030android初级篇之android应用的启动界面

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@drawable/login_app">

</LinearLayout>

public class SplashActivity extends Activity {

    private static final long SPLASH_DELAY_MILLIS = 5000;
    private  boolean  isLogined = false;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT){
            setTranslucentStatus(true);
            SystemBarTintManager tintManager = new SystemBarTintManager(this);
            tintManager.setStatusBarTintEnabled(true);
            tintManager.setStatusBarTintResource(R.color.transparent);//通知栏所需颜色
        }
        setContentView(R.layout.splash);

        new Thread(new Runnable() {
            @Override
            public void run() {
                long start = System.currentTimeMillis();
                if(!isLogined) {
                    //准备工作

                    isLogined = true;
                }
                long costTime = System.currentTimeMillis() - start;

                if(costTime -SPLASH_DELAY_MILLIS >0) {
                    goHome();
                } else {
                    new Handler().postDelayed(new Runnable() {
                        public void run() {
                            goHome();
                        }
                    }, SPLASH_DELAY_MILLIS-costTime);
                }
            }
        }).run();

    }

    @TargetApi(19)
    private void setTranslucentStatus(boolean on) {
        Window win = getWindow();
        WindowManager.LayoutParams winParams = win.getAttributes();
        final int bits = WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS;
        if (on) {
            winParams.flags |= bits;
        } else {
            winParams.flags &= ~bits;
        }
        win.setAttributes(winParams);
    }

    /*
    @Override
    public  void onResume(){
        super.onResume();
        goHome();
    }
    */

    private void goHome() {
        Intent intent = new Intent(SplashActivity.this, EnterList.class);
        //startActivity(intent);
       // finish();
    }
}