欢迎使用优快云-markdown编辑器

package cn.bzu.ui;

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

import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.SimpleAdapter;

public class MainActivity extends Activity {
private GridView smallImageGrid;
private ImageView showImage;

// 1.准备好数据源
private int[] pics = { R.drawable.a, R.drawable.b, R.drawable.c,
R.drawable.d, R.drawable.e, R.drawable.f };// 存放图片id的数组

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// 查找组件
smallImageGrid = (GridView) this.findViewById(R.id.imagelist);
showImage = (ImageView) this.findViewById(R.id.imageshow);
// 创建一个List