GradeLayout自动添加格子

package com.briup.gradelayout;

import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.GridView;
import android.widget.Toast;

public class MainActivity extends Activity {
	private GridView gv;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		gv = (GridView) findViewById(R.id.gv);
		List<String> list = new ArrayList<String>();
		list.add("我");
		list.add("好");
		list.add("想");
		list.add("你");
		list.add("童");
		list.add("话");
		list.add("一");
		list.add("起");
		list.add("来");
		list.add("看");
		list.add("流");
		list.add("星");
		list.add("雨");
		MyAdapter adapter = new MyAdapter(this, list);
		gv.setAdapter(adapter);
		gv.setOnItemClickListener(new OnItemClickListener() {

			@Override
			public void onItemClick(AdapterView<?> parent, View view,
					int position, long id) {
				Log.i("aa","aaaa");
				Toast.makeText(MainActivity.this, position + "",
						Toast.LENGTH_LONG).show();
			}
		});
	}

}

package com.briup.gradelayout;

import java.util.List;

import android.content.Context;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.Button;

public class MyAdapter extends BaseAdapter {
	private List<String> list;
	private Context mContext;

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

	// 代表数据的总个数
	@Override
	public int getCount() {
		// TODO Auto-generated method stub
		return list.size();
	}

	// 当前条目
	@Override
	public Object getItem(int position) {
		// TODO Auto-generated method stub
		return list.get(position);
	}

	// 当前条目position
	@Override
	public long getItemId(int position) {
		// TODO Auto-generated method stub
		return position;
	}

	@Override
	public View getView(int position, View convertView, ViewGroup parent) {
		ViewHolder holder;
		if (convertView == null) {
			convertView = View.inflate(mContext, R.layout.item_layout, null);
			holder = new ViewHolder();
			holder.btn_word=(Button) convertView.findViewById(R.id.btn_word);
			convertView.setTag(holder);
		}else{
			holder=(ViewHolder)convertView.getTag();
		}
		holder.btn_word.setText(list.get(position));
		return convertView;
	}

	// 创建内部类
	class ViewHolder {
		Button btn_word;
	}

}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context="com.briup.gradelayout.MainActivity" >
<!-- android:verticalSpacing="2dp"行于行之间的间距
     android:horizontalSpacing="2dp"列与列之间的间距
     android:numColumns="3"列数
     
 -->
    <GridView
        android:id="@+id/gv"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:verticalSpacing="2dp"
        android:horizontalSpacing="2dp"
        android:numColumns="8"
        >
    </GridView>

</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<Button xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/btn_word"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:background="#fff"
    android:checked="false"
    android:focusable="false"
    android:focusableInTouchMode="false"
    android:clickable="false"
    android:text="我"
    android:textColor="#000"
    android:textSize="20sp"
    android:textStyle="bold" 
    >

    <!--
    禁用默认button的点击事件
    android:checked="false"
    android:focusable="false"
    android:focusableInTouchMode="false"
    -->

</Button>