4.json解析

{"name":"zhangsan", "age":18, "books":[{"name":"金瓶","price":10}, {"name":"红楼梦","price":20}]}

[{"id":"5","version":"5.5","name":"Angry Birds"},{"id":"6","version":"7.0","name":"Clash of Clans"},{"id":"7","version":"3.5","name":"Hey Day"}]

   private void parseJSONWithJSONObject(String jsonData) {        try {            JSONArray jsonArray = new JSONArray(jsonData);            for (int i = 0; i < jsonArray.length(); i++) {                JSONObject jsonObject = jsonArray.getJSONObject(i);                String id = jsonObject.getString("id");                String name = jsonObject.getString("name");                String version = jsonObject.getString("version");                Log.d("MainActivity", "id is " + id);                Log.d("MainActivity", "name is " + name);                Log.d("MainActivity", "version is " + version);            }        } catch (Exception e) {            e.printStackTrace();        }    }  

    public int retcode;	public PhotosInfo data;	public class PhotosInfo {		public String title;		public ArrayList<PhotoInfo> news;	}

/** * 网络分类信息的封装 *  * 字段名字必须和服务器返回的字段名一致, 方便gson解析 */public class NewsData {	public int retcode;	public ArrayList<NewsMenuData> data;	// 侧边栏数据对象	public class NewsMenuData {		public String id;		public String title;		public int type;		public String url;		public ArrayList<NewsTabData> children;		@Override		public String toString() {			return "NewsMenuData [title=" + title + ", children=" + children					+ "]";		}	}	// 新闻页面下11个子页签的数据对象	public class NewsTabData {		public String id;		public String title;		public int type;		public String url;		@Override		public String toString() {			return "NewsTabData [title=" + title + "]";		}	}	@Override	public String toString() {		return "NewsData [data=" + data + "]";	}}

public class GlobalContants {	public static final String SERVER_URL = "http://10.0.2.2:8080/zhbj";   // 获取分类信息的接口	public static final String CATEGORIES_URL = SERVER_URL + "/categories.json";}

public class NewsCenterPager extends BasePager {//只要需要往一个容器添加很多页面，就需要一个arraylist	private ArrayList<BaseMenuDetailPager> mPagers;// 4个菜单详情页的集合	private NewsData mNewsData;	public NewsCenterPager(Activity activity) {		super(activity);	}	@Override	public void initData() {		System.out.println("初始化新闻中心数据....");		tvTitle.setText("新闻");		setSlidingMenuEnable(true);// 打开侧边栏		getDataFromServer();	}	/**	 * 从服务器获取数据	 */	private void getDataFromServer() {		HttpUtils utils = new HttpUtils();		// 使用xutils发送请求		utils.send(HttpMethod.GET, GlobalContants.CATEGORIES_URL,				new RequestCallBack<String>() {					// 访问成功					@Override					public void onSuccess(ResponseInfo responseInfo) {						String result = (String) responseInfo.result;						System.out.println("返回结果:" + result);						parseData(result);					}					// 访问失败					@Override					public void onFailure(HttpException error, String msg) {						Toast.makeText(mActivity, msg, Toast.LENGTH_SHORT)								.show();						error.printStackTrace();					}				});	}	/**	 * 解析网络数据	 * 	 * @param result	 */	protected void parseData(String result) {		Gson gson = new Gson();		mNewsData = gson.fromJson(result, NewsData.class);		System.out.println("解析结果:" + mNewsData);		// 刷新测边栏的数据		MainActivity mainUi = (MainActivity) mActivity;		LeftMenuFragment leftMenuFragment = mainUi.getLeftMenuFragment()；//获取侧边栏对象		leftMenuFragment.setMenuData(mNewsData);//侧边的方法，使用侧边栏展示数据		// 准备4个菜单详情页		mPagers = new ArrayList<BaseMenuDetailPager>();		mPagers.add(new NewsMenuDetailPager(mActivity,				mNewsData.data.get(0).children));		mPagers.add(new TopicMenuDetailPager(mActivity));		mPagers.add(new PhotoMenuDetailPager(mActivity));		mPagers.add(new InteractMenuDetailPager(mActivity));		setCurrentMenuDetailPager(0);// 设置菜单详情页-新闻为默认当前页	}	/**	 * 设置当前菜单详情页	 */	public void setCurrentMenuDetailPager(int position) {		BaseMenuDetailPager pager = mPagers.get(position);// 获取当前要显示的菜单详情页		flContent.removeAllViews();// 清除之前的布局		flContent.addView(pager.mRootView);// 将菜单详情页的布局设置给帧布局		// 设置当前页的标题		NewsMenuData menuData = mNewsData.data.get(position);//获取mNewsData下数据的第几个页面		tvTitle.setText(menuData.title);		pager.initData();// 初始化当前页面的数据	}}

public class NewsMenuDetailPager extends BaseMenuDetailPager{	private ArrayList<NewsTabData> mNewsTabData;// 页签网络数据	public NewsMenuDetailPager(Activity activity,			ArrayList<NewsTabData> children) {		super(activity);		mNewsTabData = children;	}	@Override	public View initViews() {		return null;	}}

public abstract class BaseMenuDetailPager {	public Activity mActivity;	public View mRootView;// 根布局对象	public BaseMenuDetailPager(Activity activity) {		mActivity = activity;		mRootView = initViews();	}	/**	 * 初始化界面	 */	public abstract View initViews();	/**	 * 初始化数据	 */	public void initData() {	}}