BroadcastReceiver tickReceiver = new BroadcastReceiver(){
    @Override
    public void onReceive(Context context, Intent intent) {
        if(intent.getAction().compareTo(Intent.ACTION_TIME_TICK) == 0) {
            Log.v("Karl", "tick tock tick tock...");
        }
    }
};
registerReceiver(tickReceiver, new IntentFilter(Intent.ACTION_TIME_TICK)); // register the broadcast receiver to receive TIME_TICK

// unregister broadcast receiver, will get an error otherwise
if(tickReceiver!=null)
   unregisterReceiver(tickReceiver);

private BroadcastReceiver mTimeTickReceiver;

@Override
protected void onResume() {
    super.onResume();
    initClock();

    mTimeTickReceiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
            initClock();
        }
    };
    registerReceiver(mTimeTickReceiver, new IntentFilter(Intent.ACTION_TIME_TICK));
}

@Override
protected void onPause() {
    super.onPause();
    unregisterReceiver(mTimeTickReceiver);
}

Thread t = new Thread() {

  @Override
  public void run() {
    try {
      while (!isInterrupted()) {
        Thread.sleep(60000);
        runOnUiThread(new Runnable() {
          @Override
          public void run() {
            // updated my UI here
          }
        });
      }
    } catch (InterruptedException e) {
    }
  }
};

t.start();

public class AlarmReceiver extends BroadcastReceiver
{
    @Override
    public void onReceive(Context context, Intent intent) {
    // TODO Auto-generated method stub
    Log.e("alarmreceiver","called");

   }
}

<receiver android:name="AlarmReceiver" >
        <intent-filter>
            <action android:name="android.intent.action.BOOT_COMPLETED" />
        </intent-filter>
    </receiver>

Intent intent = new Intent(getApplicationContext(), AlarmReceiver.class);
        intent.setAction("packagename.ACTION");
        PendingIntent pendingIntent = PendingIntent.getBroadcast(getApplicationContext(),
                    0, intent, PendingIntent.FLAG_CANCEL_CURRENT);
        Calendar calendar = Calendar.getInstance();
        calendar.setTimeInMillis(System.currentTimeMillis());
                AlarmManager alarm = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
        alarm.cancel(pendingIntent);
        alarm.setRepeating(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), 1000*60, pendingIntent);