折叠工具栏布局-全高图像并在开始时滚动

这是总体思路。 活动:

public void setupMovingBar(final Boolean full) {

    final Display dWidth = getWindowManager().getDefaultDisplay();

    appBarLayout.post(new Runnable() {
        @Override
        public void run() {
            int heightPx = dWidth.getHeight();
            if (!full) {
                heightPx = dWidth.getHeight() - (dWidth.getHeight() * 1 / 3);
            }

            setAppBarOffset(heightPx);

        }
    });
}


private void setAppBarOffset(int offsetPx) {
    CoordinatorLayout.LayoutParams params = (CoordinatorLayout.LayoutParams) appBarLayout.getLayoutParams();
    AppBarLayout.Behavior behavior = (AppBarLayout.Behavior) params.getBehavior();
    behavior.onNestedPreScroll(clContent, appBarLayout, null, 0, offsetPx, new int[]{0, 0});
}