Merge branch '47-sign-in-reminder' into 'master'

Remind the user to sign in

See merge request briar/briar!841

briar-android/artwork/notification_ongoing.svg

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+     inkscape:connector-curvature="0" /></svg>

briar-android/artwork/notification_reminder.svg

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+     style="display:inline;fill:#ffffff;stroke-width:0.07272727"
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briar-android/src/main/AndroidManifest.xml

@@ -14,6 +14,7 @@
 	<uses-permission android:name="android.permission.INTERNET" />
 	<uses-permission android:name="android.permission.VIBRATE" />
 	<uses-permission android:name="android.permission.WAKE_LOCK" />
+	<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
 	<uses-permission-sdk-23 android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS"/>
 
 	<application
@@ -24,6 +25,14 @@
 		android:logo="@mipmap/ic_launcher_round"
 		android:theme="@style/BriarTheme">
 
+		<receiver
+			android:name="org.briarproject.briar.android.BootReceiver"
+			android:exported="false">
+			<intent-filter>
+				<action android:name="android.intent.action.BOOT_COMPLETED"/>
+			</intent-filter>
+		</receiver>
+
 		<service
 			android:name="org.briarproject.briar.android.BriarService"
 			android:exported="false">

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

@@ -150,6 +150,8 @@ public interface AndroidComponent
 	@IoExecutor
 	Executor ioExecutor();
 
+	void inject(BootReceiver briarService);
+
 	void inject(BriarService briarService);
 
 	void inject(BriarReportSender briarReportSender);

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

@@ -85,13 +85,6 @@ import static org.briarproject.briar.android.settings.SettingsFragment.SETTINGS_
 class AndroidNotificationManagerImpl implements AndroidNotificationManager,
 		Service, EventListener {
 
-	// Notification IDs
-	private static final int PRIVATE_MESSAGE_NOTIFICATION_ID = 3;
-	private static final int GROUP_MESSAGE_NOTIFICATION_ID = 4;
-	private static final int FORUM_POST_NOTIFICATION_ID = 5;
-	private static final int BLOG_POST_NOTIFICATION_ID = 6;
-	private static final int INTRODUCTION_SUCCESS_NOTIFICATION_ID = 7;
-
 	private static final long SOUND_DELAY = TimeUnit.SECONDS.toMillis(2);
 
 	private static final Logger LOG =

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

+package org.briarproject.briar.android;
+
+import android.app.NotificationChannel;
+import android.app.NotificationManager;
+import android.app.PendingIntent;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.support.v4.app.NotificationCompat;
+import android.support.v4.content.ContextCompat;
+
+import org.briarproject.bramble.api.db.DatabaseConfig;
+import org.briarproject.briar.R;
+import org.briarproject.briar.android.navdrawer.NavDrawerActivity;
+
+import javax.inject.Inject;
+
+import static android.app.NotificationManager.IMPORTANCE_LOW;
+import static android.content.Context.NOTIFICATION_SERVICE;
+import static android.content.Intent.ACTION_BOOT_COMPLETED;
+import static android.content.Intent.FLAG_ACTIVITY_CLEAR_TOP;
+import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
+import static android.os.Build.VERSION.SDK_INT;
+import static android.support.v4.app.NotificationCompat.PRIORITY_LOW;
+import static android.support.v4.app.NotificationCompat.VISIBILITY_SECRET;
+import static org.briarproject.briar.android.TestingConstants.FEATURE_FLAG_SIGN_IN_REMINDER;
+import static org.briarproject.briar.api.android.AndroidNotificationManager.REMINDER_CHANNEL_ID;
+import static org.briarproject.briar.api.android.AndroidNotificationManager.REMINDER_NOTIFICATION_ID;
+
+public class BootReceiver extends BroadcastReceiver {
+
+	@Inject
+	DatabaseConfig databaseConfig;
+
+	@Override
+	public void onReceive(Context ctx, Intent intent) {
+		if (!FEATURE_FLAG_SIGN_IN_REMINDER) return;
+
+		AndroidComponent applicationComponent =
+				((BriarApplication) ctx.getApplicationContext())
+						.getApplicationComponent();
+		applicationComponent.inject(this);
+
+		String action = intent.getAction();
+		if (action != null && action.equals(ACTION_BOOT_COMPLETED)) {
+			if (databaseConfig.databaseExists()) {
+				showSignInNotification(ctx);
+			}
+		}
+	}
+
+	private void showSignInNotification(Context ctx) {
+		NotificationManager nm = (NotificationManager)
+				ctx.getSystemService(NOTIFICATION_SERVICE);
+		if (nm == null) return;
+
+		if (SDK_INT >= 26) {
+			NotificationChannel channel =
+					new NotificationChannel(REMINDER_CHANNEL_ID, ctx.getString(
+							R.string.reminder_notification_channel_title),
+							IMPORTANCE_LOW);
+			channel.setLockscreenVisibility(VISIBILITY_SECRET);
+			nm.createNotificationChannel(channel);
+		}
+
+		NotificationCompat.Builder b =
+				new NotificationCompat.Builder(ctx, REMINDER_CHANNEL_ID);
+		b.setSmallIcon(R.drawable.notification_reminder);
+		b.setColor(ContextCompat.getColor(ctx, R.color.briar_primary));
+		b.setContentTitle(ctx.getText(R.string.reminder_notification_title));
+		b.setContentText(ctx.getText(R.string.reminder_notification_text));
+		b.setAutoCancel(true);
+		b.setWhen(0); // Don't show the time
+		b.setPriority(PRIORITY_LOW);
+
+		Intent i = new Intent(ctx, NavDrawerActivity.class);
+		i.setFlags(FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_CLEAR_TOP);
+		b.setContentIntent(PendingIntent.getActivity(ctx, 0, i, 0));
+
+		nm.notify(REMINDER_NOTIFICATION_ID, b.build());
+	}
+
+}

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

@@ -50,6 +50,11 @@ import static java.util.logging.Level.INFO;
 import static java.util.logging.Level.WARNING;
 import static org.briarproject.bramble.api.lifecycle.LifecycleManager.StartResult.ALREADY_RUNNING;
 import static org.briarproject.bramble.api.lifecycle.LifecycleManager.StartResult.SUCCESS;
+import static org.briarproject.briar.api.android.AndroidNotificationManager.FAILURE_CHANNEL_ID;
+import static org.briarproject.briar.api.android.AndroidNotificationManager.FAILURE_NOTIFICATION_ID;
+import static org.briarproject.briar.api.android.AndroidNotificationManager.ONGOING_CHANNEL_ID;
+import static org.briarproject.briar.api.android.AndroidNotificationManager.ONGOING_NOTIFICATION_ID;
+import static org.briarproject.briar.api.android.AndroidNotificationManager.REMINDER_NOTIFICATION_ID;
 
 public class BriarService extends Service {
 
@@ -60,14 +65,6 @@ public class BriarService extends Service {
 	public static String EXTRA_STARTUP_FAILED =
 			"org.briarproject.briar.STARTUP_FAILED";
 
-	private static final int ONGOING_NOTIFICATION_ID = 1;
-	private static final int FAILURE_NOTIFICATION_ID = 2;
-
-	// Channels are sorted by channel ID in the Settings app, so use IDs
-	// that will sort below the main channels such as contacts
-	private static final String ONGOING_CHANNEL_ID = "zForegroundService";
-	private static final String FAILURE_CHANNEL_ID = "zStartupFailure";
-
 	private static final Logger LOG =
 			Logger.getLogger(BriarService.class.getName());
 
@@ -106,9 +103,9 @@ public class BriarService extends Service {
 		}
 
 		// Create notification channels
+		NotificationManager nm = (NotificationManager)
+				getSystemService(NOTIFICATION_SERVICE);
 		if (SDK_INT >= 26) {
-			NotificationManager nm = (NotificationManager)
-					getSystemService(NOTIFICATION_SERVICE);
 			NotificationChannel ongoingChannel = new NotificationChannel(
 					ONGOING_CHANNEL_ID,
 					getString(R.string.ongoing_notification_title),
@@ -140,6 +137,8 @@ public class BriarService extends Service {
 		}
 		b.setPriority(PRIORITY_MIN);
 		startForeground(ONGOING_NOTIFICATION_ID, b.build());
+		// Remove sign-in reminder notification
+		nm.cancel(REMINDER_NOTIFICATION_ID);
 		// Start the services in a background thread
 		new Thread(() -> {
 			String nickname = databaseConfig.getLocalAuthorName();

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

@@ -35,4 +35,9 @@ public interface TestingConstants {
 	 * Feature flag for enabling the dark UI theme in release builds.
 	 */
 	boolean FEATURE_FLAG_DARK_THEME = false;
+
+	/**
+	 * Feature flag for enabling the sign-in reminder in release builds.
+	 */
+	boolean FEATURE_FLAG_SIGN_IN_REMINDER = IS_DEBUG_BUILD;
 }

briar-android/src/main/java/org/briarproject/briar/api/android/AndroidNotificationManager.java

@@ -21,11 +21,26 @@ public interface AndroidNotificationManager {
 	String PREF_NOTIFY_VIBRATION = "notifyVibration";
 	String PREF_NOTIFY_LOCK_SCREEN = "notifyLockScreen";
 
+	// Notification IDs
+	int ONGOING_NOTIFICATION_ID = 1;
+	int FAILURE_NOTIFICATION_ID = 2;
+	int REMINDER_NOTIFICATION_ID = 3;
+	int PRIVATE_MESSAGE_NOTIFICATION_ID = 4;
+	int GROUP_MESSAGE_NOTIFICATION_ID = 5;
+	int FORUM_POST_NOTIFICATION_ID = 6;
+	int BLOG_POST_NOTIFICATION_ID = 7;
+	int INTRODUCTION_SUCCESS_NOTIFICATION_ID = 8;
+
 	// Channel IDs
 	String CONTACT_CHANNEL_ID = "contacts";
 	String GROUP_CHANNEL_ID = "groups";
 	String FORUM_CHANNEL_ID = "forums";
 	String BLOG_CHANNEL_ID = "blogs";
+	// Channels are sorted by channel ID in the Settings app, so use IDs
+	// that will sort below the main channels such as contacts
+	String ONGOING_CHANNEL_ID = "zForegroundService";
+	String FAILURE_CHANNEL_ID = "zStartupFailure";
+	String REMINDER_CHANNEL_ID = "zSignInReminder";
 
 	// Content URIs for pending intents
 	String CONTACT_URI = "content://org.briarproject.briar/contact";

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

+<?xml version="1.0" encoding="utf-8"?>
+<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"
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+</vector>
\ No newline at end of file

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

@@ -68,6 +68,9 @@
 	<string name="transport_lan">Wi-Fi</string>
 
 	<!-- Notifications -->
+	<string name="reminder_notification_title">Signed out of Briar</string>
+	<string name="reminder_notification_text">Tap to sign back in or swipe to dismiss.</string>
+	<string name="reminder_notification_channel_title">Briar Sign-in Reminder</string>
 	<string name="ongoing_notification_title">Signed into Briar</string>
 	<string name="ongoing_notification_text">Touch to open Briar.</string>
 	<plurals name="private_message_notification_text">