Android GridView でアイコンと文字のレイアウト

# メール書こうかなぁと思ったんだけど、なんか解決したみたいなので、こっちに書くことにしたよ。



MyActivity.java

package yanzm.example.gridviewsample;

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.TextView;

public class MyActivity extends Activity {

    public class BindData {
        int iconId;
        String title;
  
        BindData(int id, String s) {
            this.iconId = id;
            this.title = s;
        }
    }
 
    private BindData[] mDatas = {
        new BindData(android.R.drawable.ic_menu_camera, "Camera"),
        new BindData(android.R.drawable.ic_menu_add, "Add"),
        new BindData(android.R.drawable.ic_menu_agenda, "Agenda"),
        new BindData(android.R.drawable.ic_menu_call, "Call"),
        new BindData(android.R.drawable.ic_menu_crop, "Compass"),
        new BindData(android.R.drawable.ic_menu_camera, "Crop"),
    };
 
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
  
        GridView gridview = (GridView) findViewById(R.id.gridview);
        gridview.setAdapter(new MyAdapter(this, R.layout.item, mDatas));
    }
 
    static class ViewHolder {
        TextView textView;
        ImageView imageView;
    } 

    public class MyAdapter extends ArrayAdapter<BindData> {
        private LayoutInflater inflater;
        private int layoutId;

        public MyAdapter(Context context, int layoutId, BindData[] objects) {
            super(context, 0, objects);
            this.inflater = (LayoutInflater) context
                .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
            this.layoutId = layoutId;
        }

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

            if (convertView == null) {
                convertView = inflater.inflate(layoutId, parent, false);
                holder = new ViewHolder();
                holder.textView = (TextView) convertView.findViewById(R.id.textview);
                holder.imageView = (ImageView) convertView.findViewById(R.id.imageview);
                convertView.setTag(holder);
            } else {
                holder = (ViewHolder) convertView.getTag();
            }
            BindData data= getItem(position);
            holder.textView.setText(data.title);
            holder.imageView.setImageResource(data.iconId);
            return convertView;
        }
    }
}

main.xml

<?xml version="1.0" encoding="utf-8"?>
<GridView xmlns:android="http://schemas.android.com/apk/res/android" 
    android:id="@+id/gridview"
    android:layout_width="fill_parent" 
    android:layout_height="fill_parent"
    android:numColumns="2"
    android:columnWidth="85dip"
    android:verticalSpacing="8dip"
    android:stretchMode="columnWidth"
    android:gravity="center"
    />

item.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
    android:orientation="vertical"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:padding="5dip"
    android:gravity="center"
    >
    <ImageView
        android:id="@+id/imageview"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        />
    <TextView 
        android:id="@+id/textview"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        />
</LinearLayout>