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POAlarmManager Does not work when Activity in background
 

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    <p>In my App, I'm using AlarmManager for transmitting keep-alive every day once a day. I'm using the following code for starting athe AlaramManager</p> <pre><code> Calendar calendar = DateUtils .getNextKeepAliveTime(keepAliveHours, keepAliveMinutes); Intent intent = new Intent(this, AlarmReceiver.class); PendingIntent sender = PendingIntent.getBroadcast(getApplicationContext(), ALARM_REQUEST_CODE, intent, 0); // PendingIntent.FLAG_UPDATE_CURRENT); // Get the AlarmManager service Log.d(TAG, "cal: " + calendar.toString()); AlarmManager am = (AlarmManager) getSystemService(ALARM_SERVICE); long diff = calendar.getTimeInMillis() - System.currentTimeMillis(); if(diff &lt; 0) diff = AlarmManager.INTERVAL_FIFTEEN_MINUTES; am.setInexactRepeating(AlarmManager.RTC_WAKEUP, diff, AlarmManager.INTERVAL_DAY, sender); </code></pre> <p>When activity goes background, the receiver, AlarmReceiver, does not get any event. But it working successfully when activity in foreground. Ther receiver declaration in my manifest is -</p> <pre><code>&lt;receiver android:name="MainActivity$AlarmReceiver" android:enabled="true" /&gt; </code></pre> <p>The manifest is </p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; </code></pre> <p></p> <pre><code>&lt;uses-sdk android:minSdkVersion="8" android:targetSdkVersion="8" /&gt; &lt;uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /&gt; &lt;uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" /&gt; &lt;uses-permission android:name="android.permission.SEND_SMS" /&gt; &lt;uses-permission android:name="android.permission.WAKE_LOCK" /&gt; &lt;uses-permission android:name="android.permission.INTERNET" /&gt; &lt;application android:allowBackup="true" android:icon="@drawable/ic_launcher" android:label="@string/app_name" android:theme="@style/AppTheme" &gt; &lt;activity android:name="com.yachtdroid.ba.MainActivity" android:label="@string/app_name" android:launchMode="singleInstance" &gt; &lt;intent-filter&gt; &lt;action android:name="android.intent.action.MAIN" /&gt; &lt;category android:name="android.intent.category.LAUNCHER" /&gt; &lt;/intent-filter&gt; &lt;/activity&gt; &lt;activity android:name="com.yachtdroid.ba.ui.Settings" &gt; &lt;/activity&gt; &lt;receiver android:name="MainActivity$ChargingOnReceiver" android:enabled="true"&gt; &lt;intent-filter&gt; &lt;action android:name="android.intent.action.ACTION_POWER_CONNECTED" /&gt; &lt;action android:name="android.intent.action.ACTION_POWER_DISCONNECTED" /&gt; &lt;/intent-filter&gt; &lt;/receiver&gt; &lt;service android:name="com.yachtdroid.ba.services.MailSenderService" /&gt; &lt;service android:name="com.yachtdroid.ba.services.SmsSender" /&gt; &lt;activity android:name="com.yachtdroid.ba.ui.YDSiteView" /&gt; &lt;activity android:name="com.yachtdroid.ba.ui.BatteryAlertDialog" android:theme="@style/NoTitleDialog" /&gt; &lt;activity android:name="com.yachtdroid.ba.ui.ActivityLog" android:theme="@style/NoTitleDialog" /&gt; &lt;receiver android:name="MainActivity$AlarmReceiver" android:enabled="true" /&gt; &lt;!-- intent-filter&gt; &lt;action android:name="alarm_action"/&gt; &lt;/intent-filter&gt; &lt;/receiver --&gt; &lt;/application&gt; </code></pre> <p></p> <p>The receiver code is </p> <pre><code> public static class AlarmReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { Log.d(TAG, intent.getExtras().toString()); if (!inForeground) { Log.d(TAG, "*** Move app to front!"); Intent it = new Intent("intent.my.action"); it.setComponent(new ComponentName(context.getPackageName(), MainActivity.class.getName())); it.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TOP); context.getApplicationContext().startActivity(it); } try { Toast.makeText(context, "alarm message", Toast.LENGTH_SHORT).show(); MainActivity.instance.sendKeepALive(); } catch (Exception e) { Toast.makeText( context, "There was an error somewhere, but we still received an alarm", Toast.LENGTH_SHORT).show(); e.printStackTrace(); } } } </code></pre> <p>How it can be solved? Thanks, Eyal.</p>
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    1. USeyal
    1. USeyal
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    1. COAre you sure that the receiver isn't getting called? How do you know? Post the code from your `AlarmReceiver` class and your manifest.
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      1. POAlarmManager Does not work when Activity in background
      1. USDavid Wasser
    2. COHi David, I'm using debugger for this purpose, I also insert a Toast in the receiver and Log to a log file. I'm using the following command in my manifest - <receiver android:name="MainActivity$AlarmReceiver" android:enabled="true" />
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      1. POAlarmManager Does not work when Activity in background
      1. USeyal
    3. COPlease post the code for your `onReceive()`. Not in a comment, just edit your question. You can also put the manifest entry in there as well.
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      1. POAlarmManager Does not work when Activity in background
      1. USDavid Wasser
 

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