sy19941019的博客

package com.example.gridview; 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.view.Menu; import android.widget.GridView; import android.widget.SimpleAdapter; public class MainActivity extends Activity { private GridView gview; private List<Map<String, Object>>data_list; private SimpleAdapter sim_adapter; private int[] icon={R.drawable.ic_launcher,R.drawable.ic_launcher,R.drawable.ic_launcher,R.drawable.ic_launcher, R.drawable.ic_launcher,R.drawable.ic_launcher,R.drawable.ic_launcher,R.drawable.ic_launcher, R.drawable.ic_launcher,R.drawable.ic_launcher,R.drawable.ic_launcher,R.drawable.ic_launcher, }; private String[] iconName={"通讯录","通讯录","通讯录","通讯录" ,"通讯录","通讯录","通讯录","通讯录" ,"通讯录","通讯录","通讯录","通讯录"}; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); gview=(GridView) findViewById(R.id.gview); //新建List data_list=new ArrayList<Map<String,Object>>(); //获取数据 getData(); //新建适配器 String [] from={"image","text"}; int [] to={R.id.image,R.id.text}; sim_adapter = new SimpleAdapter(this, data_list, R.layout.item, from, to); //配置适配器 gview.setAdapter(sim_adapter); } public List<Map<String, Object>> getData(){ //cion和iconName的长度是相同的，这里任选其一都可以 for(int i=0;i<icon.length;i++){ Map<String, Object> map = new HashMap<String, Object>(); map.put("image", icon[i]); map.put("text", iconName[i]); data_list.add(map); } return data_list; } }