Android 监听屏幕唤醒、关闭和解锁的广播

public class ScreenBroadcastReceiver extends BroadcastReceiver {
private static final String TAG = ScreenBroadcastReceiver.class.getSimpleName();
private boolean isRegisterReceiver = false;

@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (Intent.ACTION_SCREEN_ON.equals(action)) {
// 开屏
Log.i(TAG, "onReceive: 1");
SocketUtils.getInstance().sendJsonMessage(new Type(1), JsonUtils.INITIAL_STATE);
} else if (Intent.ACTION_SCREEN_OFF.equals(action)) {
// 锁屏
Log.i(TAG, "onReceive: 2");
} else if (Intent.ACTION_USER_PRESENT.equals(action)) {
// 解锁
Log.i(TAG, "onReceive: 3");
}
}

public void registerScreenBroadcastReceiver(Context mContext) {
if (!isRegisterReceiver) {
isRegisterReceiver = true;
IntentFilter filter = new IntentFilter();
filter.addAction(Intent.ACTION_SCREEN_OFF);
filter.addAction(Intent.ACTION_SCREEN_ON);
filter.addAction(Intent.ACTION_USER_PRESENT);
mContext.registerReceiver(ScreenBroadcastReceiver.this, filter);
}
}

public void unRegisterScreenBroadcastReceiver(Context mContext) {
if (isRegisterReceiver) {
isRegisterReceiver = false;
mContext.unregisterReceiver(ScreenBroadcastReceiver.this);
}
}
}

@Override
public void onCreate() {
super.onCreate();
if (mScreenReceiver == null) {
mScreenReceiver = new ScreenBroadcastReceiver();
mScreenReceiver.registerScreenBroadcastReceiver(this);
}
}

@Override
protected void onDestroy() {
super.onDestroy();
mScreenReceiver.unRegisterScreenBroadcastReceiver(this);
}