在Android的RecyclerView中可点击的一项 [英] one item clickable in RecyclerView in android
问题描述
我正在开发某种教育游戏,在此游戏中,我在recyclerview中代表九个级别,当上一个级别启用时,每个级别均已启用,现在我正尝试在回收者视图"中启用一个项目,而其他项目则无法启用,我一直在youtube和其他网站中搜索,我的问题是怎么做?(注意:我是android studio中的新手,因此请尽可能简化操作.)
i'm working on some kind of educational game, in this game i represent nine levels in recyclerview each level is enabled when the previous one, now i'm trying to make one item in the recycler View enable and the others unable, i been searching in youtube , and other websites, my question is how to do it?(note: i'm new in android studio so keep it simple as possible).
public class ListAdapter extends RecyclerView.Adapter<ListAdapter.ViewHolder> {
private List<ItemView> items;
private Context context;
public ListAdapter(List<ItemView> items , Context context){
this.items = items;
this.context = context;
}
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View view = LayoutInflater.from(parent.getContext())
.inflate(R.layout.item_list , parent , false);
return new ViewHolder(view);
}
@Override
public void onBindViewHolder(ViewHolder holder, int position) {
ItemView i = items.get(position);
holder.setHeadText(i.getHead());
holder.setScoreText(i.getScore());
}
@Override
public int getItemCount() {
return items.size();
}
class ViewHolder extends RecyclerView.ViewHolder {
private TextView headText , scoreText;
public ViewHolder(View itemView) {
super(itemView);
headText = (TextView)itemView.findViewById(R.id.head);
scoreText = (TextView)itemView.findViewById(R.id.score);
}
public void setHeadText(String headText) {
this.headText.setText(headText);
}
public void setScoreText(String scoreText) {
this.scoreText.setText(scoreText);
}
}
}
推荐答案
您可以通过以下方式实现
You can achieve this by
在适配器类中添加这样的接口
public interface ItemClickListner{
void onItemClick(ItemView item);
}
初始化此界面
private ItemClickListner clickManager;
添加参数适配器类构造器
public ListAdapter(List<ItemView> items , Context context,ItemClickListner clickManager){
this.items = items;
this.context = context;
this.clickManager=clickManager;
}
在您的ViewHolder中为itemView添加一个OnClickListner
itemView.setOnClickListener(this);
您的onClick
覆盖功能中的
in Your onClick
override function
if(clickManager!=null)
clickManager.onItemClick(items.get(getAdapterPosition()));
这篇关于在Android的RecyclerView中可点击的一项的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!