ListViewの中のボタンの処理

ListView　の中のボタンを押したら２行目を非表示にする。

１行目のボタンを押した場合↓

package com.example.listviewtest;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import android.os.Bundle;
import android.app.Activity;
import android.widget.ListView;

public class MainActivity extends Activity {

 private HashMap<String, String> data;

 public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.main);

  List<Map<String, String>> dataList = new ArrayList<Map<String, String>>();

  Map<String, String> data = new HashMap<String, String>();
  data.put("title", "タイトル欄");
  data.put("comment", "COMMENT欄");
  dataList.add(data);

  data = new HashMap<String, String>();
  data.put("title", "タイトル欄２");
  data.put("comment", "COMMENT欄");
  dataList.add(data);

  MySimpleAdapter adapter = new MySimpleAdapter(
    this, 
    dataList, 
    R.layout.row, 
    new String[] { "title", "comment" }, 
    new int[] { android.R.id.text1,
    android.R.id.text2 });

  ListView listView = (ListView) findViewById(R.id.listView1);
  listView.setAdapter(adapter);//
 }
}

package com.example.listviewtest;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import android.content.Context;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.SimpleAdapter;
import android.widget.TextView;

public class MySimpleAdapter extends SimpleAdapter {

 // private Context context;
 private LayoutInflater inflater;
 private List<? extends Map<String, ?>> listData;

 public class ViewHolder {
  TextView line1;
  TextView line2;
 }

 public MySimpleAdapter(Context context, List<? extends Map<String, ?>> data, int resource, String[] from, int[] to) {
  super(context, data, resource, from, to);
  // TODO 自動生成されたコンストラクター・スタブ
  // this.context = context;
  this.inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
  this.listData = data;
 }

 public View getView(final int position, View convertView, ViewGroup parent) {
  final ViewHolder holder;

  // ビューを受け取る
  View view = convertView;

  if (view == null) {
   view = inflater.inflate(R.layout.row, parent, false);
   // LayoutInflater inflater = (LayoutInflater)
   // context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
   // view = inflater.inflate(R.layout.raw, null);

   holder = new ViewHolder();
   holder.line1 = (TextView) view.findViewById(android.R.id.text1);
   holder.line2 = (TextView) view.findViewById(android.R.id.text2);

   view.setTag(holder);
  } else {
   holder = (ViewHolder) view.getTag();
  }

  String text1 = ((HashMap<?, ?>) listData.get(position)).get("title").toString();
  String text2 = ((HashMap<?, ?>) listData.get(position)).get("comment").toString();
  holder.line1.setText(text1);
  holder.line2.setText(text2);

  Button btn = (Button) view.findViewById(R.id.button1);
  btn.setTag(position);
  
  btn.setOnClickListener(new OnClickListener() {
   @Override
   public void onClick(View arg0) {
    // TODO 自動生成されたメソッド・スタブ
    Log.v("buttonクリック", "ポジション：　" + position);
    if(holder.line2.getVisibility() == android.view.View.GONE){
     holder.line2.setVisibility(View.VISIBLE);
    }else
    holder.line2.setVisibility(View.GONE);
   }
  });
 
  return view;
 }
}

main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >

    <ListView
        android:id="@+id/listView1"
        android:layout_width="match_parent"
        android:layout_height="match_parent" >
    </ListView>

</LinearLayout>

row.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" xmlns:android="http://schemas.android.com/apk/res/android">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content" >

        <TextView
            android:id="@android:id/text1"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:text="TextView"
            android:textSize="18dp" />

        <Button
            android:id="@+id/button1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Button" />

    </LinearLayout>
 
    <TextView
        android:id="@android:id/text2"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="TextView" >
    </TextView>
 
</LinearLayout>