android 判断屏幕是否关闭

public void onCreate(Bundle savedInstanceState) {

final IntentFilter filter = new IntentFilter(); filter.addAction(Intent.ACTION_SCREEN_OFF); filter.addAction(Intent.ACTION_SCREEN_ON); registerReceiver(mBatInfoReceiver, filter); }

private final BroadcastReceiver mBatInfoReceiver = new BroadcastReceiver() { @Override public void onReceive(final Context context, final Intent intent) { final String action = intent.getAction(); if(Intent.ACTION_SCREEN_ON.equals(action)){ Log.d(TAG, "-----------------screen is on..."); }else if(Intent.ACTION_SCREEN_OFF.equals(action)){ Log.d(TAG, "----------------- screen is off..."); } } };