Xutils

public class MainActivity extends Activity {
	String url = "http://172.17.29.120/localuser/lujunfang/hello/xiangmuyi_20161008_test1.json";
	private List<Car> list;
	private MyBaseAdapter myBaseAdapter;

	Handler handler = new Handler() {

		public void handleMessage(android.os.Message msg) {

			// 取出数据
			String s = (String) msg.obj;
			// 解析json
			Gson gson = new Gson();
			Bean bean = gson.fromJson(s, Bean.class);

			list = bean.list;
			// 设置适配器
			myBaseAdapter = new MyBaseAdapter(MainActivity.this, list);

			listView.setAdapter(myBaseAdapter);

		};
	};

	private ListView listView;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);

		listView = (ListView) findViewById(R.id.listView);

		// listView条目点击事件
		listView.setOnItemClickListener(new OnItemClickListener() {

			@Override
			public void onItemClick(AdapterView<?> parent, View view,
					int position, long id) {
				Toast.makeText(MainActivity.this,
						"   " + list.get(position).id, 0).show();
			}
		});

		// listView条目长按事件
		listView.setOnItemLongClickListener(new OnItemLongClickListener() {

			@Override
			public boolean onItemLongClick(AdapterView<?> parent, View view,
					int position, long id) {
				// 删除条目
				list.remove(position);

				// 通知适配器刷新数据
				myBaseAdapter.notifyDataSetChanged();
				return false;
			}
		});

		HttpUtils httpUtils = new HttpUtils();
	
		/*RequestParams params=new RequestParams();
		params.addBodyParameter(name, value)
		httpUtils.send(HttpMethod.POST, url, params, callBack);*/
		
		httpUtils.configResponseTextCharset("utf-8");
		httpUtils.configCurrentHttpCacheExpiry(0);
		// 参数一:请求方式
		// 参数二:网络路径
		// 参数三:联网请求状态的回调
		httpUtils.send(HttpMethod.POST, url, new RequestCallBack<String>() {

			@Override
			// 请求开始
			public void onStart() {
				// TODO Auto-generated method stub
				super.onStart();
			}

			@Override
			// 请求停止
			public void onStopped() {
				// TODO Auto-generated method stub
				super.onStopped();
			}

			@Override
			// 请求中
			public void onLoading(long total, long current, boolean isUploading) {
				// TODO Auto-generated method stub
				super.onLoading(total, current, isUploading);
			}

			@Override
			// 联网请求失败的回调方法
			public void onFailure(HttpException arg0, String arg1) {

			}

			@Override
			// 联网请求成功的回调方法
			public void onSuccess(ResponseInfo<String> arg0) {
				// 得到网络数据
				String result = arg0.result;

				System.out.println(result);

				// 把网络数据发送到handler里解析
				Message msg = Message.obtain();

				msg.obj = result;

				handler.sendMessage(msg);
			}
		});
	}
}