Android 中RecycleView實(shí)現(xiàn)item的點(diǎn)擊事件
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RecycleView現(xiàn)在已經(jīng)越來越受到大家的重視,因?yàn)樗瓤梢源鎙istView還可以代替GridView,但是RecycleView本身不不像ListView那樣具有setOnItemClickListener,這個(gè)關(guān)于子item的點(diǎn)擊,但是我們往往會(huì)用到RecycleView并且希望他的自孩子可以被點(diǎn)擊,那么如何實(shí)現(xiàn)他的item的點(diǎn)擊事件呢?
首先我們?cè)赗ecyclerView.ViewHolder中的實(shí)現(xiàn):
public class GridViewHolder extends RecyclerView.ViewHolder implements OnClickListener{ //聲明MyItemClickListener private MyItemClickListener mListener; public GridViewHolder(View rootView,MyItemClickListener listener) { super(rootView); this.mListener = listener; rootView.setOnClickListener(this); } @Override public void onClick(View v) { //如果mListener不為空,就實(shí)現(xiàn)接口中的方法onItemClick其中g(shù)etPosition()是得到被點(diǎn)擊位置的position if(mListener != null){ mListener.onItemClick(v,getPosition()); } } //聲明MyItemClickListener這個(gè)接口 public interface MyItemClickListener { public void onItemClick(View view,int postion); } }
最后在RecyclerViewAdapter中實(shí)現(xiàn):
package com.ledon.activity.adapter; import Java.util.ArrayList; import java.util.List; import com.ledon.activity.adapter.GridViewHolder.MyItemClickListener; import com.ledon.ledongym.R; import com.lidroid.xutils.BitmapUtils; import Android.content.Context; import android.support.v7.widget.RecyclerView; import android.text.TextUtils; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; public class RecyclerViewAdapter extends RecyclerView.Adapter<GridViewHolder> { private final List<String> labels; private LayoutInflater mLayoutInflater; private Context context; private MyItemClickListener mItemClickListener; public RecyclerViewAdapter(int count, Context context) { this.labels = new ArrayList<String>(count); mLayoutInflater = LayoutInflater.from(context); for (int i = 0; i < count; i++) { labels.add(String.valueOf(i)); } } @Override public int getItemCount() { return labels.size(); } @Override public void onBindViewHolder(GridViewHolder viewHolder, int position) { viewHolder.itemView.setTag(labels.get(position)); } @Override public GridViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { View view = null; view = mLayoutInflater.inflate(R.layout.item_userinfo, parent, false); //通過構(gòu)造函數(shù)將mItemClickListener GridViewHolder holder = new GridViewHolder(view, mItemClickListener); return holder; } /** * 設(shè)置Item點(diǎn)擊監(jiān)聽 * * @param listener */ public void setOnItemClickListener(MyItemClickListener listener) { this.mItemClickListener = listener; } }
最后在activity中
//根據(jù)adapter來設(shè)置item的點(diǎn)擊事件 recyclerViewAdapter.setOnItemClickListener(new MyItemClickListener() { @Override public void onItemClick(View view, int postion) { } });
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文章標(biāo)題:Android中RecycleView實(shí)現(xiàn)item的點(diǎn)擊事件
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