Android 如何避免滚动时循环视图抖动?
当用户滚动recyclerview时,我希望在向上滚动时显示back_to_top按钮,在向上滚动时消失load_more按钮,并在到达列表末尾时显示。OnScrollListener如下所示:Android 如何避免滚动时循环视图抖动?,android,scroll,android-recyclerview,Android,Scroll,Android Recyclerview,当用户滚动recyclerview时,我希望在向上滚动时显示back_to_top按钮,在向上滚动时消失load_more按钮,并在到达列表末尾时显示。OnScrollListener如下所示: mRecyclerViewHome.addOnScrollListener(new OnScrollListener() { @Override public void onScrolled(RecyclerView recyclerView, int d
mRecyclerViewHome.addOnScrollListener(new OnScrollListener() {
@Override
public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
super.onScrolled(recyclerView, dx, dy);
int visibleItemCount = layoutManager.getChildCount();
int totalItemCount = layoutManager.getItemCount();
int pastVisibleItems = layoutManager.findFirstVisibleItemPosition();
if (pastVisibleItems + visibleItemCount >= totalItemCount) {
mButtonLoadMore.setVisibility(View.VISIBLE);
Log.i(TAG, "reach bottom detected");
}
// TODO: 7/20/2017 remove shaking
if (dy < 0) { // scrolling up
mButtonLoadMore.setVisibility(GONE);
mButtonToTop.setVisibility(VISIBLE);
}
if (dy > 0) {
mButtonToTop.setVisibility(GONE);
}
}
});
mrecyclServiceWhome.addOnScrollListener(新的OnScrollListener(){
@凌驾
已填空的公共空间(RecyclerView RecyclerView、int dx、int dy){
super.onScrolled(recyclerView、dx、dy);
int visibleItemCount=layoutManager.getChildCount();
int totalItemCount=layoutManager.getItemCount();
int-pastVisibleItems=layoutManager.findFirstVisibleItemPosition();
如果(pastVisibleItems+visibleItemCount>=totalItemCount){
mButtonLoadMore.setVisibility(View.VISIBLE);
Log.i(标签“检测到到达底部”);
}
//待办事项:2017年7月20日
如果(dy<0){//向上滚动
mbuttonoladmore.setVisibility(已消失);
mbuttontop.setVisibility(可见);
}
如果(dy>0){
mButtonToTop.setVisibility(消失);
}
}
});
这个代码有效。但问题是,如果在recyclerview滚动且尚未停止时,我中断并触摸屏幕并做另一个滚动手势,则recyclerview的视图很可能在移动时抖动。我想这是因为我在代码中使用了dy参数,所以它会一直跟踪dy的值并导致视图抖动?在检测用户是否向上或向下滚动时,是否有任何方法可以避免这种抖动 您可以尝试禁用项目animator吗
mRecyclerViewHome.setItemAnimator(null);
我试过了,它还在颤抖。它像混乱一样颤抖,不像动画片。你找到答案了吗?