Question

这是我的SplashActivity课程。 在我的Android应用中，我使用了启动画面。但是当闪屏消失时，在切换到主要活动之前，下一个屏幕变黑。那么，我该如何防止黑屏？

public class SplashScreen extends Activity {

RegisterGCM registerGCM;
private GpsTracker1 mGps;
boolean canLocate;
public static boolean appVisible = false;

public static String lat;

public static String lon;

public static String addr;

public static String addr1;

public static String city;

public static String state;

public static String pin;

public static String country;

public void onCreate(Bundle savedInstanceState)
{
    super.onCreate(savedInstanceState);
    setContentView(R.layout.splash_screen);

    this.mGps = new GpsTracker1(this);
    canLocate = mGps.canGetLocation();

    if (!canLocate)
    {
        this.mGps.showSettingsAlert();
    }
    else
    {
        getGpsInfo();
    }
}


public void getGpsInfo()
{
    registerGCM = new RegisterGCM(getApplicationContext());
    String regId = registerGCM.getRegistrationId();

    if (TextUtils.isEmpty(regId))
    {
        registerGCM.registerGCM();
    }


    lat = this.mGps.getLatitude();
    lon = this.mGps.getLongitude();
    addr = this.mGps.getAddress();
    addr1 = this.mGps.getAddress1();
    city = this.mGps.getCity();
    state = this.mGps.getState();
    pin = this.mGps.getPostalcode();
    country = this.mGps.getCountry();


    Thread timerThread = new Thread()
    {
        public void run()
        {
            try
            {
                sleep(2000);
            }
            catch(InterruptedException e)
            {
                e.printStackTrace();
            }
            finally
            {
                Intent intent = new Intent(SplashScreen.this, Category_Activity.class);
                startActivity(intent);
                finish();
            }
        }
    };
    timerThread.start();
}

@Override
public void onStart()
{
    super.onStart();
}

public void onStop()
{
    super.onStop();
}

public void onResume()
{
    super.onResume();
    appVisible = true;
}
public void onPause()
{
    super.onPause();
    appVisible = false;
}

}

Answer 1

为什么不发布runnable而不是阻止线程？

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.splash_screen);

    new Handler().postDelayed(new Runnable() {
        @Override
        public void run() {
            Intent intent = new Intent(SplashScreen.this, Category_Activity.class);
            startActivity(intent);
            finish();
        }
    }, 2000);

    // Other details
}

它在主线程中开始您的活动。

在我的Android应用程序中，随着闪屏消失，下一个屏幕变黑

1 个答案: