[英]The last item in the recyclerView list
How can I display a message to the user after scrolling the recyclerview items and viewing the last item in the list?滚动 recyclerview 项目并查看列表中的最后一项后,如何向用户显示消息?
The code below does not work下面的代码不起作用
recyclerView.addOnScrollListener(object : RecyclerView.OnScrollListener(){
override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
super.onScrolled(recyclerView, dx, dy)
val count= recyclerView.layoutManager?.itemCount
if (customerModels.size==count){
Toast.makeText(applicationContext,"true",Toast.LENGTH_LONG).show()
}
}
})
This is what I usually use when I want to check if the user is reached to the bottom of the recyclerView当我想检查用户是否到达 recyclerView 的底部时,这是我通常使用的
recyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() {
@Override
public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
LinearLayoutManager lm=LinearLayoutManager.class.cast(recyclerView.getLayoutManager());
int items= lm.getItemCount();
int last = lm.findLastVisibleItemPosition();
boolean bottom= last+ 5 >= items;
if (items> 0 && bottom) {
//you have reached to the bottom of your recycler view
}
}
});
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