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Code Issues Projects Releases Wiki Activity

code and ui refactoring in the Password activity, encapsulation and wrappers.

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This commit is contained in:
Ernir Erlingsson
2015-12-08 23:56:34 +01:00
parent 6d13c4e095
commit 43f562a7bc
9 changed files with 208 additions and 86 deletions
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61
briar-android/res/layout/activity_password.xml Normal file
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@@ -0,0 +1,61 @@
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:paddingBottom="@dimen/margin_activity_vertical"
android:paddingEnd="@dimen/margin_activity_horizontal"
android:paddingStart="@dimen/margin_activity_horizontal"
android:paddingTop="@dimen/margin_activity_vertical">
<TextView
android:id="@+id/title_password"
style="@style/BriarTextTitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:padding="@dimen/margin_large"
android:text="@string/enter_password" />
<EditText
android:id="@+id/edit_password"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@id/title_password"
android:hint="@string/password_hint"
android:imeOptions="actionDone"
android:inputType="textPassword"
android:lines="1"
android:maxLines="1" />
<Button
android:id="@+id/btn_sign_in"
style="@style/BriarButton.Default"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@id/edit_password"
android:layout_marginTop="@dimen/margin_xlarge"
android:onClick="onSignInClick"
android:text="@string/sign_in_button" />
<ProgressBar
android:id="@+id/progress_wheel"
style="?android:attr/progressBarStyleInverse"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignTop="@id/btn_sign_in"
android:visibility="invisible" />
<TextView
style="@style/BriarTextBody"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/btn_sign_in"
android:layout_centerHorizontal="true"
android:layout_marginTop="@dimen/margin_large"
android:clickable="true"
android:onClick="onForgottenPasswordClick"
android:text="@string/forgotten_password"
android:textColor="?android:attr/textColorLink" />
</RelativeLayout>

5
briar-android/res/values-v14/styles.xml
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@@ -9,4 +9,9 @@
<item name="android:textColor">@color/action_bar_text</item>
<item name="android:background">@color/action_bar_background</item>
</style>
<style name="BriarButton.Default">
<item name="android:textAllCaps">true</item>
</style>
</resources>

2
briar-android/res/values/color.xml
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@@ -14,4 +14,6 @@
<color name="no_posts">#AAAAAA</color>
<color name="settings_title_text">#2D3E50</color>
<color name="settings_title_underline">#2D3E50</color>
<color name="text_link">#2D3E50</color>
</resources>

21
briar-android/res/values/dimens.xml Normal file
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@@ -0,0 +1,21 @@
<resources>
<!-- Default screen margins, per the Android Design guidelines. -->
<dimen name="margin_activity_horizontal">16dp</dimen>
<dimen name="margin_activity_vertical">16dp</dimen>
<dimen name="margin_seperator">1dp</dimen>
<dimen name="margin_tiny">2dp</dimen>
<dimen name="margin_small">4dp</dimen>
<dimen name="margin_medium">8dp</dimen>
<dimen name="margin_large">16dp</dimen>
<dimen name="margin_xlarge">32dp</dimen>
<!-- v2 dimens -->
<dimen name="text_size_tiny">12sp</dimen>
<dimen name="text_size_small">14sp</dimen>
<dimen name="text_size_medium">16sp</dimen>
<dimen name="text_size_large">20sp</dimen>
<dimen name="text_size_xlarge">34sp</dimen>
</resources>

4
briar-android/res/values/strings.xml
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@@ -1,5 +1,7 @@
<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="app_name">Briar</string>
<string name="crash_report_title">Briar Crash Report</string>
<string name="ongoing_notification_title">Signed into Briar</string>
@@ -13,6 +15,8 @@
<string name="passwords_do_not_match">Passwords do not match</string>
<string name="create_account_button">Create Account</string>
<string name="enter_password">Enter your password:</string>
<string name="password_hint">Password</string>
<string name="forgotten_password">I have forgotten my password</string>
<string name="try_again">Wrong password, try again:</string>
<string name="sign_in_button">Sign In</string>
<string name="startup_failed_notification_title">Briar could not start</string>

17
briar-android/res/values/styles.xml
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@@ -12,4 +12,21 @@
<style name="WindowTitleBackground">
<item name="android:background">@color/action_bar_background</item>
</style>
<style name="BriarButton">
<item name="android:textSize">@dimen/text_size_medium</item>
<item name="android:padding">@dimen/margin_large</item>
</style>
<style name="BriarButton.Default"/>
<style name="BriarTextTitle">
<item name="android:textSize">@dimen/text_size_medium</item>
<item name="android:textColor">@android:color/primary_text_light</item>
</style>
<style name="BriarTextBody">
<item name="android:textSize">@dimen/text_size_small</item>
<item name="android:textColor">@android:color/primary_text_light</item>
</style>
</resources>

56
briar-android/src/org/briarproject/android/BaseActivity.java Normal file
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@@ -0,0 +1,56 @@
package org.briarproject.android;
import static android.view.inputmethod.InputMethodManager.HIDE_IMPLICIT_ONLY;
import static org.briarproject.android.TestingConstants.PREVENT_SCREENSHOTS;
import static android.view.WindowManager.LayoutParams.FLAG_SECURE;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.view.inputmethod.InputMethodManager;
import roboguice.activity.RoboActivity;
public abstract class BaseActivity extends RoboActivity {
private final static String PREFS_DB = "db";
private final static String KEY_DB_KEY = "key";
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (PREVENT_SCREENSHOTS) getWindow().addFlags(FLAG_SECURE);
}
private SharedPreferences getBriarPrefs(String prefsName) {
return getSharedPreferences(prefsName, MODE_PRIVATE);
}
protected String getDbKeyInHex() {
return getBriarPrefs(PREFS_DB).getString(KEY_DB_KEY, null);
}
private void clearPrefs(String prefsName) {
SharedPreferences.Editor editor = getBriarPrefs(prefsName).edit();
editor.clear();
editor.apply();
}
protected void clearDbPrefs() {
this.clearPrefs(PREFS_DB);
}
protected void gotoAndFinish(Class classInstance, int resultCode) {
if (resultCode != Integer.MIN_VALUE)
this.setResult(resultCode);
this.startActivity(new Intent(this, classInstance));
this.finish();
}
protected void hideSoftKeyboard()
{
Object o = getSystemService(INPUT_METHOD_SERVICE);
((InputMethodManager) o).toggleSoftInput(HIDE_IMPLICIT_ONLY, 0);
}
}

3
briar-android/src/org/briarproject/android/BriarActivity.java
View File

@@ -25,7 +25,7 @@ import android.os.IBinder;
import android.view.inputmethod.InputMethodManager;
@SuppressLint("Registered")
public class BriarActivity extends RoboActivity {
public class BriarActivity extends BaseActivity {
public static final int REQUEST_PASSWORD = 1;
@@ -45,7 +45,6 @@ public class BriarActivity extends RoboActivity {
@Override
public void onCreate(Bundle state) {
super.onCreate(state);
if (PREVENT_SCREENSHOTS) getWindow().addFlags(FLAG_SECURE);
if (databaseConfig.getEncryptionKey() != null) startAndBindService();
}

125
briar-android/src/org/briarproject/android/PasswordActivity.java
View File

@@ -1,17 +1,7 @@
package org.briarproject.android;
import static android.text.InputType.TYPE_CLASS_TEXT;
import static android.text.InputType.TYPE_TEXT_VARIATION_PASSWORD;
import static android.view.Gravity.CENTER;
import static android.view.Gravity.CENTER_HORIZONTAL;
import static android.view.View.GONE;
import static android.view.View.VISIBLE;
import static android.view.WindowManager.LayoutParams.FLAG_SECURE;
import static android.view.inputmethod.InputMethodManager.HIDE_IMPLICIT_ONLY;
import static android.widget.LinearLayout.VERTICAL;
import static org.briarproject.android.TestingConstants.PREVENT_SCREENSHOTS;
import static org.briarproject.android.util.CommonLayoutParams.MATCH_MATCH;
import static org.briarproject.android.util.CommonLayoutParams.WRAP_WRAP;
import java.io.File;
import java.util.concurrent.Executor;
@@ -19,37 +9,32 @@ import java.util.concurrent.Executor;
import javax.inject.Inject;
import org.briarproject.R;
import org.briarproject.android.util.FixedVerticalSpace;
import org.briarproject.android.util.LayoutUtils;
import org.briarproject.api.crypto.CryptoComponent;
import org.briarproject.api.crypto.CryptoExecutor;
import org.briarproject.api.crypto.SecretKey;
import org.briarproject.api.db.DatabaseConfig;
import org.briarproject.util.StringUtils;
import roboguice.activity.RoboActivity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.text.Editable;
import android.view.KeyEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.inputmethod.InputMethodManager;
import android.view.inputmethod.EditorInfo;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.TextView.OnEditorActionListener;
public class PasswordActivity extends RoboActivity {
public class PasswordActivity extends BaseActivity {
@Inject @CryptoExecutor private Executor cryptoExecutor;
private TextView enterPassword = null;
private EditText passwordEntry = null;
private Button signInButton = null;
private ProgressBar progress = null;
private Button mSignInButton;
private ProgressBar mProgress;
private TextView mTitle;
private EditText mPassword;
private byte[] encrypted;
// Fields that are accessed from background threads must be volatile
@Inject private volatile CryptoComponent crypto;
@@ -59,66 +44,42 @@ public class PasswordActivity extends RoboActivity {
public void onCreate(Bundle state) {
super.onCreate(state);
if (PREVENT_SCREENSHOTS) getWindow().addFlags(FLAG_SECURE);
SharedPreferences prefs = getSharedPreferences("db", MODE_PRIVATE);
String hex = prefs.getString("key", null);
String hex = this.getDbKeyInHex();
if (hex == null || !databaseConfig.databaseExists()) {
// Storage has been deleted - clean up and return to setup
prefs.edit().clear().commit();
delete(databaseConfig.getDatabaseDirectory());
setResult(RESULT_CANCELED);
startActivity(new Intent(this, SetupActivity.class));
finish();
this.clearDbPrefs();
return;
}
final byte[] encrypted = StringUtils.fromHexString(hex);
this.encrypted = StringUtils.fromHexString(hex);
LinearLayout layout = new LinearLayout(this);
layout.setLayoutParams(MATCH_MATCH);
layout.setOrientation(VERTICAL);
layout.setGravity(CENTER_HORIZONTAL);
int pad = LayoutUtils.getPadding(this);
layout.setPadding(pad, pad, pad, pad);
enterPassword = new TextView(this);
enterPassword.setGravity(CENTER);
enterPassword.setTextSize(18);
enterPassword.setText(R.string.enter_password);
layout.addView(enterPassword);
passwordEntry = new EditText(this);
passwordEntry.setId(1);
passwordEntry.setMaxLines(1);
int inputType = TYPE_CLASS_TEXT | TYPE_TEXT_VARIATION_PASSWORD;
passwordEntry.setInputType(inputType);
passwordEntry.setOnEditorActionListener(new OnEditorActionListener() {
public boolean onEditorAction(TextView v, int action, KeyEvent e) {
validatePassword(encrypted, passwordEntry.getText());
return true;
this.setContentView(R.layout.activity_password);
this.mSignInButton = (Button)findViewById(R.id.btn_sign_in);
this.mProgress = (ProgressBar)findViewById(R.id.progress_wheel);
this.mTitle = (TextView)findViewById(R.id.title_password);
this.mPassword = (EditText)findViewById(R.id.edit_password);
this.mPassword.setOnEditorActionListener(new OnEditorActionListener() {
@Override
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
if (actionId == EditorInfo.IME_ACTION_DONE) {
validatePassword(encrypted, PasswordActivity.this.mPassword.getText());
}
return false;
}
});
layout.addView(passwordEntry);
}
// Adjusting the padding of buttons and EditTexts has the wrong results
layout.addView(new FixedVerticalSpace(this));
@Override
protected void clearDbPrefs() {
super.clearDbPrefs();
this.delete(databaseConfig.getDatabaseDirectory());
this.gotoAndFinish(SetupActivity.class, RESULT_CANCELED);
}
signInButton = new Button(this);
signInButton.setLayoutParams(WRAP_WRAP);
signInButton.setText(R.string.sign_in_button);
signInButton.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
validatePassword(encrypted, passwordEntry.getText());
}
});
layout.addView(signInButton);
public void onSignInClick(View v) {
this.validatePassword(this.encrypted, this.mPassword.getText());
}
progress = new ProgressBar(this);
progress.setLayoutParams(WRAP_WRAP);
progress.setIndeterminate(true);
progress.setVisibility(GONE);
layout.addView(progress);
setContentView(layout);
public void onForgottenPasswordClick(View v) {
this.clearDbPrefs();
}
private void delete(File f) {
@@ -127,13 +88,10 @@ public class PasswordActivity extends RoboActivity {
}
private void validatePassword(final byte[] encrypted, Editable e) {
if (progress == null) return; // Not created yet
// Hide the soft keyboard
Object o = getSystemService(INPUT_METHOD_SERVICE);
((InputMethodManager) o).toggleSoftInput(HIDE_IMPLICIT_ONLY, 0);
this.hideSoftKeyboard();
// Replace the button with a progress bar
signInButton.setVisibility(GONE);
progress.setVisibility(VISIBLE);
this.mSignInButton.setVisibility(View.INVISIBLE);
this.mProgress.setVisibility(VISIBLE);
// Decrypt the database key in a background thread
final String password = e.toString();
cryptoExecutor.execute(new Runnable() {
@@ -152,10 +110,9 @@ public class PasswordActivity extends RoboActivity {
private void tryAgain() {
runOnUiThread(new Runnable() {
public void run() {
enterPassword.setText(R.string.try_again);
passwordEntry.setText("");
signInButton.setVisibility(VISIBLE);
progress.setVisibility(GONE);
PasswordActivity.this.mTitle.setText(R.string.try_again);
PasswordActivity.this.mSignInButton.setVisibility(VISIBLE);
PasswordActivity.this.mProgress.setVisibility(GONE);
}
});
}