Java tutorial
//package com.java2s; import java.util.Calendar; import android.app.AlarmManager; import android.app.PendingIntent; import android.content.Context; import android.content.Intent; public class Main { public static void setTimerReceiver(Context context, int repeat_time, Class<?> class_name) { AlarmManager alarm = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); Intent intentReceiver = new Intent(context, class_name); PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, intentReceiver, PendingIntent.FLAG_CANCEL_CURRENT); Calendar cal = Calendar.getInstance(); cal.add(Calendar.SECOND, repeat_time / 1000); // InexactRepeating allows Android to optimize the energy consumption alarm.setInexactRepeating(AlarmManager.RTC_WAKEUP, cal.getTimeInMillis(), repeat_time, pendingIntent); } }