mobile application for iphone

registerReceiver( batteryReceiver, new IntentFilter(Intent.ACTION_BATTERY_CHANGED) );


private BroadcastReceiver batteryReceiver = new BroadcastReceiver() {
@Override
public void onReceive( Context context, Intent intent )
{
int level = intent.getIntExtra( "level", 0 );
//do what ever you want with level
// check it or call UI update routine
}
}