How to use Alarm Manager and Broadcast Receiver in Android

In this Android Atrical, How to use Alarm Manager and Broadcast Receiver in Android. here I have also used an android service for creating an android Alarm Tutorial for android development. and also show android alarm notifications. here I am user android background service and android Broadcast receiver to start an alarm.

Android Service:- Android service is a component that is used to perform operations on the background.

Alarm Manager and Broadcast Receiver in Android.

AlarmManager manager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
Intent alarmIntent = new Intent(context, MyAlarmReceiver.class); 
PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, alarmIntent, 0);
int interval = 5000; 
manager.setInexactRepeating(AlarmManager.RTC_WAKEUP, System.currentTimeMillis(), interval, pendingIntent);

Android different types of Alarm Manager :

setInExactAndRepeating — This doesn’t trigger the alarm at the exact time.
setExact — Setting an alarm manager using this ensures that the OS triggers the alarm on the exact time.
setExactAndAllowWhileIdle — This method can be used with Android 6 M. These alarms are allowed to get executed even in low power modes.

Let,s Start On Development Of Example.

• Add permission and service in AndroidManifest.xml.
• Android Create UI For Alarm App two-button Start and Stop.
• Start a Server and mange in home.java class.
• Create a MyBroadcastReceiver.java class

Step: 1 Add permission and service in AndroidManifest.xml

firstly you can add android user permission in the android app for an alarm App. used a receive boot completed user permission in the Android manifest file.

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