Android判断屏幕开关状态

方法一：使用系统服务

PowerManager pm= (PowerManager) mContext.getSystemService(Context.POWER_SERVICE); if(!pm.isScreenOn()) { //熄屏状态 }

方法二：使用广播

public class ScreenReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { if (intent.getAction().equals(Intent.ACTION_SCREEN_OFF)) { //收到亮屏广播 } else if (intent.getAction().equals(Intent.ACTION_SCREEN_ON)) {//收到熄屏广播 } } }//注册广播ScreenReceiver sOnBroadcastReciver=new ScreenReceiver(); IntentFilter recevierFilter=new IntentFilter(); recevierFilter.addAction(Intent.ACTION_SCREEN_ON); recevierFilter.addAction(Intent.ACTION_SCREEN_OFF); registerReceiver(sOnBroadcastReciver, recevierFilter);//取消注册if(sOnBroadcastReciver!=null) { unregisterReceiver(sOnBroadcastReciver); }

注意：亮屏和熄屏广播只能通过动态注册才能收到。

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