基于android的listview实例，还有activity之间的跳转

package jane.study; import java.util.ArrayList; import java.util.HashMap; import android.app.Activity; import android.content.Intent; import android.media.MediaPlayer; import android.net.Uri; import android.os.Bundle; import android.view.View; import android.widget.AdapterView; import android.widget.ListView; import android.widget.SimpleAdapter; import android.widget.AdapterView.OnItemClickListener; public class Food_listviewActivity extends Activity { private MediaPlayer music1; final String[] stringUrl=new String[]{"http://www.bjcate.com/","http://www.meishichina.com/","http://www.ttmeishi.com/","http://www.bj100.com/", "http://www.gudumami.cn/beijing/"}; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); setTitle("美食网站链接"); music1=MediaPlayer.create(Food_listviewActivity.this,R.raw.peking); ListView listview1 = (ListView) findViewById(R.id.listview1); //生成动态数组，加入数据 ArrayList<HashMap<String, Object>> listItem = new ArrayList<HashMap<String, Object>>(); HashMap<String, Object> map0 = new HashMap<String, Object>(); map0.put("ItemImage", R.drawable.food0);//图像资源的ID map0.put("ItemTitle", " "); listItem.add(map0); HashMap<String, Object> map1 = new HashMap<String, Object>(); map1.put("ItemImage", R.drawable.food1);//图像资源的ID map1.put("ItemTitle", " "); listItem.add(map1); HashMap<String, Object> map2 = new HashMap<String, Object>(); map2.put("ItemImage", R.drawable.food2);//图像资源的ID map2.put("ItemTitle", ""); listItem.add(map2); HashMap<String, Object> map3 = new HashMap<String, Object>(); map3.put("ItemImage", R.drawable.food3);//图像资源的ID map3.put("ItemTitle", " "); listItem.add(map3); HashMap<String, Object> map4 = new HashMap<String, Object>(); map4.put("ItemImage", R.drawable.food4);//图像资源的ID map4.put("ItemTitle", " "); listItem.add(map4); //生成适配器的Item和动态数组对应的元素 SimpleAdapter listItemAdapter = new SimpleAdapter(this,listItem,//数据源 R.layout.list_view,//ListItem的XML实现 //动态数组与ImageItem对应的子项 new String[] {"ItemImage","ItemTitle"}, //ImageItem的XML文件里面的一个ImageView,两个TextView ID new int[] {R.id.ItemImage,R.id.ItemTitle} ); //添加并且显示 listview1.setAdapter(listItemAdapter); //添加点击 listview1.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) { try{ if(music1!=null) { music1.stop(); } music1.prepare(); music1.start(); } catch(Exception e) { e.printStackTrace(); } Intent intent=new Intent(Intent.ACTION_VIEW,Uri.parse(stringUrl[arg2])); startActivity(intent); } }); music1.setOnErrorListener(new MediaPlayer.OnErrorListener() { @Override public boolean onError(MediaPlayer arg0, int arg1, int arg2) { // TODO Auto-generated method stub try { music1.release(); } catch(Exception e) { e.printStackTrace(); } return false; } }); } }