protected void setContentViewVisibility(boolean show) {
        if (hideContentView || hideActivityContentView) {
            if (show) {
                if (contentView != null && contentView.get() != null) {
                    contentView.get().setVisibility(VISIBLE);
                }
            } else {
                View userContentView = Objects.requireNonNull(getDecorView()).getChildAt(0);
                if (userContentView != null) {
                    userContentView.setVisibility(GONE);
                    contentView = new WeakReference<>(userContentView);
                }
            }
        }
    }
@author: Kongzue
@github: https://github.com/kongzue/
@homepage: http://kongzue.com/
@mail: myzcxhh@live.cn
@createTime: 2019/11/17 23:53
DialogX/src/main/java/com/kongzue/dialogx/util/views/ActivityScreenShotImageView.java