【发布时间】:2016-01-18 03:58:29
【问题描述】:
我是开发android应用程序的新手,我正在尝试检查会话是否已登录,如果用户已登录,则不应显示启动画面,但如果用户未登录,则应显示启动画面屏幕 3 秒。
但是启动画面一直在显示,所以我认为我在 If/Else 方面做错了,希望有人可以帮助我:)
public class SplashScreen extends Activity {
// Splash screen timer
private static int SPLASH_TIME_OUT = 3000;
private SessionManager session;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Session manager
session = new SessionManager(getApplicationContext());
// Check if user is already logged in or not
if (session.isLoggedIn()) {
// User is already logged in. Take him to main activity
new Handler().postDelayed(new Runnable() {
/*
* Showing splash screen with a timer. This will be useful when you
* want to show case your app logo / company
*/
@Override
public void run() {
// This method will be executed once the timer is over
// Start your app login activity
Intent i = new Intent(SplashScreen.this, LoginActivity.class);
startActivity(i);
// close this activity
finish();
}
}, SPLASH_TIME_OUT); } else {
setContentView(R.layout.splash_screen);
}
}
}
【问题讨论】:
-
你可以换个角度想。在您检查他们的登录状态时,如果他们已登录,请显示/隐藏您想要的布局元素,这些元素会产生飞溅效果并保持您的处理程序不变。如果他们未登录,则启动流程中的下一个活动并
finish()当前活动以将其关闭。
标签: java android splash-screen