GridView實(shí)現(xiàn)圖標(biāo)顯示

package?com.example.administrator.gridview;

import?android.content.Context;
import?android.app.Activity;
import?android.os.Bundle;
import?android.view.Menu;
import?android.view.MenuItem;
import?android.view.View;
import?android.widget.AdapterView;
import?android.widget.GridView;
import?android.widget.SimpleAdapter;
import?android.widget.Toast;

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


public?class?MainActivity?extends?Activity?{
????private?GridView?gridView;
????private?Context?mContext;

????private?List<Map>?data_list;

????private?Object[]pics?=?{R.drawable.address_book,R.drawable.calendar,R.drawable.camera,R.drawable.clock,R.drawable.games_control,R.drawable.messenger,R.drawable.ringtone,R.drawable.settings,R.drawable.speech_balloon,R.drawable.weather,R.drawable.world,R.drawable.youtube};
????private?String[]texts?=?{"地址簿","日歷","照相機(jī)","時(shí)鐘","游戲","信使","鈴聲","設(shè)置","微信","天氣","地圖","YouTube"};
????@Override
????protected?void?onCreate(Bundle?savedInstanceState)?{
????????super.onCreate(savedInstanceState);
????????setContentView(R.layout.activity_main);
????????mContext?=?this;
????????gridView?=?(GridView)findViewById(R.id.gridView);

????????data_list?=?new?ArrayList<Map>();
????????SimpleAdapter?adapter?=?new?SimpleAdapter(mContext,getData(),R.layout.item,new?String[]{"pic","text"},new?int[]{R.id.pic,R.id.text});
????????gridView.setAdapter(adapter);

????????gridView.setOnItemClickListener(new?GridView.OnItemClickListener()?{
????????????@Override
????????????public?void?onItemClick(AdapterView?parent,?View?view,?int?position,?long?id)?{
????????????????HashMap_item?=?(HashMap)gridView.getItemAtPosition(position);
????????????????Toast.makeText(mContext,_item.get("pic")?+?"=>"?+?_item.get("text"),Toast.LENGTH_SHORT).show();
????????????}
????????});
????}

????private?List<Map>?getData(){
????????int?length?=?pics.length;
????????for?(int?i=0??;?i?<?length?;?i++){
????????????Mapdata?=?new?HashMap();
????????????data.put("pic",pics[i]);
????????????data.put("text",texts[i]);
????????????data_list.add(data);
????????}
????????return?data_list;
????}
}

item.xml