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Android RecycleView(三)——增加点击事件

2016-02-03 17:01 344 查看
上一篇Android RecycleView(二) 给recycleview添加了分割线,这篇来给他添加点击事件。

其实在adapter中添加一个回掉即可。

package com.chs.myrecycleview.adapter;

import android.content.Context;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.chs.myrecycleview.R;

import java.util.List;

/**
* 作者:chs on 2016/2/2 14:43
* 邮箱:657083984@qq.com
*/
public class MyAdapter extends RecyclerView.Adapter<MyAdapter.MyViewHolder> {
private Context mContext;
private List<String> mData;

private OnItemClickListener onItemClickListener;

public void setOnItemClickListener(OnItemClickListener onItemClickListener) {
this.onItemClickListener = onItemClickListener;
}

public interface OnItemClickListener{
void onItemClick(View view, int position);
}

public MyAdapter(Context mContext,List<String> list) {
this.mContext = mContext;
this.mData = list;
}

@Override
public MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View view = LayoutInflater.from(mContext).inflate(R.layout.item,parent,false);
MyViewHolder holder = new MyViewHolder(view);
return holder;
}

@Override
public void onBindViewHolder(final MyViewHolder holder, final int position) {
holder.tv_text.setText(mData.get(position));
if(onItemClickListener!=null){
holder.ll_main.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
onItemClickListener.onItemClick(holder.itemView,position);
}
});
}
}

@Override
public int getItemCount() {
return mData.size();
}
class MyViewHolder extends RecyclerView.ViewHolder{
TextView tv_text;
LinearLayout ll_main;
public MyViewHolder(View itemView) {
super(itemView);
tv_text = (TextView) itemView.findViewById(R.id.tv_text);
ll_main = (LinearLayout) itemView.findViewById(R.id.ll_main);
}
}
}
MainActivity中:

myAdapter.setOnItemClickListener(new MyAdapter.OnItemClickListener() {
@Override
public void onItemClick(View view, int position) {
Toast.makeText(MainActivity.this,"点击了"+position,Toast.LENGTH_SHORT).show();
}
});


就这么简单,设置长按监听和这个原理一样

效果:

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