Add silent mode for Android

Fixes issue #39 and #48

CHANGELOG.md

@@ -1,4 +1,7 @@
 ## ChangeLog
+#### Version 0.6.3 (not yet released)
+- [feature:] Silent mode for Android
+
 #### Version 0.6.2 (14.12.2014)
 - [bugfix:] Type error
 - [bugfix:] Wrong default values for `isEnabled` and `isActive`.

README.md

@@ -68,16 +68,13 @@ More informations can be found [here][PGB_plugin].
 
 
 ## ChangeLog
+#### Version 0.6.3 (not yet released)
+- [feature:] Silent mode for Android
+
 #### Version 0.6.2 (14.12.2014)
 - [bugfix:] Type error
 - [bugfix:] Wrong default values for `isEnabled` and `isActive`.
 
-#### Version 0.6.1 (14.12.2014)
-- [enhancement:] Set default settings through `setDefaults`.
-- [enhancement:] New method `isEnabled` to receive if mode is enabled.
-- [enhancement:] New method `isActive` to receive if mode is active.
-- [bugfix:] Events caused thread collision.
-
 #### Further informations
 - The former `plugin.backgroundMode` namespace has been deprecated and will be removed with the next major release.
 - See [CHANGELOG.md][changelog] to get the full changelog for the plugin.
@@ -229,6 +226,15 @@ cordova.plugins.backgroundMode.configure({
 })
 ```
 
+#### Run in background without notification
+In silent mode the plugin will not display a notification - which is not the default. Be aware that Android recommends adding a notification otherwise the OS may pause the app.
+
+```javascript
+cordova.plugins.backgroundMode.configure({
+    silent: true
+})
+```
+
 
 ## Contributing
 

src/android/ForegroundService.java

@@ -36,6 +36,7 @@ import android.content.res.Resources;
 import android.os.Build;
 import android.os.Handler;
 import android.os.IBinder;
+import android.util.Log;
 
 /**
  * Puts the service in a foreground state, where the system considers it to be
@@ -84,7 +85,11 @@ public class ForegroundService extends Service {
     public void keepAwake() {
         final Handler handler = new Handler();
 
+        if (!this.inSilentMode()) {
             startForeground(NOTIFICATION_ID, makeNotification());
+        } else {
+            Log.w("BackgroundMode", "In silent mode app may be paused by OS!");
+        }
 
         BackgroundMode.deleteUpdateSettings();
 
@@ -170,4 +175,16 @@ public class ForegroundService extends Service {
 
         return resId;
     }
+
+    /**
+     * In silent mode no notification has to be added.
+     *
+     * @return
+     *      True if silent: was set to true
+     */
+    private boolean inSilentMode() {
+        JSONObject settings = BackgroundMode.getSettings();
+
+        return settings.optBoolean("silent", false);
+    }
 }

www/background-mode.js

@@ -64,7 +64,8 @@ exports._defaults = {
     title:  'App is running in background',
     text:   'Doing heavy tasks.',
     ticker: 'App is running in background',
-    resume: true
+    resume: true,
+    silent: false
 };