android 闪屏页面

 @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_splash);

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            Window window = getWindow();
            View decorView = window.getDecorView();
            decorView.setOnApplyWindowInsetsListener(new View.OnApplyWindowInsetsListener() {
                @TargetApi(Build.VERSION_CODES.KITKAT_WATCH)
                @Override
                public WindowInsets onApplyWindowInsets(View v, WindowInsets insets) {
                    WindowInsets defaultInsets = v.onApplyWindowInsets(insets);
                    return defaultInsets.replaceSystemWindowInsets(
                            defaultInsets.getSystemWindowInsetLeft(),
                            0,
                            defaultInsets.getSystemWindowInsetRight(),
                            defaultInsets.getSystemWindowInsetBottom());
                }
            });
            ViewCompat.requestApplyInsets(decorView);
            //将状态栏设成透明，如不想透明可设置其他颜色
            window.setStatusBarColor(ContextCompat.getColor(this, android.R.color.transparent));
        }
        registerMessageReceiver();  // used for receive msg
        ARouter.getInstance().build(RouterConfig.CURRENT_MAIN).navigation();
        finish();

    }