android-activity - getDecorView 方法返回 View 包括 Lollipop 上的导航栏 View ？

Question

我用 SlidingMenu实现我的滑入式菜单。

代码是

private void initSlidingMenu()
{
    // configure the SlidingMenu
    menu = new SlidingMenu(this);
    menu.setMode(SlidingMenu.LEFT);
    menu.setTouchModeAbove(SlidingMenu.TOUCHMODE_FULLSCREEN);
    menu.setShadowWidthRes(R.dimen.shadow_width);
    //        menu.setShadowDrawable(R.drawable.shadoew);
    menu.setBehindOffsetRes(R.dimen.slidingmenu_offset);
    //        menu.setFadeDegree(0.35f);
    menu.attachToActivity(this, SlidingMenu.SLIDING_WINDOW);
    menu.setMenu(R.layout.menu_main_sliding);
}

然后我遇到了一个问题是我在导航栏后面的布局。


我将 SlidingMenu.SLIDING_WINDOW 更改为 SlidingMenu.SLIDING_CONTENT。
它的工作原理，但操作栏总是在顶部。

查看SlidingMenu的源代码，我发现这段代码添加了slidingmenu。

    switch (slideStyle) {
    case SLIDING_WINDOW:
        mActionbarOverlay = false;
        ViewGroup decor = (ViewGroup) activity.getWindow().getDecorView();
        ViewGroup decorChild = (ViewGroup) decor.getChildAt(0);
        // save ActionBar themes that have transparent assets
        decorChild.setBackgroundResource(background);
        decor.removeView(decorChild);
        decor.addView(this);
        setContent(decorChild);
        break;
    case SLIDING_CONTENT:
        mActionbarOverlay = actionbarOverlay;
        // take the above view out of
        ViewGroup contentParent = (ViewGroup)activity.findViewById(android.R.id.content);
        View content = contentParent.getChildAt(0);
        contentParent.removeView(content);
        contentParent.addView(this);
        setContent(content);
        // save people from having transparent backgrounds
        if (content.getBackground() == null)
            content.setBackgroundResource(background);
        break;
    }

我该如何解决？
此错误仅在 Android 5.0 Lollipop 中发现。

Answer 1

GitHub 上的 SlidingMenu 已打开相同 issue .

private int getNavigationBarHeight() { 
    Resources resources = getResources();
    int resourceId = resources.getIdentifier("navigation_bar_height", "dimen", "android");
    if (resourceId > 0) {
        return resources.getDimensionPixelSize(resourceId);
    } 
    return 0; 
} 

@Override 
public void onCreate(Bundle savedInstanceState) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        int navBarHeight = getNavigationBarHeight();
        findViewById(R.id.base_frame).setPadding(0, 0, 0, navBarHeight);
        findViewById(R.id.menu_frame).setPadding(0, 0, 0, navBarHeight);
    } 
}