add new or recover screen - displays fragment with buttons

briar-android/src/main/AndroidManifest.xml

@@ -134,6 +134,15 @@
 			</intent-filter>
 		</activity>
 
+		<activity
+			android:name="org.briarproject.briar.android.account.NewOrRecoverActivity"
+			android:label="@string/activity_name_new_or_recover_account"
+			android:parentActivityName="org.briarproject.briar.android.login.StartupActivity">
+			<meta-data
+				android:name="android.support.PARENT_ACTIVITY"
+				android:value="org.briarproject.briar.android.login.StartupActivity" />
+		</activity>
+
 		<activity
 			android:name="org.briarproject.briar.android.socialbackup.DistributedBackupActivity"
 			android:label="@string/activity_name_distributed_backup"

briar-android/src/main/java/org/briarproject/briar/android/account/NewOrRecoverActivity.java

@@ -5,8 +5,9 @@ import android.os.Bundle;
 import org.briarproject.briar.R;
 import org.briarproject.briar.android.activity.ActivityComponent;
 import org.briarproject.briar.android.activity.BaseActivity;
+import org.briarproject.briar.android.fragment.BaseFragment;
 
-public class NewOrRecoverActivity extends BaseActivity {
+public class NewOrRecoverActivity extends BaseActivity implements BaseFragment.BaseFragmentListener {
 
 	@Override
 	public void injectActivity(ActivityComponent component) {
@@ -18,5 +19,13 @@ public class NewOrRecoverActivity extends BaseActivity {
 		super.onCreate(state);
 		// fade-in after splash screen instead of default animation
 		overridePendingTransition(R.anim.fade_in, R.anim.fade_out);
+        setContentView(R.layout.activity_fragment_container);
+		NewOrRecoverFragment fragment = NewOrRecoverFragment.newInstance();
+		showInitialFragment(fragment);
+	}
+
+	@Override
+	public void runOnDbThread(Runnable runnable) {
+
 	}
 }

briar-android/src/main/java/org/briarproject/briar/android/account/NewOrRecoverFragment.java

@@ -46,5 +46,4 @@ public class NewOrRecoverFragment extends BaseFragment {
 	public void injectFragment(ActivityComponent component) {
 		component.inject(this);
 	}
-
 }

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

@@ -7,6 +7,7 @@ import org.briarproject.briar.android.AndroidComponent;
 import org.briarproject.briar.android.StartupFailureActivity;
 import org.briarproject.briar.android.account.AuthorNameFragment;
 import org.briarproject.briar.android.account.DozeFragment;
+import org.briarproject.briar.android.account.NewOrRecoverActivity;
 import org.briarproject.briar.android.account.NewOrRecoverFragment;
 import org.briarproject.briar.android.account.SetPasswordFragment;
 import org.briarproject.briar.android.account.SetupActivity;
@@ -195,6 +196,8 @@ public interface ActivityComponent {
 
 	void inject(CrashReportActivity crashReportActivity);
 
+	void inject(NewOrRecoverActivity newOrRecoverActivity);
+
 	// Fragments
 
 	void inject(AuthorNameFragment fragment);

briar-android/src/main/java/org/briarproject/briar/android/login/StartupActivity.java

@@ -7,6 +7,7 @@ import org.briarproject.bramble.api.nullsafety.MethodsNotNullByDefault;
 import org.briarproject.bramble.api.nullsafety.ParametersNotNullByDefault;
 import org.briarproject.briar.R;
 import org.briarproject.briar.android.BriarService;
+import org.briarproject.briar.android.account.NewOrRecoverActivity;
 import org.briarproject.briar.android.account.SetupActivity;
 import org.briarproject.briar.android.activity.ActivityComponent;
 import org.briarproject.briar.android.activity.BaseActivity;
@@ -107,7 +108,7 @@ public class StartupActivity extends BaseActivity implements
 	private void onAccountDeleted() {
 		setResult(RESULT_CANCELED);
 		finish();
-		Intent i = new Intent(this, SetupActivity.class);
+		Intent i = new Intent(this, NewOrRecoverActivity.class);
 		i.addFlags(FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_CLEAR_TOP |
 				FLAG_ACTIVITY_CLEAR_TASK | FLAG_ACTIVITY_TASK_ON_HOME);
 		startActivity(i);

briar-android/src/main/java/org/briarproject/briar/android/socialbackup/DistributedBackupActivity.java

@@ -3,8 +3,6 @@ package org.briarproject.briar.android.socialbackup;
 import android.os.Bundle;
 import android.widget.Toast;
 
-import androidx.fragment.app.FragmentTransaction;
-
 import org.briarproject.bramble.api.contact.ContactId;
 import org.briarproject.bramble.api.db.DatabaseComponent;
 import org.briarproject.bramble.api.db.DbException;
@@ -14,7 +12,6 @@ import org.briarproject.briar.android.activity.BriarActivity;
 import org.briarproject.briar.android.contactselection.ContactSelectorListener;
 import org.briarproject.briar.android.fragment.BaseFragment;
 import org.briarproject.briar.api.socialbackup.BackupMetadata;
-import org.briarproject.briar.api.socialbackup.Shard;
 import org.briarproject.briar.api.socialbackup.SocialBackupManager;
 
 import java.util.Collection;

briar-android/src/main/java/org/briarproject/briar/android/socialbackup/ShardsSentFragment.java

@@ -3,9 +3,6 @@ package org.briarproject.briar.android.socialbackup;
 import android.content.Context;
 import android.os.Bundle;
 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.Button;
@@ -17,8 +14,6 @@ import org.briarproject.briar.android.fragment.BaseFragment;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 
-import static java.util.Objects.requireNonNull;
-
 public class ShardsSentFragment extends BaseFragment {
 
     public static final String TAG = ShardsSentFragment.class.getName();

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

@@ -712,4 +712,5 @@
 	<string name="activity_name_distributed_backup">Social Backup</string>
 	<string name="activity_name_old_distributed_backup">Old Social Backup</string>
 
+	<string name="activity_name_new_or_recover_account">Create new account or recover existing account</string>
 </resources>