android View 之间的时间延迟

Question

我不确定是什么阻止了它的工作。我的代码设置会导致 3 秒的时间延迟，但 View 无法正常工作，它保持黑色，然后在 3 秒后切换到下一个屏幕。我想，我正在做时间延迟，并且 Android 中还没有调用一些东西来显示布局......

public void onCreate(Bundle savedInstanceState)
{
    super.onCreate(savedInstanceState);     
    start = System.currentTimeMillis();
    setContentView(R.layout.team);
}

protected void onStart()
{
    super.onStart();        
    while(game)
    {
        now = System.currentTimeMillis();
        if (now - start >= 5000)
        {
            game = false;
            Intent about = new Intent(this, SplashScreen.class);
            startActivity(about);
        }
    }
}

Answer 1

我相信您想要实现一个延迟几秒钟的屏幕，然后启动您的主应用程序。就像主应用程序启动之前的启动屏幕一样，对吗？

那么这会对你有所帮助!

 /** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);
    /** set time to splash out */
    final int welcomeScreenDisplay = 4000;
    /** create a thread to show splash up to splash time */
    Thread welcomeThread = new Thread() {

    int wait = 0;

    @Override
    public void run() {
    try {
    super.run();
    /**
    * use while to get the splash time. Use sleep() to increase
    * the wait variable for every 100L.
    */
    while (wait < welcomeScreenDisplay) {
    sleep(100);
    wait += 100;
    }
    } catch (Exception e) {
    System.out.println("EXc=" + e);
    } finally {
    /**
    * Called after splash times up. Do some action after splash
    * times up. Here we moved to another main activity class
    */
    startActivity(new Intent(CurrentActivity.this, NextActivity.class));
    finish();
    }
    }
    };
    welcomeThread.start();
}

这是一个延迟 4 秒的屏幕。