public class AndroidBug5497Workaround {

    // For more information, see https://code.google.com/p/android/issues/detail?id=5497
    // To use this class, simply invoke assistActivity() on an Activity that already has its content 

view set.

    public static void assistActivity (Activity activity) {
        new AndroidBug5497Workaround(activity);
    }
    private Activity activity;
    private View mChildOfContent;
    private int usableHeightPrevious;
    private FrameLayout.LayoutParams frameLayoutParams;

    private AndroidBug5497Workaround(Activity activity) {
        this.activity = activity;
        FrameLayout content = (FrameLayout) activity.findViewById(android.R.id.content);
        mChildOfContent = content.getChildAt(0);
        mChildOfContent.getViewTreeObserver().addOnGlobalLayoutListener(new 

ViewTreeObserver.OnGlobalLayoutListener() {
            public void onGlobalLayout() {
                possiblyResizeChildOfContent();
            }
        });
        frameLayoutParams = (FrameLayout.LayoutParams) mChildOfContent.getLayoutParams();
    }

    private void possiblyResizeChildOfContent() {
        int usableHeightNow = computeUsableHeight();
        LogUtils.e("possiblyResizeChildOfContent","usableHeightNow:"+usableHeightNow);
        LogUtils.e("possiblyResizeChildOfContent","usableHeightPrevious:"+usableHeightPrevious);
        if (usableHeightNow != usableHeightPrevious) {
            int usableHeightSansKeyboard = mChildOfContent.getRootView().getHeight();

            //這個判斷是為了解決19之前的版本不支援沉浸式狀態列導致佈局顯示不完全的問題
            if(Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT){
                Rect frame = new Rect();
                activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(frame);
                int statusBarHeight = frame.top;
                usableHeightSansKeyboard -= statusBarHeight;
            }
            int heightDifference = usableHeightSansKeyboard - usableHeightNow;
            if (heightDifference > (usableHeightSansKeyboard/4)) {
                // keyboard probably just became visible
                frameLayoutParams.height = usableHeightSansKeyboard - heightDifference;
            } else {
                // keyboard probably just became hidden
                frameLayoutParams.height = usableHeightSansKeyboard;
            }
            mChildOfContent.requestLayout();
            usableHeightPrevious = usableHeightNow;
        }
    }

    private int computeUsableHeight() {
        Rect frame = new Rect();
        activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(frame);
        int statusBarHeight = frame.top;

        Rect r = new Rect();
        mChildOfContent.getWindowVisibleDisplayFrame(r);

        //這個判斷是為了解決19之後的版本在彈出軟鍵盤時，鍵盤和推上去的佈局（adjustResize）之間有黑色區域

的問題
        if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT){
            return (r.bottom - r.top)+statusBarHeight;
        }

        return (r.bottom - r.top);
    }

}