Android中listview加载网络图片.doc

1.主Activity public class MainActivity extends Activity { private ListView listView; private ArrayListPerson persons; private ListAdapter adapter; private Handler handler=null; //xml文件的网络地址 final String path=0:8080/FileServer/person.xml; @SuppressLint(HandlerLeak) protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); listView=(ListView) super.findViewById(R.id.listview); //cache=new File(Environment.getExternalStorageDirectory().getAbsolutePath()+/cache); //开一条子线程加载网络数据 Runnable runnable=new Runnable() { public void run() { try { Thread.sleep(2000); //xmlwebData解析网络中xml中的数据 persons=XmlwebData.getData(path); //发送消息，并把persons结合对象传递过去 handler.sendMessage(handler.obtainMessage(0, persons)); } catch (InterruptedException e) { e.printStackTrace(); } } }; try { //开启线程 new Thread(runnable).start(); //handler与线程之间的通信及数据处理 handler=new Handler() { public void handleMessage(Message msg) { if(msg.what==0) { //msg.obj是获取handler发送信息传来的数据 @SuppressWarnings(unchecked) ArrayListPerson person=(ArrayListPerson) msg.obj; //给ListView绑定数据 BinderListData(person); } } }; } catch (Exception e) { e.printStackTrace(); } } //绑定数据 public void BinderListData(ArrayListPerson person) {