android 自定义锁屏 代码,android – 唤醒时自定义锁定屏幕延迟

我正在尝试制作一个自定义锁屏应用程序,但我不确定我是否正确地使用它.我有一个广播接收器,可以在屏幕打开时收听并启动我的锁屏活动.此接收器在服务中注册,该服务还禁用默认锁定屏幕.

问题是,屏幕打开和锁定屏幕活动显示之间有一点延迟.我该怎么做才能立刻出现？

我的服务代码：

@Override

public void onCreate() {

super.onCreate();

IntentFilter filter = new IntentFilter(Intent.ACTION_SCREEN_ON);

filter.addAction(Intent.ACTION_SCREEN_OFF);

BroadcastReceiver powerReceiver = new PowerReceiver();

registerReceiver(powerReceiver, filter);

}

@Override

public int onStartCommand(Intent intent, int flags, int startId) {

KeyguardManager keyguardManager = (KeyguardManager)getSystemService(Service.KEYGUARD_SERVICE);

KeyguardLock lock = keyguardManager.newKeyguardLock(KEYGUARD_SERVICE);

lock.disableKeyguard();

return Service.START_STICKY;

}

@Override

public IBinder onBind(Intent intent) {

return null;

}

和接收者：

@Override

public void onReceive(Context context, Intent intent) {

if (intent.getAction().equals(Intent.ACTION_SCREEN_ON)) {

Intent showScreen = new Intent(context, LockScreen.class);

showScreen.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

context.startActivity(showScreen);

}

}