问题描述
这是我的代码,它从底部显示recyclerview,但从最后一项不显示! 同样,当我通过adapter.onItemChange(position)更新项目时,我的recyclerview滚动到顶部!
private void initRecyclerView() {
linearlayoutmanager layoutManager = new linearlayoutmanager(activity);
layoutManager.setStackFromEnd(true);
binding.recyclerView.setItemViewCacheSize(20);
binding.recyclerView.setDrawingCacheEnabled(true);
binding.recyclerView.setDrawingCacheQuality(View.DRAWING_CACHE_QUALITY_HIGH);
binding.recyclerView.setLayoutManager(layoutManager);
binding.recyclerView.setAdapter(chatAdapter);
binding.recyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() {
@Override
public void onScrolled(@NonNull RecyclerView recyclerView,int dx,int dy) {
super.onScrolled(recyclerView,dx,dy);
recyclerOffset = dy;
}
});
//scroll recyclerview when keyboard opened or closed
binding.recyclerView.addOnLayoutchangelistener((v,left,top,right,bottom,oldLeft,oldTop,oldRight,oldBottom) -> {
if (bottom < oldBottom) {
binding.recyclerView.postDelayed((Runnable) () ->
binding.recyclerView.scrollBy(0,oldBottom - bottom),100);
}
});
}
解决方法
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