android 判斷屏幕是否關閉


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...");  
   
           }  
        }  

    }; 


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