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POAndroid AlarmManager setRepeating doesn't repeat with long interval
 

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  1. POAndroid AlarmManager setRepeating doesn't repeat with long interval
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    <p>I've implemented AlarmManager to wake the phone once a day to perform an update task, update widgets and send notifications if applicable.</p> <p>I'm using <code>setRepeating</code> and <code>ELAPSED_REALTIME_WAKEUP</code> The alarm is triggered the first time (<code>SystemClock.elapsedRealtime()+60000</code>) but it doesn't get triggered <code>86400000</code> milliseconds (24 hours) later.</p> <p>Really struggling with this, I'm happy to accept im doing something wrong or if there are better ways to achieve what I'm trying to do. However I think my code looks like the standard thing people seem to do.</p> <p>It's almost like the repeating alarm doesn't do what it says it should in all cases. If I reduce the interval to say 10 minutes it does work, my alarm triggers and the service is run over and over.</p> <p>The nature of my app means updating more than once a day is overkill. I need to find a realistic reliable solution to this.</p> <p>Thanks for your time &amp; hope you can point me in the right direction.</p> <p>Here's my alarm implementation code...</p> <p>Manifest:</p> <pre><code>&lt;receiver android:name=".SystemChangeReceiver"&gt; &lt;intent-filter&gt; &lt;action android:name="android.intent.action.BOOT_COMPLETED" /&gt; &lt;action android:name="android.intent.action.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE" /&gt; &lt;/intent-filter&gt; &lt;/receiver&gt; &lt;receiver android:name=".UpdateAlarmReceiver" /&gt; &lt;service android:name=".UpdateService" /&gt; &lt;receiver android:name=".WidgetProviderSmall" android:label="@string/widget_small_label"&gt; &lt;intent-filter&gt; &lt;action android:name="android.appwidget.action.APPWIDGET_UPDATE" /&gt; &lt;/intent-filter&gt; &lt;meta-data android:name="android.appwidget.provider" android:resource="@xml/appwidget_small" /&gt; &lt;/receiver&gt; &lt;receiver android:name=".WidgetProviderLarge" android:label="@string/widget_large_label"&gt; &lt;intent-filter&gt; &lt;action android:name="android.appwidget.action.APPWIDGET_UPDATE" /&gt; &lt;/intent-filter&gt; &lt;meta-data android:name="android.appwidget.provider" android:resource="@xml/appwidget_large" /&gt; &lt;/receiver&gt; </code></pre> <p><code>SystemChangeReceiver</code> listens for the boot broadcast, checks if an alarm needs to be set, if it does, it sets it.</p> <p><code>SystemChangeReceiver</code>:</p> <pre><code>@Override public void onReceive(Context context, Intent intent) { SharedPreferences prefs = context.getSharedPreferences(context.getString(R.string.prefs_name), 0); Boolean notifications = prefs.getBoolean("enable_updates", false); if(notifications == true) { Utils.setNotificationAlarm(context); } } </code></pre> <p>The setNotificationAlarm method, sets up the repeating alarm...</p> <pre><code>public static void setNotificationAlarm(Context context) { AlarmManager alarmManager=(AlarmManager)context.getSystemService(Context.ALARM_SERVICE); Intent intent = new Intent(context, UpdateAlarmReceiver.class); PendingIntent pi = PendingIntent.getBroadcast(context, 0, intent, 0); alarmManager.setRepeating( AlarmManager.ELAPSED_REALTIME_WAKEUP, SystemClock.elapsedRealtime()+60000, 86400000, pi); } </code></pre> <p>When the alarm triggers my receiver <code>UpdateAlarmReceiver</code> decides what to do and using <code>WakefulIntentService</code> runs my background update process, the handler for the service then updates widgets and sends notifications as required</p> <p><code>UpdateAlarmReceiver</code>:</p> <pre><code>public void onReceive(Context context, Intent intent) { WakefulIntentService.sendWakefulWork(context, UpdateService.class); } </code></pre>
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    1. COQuick question that may solve all of this: Do you use a task killer? Is your app on its whitelist?
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    2. COI'm actually using AutoKiller Memory Optimizer it doesn't have a whitelist this could be the issue? My app is running still though according the process list.
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