Android examples for Android OS:Alarm Set Up
set Alarm by hour of day and minute
import android.app.AlarmManager; import android.app.PendingIntent; import android.content.Context; import android.content.Intent; import android.util.Log; import java.util.Calendar; public class Main{ public static void setAlarm(Context context, int hourOfDay, int minute) { Calendar calendar = prepareCalendar(hourOfDay, minute); setAlarmManager(context, calendar); }/*w ww .ja v a 2 s .c o m*/ private static Calendar prepareCalendar(int hourOfDay, int minute) { Calendar calNow = Calendar.getInstance(); Calendar calSet = (Calendar) calNow.clone(); calSet.set(Calendar.HOUR_OF_DAY, hourOfDay); calSet.set(Calendar.MINUTE, minute); calSet.set(Calendar.SECOND, 0); calSet.set(Calendar.MILLISECOND, 0); if (calSet.compareTo(calNow) <= 0) { // Today Set time passed, count to tomorrow calSet.add(Calendar.DATE, 1); } return calSet; } private static void setAlarmManager(Context context, Calendar targetCal) { Log.d("alarm", "Alarm is set " + targetCal.getTime() + "\n" + "***\n"); Intent intent = new Intent(context, AlarmSnoozeApp.class); PendingIntent pendingIntent = PendingIntent.getActivity(context, 0, intent, PendingIntent.FLAG_ONE_SHOT); AlarmManager alarmManager = (AlarmManager) context .getSystemService(Context.ALARM_SERVICE); alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, targetCal.getTimeInMillis(), AlarmManager.INTERVAL_DAY, pendingIntent); } }