一下是代码:
package com.example.android_gridview;
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.MenuItem;
import android.widget.GridView;
import android.widget.SimpleAdapter;
public class MainActivity extends Activity {
private GridView gridView;
private List<Map<String,Object>>dataList;
private int[]icon={R.drawable.tu1,R.drawable.tu2,R.drawable.tu3png,R.drawable.tu4};
private String[]iconName={"天气","日历","时钟","铃声"};
private SimpleAdapter adapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
gridView=(GridView) findViewById(R.id.gridView);
//1、准备数据源
//2、新建适配器(SimpleAdapter)
//3、GridView加载适配器
//4、GridView配置事件监听器(OnItemClickListener)
dataList=new ArrayList<Map<String,Object>>();
getData();
adapter=new SimpleAdapter(this,getData(),
R.layout.item,new String[]{"img","text"},
new int[]{R.id.image,R.id.text});
gridView.setAdapter(adapter);
}
private List<Map<String,Object>> getData(){
for(int i=0;i<icon.length;i++){
Map<String,Object>map=new HashMap<String,Object>();
map.put("img", icon[i]);
map.put("text",iconName[i]);
dataList.add(map);
}return dataList;
}
}
程序无法运行