FrameLayout mFragmentHolder = createFragmentHolder(angle);
            mMainLayout.removeAllViews();
            mMainLayout.addView(mFragmentHolder);
            FragmentManager fm = getFragmentManager();
            mFragMain = new FragmentMain();
            FragmentTransaction ft = fm.beginTransaction();
            ft.add(mFragmentHolder.getId(), mFragMain);
            ft.commitAllowingStateLoss();

private FrameLayout createFragmentHolder(int angle) {

        FrameLayout layout = new FrameLayout(this);
        layout.setId(R.id.container);

        Point p = new Point();
        getWindowManager().getDefaultDisplay().getRealSize(p);

        int h = p.y;
        int w = p.x;

        LogUtil.d("size: " + h + " " + w);
        float delta = Math.abs(w - h);
        delta = delta / 2;
        FrameLayout.LayoutParams params = null;
        layout.setRotation(angle);
        if (angle == 0) {

            params = new FrameLayout.LayoutParams(w, h);
        } else if (angle == 90) {

            params = new FrameLayout.LayoutParams(h, w);
            layout.setPivotX((h / 2) + delta); // org +delta
            layout.setPivotY((w / 2));//+ delta
        } else if (angle == 180) {
            params = new FrameLayout.LayoutParams(w, h);
        } else if (angle == 270) {
            params = new FrameLayout.LayoutParams(h, w);
            layout.setPivotX((h / 2)); // org +delta
            layout.setPivotY((w / 2) - delta);//+ delta
        }
        layout.setLayoutParams(params);
        LogUtil.d("created view");
        return layout;
    }