Remove lock screen notification setting.

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

@@ -327,9 +327,7 @@ class AndroidNotificationManagerImpl implements AndroidNotificationManager,
 					R.plurals.private_message_notification_text, contactTotal,
 					contactTotal));
 			b.setNumber(contactTotal);
-			boolean showOnLockScreen =
-					settings.getBoolean(PREF_NOTIFY_LOCK_SCREEN, false);
-			b.setLockscreenVisibility(CATEGORY_MESSAGE, showOnLockScreen);
+			b.setNotificationCategory(CATEGORY_MESSAGE);
 			if (mayAlertAgain) setAlertProperties(b);
 			setDeleteIntent(b, CONTACT_URI);
 			Set<ContactId> contacts = contactCounts.keySet();
@@ -431,9 +429,7 @@ class AndroidNotificationManagerImpl implements AndroidNotificationManager,
 					R.plurals.group_message_notification_text, groupTotal,
 					groupTotal));
 			b.setNumber(groupTotal);
-			boolean showOnLockScreen =
-					settings.getBoolean(PREF_NOTIFY_LOCK_SCREEN, false);
-			b.setLockscreenVisibility(CATEGORY_SOCIAL, showOnLockScreen);
+			b.setNotificationCategory(CATEGORY_SOCIAL);
 			if (mayAlertAgain) setAlertProperties(b);
 			setDeleteIntent(b, GROUP_URI);
 			Set<GroupId> groups = groupCounts.keySet();
@@ -504,9 +500,7 @@ class AndroidNotificationManagerImpl implements AndroidNotificationManager,
 					R.plurals.forum_post_notification_text, forumTotal,
 					forumTotal));
 			b.setNumber(forumTotal);
-			boolean showOnLockScreen =
-					settings.getBoolean(PREF_NOTIFY_LOCK_SCREEN, false);
-			b.setLockscreenVisibility(CATEGORY_SOCIAL, showOnLockScreen);
+			b.setNotificationCategory(CATEGORY_SOCIAL);
 			if (mayAlertAgain) setAlertProperties(b);
 			setDeleteIntent(b, FORUM_URI);
 			Set<GroupId> forums = forumCounts.keySet();
@@ -575,9 +569,7 @@ class AndroidNotificationManagerImpl implements AndroidNotificationManager,
 					R.plurals.blog_post_notification_text, blogTotal,
 					blogTotal));
 			b.setNumber(blogTotal);
-			boolean showOnLockScreen =
-					settings.getBoolean(PREF_NOTIFY_LOCK_SCREEN, false);
-			b.setLockscreenVisibility(CATEGORY_SOCIAL, showOnLockScreen);
+			b.setNotificationCategory(CATEGORY_SOCIAL);
 			if (mayAlertAgain) setAlertProperties(b);
 			setDeleteIntent(b, BLOG_URI);
 			// Touching the notification shows the combined blog feed
@@ -618,9 +610,7 @@ class AndroidNotificationManagerImpl implements AndroidNotificationManager,
 		b.setContentText(appContext.getResources().getQuantityString(
 				R.plurals.introduction_notification_text, introductionTotal,
 				introductionTotal));
-		boolean showOnLockScreen =
-				settings.getBoolean(PREF_NOTIFY_LOCK_SCREEN, false);
-		b.setLockscreenVisibility(CATEGORY_MESSAGE, showOnLockScreen);
+		b.setNotificationCategory(CATEGORY_MESSAGE);
 		setAlertProperties(b);
 		setDeleteIntent(b, INTRODUCTION_URI);
 		// Touching the notification shows the contact list

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

@@ -89,7 +89,6 @@ import static org.briarproject.briar.api.android.AndroidNotificationManager.GROU
 import static org.briarproject.briar.api.android.AndroidNotificationManager.PREF_NOTIFY_BLOG;
 import static org.briarproject.briar.api.android.AndroidNotificationManager.PREF_NOTIFY_FORUM;
 import static org.briarproject.briar.api.android.AndroidNotificationManager.PREF_NOTIFY_GROUP;
-import static org.briarproject.briar.api.android.AndroidNotificationManager.PREF_NOTIFY_LOCK_SCREEN;
 import static org.briarproject.briar.api.android.AndroidNotificationManager.PREF_NOTIFY_PRIVATE;
 import static org.briarproject.briar.api.android.AndroidNotificationManager.PREF_NOTIFY_RINGTONE_NAME;
 import static org.briarproject.briar.api.android.AndroidNotificationManager.PREF_NOTIFY_RINGTONE_URI;
@@ -127,7 +126,6 @@ public class SettingsFragment extends PreferenceFragmentCompat
 	private SwitchPreference notifyForumPosts;
 	private SwitchPreference notifyBlogPosts;
 	private SwitchPreference notifyVibration;
-	private SwitchPreference notifyLockscreen;
 
 	private Preference notifySound;
 
@@ -179,8 +177,6 @@ public class SettingsFragment extends PreferenceFragmentCompat
 				"pref_key_notify_blog_posts");
 		notifyVibration = (SwitchPreference) findPreference(
 				"pref_key_notify_vibration");
-		notifyLockscreen = (SwitchPreference) findPreference(
-				"pref_key_notify_lock_screen");
 		notifySound = findPreference("pref_key_notify_sound");
 
 		language.setOnPreferenceChangeListener(this);
@@ -207,10 +203,6 @@ public class SettingsFragment extends PreferenceFragmentCompat
 		torMobile.setOnPreferenceChangeListener(this);
 		screenLock.setOnPreferenceChangeListener(this);
 		screenLockTimeout.setOnPreferenceChangeListener(this);
-		if (SDK_INT >= 21) {
-			notifyLockscreen.setVisible(true);
-			notifyLockscreen.setOnPreferenceChangeListener(this);
-		}
 
 		findPreference("pref_key_send_feedback").setOnPreferenceClickListener(
 				preference -> {
@@ -380,8 +372,6 @@ public class SettingsFragment extends PreferenceFragmentCompat
 				notifyForumPosts.setOnPreferenceChangeListener(this);
 				notifyBlogPosts.setOnPreferenceChangeListener(this);
 				notifyVibration.setOnPreferenceChangeListener(this);
-				notifyLockscreen.setChecked(settings.getBoolean(
-						PREF_NOTIFY_LOCK_SCREEN, false));
 				notifySound.setOnPreferenceClickListener(
 						pref -> onNotificationSoundClicked());
 				String text;
@@ -409,7 +399,6 @@ public class SettingsFragment extends PreferenceFragmentCompat
 				setupNotificationPreference(notifyBlogPosts, BLOG_CHANNEL_ID,
 						R.string.notify_blog_posts_setting_summary_26);
 				notifyVibration.setVisible(false);
-				notifyLockscreen.setVisible(false);
 				notifySound.setVisible(false);
 			}
 			setSettingsEnabled(true);
@@ -432,7 +421,6 @@ public class SettingsFragment extends PreferenceFragmentCompat
 		notifyForumPosts.setEnabled(enabled);
 		notifyBlogPosts.setEnabled(enabled);
 		notifyVibration.setEnabled(enabled);
-		notifyLockscreen.setEnabled(enabled);
 		notifySound.setEnabled(enabled);
 	}
 
@@ -553,10 +541,6 @@ public class SettingsFragment extends PreferenceFragmentCompat
 			Settings s = new Settings();
 			s.putBoolean(PREF_NOTIFY_VIBRATION, (Boolean) newValue);
 			storeSettings(s);
-		} else if (preference == notifyLockscreen) {
-			Settings s = new Settings();
-			s.putBoolean(PREF_NOTIFY_LOCK_SCREEN, (Boolean) newValue);
-			storeSettings(s);
 		}
 		return true;
 	}

briar-android/src/main/java/org/briarproject/briar/android/util/BriarNotificationBuilder.java

 package org.briarproject.briar.android.util;
 
 import android.content.Context;
-import android.os.Build;
 import android.support.annotation.ColorRes;
 import android.support.v4.app.NotificationCompat;
 import android.support.v4.content.ContextCompat;
 
 import org.briarproject.briar.R;
 
+import static android.os.Build.VERSION.SDK_INT;
 import static android.support.v4.app.NotificationCompat.VISIBILITY_PRIVATE;
-import static android.support.v4.app.NotificationCompat.VISIBILITY_SECRET;
 
 
 public class BriarNotificationBuilder extends NotificationCompat.Builder {
@@ -22,6 +21,7 @@ public class BriarNotificationBuilder extends NotificationCompat.Builder {
 
 		setLights(ContextCompat.getColor(context, R.color.briar_green_light),
 				750, 500);
+		if (SDK_INT >= 21) setVisibility(VISIBILITY_PRIVATE);
 	}
 
 	public BriarNotificationBuilder setColorRes(@ColorRes int res) {
@@ -29,13 +29,8 @@ public class BriarNotificationBuilder extends NotificationCompat.Builder {
 		return this;
 	}
 
-	public BriarNotificationBuilder setLockscreenVisibility(String category,
-			boolean show) {
-		if (Build.VERSION.SDK_INT >= 21) {
-			setCategory(category);
-			if (show) setVisibility(VISIBILITY_PRIVATE);
-			else setVisibility(VISIBILITY_SECRET);
-		}
+	public BriarNotificationBuilder setNotificationCategory(String category) {
+		if (SDK_INT >= 21) setCategory(category);
 		return this;
 	}
 

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

@@ -21,7 +21,6 @@ public interface AndroidNotificationManager {
 	String PREF_NOTIFY_RINGTONE_NAME = "notifyRingtoneName";
 	String PREF_NOTIFY_RINGTONE_URI = "notifyRingtoneUri";
 	String PREF_NOTIFY_VIBRATION = "notifyVibration";
-	String PREF_NOTIFY_LOCK_SCREEN = "notifyLockScreen";
 
 	// Notification IDs
 	int ONGOING_NOTIFICATION_ID = 1;

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

@@ -421,8 +421,6 @@
 	<string name="notify_blog_posts_setting_summary">Show alerts for blog posts</string>
 	<string name="notify_blog_posts_setting_summary_26">Configure alerts for blog posts</string>
 	<string name="notify_vibration_setting">Vibrate</string>
-	<string name="notify_lock_screen_setting_title">Lock Screen</string>
-	<string name="notify_lock_screen_setting_summary">Show notifications on the lock screen</string>
 	<string name="notify_sound_setting">Sound</string>
 	<string name="notify_sound_setting_default">Default ringtone</string>
 	<string name="notify_sound_setting_disabled">None</string>

briar-android/src/main/res/xml/settings.xml

@@ -145,15 +145,6 @@
 			android:title="@string/notify_blog_posts_setting_title"
 			android:widgetLayout="@layout/preference_switch_compat"/>
 
-		<SwitchPreference
-			android:defaultValue="false"
-			android:key="pref_key_notify_lock_screen"
-			android:persistent="false"
-			android:summary="@string/notify_lock_screen_setting_summary"
-			android:title="@string/notify_lock_screen_setting_title"
-			android:visibility="gone"
-			android:widgetLayout="@layout/preference_switch_compat"/>
-
 		<SwitchPreference
 			android:defaultValue="true"
 			android:key="pref_key_notify_vibration"