotation="180">
-		<path
-			android:fillColor="#FFFFFFFF"
-			android:pathData="M2.01,21L23,12 2.01,3 2,10l15,2 -15,2z"/>
-	</group>
-</vector>

briar-android/src/main/res/drawable/ic_add_nearby.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportHeight="24.0"
+        android:viewportWidth="24.0">
+	<path
+		android:fillColor="#FFFFFFFF"
+		android:pathData="M12,11c-1.1,0 -2,0.9 -2,2s0.9,2 2,2 2,-0.9 2,-2 -0.9,-2 -2,-2zM18,13c0,-3.31 -2.69,-6 -6,-6s-6,2.69 -6,6c0,2.22 1.21,4.15 3,5.19l1,-1.74c-1.19,-0.7 -2,-1.97 -2,-3.45 0,-2.21 1.79,-4 4,-4s4,1.79 4,4c0,1.48 -0.81,2.75 -2,3.45l1,1.74c1.79,-1.04 3,-2.97 3,-5.19zM12,3C6.48,3 2,7.48 2,13c0,3.7 2.01,6.92 4.99,8.65l1,-1.73C5.61,18.53 4,15.96 4,13c0,-4.42 3.58,-8 8,-8s8,3.58 8,8c0,2.96 -1.61,5.53 -4,6.92l1,1.73c2.99,-1.73 5,-4.95 5,-8.65 0,-5.52 -4.48,-10 -10,-10z"/>
+</vector>

briar-android/src/main/res/drawable/ic_content_copy.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:tint="#2A93C6"
+        android:viewportHeight="24.0"
+        android:viewportWidth="24.0">
+	<path
+		android:fillColor="#FF000000"
+		android:pathData="M16,1L4,1c-1.1,0 -2,0.9 -2,2v14h2L4,3h12L16,1zM19,5L8,5c-1.1,0 -2,0.9 -2,2v14c0,1.1 0.9,2 2,2h11c1.1,0 2,-0.9 2,-2L21,7c0,-1.1 -0.9,-2 -2,-2zM19,21L8,21L8,7h11v14z"/>
+</vector>

briar-android/src/main/res/drawable/ic_content_paste.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:tint="#2A93C6"
+        android:viewportHeight="24.0"
+        android:viewportWidth="24.0">
+	<path
+		android:fillColor="#FF000000"
+		android:pathData="M19,2h-4.18C14.4,0.84 13.3,0 12,0c-1.3,0 -2.4,0.84 -2.82,2L5,2c-1.1,0 -2,0.9 -2,2v16c0,1.1 0.9,2 2,2h14c1.1,0 2,-0.9 2,-2L21,4c0,-1.1 -0.9,-2 -2,-2zM12,2c0.55,0 1,0.45 1,1s-0.45,1 -1,1 -1,-0.45 -1,-1 0.45,-1 1,-1zM19,20L5,20L5,4h2v3h10L17,4h2v16z"/>
+</vector>

briar-android/src/main/res/drawable/ic_link.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportHeight="24.0"
+        android:viewportWidth="24.0">
+	<path
+		android:fillColor="#FFFFFFFF"
+		android:pathData="M3.9,12c0,-1.71 1.39,-3.1 3.1,-3.1h4L11,7L7,7c-2.76,0 -5,2.24 -5,5s2.24,5 5,5h4v-1.9L7,15.1c-1.71,0 -3.1,-1.39 -3.1,-3.1zM8,13h8v-2L8,11v2zM17,7h-4v1.9h4c1.71,0 3.1,1.39 3.1,3.1s-1.39,3.1 -3.1,3.1h-4L13,17h4c2.76,0 5,-2.24 5,-5s-2.24,-5 -5,-5z"/>
+</vector>

briar-android/src/main/res/drawable/ic_link_down.xml

@@ -0,0 +1,12 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportHeight="24"
+        android:viewportWidth="24">
+	<path
+		android:fillColor="#FFFFFF"
+		android:pathData="M16,6H13V7.9H16C18.26,7.9 20.1,9.73 20.1,12A4.1,4.1 0,0 1,16 16.1H13V18H16A6,6 0,0 0,22 12C22,8.68 19.31,6 16,6M3.9,12C3.9,9.73 5.74,7.9 8,7.9H11V6H8A6,6 0,0 0,2 12A6,6 0,0 0,8 18H11V16.1H8C5.74,16.1 3.9,14.26 3.9,12M8,13H16V11H8V13Z"/>
+	<path
+		android:fillColor="#FFFFFF"
+		android:pathData="m21.6598,17.4732h-2.2959v3.0612H17.5118l3,3 3,-3h-1.852z"/>
+</vector>

briar-android/src/main/res/drawable/ic_link_up.xml

@@ -0,0 +1,12 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportHeight="24"
+        android:viewportWidth="24">
+	<path
+		android:fillColor="#FFFFFF"
+		android:pathData="M16,6H13V7.9H16C18.26,7.9 20.1,9.73 20.1,12A4.1,4.1 0,0 1,16 16.1H13V18H16A6,6 0,0 0,22 12C22,8.68 19.31,6 16,6M3.9,12C3.9,9.73 5.74,7.9 8,7.9H11V6H8A6,6 0,0 0,2 12A6,6 0,0 0,8 18H11V16.1H8C5.74,16.1 3.9,14.26 3.9,12M8,13H16V11H8V13Z"/>
+	<path
+		android:fillColor="#FFFFFF"
+		android:pathData="M21.6598,23.5344H19.3639V20.4732H17.5118l3,-3 3,3h-1.852z"/>
+</vector>

briar-android/src/main/res/drawable/ic_person.xml

@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24.0" android:viewportWidth="24.0"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#FF000000" android:pathData="M12,12c2.21,0 4,-1.79 4,-4s-1.79,-4 -4,-4 -4,1.79 -4,4 1.79,4 4,4zM12,14c-2.67,0 -8,1.34 -8,4v2h16v-2c0,-2.66 -5.33,-4 -8,-4z"/>
+</vector>

briar-android/src/main/res/drawable/ic_person_add.xml

@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24.0" android:viewportWidth="24.0"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#FF000000" android:pathData="M15,12c2.21,0 4,-1.79 4,-4s-1.79,-4 -4,-4 -4,1.79 -4,4 1.79,4 4,4zM6,10L6,7L4,7v3L1,10v2h3v3h2v-3h3v-2L6,10zM15,14c-2.67,0 -8,1.34 -8,4v2h16v-2c0,-2.66 -5.33,-4 -8,-4z"/>
+</vector>

briar-android/src/main/res/drawable/ic_qr_code.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:tint="#2A93C6"
+        android:viewportHeight="24"
+        android:viewportWidth="24">
+	<path
+		android:fillColor="#FFFFFFFF"
+		android:pathData="M3,11H5V13H3V11M11,5H13V9H11V5M9,11H13V15H11V13H9V11M15,11H17V13H19V11H21V13H19V15H21V19H19V21H17V19H13V21H11V17H15V15H17V13H15V11M19,19V15H17V19H19M15,3H21V9H15V3M17,5V7H19V5H17M3,3H9V9H3V3M5,5V7H7V5H5M3,15H9V21H3V15M5,17V19H7V17H5Z"/>
+</vector>

briar-android/src/main/res/drawable/ic_qr_code_scan.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportHeight="24"
+        android:viewportWidth="24">
+	<path
+		android:fillColor="#FFFFFF"
+		android:pathData="M4,4H10V10H4V4M20,4V10H14V4H20M14,15H16V13H14V11H16V13H18V11H20V13H18V15H20V18H18V20H16V18H13V20H11V16H14V15M16,15V18H18V15H16M4,20V14H10V20H4M6,6V8H8V6H6M16,6V8H18V6H16M6,16V18H8V16H6M4,11H6V13H4V11M9,11H13V15H11V13H9V11M11,6H13V10H11V6M2,2V6H0V2A2,2 0 0,1 2,0H6V2H2M22,0A2,2 0 0,1 24,2V6H22V2H18V0H22M2,18V22H6V24H2A2,2 0 0,1 0,22V18H2M22,22V18H24V22A2,2 0 0,1 22,24H18V22H22Z"/>
+</vector>

briar-android/src/main/res/drawable/social_send_now_white.xml

@@ -1,6 +1,7 @@
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
         android:width="24dp"
         android:height="24dp"
+        android:autoMirrored="true"
         android:viewportHeight="24.0"
         android:viewportWidth="24.0">
 	<path

briar-android/src/main/res/drawable/social_share_blue.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:tint="#2A93C6"
+        android:viewportHeight="24.0"
+        android:viewportWidth="24.0">
+	<path
+		android:fillColor="#FFFFFFFF"
+		android:pathData="M18,16.08c-0.76,0 -1.44,0.3 -1.96,0.77L8.91,12.7c0.05,-0.23 0.09,-0.46 0.09,-0.7s-0.04,-0.47 -0.09,-0.7l7.05,-4.11c0.54,0.5 1.25,0.81 2.04,0.81 1.66,0 3,-1.34 3,-3s-1.34,-3 -3,-3 -3,1.34 -3,3c0,0.24 0.04,0.47 0.09,0.7L8.04,9.81C7.5,9.31 6.79,9 6,9c-1.66,0 -3,1.34 -3,3s1.34,3 3,3c0.79,0 1.5,-0.31 2.04,-0.81l7.12,4.16c-0.05,0.21 -0.08,0.43 -0.08,0.65 0,1.61 1.31,2.92 2.92,2.92 1.61,0 2.92,-1.31 2.92,-2.92s-1.31,-2.92 -2.92,-2.92z"/>
+</vector>

briar-android/src/main/res/layout/fragment_contact_alias_input.xml

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.ConstraintLayout
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:app="http://schemas.android.com/apk/res-auto"
+	xmlns:tools="http://schemas.android.com/tools"
+	android:layout_width="match_parent"
+	android:layout_height="match_parent">
+
+	<EditText
+		android:id="@+id/contactNameInput"
+		android:layout_width="0dp"
+		android:layout_height="wrap_content"
+		android:layout_margin="@dimen/margin_large"
+		android:hint="@string/contact_name_hint"
+		android:importantForAutofill="no"
+		android:inputType="text|textCapWords"
+		app:layout_constraintBottom_toTopOf="@id/linkInput"
+		app:layout_constraintEnd_toEndOf="parent"
+		app:layout_constraintStart_toStartOf="parent"
+		app:layout_constraintTop_toTopOf="parent"
+		app:layout_constraintVertical_chainStyle="packed"/>
+
+	<Button
+		android:id="@+id/addButton"
+		style="@style/BriarButton"
+		android:layout_width="match_parent"
+		android:layout_height="wrap_content"
+		android:layout_margin="@dimen/margin_large"
+		android:layout_marginTop="8dp"
+		android:enabled="false"
+		android:text="@string/add_contact_button"
+		app:layout_constraintEnd_toEndOf="parent"
+		app:layout_constraintStart_toStartOf="parent"
+		app:layout_constraintTop_toBottomOf="@+id/contactNameInput"
+		tools:enabled="true"/>
+
+</android.support.constraint.ConstraintLayout>

briar-android/src/main/res/layout/fragment_contact_link_exchange.xml

@@ -0,0 +1,189 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ScrollView
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:app="http://schemas.android.com/apk/res-auto"
+	xmlns:tools="http://schemas.android.com/tools"
+	android:layout_width="match_parent"
+	android:layout_height="match_parent">
+
+	<android.support.constraint.ConstraintLayout
+		android:layout_width="match_parent"
+		android:layout_height="wrap_content"
+		android:padding="@dimen/margin_large">
+
+		<android.support.design.widget.TextInputLayout
+			android:id="@+id/contactNameLayout"
+			android:layout_width="0dp"
+			android:layout_height="wrap_content"
+			app:errorEnabled="true"
+			app:hintEnabled="false"
+			app:layout_constraintBottom_toTopOf="@+id/addButton"
+			app:layout_constraintEnd_toEndOf="parent"
+			app:layout_constraintStart_toStartOf="parent"
+			app:layout_constraintTop_toBottomOf="@+id/pasteButton">
+
+			<android.support.design.widget.TextInputEditText
+				android:id="@+id/contactNameInput"
+				android:layout_width="match_parent"
+				android:layout_height="match_parent"
+				android:drawableLeft="@drawable/ic_person"
+				android:drawablePadding="8dp"
+				android:drawableStart="@drawable/ic_person"
+				android:drawableTint="?attr/colorControlNormal"
+				android:hint="@string/contact_name_hint"
+				android:importantForAutofill="no"
+				android:inputType="text|textCapWords"/>
+
+		</android.support.design.widget.TextInputLayout>
+
+		<android.support.design.widget.TextInputLayout
+			android:id="@+id/linkInputLayout"
+			android:layout_width="0dp"
+			android:layout_height="wrap_content"
+			android:layout_marginTop="16dp"
+			app:errorEnabled="true"
+			app:hintEnabled="false"
+			app:layout_constraintEnd_toEndOf="parent"
+			app:layout_constraintStart_toStartOf="parent"
+			app:layout_constraintTop_toBottomOf="@+id/copyButton">
+
+			<android.support.design.widget.TextInputEditText
+				android:id="@+id/linkInput"
+				android:layout_width="match_parent"
+				android:layout_height="match_parent"
+				android:drawableLeft="@drawable/ic_link"
+				android:drawablePadding="8dp"
+				android:drawableStart="@drawable/ic_link"
+				android:drawableTint="?attr/colorControlNormal"
+				android:hint="@string/contact_link_hint"
+				android:importantForAutofill="no"
+				android:inputType="textUri"/>
+
+		</android.support.design.widget.TextInputLayout>
+
+		<Button
+			android:id="@+id/pasteButton"
+			style="@style/BriarButtonFlat.Positive.Tiny"
+			android:layout_width="wrap_content"
+			android:layout_height="wrap_content"
+			android:layout_marginLeft="8dp"
+			android:layout_marginStart="8dp"
+			android:drawableLeft="@drawable/ic_content_paste"
+			android:drawablePadding="8dp"
+			android:drawableStart="@drawable/ic_content_paste"
+			android:text="@string/paste_button"
+			app:layout_constraintBottom_toTopOf="@+id/contactNameLayout"
+			app:layout_constraintEnd_toStartOf="@id/scanCodeButton"
+			app:layout_constraintStart_toStartOf="parent"
+			app:layout_constraintTop_toBottomOf="@+id/linkInputLayout"/>
+
+		<Button
+			android:id="@+id/scanCodeButton"
+			style="@style/BriarButtonFlat.Positive.Tiny"
+			android:layout_width="wrap_content"
+			android:layout_height="wrap_content"
+			android:drawableLeft="@drawable/ic_qr_code"
+			android:drawablePadding="8dp"
+			android:drawableStart="@drawable/ic_qr_code"
+			android:text="@string/scan_qr_code_button"
+			android:visibility="visible"
+			app:layout_constraintEnd_toEndOf="parent"
+			app:layout_constraintHorizontal_bias="0.5"
+			app:layout_constraintStart_toEndOf="@id/pasteButton"
+			app:layout_constraintTop_toTopOf="@+id/pasteButton"
+			tools:visibility="visible"/>
+
+		<TextView
+			android:id="@+id/linkIntro"
+			android:layout_width="0dp"
+			android:layout_height="wrap_content"
+			android:gravity="left|start"
+			android:text="@string/send_link_instructions"
+			android:textSize="18sp"
+			app:layout_constraintBottom_toTopOf="@+id/linkView"
+			app:layout_constraintEnd_toEndOf="parent"
+			app:layout_constraintStart_toStartOf="parent"
+			app:layout_constraintTop_toTopOf="parent"
+			app:layout_constraintVertical_chainStyle="packed"/>
+
+		<TextView
+			android:id="@+id/linkView"
+			android:layout_width="0dp"
+			android:layout_height="wrap_content"
+			android:layout_marginTop="16dp"
+			android:background="@color/briar_white"
+			android:padding="8dp"
+			android:textColor="@color/briar_primary"
+			android:textIsSelectable="true"
+			android:textSize="18sp"
+			android:typeface="monospace"
+			app:layout_constraintBottom_toTopOf="@+id/copyButton"
+			app:layout_constraintEnd_toEndOf="parent"
+			app:layout_constraintStart_toStartOf="parent"
+			app:layout_constraintTop_toBottomOf="@+id/linkIntro"
+			tools:text="briar://scnsdflamslkfjgluoblmksdfbwevlewajfdlkjewwhqliafskfjhskdjhvoieiv"
+			/>
+
+		<Button
+			android:id="@+id/copyButton"
+			style="@style/BriarButtonFlat.Positive.Tiny"
+			android:layout_width="wrap_content"
+			android:layout_height="wrap_content"
+			android:layout_marginTop="8dp"
+			android:drawableLeft="@drawable/ic_content_copy"
+			android:drawablePadding="8dp"
+			android:drawableStart="@drawable/ic_content_copy"
+			android:text="@string/copy_button"
+			app:layout_constraintBottom_toTopOf="@+id/linkInputLayout"
+			app:layout_constraintEnd_toStartOf="@id/shareButton"
+			app:layout_constraintStart_toStartOf="parent"
+			app:layout_constraintTop_toBottomOf="@+id/linkView"/>
+
+		<Button
+			android:id="@+id/shareButton"
+			style="@style/BriarButtonFlat.Positive.Tiny"
+			android:layout_width="wrap_content"
+			android:layout_height="wrap_content"
+			android:drawableLeft="@drawable/social_share_blue"
+			android:drawablePadding="8dp"
+			android:drawableStart="@drawable/social_share_blue"
+			android:text="@string/share_button"
+			app:layout_constraintBottom_toBottomOf="@id/copyButton"
+			app:layout_constraintEnd_toStartOf="@id/showCodeButton"
+			app:layout_constraintStart_toEndOf="@id/copyButton"
+			app:layout_constraintTop_toTopOf="@id/copyButton"/>
+
+		<Button
+			android:id="@+id/showCodeButton"
+			style="@style/BriarButtonFlat.Positive.Tiny"
+			android:layout_width="wrap_content"
+			android:layout_height="wrap_content"
+			android:drawableLeft="@drawable/ic_qr_code"
+			android:drawablePadding="8dp"
+			android:drawableStart="@drawable/ic_qr_code"
+			android:drawableTint="@color/briar_button_text_positive"
+			android:text="@string/show_qr_code_button"
+			android:visibility="visible"
+			app:layout_constraintBottom_toBottomOf="@id/copyButton"
+			app:layout_constraintEnd_toEndOf="parent"
+			app:layout_constraintStart_toEndOf="@id/shareButton"
+			app:layout_constraintTop_toTopOf="@id/copyButton"
+			tools:visibility="visible"/>
+
+		<Button
+			android:id="@+id/addButton"
+			style="@style/BriarButton"
+			android:layout_width="match_parent"
+			android:layout_height="wrap_content"
+			android:layout_marginBottom="8dp"
+			android:layout_marginTop="16dp"
+			android:enabled="false"
+			android:text="@string/add_contact_button"
+			app:layout_constraintBottom_toBottomOf="parent"
+			app:layout_constraintEnd_toEndOf="parent"
+			app:layout_constraintStart_toStartOf="parent"
+			app:layout_constraintTop_toBottomOf="@+id/contactNameLayout"
+			tools:enabled="true"/>
+
+	</android.support.constraint.ConstraintLayout>
+</ScrollView>

briar-android/src/main/res/layout/fragment_contact_link_input.xml

@@ -0,0 +1,95 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.ConstraintLayout
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:app="http://schemas.android.com/apk/res-auto"
+	xmlns:tools="http://schemas.android.com/tools"
+	android:layout_width="match_parent"
+	android:layout_height="match_parent">
+
+	<EditText
+		android:id="@+id/contactNameInput"
+		android:layout_width="0dp"
+		android:layout_height="wrap_content"
+		android:layout_margin="@dimen/margin_large"
+		android:drawableLeft="@drawable/ic_person"
+		android:drawablePadding="8dp"
+		android:drawableTint="?attr/colorControlNormal"
+		android:hint="@string/contact_name_hint"
+		android:importantForAutofill="no"
+		android:inputType="text|textCapWords"
+		app:layout_constraintBottom_toTopOf="@id/linkInput"
+		app:layout_constraintEnd_toEndOf="parent"
+		app:layout_constraintStart_toStartOf="parent"
+		app:layout_constraintTop_toTopOf="parent"
+		app:layout_constraintVertical_chainStyle="packed"
+		android:drawableStart="@drawable/ic_person"/>
+
+	<EditText
+		android:id="@+id/linkInput"
+		android:layout_width="0dp"
+		android:layout_height="wrap_content"
+		android:layout_marginEnd="8dp"
+		android:layout_marginLeft="@dimen/margin_large"
+		android:layout_marginRight="8dp"
+		android:layout_marginStart="@dimen/margin_large"
+		android:layout_marginTop="16dp"
+		android:drawableLeft="@drawable/ic_link"
+		android:drawablePadding="8dp"
+		android:drawableTint="?attr/colorControlNormal"
+		android:hint="@string/contact_link_hint"
+		android:importantForAutofill="no"
+		android:inputType="textUri"
+		app:layout_constraintEnd_toEndOf="parent"
+		app:layout_constraintStart_toStartOf="parent"
+		app:layout_constraintTop_toBottomOf="@id/contactNameInput"/>
+
+	<Button
+		android:id="@+id/pasteButton"
+		style="@style/BriarButtonFlat.Positive"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:layout_marginLeft="8dp"
+		android:layout_marginStart="8dp"
+		android:layout_marginTop="8dp"
+		android:drawableLeft="@drawable/ic_content_paste"
+		android:drawablePadding="8dp"
+		android:text="@string/paste_button"
+		app:layout_constraintEnd_toStartOf="@+id/scanCodeButton"
+		app:layout_constraintHorizontal_bias="0.5"
+		app:layout_constraintHorizontal_chainStyle="spread"
+		app:layout_constraintStart_toStartOf="parent"
+		app:layout_constraintTop_toBottomOf="@+id/linkInput"/>
+
+	<Button
+		android:id="@+id/scanCodeButton"
+		style="@style/BriarButtonFlat.Positive"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:layout_marginEnd="8dp"
+		android:layout_marginLeft="8dp"
+		android:layout_marginStart="8dp"
+		android:layout_marginTop="8dp"
+		android:drawableLeft="@drawable/ic_qr_code"
+		android:drawablePadding="8dp"
+		android:text="Scan Code"
+		app:layout_constraintEnd_toEndOf="parent"
+		app:layout_constraintHorizontal_bias="0.5"
+		app:layout_constraintStart_toEndOf="@+id/pasteButton"
+		app:layout_constraintTop_toBottomOf="@+id/linkInput"/>
+
+	<Button
+		android:id="@+id/addButton"
+		style="@style/BriarButton"
+		android:layout_width="match_parent"
+		android:layout_height="wrap_content"
+		android:layout_margin="@dimen/margin_large"
+		android:layout_marginTop="8dp"
+		android:enabled="false"
+		android:text="@string/add_contact_button"
+		app:layout_constraintEnd_toEndOf="parent"
+		app:layout_constraintHorizontal_bias="0.75"
+		app:layout_constraintStart_toStartOf="parent"
+		app:layout_constraintTop_toBottomOf="@+id/pasteButton"
+		tools:enabled="true"/>
+
+</android.support.constraint.ConstraintLayout>

briar-android/src/main/res/layout/fragment_contact_link_output.xml

@@ -0,0 +1,87 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.ConstraintLayout
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:app="http://schemas.android.com/apk/res-auto"
+	xmlns:tools="http://schemas.android.com/tools"
+	android:layout_width="match_parent"
+	android:layout_height="match_parent">
+
+	<TextView
+		android:id="@+id/linkIntro"
+		android:layout_width="0dp"
+		android:layout_height="wrap_content"
+		android:layout_margin="@dimen/margin_large"
+		android:text="@string/send_link_instructions"
+		android:textIsSelectable="true"
+		android:textSize="18sp"
+		app:layout_constraintBottom_toTopOf="@id/linkView"
+		app:layout_constraintEnd_toEndOf="parent"
+		app:layout_constraintStart_toStartOf="parent"
+		app:layout_constraintTop_toTopOf="parent"
+		app:layout_constraintVertical_chainStyle="packed"/>
+
+	<TextView
+		android:id="@+id/linkView"
+		android:layout_width="0dp"
+		android:layout_height="wrap_content"
+		android:layout_marginEnd="@dimen/margin_large"
+		android:layout_marginLeft="@dimen/margin_large"
+		android:layout_marginRight="@dimen/margin_large"
+		android:layout_marginStart="@dimen/margin_large"
+		android:background="@color/briar_white"
+		android:padding="8dp"
+		android:textColor="@color/briar_primary"
+		android:textIsSelectable="true"
+		android:textSize="18sp"
+		android:typeface="monospace"
+		app:layout_constraintBottom_toTopOf="@+id/copyButton"
+		app:layout_constraintEnd_toEndOf="parent"
+		app:layout_constraintStart_toStartOf="parent"
+		app:layout_constraintTop_toBottomOf="@id/linkIntro"
+		tools:text="briar://scnsdflamslkfjgluoblmksdfbwevlewajfdlkjewwhqliafskfjhskdjhvoieiv"/>
+
+	<android.support.v7.widget.AppCompatButton
+		android:id="@+id/copyButton"
+		style="@style/BriarButtonFlat.Positive"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:layout_marginTop="@dimen/margin_large"
+		android:drawableLeft="@drawable/ic_content_copy"
+		android:drawablePadding="8dp"
+		android:text="@string/copy_button"
+		app:layout_constraintEnd_toStartOf="@+id/shareButton"
+		app:layout_constraintHorizontal_bias="0.5"
+		app:layout_constraintHorizontal_chainStyle="spread"
+		app:layout_constraintStart_toStartOf="parent"
+		app:layout_constraintTop_toBottomOf="@+id/linkView"/>
+
+	<Button
+		android:id="@+id/shareButton"
+		style="@style/BriarButtonFlat.Positive"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:drawableLeft="@drawable/social_share_blue"
+		android:drawablePadding="8dp"
+		android:text="@string/share_button"
+		app:layout_constraintBottom_toBottomOf="@id/copyButton"
+		app:layout_constraintEnd_toStartOf="@+id/showCodeButton"
+		app:layout_constraintHorizontal_bias="0.5"
+		app:layout_constraintStart_toEndOf="@+id/copyButton"
+		app:layout_constraintTop_toTopOf="@id/copyButton"/>
+
+	<Button
+		android:id="@+id/showCodeButton"
+		style="@style/BriarButtonFlat.Positive"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:drawableLeft="@drawable/ic_qr_code"
+		android:drawablePadding="8dp"
+		android:drawableTint="@color/briar_button_text_positive"
+		android:text="QR Code"
+		app:layout_constraintBottom_toBottomOf="@+id/copyButton"
+		app:layout_constraintEnd_toEndOf="parent"
+		app:layout_constraintHorizontal_bias="0.5"
+		app:layout_constraintStart_toEndOf="@+id/shareButton"
+		app:layout_constraintTop_toTopOf="@+id/copyButton"/>
+
+</android.support.constraint.ConstraintLayout>

briar-android/src/main/res/layout/fragment_contact_list.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.design.widget.CoordinatorLayout
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:app="http://schemas.android.com/apk/res-auto"
+	android:layout_width="match_parent"
+	android:layout_height="match_parent">
+
+	<org.briarproject.briar.android.view.BriarRecyclerView
+		android:id="@+id/list"
+		android:layout_width="match_parent"
+		android:layout_height="match_parent"
+		app:scrollToEnd="false"/>
+
+	<io.github.kobakei.materialfabspeeddial.FabSpeedDial
+		android:id="@+id/speedDial"
+		android:layout_width="match_parent"
+		android:layout_height="match_parent"
+		app:fab_fabDrawable="@drawable/ic_action_add"
+		app:fab_fabRippleColor="@android:color/transparent"
+		app:fab_menu="@menu/contact_list_actions"
+		app:fab_miniFabTextBackground="@color/briar_accent"
+		app:fab_miniFabTextColor="@android:color/white"/>
+
+</android.support.design.widget.CoordinatorLayout>

briar-android/src/main/res/layout/fragment_contact_qr_code_input.xml

@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.ConstraintLayout
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:app="http://schemas.android.com/apk/res-auto"
+	android:layout_width="match_parent"
+	android:layout_height="match_parent">
+
+	<org.briarproject.briar.android.keyagreement.CameraView
+		android:id="@+id/camera_view"
+		android:layout_width="match_parent"
+		android:layout_height="0dp"
+		app:layout_constraintEnd_toEndOf="parent"
+		app:layout_constraintStart_toStartOf="parent"
+		app:layout_constraintBottom_toTopOf="@+id/textView3"
+		app:layout_constraintTop_toTopOf="parent"/>
+
+	<TextView
+		android:id="@+id/textView3"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:layout_marginEnd="8dp"
+		android:layout_marginLeft="8dp"
+		android:layout_marginRight="8dp"
+		android:layout_marginStart="8dp"
+		android:layout_marginTop="16dp"
+		android:visibility="gone"
+		android:text="or"
+		android:textSize="18sp"
+		app:layout_constraintBottom_toTopOf="@+id/enterLinkButton"
+		app:layout_constraintEnd_toEndOf="parent"
+		app:layout_constraintStart_toStartOf="parent"
+		app:layout_constraintTop_toBottomOf="@+id/camera_view"/>
+
+	<Button
+		android:id="@+id/enterLinkButton"
+		style="@style/BriarButton"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:layout_marginBottom="16dp"
+		android:layout_marginEnd="8dp"
+		android:layout_marginStart="8dp"
+		android:layout_marginTop="16dp"
+		android:drawableLeft="@drawable/ic_link"
+		android:drawablePadding="8dp"
+		android:visibility="gone"
+		android:text="Enter Link"
+		app:layout_constraintBottom_toBottomOf="parent"
+		app:layout_constraintEnd_toEndOf="parent"
+		app:layout_constraintHorizontal_bias="0.5"
+		app:layout_constraintStart_toStartOf="parent"
+		app:layout_constraintTop_toBottomOf="@+id/textView3"/>
+
+</android.support.constraint.ConstraintLayout>

briar-android/src/main/res/layout/fragment_contact_qr_code_output.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	android:layout_width="match_parent"
+	android:layout_height="match_parent">
+
+	<org.briarproject.briar.android.view.QrCodeView
+		android:id="@+id/qrCodeView"
+		android:layout_width="match_parent"
+		android:layout_height="match_parent"
+		android:background="@android:color/white"/>
+
+</FrameLayout>

briar-android/src/main/res/layout/list_item_pending_contact.xml

@@ -0,0 +1,81 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.ConstraintLayout
+	android:id="@+id/linearLayout4"
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:app="http://schemas.android.com/apk/res-auto"
+	xmlns:tools="http://schemas.android.com/tools"
+	android:layout_width="match_parent"
+	android:layout_height="wrap_content">
+
+	<org.briarproject.briar.android.view.TextAvatarView
+		android:id="@+id/avatar"
+		android:layout_width="@dimen/listitem_picture_frame_size"
+		android:layout_height="@dimen/listitem_picture_frame_size"
+		android:layout_marginBottom="8dp"
+		android:layout_marginLeft="@dimen/listitem_horizontal_margin"
+		android:layout_marginStart="@dimen/listitem_horizontal_margin"
+		android:layout_marginTop="8dp"
+		app:layout_constraintBottom_toTopOf="@+id/divider"
+		app:layout_constraintStart_toStartOf="parent"
+		app:layout_constraintTop_toTopOf="parent"/>
+
+	<com.vanniktech.emoji.EmojiTextView
+		android:id="@+id/name"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:layout_marginEnd="@dimen/margin_large"
+		android:layout_marginStart="@dimen/margin_large"
+		android:layout_marginTop="@dimen/margin_large"
+		android:textColor="?android:attr/textColorPrimary"
+		android:textSize="@dimen/text_size_medium"
+		app:layout_constrainedWidth="true"
+		app:layout_constraintBottom_toTopOf="@+id/status"
+		app:layout_constraintEnd_toStartOf="@+id/time"
+		app:layout_constraintHorizontal_bias="0.5"
+		app:layout_constraintHorizontal_chainStyle="spread_inside"
+		app:layout_constraintStart_toEndOf="@+id/avatar"
+		app:layout_constraintTop_toTopOf="parent"
+		app:layout_constraintVertical_chainStyle="packed"
+		tools:text="This is a name of a contact"/>
+
+	<TextView
+		android:id="@+id/status"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:layout_marginBottom="16dp"
+		android:layout_marginEnd="16dp"
+		android:layout_marginRight="16dp"
+		android:layout_marginTop="8dp"
+		android:text="@string/add_contact_remote_connecting"
+		app:layout_constraintBottom_toTopOf="@+id/divider"
+		app:layout_constraintEnd_toStartOf="@+id/time"
+		app:layout_constraintHorizontal_bias="0.0"
+		app:layout_constraintStart_toStartOf="@+id/name"
+		app:layout_constraintTop_toBottomOf="@+id/name"/>
+
+	<TextView
+		android:id="@+id/time"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:layout_margin="@dimen/margin_large"
+		android:layout_marginBottom="8dp"
+		android:layout_marginTop="8dp"
+		android:textColor="?android:attr/textColorSecondary"
+		android:textSize="@dimen/text_size_small"
+		app:layout_constraintBottom_toBottomOf="parent"
+		app:layout_constraintEnd_toEndOf="parent"
+		app:layout_constraintStart_toEndOf="@+id/name"
+		app:layout_constraintTop_toTopOf="parent"
+		tools:text="Dec 24"/>
+
+	<View
+		android:id="@+id/divider"
+		style="@style/Divider.ContactList"
+		android:layout_width="0dp"
+		android:layout_marginLeft="8dp"
+		android:layout_marginStart="8dp"
+		app:layout_constraintBottom_toBottomOf="parent"
+		app:layout_constraintEnd_toEndOf="parent"
+		app:layout_constraintStart_toEndOf="@+id/avatar"/>
+
+</android.support.constraint.ConstraintLayout>

briar-android/src/main/res/menu/contact_list_actions.xml

@@ -4,9 +4,17 @@
 	xmlns:app="http://schemas.android.com/apk/res-auto">
 
 	<item
-		android:id="@+id/action_add_contact"
-		android:icon="@drawable/ic_add_white"
-		android:title="@string/add_contact_title"
-		app:showAsAction="ifRoom"/>
+		android:id="@+id/action_add_contact_nearby"
+		android:icon="@drawable/ic_add_nearby"
+		android:orderInCategory="3"
+		android:title="@string/add_contact_nearby_title"
+		app:showAsAction="never"/>
+
+	<item
+		android:id="@+id/action_add_contact_remotely"
+		android:icon="@drawable/ic_link"
+		android:orderInCategory="2"
+		android:title="@string/add_contact_remotely_title"
+		app:showAsAction="never"/>
 
 </menu>

briar-android/src/main/res/values-ar/strings.xml

@@ -471,6 +471,7 @@
   <string name="permission_camera_title">إذن الكاميرا</string>
   <string name="permission_camera_request_body">للتمكن من مسح رمز QR، يحتاج Briar (براير) إلى إستعمال الكاميرا.</string>
   <string name="permission_camera_denied_body">قد رفضت إعطاء إذن الكاميرا، لكن إضافة جهات إتصال يتطلب إستعمال الكاميرا.\n\nالرجاء منح الإذن.</string>
+  <string name="permission_camera_denied_toast">لم يتم منح الإذن بإستعمال الكاميرا</string>
   <string name="qr_code">رمز QR</string>
   <string name="show_qr_code_fullscreen">اظهار رمز QR بوضع ملء الشاشة</string>
   <!--App Locking-->

briar-android/src/main/res/values-ca/strings.xml

@@ -430,6 +430,7 @@
   <string name="permission_camera_title">Permís de la càmera</string>
   <string name="permission_camera_request_body">Per escanejar el codi QR, Briar necessita accedir a la càmera.</string>
   <string name="permission_camera_denied_body">Heu denegat l\'accés a la càmera però per afegir contactes cal utilitzar la càmera.\n\nRecomanem que permeteu l\'accés a la càmera.</string>
+  <string name="permission_camera_denied_toast">No s\'ha concedit el permís per accedir a la càmera</string>
   <string name="qr_code">Codi QR</string>
   <string name="show_qr_code_fullscreen">Mostra el codi QR a pantalla completa</string>
   <!--App Locking-->

briar-android/src/main/res/values-cs/strings.xml

@@ -403,6 +403,7 @@
   <string name="permission_camera_title">Oprávnění pro přístup k fotoaparátu</string>
   <string name="permission_camera_request_body">Pro scan QR kódu, Briar vyžaduje přístup k fotoaparátu.</string>
   <string name="permission_camera_denied_body">Odmítli jste udělit oprávnění přístupu k fotoaparátu, avšak pro přidání kontaktů je nutné použití fotoaparátu.\n\nZvažte prosím, opětovné udělení přístupu.</string>
+  <string name="permission_camera_denied_toast">Oprávnění pro přístup k fotoaparátu nebylo uděleno</string>
   <string name="qr_code">QR kód</string>
   <string name="show_qr_code_fullscreen">Zobrazit QR kód na celou obrazovku</string>
   <!--App Locking-->

briar-android/src/main/res/values-de/strings.xml

@@ -430,6 +430,7 @@
   <string name="permission_camera_title">Berechtigung Kamera</string>
   <string name="permission_camera_request_body">Um den QR-Code zu scannen, benötigt Briar Zugriff auf die Kamera.</string>
   <string name="permission_camera_denied_body">Du hast den Zugriff auf die Kamera verweigert, aber das Hinzufügen von Kontakten erfordert die Verwendung der Kamera.\n\nBitte gewähre den Zugriff.</string>
+  <string name="permission_camera_denied_toast">Berechtigung für Kamera wurde nicht gewährt</string>
   <string name="qr_code">QR-Code</string>
   <string name="show_qr_code_fullscreen">QR-Code im Vollbildmodus anzeigen</string>
   <!--App Locking-->

briar-android/src/main/res/values-es/strings.xml

@@ -48,7 +48,6 @@
   <string name="download_briar_button">Descargar Briar 1.0</string>
   <string name="startup_open_database">Descifrando la base de datos...</string>
   <string name="startup_migrate_database">Actualizando la base de datos...</string>
-  <string name="startup_compact_database">Compactando base de datos...</string>
   <!--Navigation Drawer-->
   <string name="nav_drawer_open_description">Abre el panel de navegación</string>
   <string name="nav_drawer_close_description">Cierra el panel de navegación</string>
@@ -436,6 +435,7 @@
   <string name="permission_camera_title">Permiso de cámara</string>
   <string name="permission_camera_request_body">Para escanear el código QR, Briar necesita acceso a la cámara.</string>
   <string name="permission_camera_denied_body">Has denegado el acceso a la cámara, pero para añadir contactos se requiere el uso de la cámara.\n\nPor favor considera la posibilidad de conceder el acceso.</string>
+  <string name="permission_camera_denied_toast">No se concedió el permiso de cámara</string>
   <string name="qr_code">Código QR</string>
   <string name="show_qr_code_fullscreen">Mostrar código QR a pantalla completa</string>
   <!--App Locking-->

briar-android/src/main/res/values-eu/strings.xml

@@ -48,7 +48,6 @@
   <string name="download_briar_button">Deskargatu Briar 1.0</string>
   <string name="startup_open_database">Datu-basea deszifratzen...</string>
   <string name="startup_migrate_database">Datu-basea eguneratzen...</string>
-  <string name="startup_compact_database">Datu-basea trinkotzen…</string>
   <!--Navigation Drawer-->
   <string name="nav_drawer_open_description">Ireki nabigazio-tiradera</string>
   <string name="nav_drawer_close_description">Itxi nabigazio-tiradera</string>
@@ -436,6 +435,7 @@
   <string name="permission_camera_title">Kamera erabiltzeko baimena</string>
   <string name="permission_camera_request_body">QR kodea eskaneatzeko Briar-ek kamera atzitu behar du.</string>
   <string name="permission_camera_denied_body">Kamera atzitzeko baimena ukatu duzu, baina kontaktuak gehitzeko kamera erabili behar da.\n\nMesedez baimendu kamera atzitzea.</string>
+  <string name="permission_camera_denied_toast">Ez da kamera erabiltzeko baimenik eman</string>
   <string name="qr_code">QR kodea</string>
   <string name="show_qr_code_fullscreen">Erakutsi QR kodea pantaila osoan</string>
   <!--App Locking-->

briar-android/src/main/res/values-fa/strings.xml

@@ -474,6 +474,7 @@
   <string name="permission_camera_denied_body">شما دسترسی به دوربین را رد کرده اید، اما افزودن مخاطب نیاز به دوربین دارد.
 
 لطفا اجازه دسترسی را بدهید.</string>
+  <string name="permission_camera_denied_toast">اجازه دسترسی به دوربین پذیرفته نشد</string>
   <string name="qr_code">کد QR</string>
   <string name="show_qr_code_fullscreen">نمایش کد QR به صورت فول اسکرین</string>
   <!--App Locking-->

briar-android/src/main/res/values-fi/strings.xml

@@ -430,6 +430,7 @@
   <string name="permission_camera_title">Kameran käyttöoikeus</string>
   <string name="permission_camera_request_body">Skannatakseen QR koodin, Briar tarvitsee luvan käyttää kameraa.</string>
   <string name="permission_camera_denied_body">Olet kieltänyt käyttämästä kameraa, mutta yhteyshenkilöiden lisääminen vaatii kameran käyttöä.\n\nOle hyvä ja harkitse kameraluvan myöntämistä.</string>
+  <string name="permission_camera_denied_toast">Kameran käyttöoikeutta ei myönnetty</string>
   <string name="qr_code">QR-koodi</string>
   <string name="show_qr_code_fullscreen">Näytä QR-koodi koko näytöllä</string>
   <!--App Locking-->

briar-android/src/main/res/values-fr/strings.xml

@@ -132,7 +132,7 @@
   <string name="qr_code_invalid">Le code QR est invalide</string>
   <string name="qr_code_too_old">Le code QR que vous avez lu provient d’une version plus ancienne de %s.\n\nVeuillez demander à votre contact de passer à la version la plus récente, puis ressayez.</string>
   <string name="qr_code_too_new">Le code QR que vous avez lu provient d’une version plus récente de %s.\n\nVeuillez passer à la version la plus récente, puis ressayez.</string>
-  <string name="camera_error">Erreur de l’appareil photo</string>
+  <string name="camera_error">Erreur de la caméra</string>
   <string name="connecting_to_device">Connexion à l’appareil\u2026</string>
   <string name="authenticating_with_device">Autentification avec l’appareil\u2026</string>
   <string name="connection_error_title">Impossible de se connecter à votre contact</string>
@@ -433,13 +433,10 @@
   <string name="screen_filter_body">Une autre appli s’affiche par-dessus Briar. Pour protéger votre sécurité, Briar ne répondra pas au toucher si une autre appli s’affiche par-dessus.\n\nLes applis suivantes pourraient s’afficher par-dessus Briar : \n\n%1$s</string>
   <string name="screen_filter_allow">Permettre à ces applis de s’afficher par-dessus</string>
   <!--Permission Requests-->
-  <string name="permission_camera_title">Accès à l’appareil photo</string>
-  <string name="permission_camera_request_body">Afin de lire le code QR, Briar doit accéder à l’appareil photo.</string>
-  <string name="permission_location_title">Autorisation d’accès à la position</string>
-  <string name="permission_location_request_body">Afin de découvrir des périphériques Bluetooth, Briar doit accéder à votre position.\n\nBriar n’enregistre pas votre position et ne la partage avec personne.</string>
-  <string name="permission_camera_location_title">Appareil photo et position</string>
-  <string name="permission_camera_location_request_body">Afin de lire le code QR, Briar doit accéder à l’appareil photo.\n\nAfin de découvrir des périphériques Bluetooth, Briar doit accéder à votre position.\n\nBriar n’enregistre pas votre position et ne la partage avec personne.</string>
+  <string name="permission_camera_title">Accès à la caméra</string>
+  <string name="permission_camera_request_body">Pour lire le code QR, Briar doit accéder à la caméra.</string>
   <string name="permission_camera_denied_body">Vous avez refusé l’accès à la caméra, mais l’ajout de contacts exige l’utilisation de celle-ci.\n\nVeuillez envisager d’y accorder l’accès.</string>
+  <string name="permission_camera_denied_toast">L’accès à la caméra n’a pas été accordé</string>
   <string name="qr_code">Code QR</string>
   <string name="show_qr_code_fullscreen">Afficher le code QR en plein écran</string>
   <!--App Locking-->

briar-android/src/main/res/values-gl/strings.xml

@@ -436,6 +436,7 @@
   <string name="permission_camera_title">Permiso da cámara</string>
   <string name="permission_camera_request_body">Para escanear códigos QR, Briar precisa acceso a cámara.</string>
   <string name="permission_camera_denied_body">Denegou o permiso de acceso a cámara, pero é necesario para engadir contactos.\n\nPor favor, considere conceder o permiso.</string>
+  <string name="permission_camera_denied_toast">Non concedeu o acceso a cámara</string>
   <string name="qr_code">Código QR</string>
   <string name="show_qr_code_fullscreen">Amosar o código QR a pantalla completa</string>
   <!--App Locking-->

briar-android/src/main/res/values-he/strings.xml

@@ -53,7 +53,6 @@
   <string name="download_briar_button">הורד את Briar 1.0</string>
   <string name="startup_open_database">מפענח מסד נתונים...</string>
   <string name="startup_migrate_database">משדרג מסד נתונים...</string>
-  <string name="startup_compact_database">מכווץ מסד נתונים...</string>
   <!--Navigation Drawer-->
   <string name="nav_drawer_open_description">פתח את מגירת הניווט</string>
   <string name="nav_drawer_close_description">סגור את מגירת הניווט</string>
@@ -318,7 +317,6 @@
   <string name="blogs_remove_blog_ok">הסר</string>
   <string name="blogs_blog_removed">בלוג הוסר</string>
   <string name="blogs_reblog_comment_hint">הוסף תגובה (רשותי)</string>
-  <string name="blogs_reblog_button">פרסם מחדש</string>
   <!--Blog Sharing-->
   <string name="blogs_sharing_share">שתף בלוג</string>
   <string name="blogs_sharing_error">הייתה שגיאה בשיתוף בלוג זה.</string>
@@ -463,12 +461,11 @@
   <string name="progress_title_logout">מתנתק מן Briar...</string>
   <!--Screen Filters & Tapjacking-->
   <string name="screen_filter_title">ציפוי מסך התגלה</string>
-  <string name="screen_filter_body">יישום אחר מציירת מעל Briar. כדי להגן על אבטחתך, Briar לא יגיב לנגיעות כאשר יישום אחר מצייר מעל.\n\nהיישומים הבאים יכולים לצייר מעל:\n\n%1$s</string>
-  <string name="screen_filter_allow">התר ליישומים אלו לצייר מעל</string>
   <!--Permission Requests-->
   <string name="permission_camera_title">הרשאת מצלמה</string>
   <string name="permission_camera_request_body">כדי לסרוק את קוד ה־QR, היישום Briar צריך גישה אל המצלמה.</string>
   <string name="permission_camera_denied_body">דחית גישה אל המצלמה, אבל הוספת אנשי קשר דורשת שימוש במצלמה.\n\nאנא שקול הענקת גישה.</string>
+  <string name="permission_camera_denied_toast">הרשאת מצלמה לא הוענקה</string>
   <string name="qr_code">קוד QR</string>
   <string name="show_qr_code_fullscreen">הראה קוד QR במסך מלא</string>
   <!--App Locking-->

briar-android/src/main/res/values-hi/strings.xml

@@ -430,6 +430,7 @@
   <string name="permission_camera_title">कैमरा अनुमति</string>
   <string name="permission_camera_request_body">QR कोड को स्कैन करने के लिए, Briar को कैमरे तक पहुंच की आवश्यकता है।</string>
   <string name="permission_camera_denied_body">आपने कैमरे तक पहुंच से वंचित किया है, लेकिन संपर्क जोड़ने के लिए कैमरे का उपयोग करने की आवश्यकता है। \ N \ n कृपया पहुंच प्रदान करने पर विचार करें।</string>
+  <string name="permission_camera_denied_toast">कैमरा अनुमति नहीं दी गई थी</string>
   <string name="qr_code">क्यूआर कोड</string>
   <string name="show_qr_code_fullscreen">क्यूआर कोड पूर्णस्क्रीन दिखाएं</string>
   <!--App Locking-->

briar-android/src/main/res/values-hu/strings.xml

@@ -433,6 +433,7 @@ Vigyázat: Ez végleg törli az identitásait, kapcsolatait és üzeneteit</stri
   <string name="permission_camera_title">Kamera jogosultságok</string>
   <string name="permission_camera_request_body">A QR kód olvasáshoz a Briar-nak szüksége van kamera hozzáférésre.</string>
   <string name="permission_camera_denied_body">Megtiltotta hozzáférést a kamerához, de a kapcsolatok hozzáadásához szükséges a kamera.\n\nKérjük gondolja meg a jog megadását.</string>
+  <string name="permission_camera_denied_toast">A kamera jogosultság nincs megadva</string>
   <string name="qr_code">QR kód</string>
   <string name="show_qr_code_fullscreen">A QR kód teljes képernyősen</string>
   <!--App Locking-->

briar-android/src/main/res/values-it/strings.xml

@@ -48,7 +48,6 @@
   <string name="download_briar_button">Scarica Briar 1.0</string>
   <string name="startup_open_database">Decrittazione database...</string>
   <string name="startup_migrate_database">Aggiornamento database...</string>
-  <string name="startup_compact_database">Compattazione database…</string>
   <!--Navigation Drawer-->
   <string name="nav_drawer_open_description">Apri la barra di navigazione</string>
   <string name="nav_drawer_close_description">Chiudi la barra di navigazione</string>
@@ -436,6 +435,7 @@
   <string name="permission_camera_title">Autorizzazione fotocamera</string>
   <string name="permission_camera_request_body">Per scansionare il codice QR, Briar deve accedere alla fotocamera.</string>
   <string name="permission_camera_denied_body">Hai negato l\'accesso alla fotocamera, ma questa serve per aggiungere i contatti.\n\nConsidera la possibilità di concedere l\'accesso.</string>
+  <string name="permission_camera_denied_toast">Autorizzazione fotocamera non concessa</string>
   <string name="qr_code">Codice QR</string>
   <string name="show_qr_code_fullscreen">Mostra codice QR a tutto schermo</string>
   <!--App Locking-->

briar-android/src/main/res/values-nl/strings.xml

@@ -430,6 +430,7 @@
   <string name="permission_camera_title">Cameratoestemming</string>
   <string name="permission_camera_request_body">Om de QR-code te scannen moet Briar toegang hebben tot de camera.</string>
   <string name="permission_camera_denied_body">Je hebt toegang tot de camera niet vrijgegeven, terwijl het toevoegen van contacten de camera nodig heeft.\n\nOverweeg alsjeblieft toegang vrij te geven.</string>
+  <string name="permission_camera_denied_toast">Cameratoegang niet vrijgegeven</string>
   <string name="qr_code">QR-code</string>
   <string name="show_qr_code_fullscreen">Toon QR-code op volledig scherm</string>
   <!--App Locking-->

briar-android/src/main/res/values-oc/strings.xml

@@ -440,6 +440,7 @@ contactes qu’avètz partejat aqueste flux quitaràn benlèu de recebre las mes
   <string name="permission_camera_title">Permission de la camèra</string>
   <string name="permission_camera_request_body">Per numerizar lo còdi QR cal que Briar aja l’accès a la camèra.</string>
   <string name="permission_camera_denied_body">Avètz regetat l’accès a la camèra, mas per ajustar de contacte cal utilizar la camèra.\n\n Mercés de li donar l’accès</string>
+  <string name="permission_camera_denied_toast">La permission a la camèra es pas estada donada</string>
   <string name="qr_code">Còdi QR</string>
   <string name="show_qr_code_fullscreen">Mostrar lo còdi QR en ecran complèt</string>
   <!--App Locking-->

briar-android/src/main/res/values-pl/strings.xml

@@ -450,6 +450,7 @@
   <string name="permission_camera_title">Dostęp do aparatu</string>
   <string name="permission_camera_request_body">Aby zeskanować kod QR, Briar potrzebuje mieć dostęp do aparatu.</string>
   <string name="permission_camera_denied_body">Odmówiłeś dostępu do kamery, lecz dodawanie kontaktów tego wymaga.\n\nProszę udzielić dostępu.</string>
+  <string name="permission_camera_denied_toast">Dostęp do aparatu nie został przyznany</string>
   <string name="qr_code">Kod QR</string>
   <string name="show_qr_code_fullscreen">Pokaż QR na pełnym ekranie</string>
   <!--App Locking-->

briar-android/src/main/res/values-pt-rBR/strings.xml

@@ -430,6 +430,7 @@
   <string name="permission_camera_title">Permissão da câmera</string>
   <string name="permission_camera_request_body">O Briar precisa acessar a câmera para pode escanear o código QR.</string>
   <string name="permission_camera_denied_body">Você negou acesso à câmera, mas para adicionar contatos você precisa da câmera.\n\nPor favor, pense em liberar o acesso a ela.</string>
+  <string name="permission_camera_denied_toast">A permissão da câmera não foi concedida</string>
   <string name="qr_code">Código QR</string>
   <string name="show_qr_code_fullscreen">Mostrar o código QR na tela cheia</string>
   <!--App Locking-->

briar-android/src/main/res/values-ro/strings.xml

@@ -446,6 +446,7 @@
   <string name="permission_camera_title">Permisiune de acces la camera foto</string>
   <string name="permission_camera_request_body">Pentru a scana codul QR, Briar are nevoie să acceseze camera foto.</string>
   <string name="permission_camera_denied_body">Ați refuzat accesul la camera foto, dar pentru a adăuga contacte este necesară folosirea camerei foto.\n\nVă rugăm să luați în considerare acordarea accesului.</string>
+  <string name="permission_camera_denied_toast">Permisiunea de acces la camera foto nu a fost acordată</string>
   <string name="qr_code">Cod QR</string>
   <string name="show_qr_code_fullscreen">Arată codul QR pe tot ecranul</string>
   <!--App Locking-->

briar-android/src/main/res/values-ru/strings.xml

@@ -452,6 +452,7 @@
   <string name="permission_camera_title">Доступ к камере</string>
   <string name="permission_camera_request_body">Для сканирования QR-кода Briar необходим доступ к камере.</string>
   <string name="permission_camera_denied_body">Вы отказали в доступе к камере. Для добавления контактов необходимо использовать камеру.\n\nРассмотрите возможность предоставления доступа.</string>
+  <string name="permission_camera_denied_toast">Доступ к камере предоставлен не был</string>
   <string name="qr_code">QR-код</string>
   <string name="show_qr_code_fullscreen">Показать QR-код во весь экран</string>
   <!--App Locking-->

briar-android/src/main/res/values-sq/strings.xml

@@ -436,6 +436,7 @@
   <string name="permission_camera_title">Leje mbi kamerën</string>
   <string name="permission_camera_request_body">Që të skanojë kodin QR, Briar-i lypset të hyjë te kamera.</string>
   <string name="permission_camera_denied_body">Keni mohuar hyrjen në kamera, por shtimi i kontakteve lyp përdorimin e kamerës.\n\nJu lutemi, shihni mundësinë e akordimit të hyrjes.</string>
+  <string name="permission_camera_denied_toast">S\’u akorduan leje mbi kamerën</string>
   <string name="qr_code">Kod QR</string>
   <string name="show_qr_code_fullscreen">Shfaqe kodin QR sa tërë ekrani</string>
   <!--App Locking-->

briar-android/src/main/res/values-sr/strings.xml

@@ -466,6 +466,7 @@ Slijedeće aplikacije mogu precrtavati preko:
   <string name="permission_camera_denied_body">Uskratili ste pristup kameri, ali dodavanje kontakata zahtijeva pristup kameri.
 
 Molim vas da uzmete u obzir odobravanja pristupa.</string>
+  <string name="permission_camera_denied_toast">Dozvola kameri nije odobrena</string>
   <string name="qr_code">QR kod</string>
   <string name="show_qr_code_fullscreen">Prikazi QR kod na puni ekran</string>
   <!--App Locking-->

briar-android/src/main/res/values-zh-rCN/strings.xml

@@ -420,6 +420,7 @@
   <string name="permission_camera_title">相机权限</string>
   <string name="permission_camera_request_body">Briar 需要获得相机权限以扫描二维码。</string>
   <string name="permission_camera_denied_body">您已拒绝相机权限，而添加联系人需要使用相机。\n\n请考虑授予相机权限。</string>
+  <string name="permission_camera_denied_toast">未授予相机权限</string>
   <string name="qr_code">二维码</string>
   <string name="show_qr_code_fullscreen">全屏显示二维码</string>
   <!--App Locking-->

briar-android/src/main/res/values/arrays.xml

@@ -63,10 +63,10 @@
 		<item>@string/pref_theme_auto</item>
 		<item>@string/pref_theme_system</item>
 	</string-array>
-	<string name="pref_theme_light_value" translatable="false">light</string>
-	<string name="pref_theme_dark_value" translatable="false">dark</string>
-	<string name="pref_theme_auto_value" translatable="false">auto</string>
-	<string name="pref_theme_system_value" translatable="false">system</string>
+	<string name="pref_theme_light_value">light</string>
+	<string name="pref_theme_dark_value">dark</string>
+	<string name="pref_theme_auto_value">auto</string>
+	<string name="pref_theme_system_value">system</string>
 	<string-array name="pref_theme_values">
 		<item>@string/pref_theme_light_value</item>
 		<item>@string/pref_theme_dark_value</item>
@@ -82,8 +82,8 @@
 		<item>@string/pref_lock_timeout_30</item>
 		<item>@string/pref_lock_timeout_60</item>
 	</string-array>
-	<string name="pref_lock_timeout_value_default" translatable="false">5</string>
-	<string name="pref_lock_timeout_value_never" translatable="false">-1</string>
+	<string name="pref_lock_timeout_value_default">5</string>
+	<string name="pref_lock_timeout_value_never">-1</string>
 	<string-array name="pref_key_lock_timeout_values">
 		<item>@string/pref_lock_timeout_value_never</item>
 		<item>1</item>

briar-android/src/main/res/values/strings.xml

@@ -151,6 +151,26 @@
 	<string name="connection_error_explanation">Please check that you\'re both connected to the same Wi-Fi network.</string>
 	<string name="connection_error_feedback">If this problem persists, please <a href="feedback">send feedback</a> to help us improve the app.</string>
 
+	<string name="add_contact_nearby_title">Add Contact Nearby</string>
+	<string name="add_contact_remotely_title">Add Contact with Link</string>
+	<string name="contact_name_hint">Give contact a nickname</string>
+	<string name="contact_link_hint">Your contact\'s link</string>
+	<string name="paste_button">Paste</string>
+	<string name="scan_qr_code_button">Scan Code</string>
+	<string name="add_contact_button">Add Contact</string>
+	<string name="copy_button">Copy</string>
+	<string name="share_button">Share</string>
+	<string name="show_qr_code_button">QR Code</string>
+	<string name="send_link_instructions">Give this link to your contact:</string>
+	<string name="link_clip_label">Briar link</string>
+	<string name="link_copied_toast">Link copied</string>
+	<string name="pending_contact_requests_snackbar">"There are pending contact requests"</string>
+	<string name="pending_contact_requests">Pending contact requests</string>
+	<string name="add_contact_remote_connecting">Connecting…</string>
+	<string name="scan_qr_code_title">Scan QR Code</string>
+	<string name="show_qr_code_title">Your QR Code</string>
+	<string name="camera_error_toast">Camera Error</string>
+
 	<!-- Introductions -->
 	<string name="introduction_onboarding_title">Introduce your contacts</string>
 	<string name="introduction_onboarding_text">You can introduce your contacts to each other, so they don\'t need to meet in person to connect on Briar.</string>
@@ -468,11 +488,8 @@
 	<!-- Permission Requests -->
 	<string name="permission_camera_title">Camera permission</string>
 	<string name="permission_camera_request_body">To scan the QR code, Briar needs access to the camera.</string>
-	<string name="permission_location_title">Location permission</string>
-	<string name="permission_location_request_body">To discover Bluetooth devices, Briar needs permission to access your location.\n\nBriar does not store your location or share it with anyone.</string>
-	<string name="permission_camera_location_title">Camera and location</string>
-	<string name="permission_camera_location_request_body">To scan the QR code, Briar needs access to the camera.\n\nTo discover Bluetooth devices, Briar needs permission to access your location.\n\nBriar does not store your location or share it with anyone.</string>
 	<string name="permission_camera_denied_body">You have denied access to the camera, but adding contacts requires using the camera.\n\nPlease consider granting access.</string>
+	<string name="permission_camera_denied_toast">Camera permission was not granted</string>
 	<string name="qr_code">QR code</string>
 	<string name="show_qr_code_fullscreen">Show QR code fullscreen</string>
 

briar-android/witness.gradle

@@ -81,6 +81,7 @@ dependencyVerification {
         'com.android.tools:repository:26.2.1:repository-26.2.1.jar:fa74dae09103faef703df38550ad8fa244c5b6d1bf90d6198be932292b3d9cc1',
         'com.android.tools:sdk-common:26.2.1:sdk-common-26.2.1.jar:759d4b292ca69a35cf961fca377b54158fc6c88108978006999442e80a011cf4',
         'com.android.tools:sdklib:26.2.1:sdklib-26.2.1.jar:248df7ad5eac4aeb6f96c394c76760de4b7b89ac056e54d0c21a739368b91b45',
+        'com.github.kobakei:MaterialFabSpeedDial:1.2.0:MaterialFabSpeedDial-1.2.0.aar:fda1784d6f213e22079d5c1e9ea53e3e6eb4f908297ccfe6dea588c57aafc800',
         'com.google.android.apps.common.testing.accessibility.framework:accessibility-test-framework:2.0:accessibility-test-framework-2.0.jar:cdf16ef8f5b8023d003ce3cc1b0d51bda737762e2dab2fedf43d1c4292353f7f',
         'com.google.android.apps.common.testing.accessibility.framework:accessibility-test-framework:2.1:accessibility-test-framework-2.1.jar:7b0aa6ed7553597ce0610684a9f7eca8021eee218f2e2f427c04a7fbf5f920bd',
         'com.google.code.findbugs:jsr305:1.3.9:jsr305-1.3.9.jar:905721a0eea90a81534abb7ee6ef4ea2e5e645fa1def0a5cd88402df1b46c9ed',
@@ -191,6 +192,7 @@ dependencyVerification {
         'org.robolectric:shadows-framework:3.8:shadows-framework-3.8.jar:83548db7249edf1af87e1a1f4d8f4eec3e85d6220161da601e6f6398476911b2',
         'org.robolectric:shadows-support-v4:3.3.2:shadows-support-v4-3.3.2.jar:6f689264738266e70fe08db7c04b7b5a75155994f4e3f7f311960d90486bf005',
         'org.robolectric:utils:3.8:utils-3.8.jar:e945d04d40e37554e02d4be1bc3abf9bede45375c843aa36d10ccb6b63edbf34',
+        'tools.fastlane:screengrab:1.1.0:screengrab-1.1.0.aar:03ce3868ee8a0082d14e7a1de0999f91531c0cc794392688beb08ee9bc4495fd',
         'tools.fastlane:screengrab:1.2.0:screengrab-1.2.0.aar:af4ee23bb06f94404d3ab18e2ea69db8265539fc8da29f9ee45b7e472684ba83',
         'uk.co.samuelwall:material-tap-target-prompt:2.12.4:material-tap-target-prompt-2.12.4.aar:6c0990ab3aa22de9f7d09dcb0a944e671128c31634ac8429012faa5c508202fb',
         'xmlpull:xmlpull:1.1.3.1:xmlpull-1.1.3.1.jar:34e08ee62116071cbb69c0ed70d15a7a5b208d62798c59f2120bb8929324cb63',

briar-api/src/main/java/org/briarproject/briar/api/messaging/MessagingManager.java

@@ -8,9 +8,31 @@ import org.briarproject.bramble.api.sync.GroupId;
 import org.briarproject.bramble.api.sync.MessageId;
 import org.briarproject.briar.api.messaging.ConversationManager.ConversationClient;
 
+import java.util.Collection;
+
 @NotNullByDefault
 public interface MessagingManager extends ConversationClient {
 
+	// TODO remove (only for prototype)
+	void addNewPendingContact(String name, long timestamp) throws DbException;
+	void removePendingContact(String name, long timestamp) throws DbException;
+	Collection<PendingContact> getPendingContacts() throws DbException;
+	class PendingContact {
+		private final String name;
+		private final long timestamp;
+		public PendingContact(String name, long timestamp) {
+			this.name = name;
+			this.timestamp = timestamp;
+		}
+		public String getName() {
+			return name;
+		}
+		public long getTimestamp() {
+			return timestamp;
+		}
+	}
+
+
 	/**
 	 * The unique ID of the messaging client.
 	 */

briar-core/src/main/java/org/briarproject/briar/messaging/MessagingManagerImpl.java

@@ -5,13 +5,19 @@ import org.briarproject.bramble.api.client.ClientHelper;
 import org.briarproject.bramble.api.client.ContactGroupFactory;
 import org.briarproject.bramble.api.contact.Contact;
 import org.briarproject.bramble.api.contact.ContactId;
+import org.briarproject.bramble.api.contact.ContactManager;
 import org.briarproject.bramble.api.contact.ContactManager.ContactHook;
 import org.briarproject.bramble.api.data.BdfDictionary;
+import org.briarproject.bramble.api.data.BdfEntry;
 import org.briarproject.bramble.api.data.BdfList;
 import org.briarproject.bramble.api.data.MetadataParser;
 import org.briarproject.bramble.api.db.DatabaseComponent;
 import org.briarproject.bramble.api.db.DbException;
 import org.briarproject.bramble.api.db.Transaction;
+import org.briarproject.bramble.api.identity.Author;
+import org.briarproject.bramble.api.identity.AuthorFactory;
+import org.briarproject.bramble.api.identity.AuthorId;
+import org.briarproject.bramble.api.identity.IdentityManager;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import org.briarproject.bramble.api.sync.Client;
 import org.briarproject.bramble.api.sync.Group;
@@ -23,6 +29,7 @@ import org.briarproject.bramble.api.sync.MessageStatus;
 import org.briarproject.bramble.api.versioning.ClientVersioningManager;
 import org.briarproject.bramble.api.versioning.ClientVersioningManager.ClientVersioningHook;
 import org.briarproject.briar.api.client.MessageTracker;
+import org.briarproject.briar.api.introduction.event.IntroductionSucceededEvent;
 import org.briarproject.briar.api.messaging.MessagingManager;
 import org.briarproject.briar.api.messaging.PrivateMessage;
 import org.briarproject.briar.api.messaging.PrivateMessageHeader;
@@ -31,11 +38,13 @@ import org.briarproject.briar.client.ConversationClientImpl;
 
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.List;
 import java.util.Map;
 
 import javax.annotation.concurrent.Immutable;
 import javax.inject.Inject;
 
+import static org.briarproject.bramble.api.identity.AuthorConstants.MAX_PUBLIC_KEY_LENGTH;
 import static org.briarproject.briar.client.MessageTrackerConstants.MSG_KEY_READ;
 
 @Immutable
@@ -46,14 +55,114 @@ class MessagingManagerImpl extends ConversationClientImpl
 	private final ClientVersioningManager clientVersioningManager;
 	private final ContactGroupFactory contactGroupFactory;
 
+	// TODO remove
+	private final ContactManager contactManager;
+	private final IdentityManager identityManager;
+	private final AuthorFactory authorFactory;
+
 	@Inject
 	MessagingManagerImpl(DatabaseComponent db, ClientHelper clientHelper,
 			ClientVersioningManager clientVersioningManager,
 			MetadataParser metadataParser, MessageTracker messageTracker,
-			ContactGroupFactory contactGroupFactory) {
+			ContactGroupFactory contactGroupFactory,
+			ContactManager contactManager, IdentityManager identityManager,
+			AuthorFactory authorFactory) {
 		super(db, clientHelper, metadataParser, messageTracker);
 		this.clientVersioningManager = clientVersioningManager;
 		this.contactGroupFactory = contactGroupFactory;
+
+		// TODO remove
+		this.contactManager = contactManager;
+		this.identityManager = identityManager;
+		this.authorFactory = authorFactory;
+	}
+
+	private static final String PENDING_CONTACTS = "PENDING_CONTACTS";
+	@Override
+	public void addNewPendingContact(String name, long timestamp)
+			throws DbException {
+		Transaction txn = db.startTransaction(false);
+		try {
+			BdfList list = getPendingContacts(txn);
+			BdfDictionary contact = new BdfDictionary();
+			contact.put("name", name);
+			contact.put("timestamp", timestamp);
+			list.add(contact);
+
+			Group localGroup = contactGroupFactory.createLocalGroup(CLIENT_ID,
+					MAJOR_VERSION);
+			BdfDictionary meta =
+					BdfDictionary.of(new BdfEntry(PENDING_CONTACTS, list));
+			clientHelper.mergeGroupMetadata(txn, localGroup.getId(), meta);
+
+			db.commitTransaction(txn);
+		} catch (FormatException e) {
+			throw new RuntimeException(e);
+		} finally {
+			db.endTransaction(txn);
+		}
+	}
+	@Override
+	public void removePendingContact(String name, long timestamp) throws DbException {
+		Transaction txn = db.startTransaction(false);
+		try {
+			BdfList list = getPendingContacts(txn);
+
+			BdfDictionary contactDict = new BdfDictionary();
+			contactDict.put("name", name);
+			contactDict.put("timestamp", timestamp);
+			list.remove(contactDict);
+
+			Group localGroup = contactGroupFactory.createLocalGroup(CLIENT_ID,
+					MAJOR_VERSION);
+			BdfDictionary meta =
+					BdfDictionary.of(new BdfEntry(PENDING_CONTACTS, list));
+			clientHelper.mergeGroupMetadata(txn, localGroup.getId(), meta);
+
+			AuthorId local = identityManager.getLocalAuthor(txn).getId();
+			Author remote = authorFactory
+					.createAuthor(name, new byte[MAX_PUBLIC_KEY_LENGTH]);
+			contactManager.addContact(txn, remote, local, false, true);
+
+			Contact contact =
+					contactManager.getContact(txn, remote.getId(), local);
+			IntroductionSucceededEvent event =
+					new IntroductionSucceededEvent(contact);
+			txn.attach(event);
+
+			db.commitTransaction(txn);
+		} catch (FormatException e) {
+			throw new RuntimeException(e);
+		} finally {
+			db.endTransaction(txn);
+		}
+	}
+	@Override
+	public Collection<PendingContact> getPendingContacts() throws DbException {
+		Transaction txn = db.startTransaction(true);
+		try {
+			BdfList list = getPendingContacts(txn);
+			List<PendingContact> contacts = new ArrayList<>(list.size());
+			for (Object o : list) {
+				BdfDictionary d = (BdfDictionary) o;
+				contacts.add(new PendingContact(d.getString("name"),
+						d.getLong("timestamp")));
+			}
+			db.commitTransaction(txn);
+			return contacts;
+		} catch (FormatException e) {
+			throw new RuntimeException(e);
+		} finally {
+			db.endTransaction(txn);
+		}
+	}
+	private BdfList getPendingContacts(Transaction txn)
+			throws DbException, FormatException {
+		Group localGroup = contactGroupFactory.createLocalGroup(CLIENT_ID,
+				MAJOR_VERSION);
+		BdfDictionary d = clientHelper
+				.getGroupMetadataAsDictionary(txn, localGroup.getId());
+		return d.getList(PENDING_CONTACTS, new BdfList());
 	}
 
 	@Override

briar-headless/README.md

@@ -72,16 +72,9 @@ Returns a JSON array of contacts:
 The only workaround is to add a contact to the Briar app running on a rooted Android phone
 and then move its database (and key files) to the headless peer.
 
-### Removing a contact
-
-`DELETE /v1/contacts/{contactId}`
-
-The `{contactId}` is the `contactId` of the contact (`1` in the example above).
-It returns with a status code `200`, if removal was successful.
-
 ### Listing all private messages
 
-`GET /v1/messages/{contactId}`
+`GET /messages/{contactId}`
 
 The `{contactId}` is the `contactId` of the contact (`1` in the example above).
 It returns a JSON array of private messages:
@@ -107,7 +100,7 @@ Attention: There can messages of other `type`s where the message `text` is `null
 
 ### Writing a private message
 
-`POST /v1/messages/{contactId}`
+`POST /messages/{contactId}`
 
 The text of the message should be posted as JSON:
 

briar-headless/build.gradle

@@ -1,8 +1,8 @@
 plugins {
 	id 'java'
 	id 'idea'
-	id 'org.jetbrains.kotlin.jvm' version '1.2.71'
-	id 'org.jetbrains.kotlin.kapt' version '1.2.71'
+	id 'org.jetbrains.kotlin.jvm' version '1.2.70'
+	id 'org.jetbrains.kotlin.kapt' version '1.2.70'
 	id 'witness'
 }
 apply from: 'witness.gradle'
@@ -14,9 +14,9 @@ dependencies {
 	implementation project(path: ':briar-core', configuration: 'default')
 	implementation project(path: ':bramble-java', configuration: 'default')
 
-	implementation 'io.javalin:javalin:2.3.0'
+	implementation 'io.javalin:javalin:2.2.0'
 	implementation 'org.slf4j:slf4j-simple:1.7.25'
-	implementation 'com.fasterxml.jackson.core:jackson-databind:2.9.7'
+	implementation 'com.fasterxml.jackson.core:jackson-databind:2.9.6'
 	implementation 'com.github.ajalt:clikt:1.5.0'
 
 	kapt 'com.google.dagger:dagger-compiler:2.0.2'
@@ -24,11 +24,11 @@ dependencies {
 	testImplementation project(path: ':bramble-api', configuration: 'testOutput')
 	testImplementation project(path: ':bramble-core', configuration: 'testOutput')
 
-	def junitVersion = '5.3.1'
+	def junitVersion = '5.2.0'
 	testImplementation "org.junit.jupiter:junit-jupiter-api:$junitVersion"
 	testImplementation "org.junit.jupiter:junit-jupiter-params:$junitVersion"
 	testRuntime "org.junit.jupiter:junit-jupiter-engine:$junitVersion"
-	testImplementation "io.mockk:mockk:1.8.9"
+	testImplementation "io.mockk:mockk:1.8.6"
 	testImplementation "org.skyscreamer:jsonassert:1.5.0"
 }
 

briar-headless/src/main/java/org/briarproject/briar/headless/Router.kt

@@ -7,11 +7,9 @@ import io.javalin.Context
 import io.javalin.Javalin
 import io.javalin.JavalinEvent.SERVER_START_FAILED
 import io.javalin.JavalinEvent.SERVER_STOPPED
-import io.javalin.NotFoundResponse
 import io.javalin.apibuilder.ApiBuilder.*
 import io.javalin.core.util.ContextUtil
 import io.javalin.core.util.Header.AUTHORIZATION
-import org.briarproject.bramble.api.contact.ContactId
 import org.briarproject.briar.headless.blogs.BlogController
 import org.briarproject.briar.headless.contact.ContactController
 import org.briarproject.briar.headless.event.WebSocketController
@@ -52,6 +50,7 @@ constructor(
             .event(SERVER_START_FAILED) {serverStopped() }
             .event(SERVER_STOPPED) { serverStopped() }
         if (debug) app.enableDebugLogging()
+        app.start()
 
         app.accessManager { handler, ctx, _ ->
             if (ctx.header(AUTHORIZATION) == "Bearer $authToken") {
@@ -64,9 +63,6 @@ constructor(
             path("/v1") {
                 path("/contacts") {
                     get { ctx -> contactController.list(ctx) }
-                    path("/:contactId") {
-                        delete { ctx -> contactController.delete(ctx) }
-                    }
                 }
                 path("/messages/:contactId") {
                     get { ctx -> messagingController.list(ctx) }
@@ -101,7 +97,6 @@ constructor(
                 webSocketController.sessions.remove(session)
             }
         }
-        app.start()
     }
 
     private fun serverStopped() {
@@ -117,21 +112,6 @@ constructor(
 
 }
 
-/**
- * Returns a [ContactId] from the "contactId" path parameter.
- *
- * @throws NotFoundResponse when contactId is not a number.
- */
-fun Context.getContactIdFromPathParam(): ContactId {
-    val contactString = pathParam("contactId")
-    val contactInt = try {
-        Integer.parseInt(contactString)
-    } catch (e: NumberFormatException) {
-        throw NotFoundResponse()
-    }
-    return ContactId(contactInt)
-}
-
 /**
  * Returns a String from the JSON field or throws [BadRequestResponse] if null or empty.
  */

briar-headless/src/main/java/org/briarproject/briar/headless/contact/ContactController.kt

@@ -5,6 +5,5 @@ import io.javalin.Context
 interface ContactController {
 
     fun list(ctx: Context): Context
-    fun delete(ctx: Context): Context
 
 }

briar-headless/src/main/java/org/briarproject/briar/headless/contact/ContactControllerImpl.kt

@@ -1,10 +1,7 @@
 package org.briarproject.briar.headless.contact
 
 import io.javalin.Context
-import io.javalin.NotFoundResponse
 import org.briarproject.bramble.api.contact.ContactManager
-import org.briarproject.bramble.api.db.NoSuchContactException
-import org.briarproject.briar.headless.getContactIdFromPathParam
 import javax.annotation.concurrent.Immutable
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -22,14 +19,4 @@ constructor(private val contactManager: ContactManager) : ContactController {
         return ctx.json(contacts)
     }
 
-    override fun delete(ctx: Context): Context {
-        val contactId = ctx.getContactIdFromPathParam()
-        try {
-            contactManager.removeContact(contactId)
-        } catch (e: NoSuchContactException) {
-            throw NotFoundResponse()
-        }
-        return ctx
-    }
-
 }

briar-headless/src/main/java/org/briarproject/briar/headless/messaging/MessagingControllerImpl.kt

@@ -26,7 +26,6 @@ import org.briarproject.briar.api.privategroup.invitation.GroupInvitationRequest
 import org.briarproject.briar.api.privategroup.invitation.GroupInvitationResponse
 import org.briarproject.briar.headless.event.WebSocketController
 import org.briarproject.briar.headless.event.output
-import org.briarproject.briar.headless.getContactIdFromPathParam
 import org.briarproject.briar.headless.getFromJson
 import org.briarproject.briar.headless.json.JsonDict
 import java.util.concurrent.Executor
@@ -85,7 +84,13 @@ constructor(
     }
 
     private fun getContact(ctx: Context): Contact {
-        val contactId = ctx.getContactIdFromPathParam()
+        val contactString = ctx.pathParam("contactId")
+        val contactInt = try {
+            Integer.parseInt(contactString)
+        } catch (e: NumberFormatException) {
+            throw NotFoundResponse()
+        }
+        val contactId = ContactId(contactInt)
         return try {
             contactManager.getContact(contactId)
         } catch (e: NoSuchContactException) {

briar-headless/src/test/java/org/briarproject/briar/headless/contact/ContactControllerTest.kt

@@ -1,16 +1,10 @@
 package org.briarproject.briar.headless.contact
 
-import io.javalin.NotFoundResponse
 import io.javalin.json.JavalinJson.toJson
-import io.mockk.Runs
 import io.mockk.every
-import io.mockk.just
 import org.briarproject.bramble.api.contact.Contact
-import org.briarproject.bramble.api.contact.ContactId
-import org.briarproject.bramble.api.db.NoSuchContactException
 import org.briarproject.bramble.identity.output
 import org.briarproject.briar.headless.ControllerTest
-import org.junit.jupiter.api.Assertions.assertThrows
 import org.junit.jupiter.api.Test
 
 internal class ContactControllerTest : ControllerTest() {
@@ -31,30 +25,6 @@ internal class ContactControllerTest : ControllerTest() {
         controller.list(ctx)
     }
 
-    @Test
-    fun testDelete() {
-        every { ctx.pathParam("contactId") } returns "1"
-        every { contactManager.removeContact(ContactId(1)) } just Runs
-        controller.delete(ctx)
-    }
-
-    @Test
-    fun testDeleteInvalidContactId() {
-        every { ctx.pathParam("contactId") } returns "foo"
-        assertThrows(NotFoundResponse::class.java) {
-            controller.delete(ctx)
-        }
-    }
-
-    @Test
-    fun testDeleteNonexistentContactId() {
-        every { ctx.pathParam("contactId") } returns "1"
-        every { contactManager.removeContact(ContactId(1)) } throws NoSuchContactException()
-        assertThrows(NotFoundResponse::class.java) {
-            controller.delete(ctx)
-        }
-    }
-
     @Test
     fun testOutputContact() {
         val json = """

briar-headless/witness.gradle

@@ -1,26 +1,26 @@
 dependencyVerification {
     verify = [
         'com.fasterxml.jackson.core:jackson-annotations:2.9.0:jackson-annotations-2.9.0.jar:45d32ac61ef8a744b464c54c2b3414be571016dd46bfc2bec226761cf7ae457a',
-        'com.fasterxml.jackson.core:jackson-core:2.9.7:jackson-core-2.9.7.jar:9e5bc0efabd9f0cac5c1fdd9ae35b16332ed22a0ee19a356de370a18a8cb6c84',
-        'com.fasterxml.jackson.core:jackson-databind:2.9.7:jackson-databind-2.9.7.jar:675376decfc070b039d2be773a97002f1ee1e1346d95bd99feee0d56683a92bf',
+        'com.fasterxml.jackson.core:jackson-core:2.9.6:jackson-core-2.9.6.jar:fab8746aedd6427788ee390ea04d438ec141bff7eb3476f8bdd5d9110fb2718a',
+        'com.fasterxml.jackson.core:jackson-databind:2.9.6:jackson-databind-2.9.6.jar:657e3e979446d61f88432b9c50f0ccd9c1fe4f1c822d533f5572e4c0d172a125',
         'com.github.ajalt:clikt:1.5.0:clikt-1.5.0.jar:f13ab614cb0372229f6bb1e19aa98ee6f4ac96f253d0e72d482ee4f5fd2a13a9',
         'com.google.dagger:dagger-compiler:2.0.2:dagger-compiler-2.0.2.jar:b74bc9de063dd4c6400b232231f2ef5056145b8fbecbf5382012007dd1c071b3',
         'com.google.dagger:dagger-producers:2.0-beta:dagger-producers-2.0-beta.jar:99ec15e8a0507ba569e7655bc1165ee5e5ca5aa914b3c8f7e2c2458f724edd6b',
         'com.google.dagger:dagger:2.0.2:dagger-2.0.2.jar:84c0282ed8be73a29e0475d639da030b55dee72369e58dd35ae7d4fe6243dcf9',
         'com.google.guava:guava:18.0:guava-18.0.jar:d664fbfc03d2e5ce9cab2a44fb01f1d0bf9dfebeccc1a473b1f9ea31f79f6f99',
         'com.vaadin.external.google:android-json:0.0.20131108.vaadin1:android-json-0.0.20131108.vaadin1.jar:dfb7bae2f404cfe0b72b4d23944698cb716b7665171812a0a4d0f5926c0fac79',
-        'io.javalin:javalin:2.3.0:javalin-2.3.0.jar:3571e83863e1f163854f1b2ee3cbfc1336fcbdfa595ec9c2ed8ab8bfa792e5f4',
-        'io.mockk:mockk-agent-api:1.8.9:mockk-agent-api-1.8.9.jar:8cbc0adc0f349f891d44ffdaba55c68271790ce9c33cc437d2be86a5af572d6c',
-        'io.mockk:mockk-agent-common:1.8.9:mockk-agent-common-1.8.9.jar:a67b8bb696f91023e4446e2c8594c652924a350422047c96f31031be2a8de54a',
-        'io.mockk:mockk-agent-jvm:1.8.9:mockk-agent-jvm-1.8.9.jar:4a8b83501e0fda6f79601e073c9e419dc649eeb8d18645ae0d60c64f1e671076',
-        'io.mockk:mockk-common:1.8.9:mockk-common-1.8.9.jar:a3fb4d3fa776dde4eab2cc49e5df68fa394064df47431e2add9fc2100f3a145f',
-        'io.mockk:mockk-dsl-jvm:1.8.9:mockk-dsl-jvm-1.8.9.jar:d6cfda3ba94b3fba2826c4554a33866a5559df9326fb28b559078fcb4508e60d',
-        'io.mockk:mockk-dsl:1.8.9:mockk-dsl-1.8.9.jar:e24f0de13e12227544a68dae13f4fae4dd376f5d1eac796d3f4594989c0f2e68',
-        'io.mockk:mockk:1.8.9:mockk-1.8.9.jar:9ead145f12b086af1d15eb4bf0fa5ccee02781b69937be6f77f47ac03100f526',
+        'io.javalin:javalin:2.2.0:javalin-2.2.0.jar:f7298fa281400559e92f000477a631c75aca9e01776962fd4b392fdb3b714190',
+        'io.mockk:mockk-agent-api:1.8.6:mockk-agent-api-1.8.6.jar:613512c66538e6349e03df641a868f4ee324f13e2e1dbd67a0ed388aa664a444',
+        'io.mockk:mockk-agent-common:1.8.6:mockk-agent-common-1.8.6.jar:cb7cb26fae5bfd3c89090858548990f311b27f673b9efa9d0c94f97c463b2863',
+        'io.mockk:mockk-agent-jvm:1.8.6:mockk-agent-jvm-1.8.6.jar:3f30b98d23ada8b5a44d75b43cd58fc03252fcb96939ff31e7ad659818af1e5d',
+        'io.mockk:mockk-common:1.8.6:mockk-common-1.8.6.jar:a04b0e2fc7d583807cf89f3bbf5c7501808725e49e385d95486e1008d8ab2ba8',
+        'io.mockk:mockk-dsl-jvm:1.8.6:mockk-dsl-jvm-1.8.6.jar:c2c5df747ff04d1a3e02212b7b43f9ba4233597ae278928598275d7a7bb26d73',
+        'io.mockk:mockk-dsl:1.8.6:mockk-dsl-1.8.6.jar:f6014265fe88ef1290c936741bdd0a7c3d9ceba9ee3bd2a153d65b05e1fc7946',
+        'io.mockk:mockk:1.8.6:mockk-1.8.6.jar:0a200d71bab11facfe50637b1980f53c07a21bfa4dd9eb021ac8e8cc693924b2',
         'javax.inject:javax.inject:1:javax.inject-1.jar:91c77044a50c481636c32d916fd89c9118a72195390452c81065080f957de7ff',
         'javax.servlet:javax.servlet-api:3.1.0:javax.servlet-api-3.1.0.jar:af456b2dd41c4e82cf54f3e743bc678973d9fe35bd4d3071fa05c7e5333b8482',
-        'net.bytebuddy:byte-buddy-agent:1.8.22:byte-buddy-agent-1.8.22.jar:ebc20e83fbb13e7911e4c704c9548a4166d7e83922f80de700ae5c5c983943d5',
-        'net.bytebuddy:byte-buddy:1.8.22:byte-buddy-1.8.22.jar:d330d2ef290a2852bbaf06eab03bc93d24501599c8a836da9d946f82c48e276c',
+        'net.bytebuddy:byte-buddy-agent:1.8.8:byte-buddy-agent-1.8.8.jar:dc1a2dcefe72731fa89ae84e32231c74d545ccf8216c79865096e546f20c57e8',
+        'net.bytebuddy:byte-buddy:1.8.8:byte-buddy-1.8.8.jar:30aed1ae2ee5261b1d2f0e98ec3fcb40755c3f61b378089fb65d56098df1f16b',
         'org.apiguardian:apiguardian-api:1.0.0:apiguardian-api-1.0.0.jar:1f58b77470d8d147a0538d515347dd322f49a83b9e884b8970051160464b65b3',
         'org.eclipse.jetty.websocket:websocket-api:9.4.12.v20180830:websocket-api-9.4.12.v20180830.jar:6f7ecb42601058ffe4a6c19c5340cac3ebf0f83e2e252b457558f104238278e3',
         'org.eclipse.jetty.websocket:websocket-client:9.4.12.v20180830:websocket-client-9.4.12.v20180830.jar:97c6882c858a75776773eaccc01739757c4e9f60a51613878c1f2b2ba03d91af',
@@ -36,30 +36,31 @@ dependencyVerification {
         'org.eclipse.jetty:jetty-util:9.4.12.v20180830:jetty-util-9.4.12.v20180830.jar:60ad53e118a3e7d10418b155b9944d90b2e4e4c732e53ef4f419473288d3f48c',
         'org.eclipse.jetty:jetty-webapp:9.4.12.v20180830:jetty-webapp-9.4.12.v20180830.jar:5301e412a32bf7dddcfad458d952179597c61f8fd531c265873562725c3d4646',
         'org.eclipse.jetty:jetty-xml:9.4.12.v20180830:jetty-xml-9.4.12.v20180830.jar:5b8298ab3d43ddaf0941d41f51b82c8ae23a247da055fa161b752ab9495155ed',
-        'org.jetbrains.kotlin:kotlin-android-extensions:1.2.71:kotlin-android-extensions-1.2.71.jar:6c3f52bbb7c25ddb102cfbe1e91e3f1ee45805f842310fb92496668dbf1366de',
-        'org.jetbrains.kotlin:kotlin-annotation-processing-gradle:1.2.71:kotlin-annotation-processing-gradle-1.2.71.jar:107070d5bc10530a6823907487609899ac4d8753f730b8abf1f158971d93802e',
-        'org.jetbrains.kotlin:kotlin-build-common:1.2.71:kotlin-build-common-1.2.71.jar:f3c6874442409c5fac7142dc5a4f7a0148147896a6d7f9e0c3cb140690090cb1',
-        'org.jetbrains.kotlin:kotlin-compiler-embeddable:1.2.71:kotlin-compiler-embeddable-1.2.71.jar:623e546310d3da89ed2bc0cf9f7fedd78fadd9cd65d2ff798fa894c14e527665',
-        'org.jetbrains.kotlin:kotlin-compiler-runner:1.2.71:kotlin-compiler-runner-1.2.71.jar:7259a24562ba880f821bc7c9ae51f724d66e8ea00f6e3143d4427a161ae6e998',
-        'org.jetbrains.kotlin:kotlin-daemon-client:1.2.71:kotlin-daemon-client-1.2.71.jar:2ad669e3c2cedd3a2406f3c2c4739dba537acf373d605c207ed5058630e66462',
-        'org.jetbrains.kotlin:kotlin-gradle-plugin-api:1.2.71:kotlin-gradle-plugin-api-1.2.71.jar:a141e6b9740ebf88ce53d258e40cb59f54ee8e2fafdff4c4c10b0abdceb57cba',
-        'org.jetbrains.kotlin:kotlin-gradle-plugin-model:1.2.71:kotlin-gradle-plugin-model-1.2.71.jar:7082e9858b3ead143bcb48383007751a776fd46e8ce4cec1a1d4a873db5e7ec1',
-        'org.jetbrains.kotlin:kotlin-gradle-plugin:1.2.71:kotlin-gradle-plugin-1.2.71.jar:ab88dab9bd2a3c31c4e6aaa0eb4168d13f126e9076561bb42f5f3fe80c902a78',
-        'org.jetbrains.kotlin:kotlin-reflect:1.2.71:kotlin-reflect-1.2.71.jar:1f3e10abd68d0b0816bddab7314f61269e01d8aa2ca1cbd120c12d3b4dc94b0f',
-        'org.jetbrains.kotlin:kotlin-script-runtime:1.2.71:kotlin-script-runtime-1.2.71.jar:307d0a56734458a5e57e3ea788c15b22591912ba39f81b2cc8b0a090944012bb',
-        'org.jetbrains.kotlin:kotlin-scripting-compiler-embeddable:1.2.71:kotlin-scripting-compiler-embeddable-1.2.71.jar:97a5d94241d13719ea756a908262a10c638db7a8caaa23b28537b1687f894f0c',
-        'org.jetbrains.kotlin:kotlin-stdlib-common:1.2.71:kotlin-stdlib-common-1.2.71.jar:63999687ff2fce8a592dd180ffbbf8f1d21c26b4044c55cdc74ff3cf3b3cf328',
-        'org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.2.71:kotlin-stdlib-jdk7-1.2.71.jar:b136bd61b240e07d4d92ce00d3bd1dbf584400a7bf5f220c2f3cd22446858082',
-        'org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.2.71:kotlin-stdlib-jdk8-1.2.71.jar:ac3c8abf47790b64b4f7e2509a53f0c145e061ac1612a597520535d199946ea9',
-        'org.jetbrains.kotlin:kotlin-stdlib:1.2.71:kotlin-stdlib-1.2.71.jar:4c895c270b87f5fec2a2796e1d89c15407ee821de961527c28588bb46afbc68b',
+        'org.jetbrains.kotlin:kotlin-android-extensions:1.2.70:kotlin-android-extensions-1.2.70.jar:534601f4b10bd175268a611ea370051f75db3377da11e9400430f01db7c70bd0',
+        'org.jetbrains.kotlin:kotlin-annotation-processing-gradle:1.2.70:kotlin-annotation-processing-gradle-1.2.70.jar:820da7e3637066c14eb3d54dc29cd6d4dc4a041ff603d0b15844403de47b7d12',
+        'org.jetbrains.kotlin:kotlin-build-common:1.2.70:kotlin-build-common-1.2.70.jar:6756d98108512b8a42013e453912e868777a20f05cac3f40af891e4058e94da6',
+        'org.jetbrains.kotlin:kotlin-compiler-embeddable:1.2.70:kotlin-compiler-embeddable-1.2.70.jar:8958d6f6ce4e49a6cecaaa9a1711a6b03df793fe066a74d88cf4958f20b0f10d',
+        'org.jetbrains.kotlin:kotlin-compiler-runner:1.2.70:kotlin-compiler-runner-1.2.70.jar:44654c5f86e2b36222cb8b09e5eeb0b252db1e83d258b27fb31c670c339e65e1',
+        'org.jetbrains.kotlin:kotlin-daemon-client:1.2.70:kotlin-daemon-client-1.2.70.jar:92b73c45670324ae6b81ccaa123a38eddd53adfe3a2b58938421d4d17a53f9e3',
+        'org.jetbrains.kotlin:kotlin-gradle-plugin-api:1.2.70:kotlin-gradle-plugin-api-1.2.70.jar:a60b71d564795461e023956d8b3dd03d606d51ad1eb79e7c002dbce62a24378c',
+        'org.jetbrains.kotlin:kotlin-gradle-plugin-model:1.2.70:kotlin-gradle-plugin-model-1.2.70.jar:a7fdb4b35e7537ad417e6b19595a1df7d676e8e9fa5a8a96dbcf1a40b577493b',
+        'org.jetbrains.kotlin:kotlin-gradle-plugin:1.2.70:kotlin-gradle-plugin-1.2.70.jar:b9a96b3d39215b7fdcc8013476e70f86b8010277dd3639e58b42e6ffde1f3cab',
+        'org.jetbrains.kotlin:kotlin-reflect:1.2.41:kotlin-reflect-1.2.41.jar:1bab75771dfa2bb5949cd383ceaedf6f8d354fa0d677804fc5a39e320bab70d3',
+        'org.jetbrains.kotlin:kotlin-reflect:1.2.70:kotlin-reflect-1.2.70.jar:89ef46a458c5ee58b8460d0d22b0bb484eea0589ccffd59d650ef38bcb60e806',
+        'org.jetbrains.kotlin:kotlin-script-runtime:1.2.70:kotlin-script-runtime-1.2.70.jar:0124dfcf890e39250c3a4481cdd27f038d8321e93ce983730c4cbc10143eadc2',
+        'org.jetbrains.kotlin:kotlin-scripting-compiler-embeddable:1.2.70:kotlin-scripting-compiler-embeddable-1.2.70.jar:cbd88e1cae3f8f2baeb7021d3b76323b30e82663e7b4222a214f33ee314b3653',
+        'org.jetbrains.kotlin:kotlin-stdlib-common:1.2.70:kotlin-stdlib-common-1.2.70.jar:bb6898bef18e1de5d416d5135ca70dcac6645718c7d84bbddcfeb76ed1c199a1',
+        'org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.2.70:kotlin-stdlib-jdk7-1.2.70.jar:b4ace315288134b52fddb58b4a92636faafb2ab5eb46bad97d3bce7623a8e213',
+        'org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.2.70:kotlin-stdlib-jdk8-1.2.70.jar:88d0c29f4065b6ad34261fb4a04d39f9813051c6942428d718b649378d057ad1',
+        'org.jetbrains.kotlin:kotlin-stdlib:1.2.70:kotlin-stdlib-1.2.70.jar:7d20d0a56dd0ea6176137759a6aad331bbfae67436b45e5f0a4d8dafb6985c81',
         'org.jetbrains:annotations:13.0:annotations-13.0.jar:ace2a10dc8e2d5fd34925ecac03e4988b2c0f851650c94b8cef49ba1bd111478',
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         'org.objenesis:objenesis:2.6:objenesis-2.6.jar:5e168368fbc250af3c79aa5fef0c3467a2d64e5a7bd74005f25d8399aeb0708d',
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         'org.skyscreamer:jsonassert:1.5.0:jsonassert-1.5.0.jar:a310bc79c3f4744e2b2e993702fcebaf3696fec0063643ffdc6b49a8fb03ef39',
         'org.slf4j:slf4j-api:1.7.25:slf4j-api-1.7.25.jar:18c4a0095d5c1da6b817592e767bb23d29dd2f560ad74df75ff3961dbde25b79',
         'org.slf4j:slf4j-simple:1.7.25:slf4j-simple-1.7.25.jar:0966e86fffa5be52d3d9e7b89dd674d98a03eed0a454fbaf7c1bd9493bd9d874',