<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="wrap_content"    android:orientation="vertical" >    <LinearLayout        android:layout_width="match_parent"        android:layout_height="match_parent"        android:layout_margin="10dp"        android:background="@drawable/pic_list_item_bg"        android:orientation="vertical" >        <ImageView            android:id="@+id/iv_icon"            android:layout_width="match_parent"            android:layout_height="160dp"            android:scaleType="centerCrop"            android:src="@drawable/news_pic_default" />        <TextView            android:id="@+id/tv_title"            android:layout_width="match_parent"            android:layout_height="wrap_content"            android:padding="8dp"            android:singleLine="true"            android:text="标题"            android:textColor="#000"            android:textSize="18sp" />    </LinearLayout></LinearLayout>

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical" >    <FrameLayout        android:layout_width="match_parent"        android:layout_height="match_parent" >        <ListView            android:id="@+id/lv_list"            android:layout_width="match_parent"            android:layout_height="match_parent"            android:cacheColorHint="#fff"            android:divider="@null" >        </ListView>        <GridView            android:id="@+id/gv_list"            android:layout_width="match_parent"            android:layout_height="match_parent"            android:numColumns="2"            android:visibility="gone" >        </GridView>    </FrameLayout></LinearLayout>

import java.util.ArrayList;/** * 组图对象封装 *  */public class PhotoBean {    public int retcode;    public PhotoData data;    public class PhotoData {        public ArrayList<PhotoNewsData> news;    }    public class PhotoNewsData {        public String id;        public String listimage;        public String pubdate;        public String title;        public String url;    }}

import java.util.ArrayList;import android.app.Activity;import android.text.TextUtils;import android.view.View;import android.view.View.OnClickListener;import android.view.ViewGroup;import android.widget.BaseAdapter;import android.widget.GridView;import android.widget.ImageButton;import android.widget.ImageView;import android.widget.ListView;import android.widget.TextView;import android.widget.Toast;import com.google.gson.Gson;import com.itheima.zhsh66.R;import com.itheima.zhsh66.base.BaseMenuDetailPager;import com.itheima.zhsh66.domain.PhotoBean;import com.itheima.zhsh66.domain.PhotoBean.PhotoNewsData;import com.itheima.zhsh66.global.Constants;import com.itheima.zhsh66.utils.CacheUtils;import com.lidroid.xutils.BitmapUtils;import com.lidroid.xutils.HttpUtils;import com.lidroid.xutils.ViewUtils;import com.lidroid.xutils.exception.HttpException;import com.lidroid.xutils.http.ResponseInfo;import com.lidroid.xutils.http.callback.RequestCallBack;import com.lidroid.xutils.http.client.HttpRequest.HttpMethod;import com.lidroid.xutils.view.annotation.ViewInject;/** * 菜单详情页-组图 *  */public class PhotosMenuDetailPager extends BaseMenuDetailPager implements        OnClickListener {    @ViewInject(R.id.lv_list)    private ListView lvList;    @ViewInject(R.id.gv_list)    private GridView gvList;    private ArrayList<PhotoNewsData> mPhotoList;    private boolean isList = true;// 当前界面状态    private ImageButton btnDisplay;    public PhotosMenuDetailPager(Activity activity, ImageButton btnDisplay) {        super(activity);        this.btnDisplay = btnDisplay;        btnDisplay.setOnClickListener(this);    }    @Override    public View initView() {        View view = View.inflate(mActivity, R.layout.pager_menu_detail_photo,                null);        ViewUtils.inject(this, view);        return view;    }    @Override    public void initData() {        String cache = CacheUtils.getCache(Constants.PHOTOS_URL, mActivity);        if (!TextUtils.isEmpty(cache)) {            processResult(cache);        }        getDataFromServer();    }    private void getDataFromServer() {        HttpUtils utils = new HttpUtils();        utils.send(HttpMethod.GET, Constants.PHOTOS_URL,                new RequestCallBack<String>() {                    @Override                    public void onSuccess(ResponseInfo<String> responseInfo) {                        processResult(responseInfo.result);                        CacheUtils.setCache(Constants.PHOTOS_URL,                                responseInfo.result, mActivity);                    }                    @Override                    public void onFailure(HttpException error, String msg) {                        error.printStackTrace();                        Toast.makeText(mActivity, msg, Toast.LENGTH_SHORT)                                .show();                    }                });    }    protected void processResult(String result) {        Gson gson = new Gson();        PhotoBean photoBean = gson.fromJson(result, PhotoBean.class);        mPhotoList = photoBean.data.news;        lvList.setAdapter(new PhotoAdapter());        gvList.setAdapter(new PhotoAdapter());    }    class PhotoAdapter extends BaseAdapter {        private BitmapUtils mBitmapUtils;        public PhotoAdapter() {            mBitmapUtils = new BitmapUtils(mActivity);            mBitmapUtils.configDefaultLoadingImage(R.drawable.news_pic_default);        }        @Override        public int getCount() {            return mPhotoList.size();        }        @Override        public PhotoNewsData getItem(int position) {            return mPhotoList.get(position);        }        @Override        public long getItemId(int position) {            return position;        }        @Override        public View getView(int position, View convertView, ViewGroup parent) {            ViewHolder holder = null;            if (convertView == null) {                convertView = View.inflate(mActivity, R.layout.list_item_photo,                        null);                holder = new ViewHolder();                holder.tvTitle = (TextView) convertView                        .findViewById(R.id.tv_title);                holder.ivIcon = (ImageView) convertView                        .findViewById(R.id.iv_icon);                convertView.setTag(holder);            } else {                holder = (ViewHolder) convertView.getTag();            }            PhotoNewsData item = getItem(position);            holder.tvTitle.setText(item.title);            mBitmapUtils.display(holder.ivIcon, item.listimage);            return convertView;        }    }    static class ViewHolder {        public TextView tvTitle;        public ImageView ivIcon;    }    @Override    public void onClick(View v) {        switch (v.getId()) {        case R.id.btn_display:            // 如果当前是列表, 要切换成grid, 如果是grid,就切换成列表            if (isList) {                isList = false;                lvList.setVisibility(View.GONE);                gvList.setVisibility(View.VISIBLE);                btnDisplay.setImageResource(R.drawable.icon_pic_list_type);            } else {                isList = true;                lvList.setVisibility(View.VISIBLE);                gvList.setVisibility(View.GONE);                btnDisplay.setImageResource(R.drawable.icon_pic_grid_type);            }            break;        default:            break;        }    }}

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical" >    <include layout="@layout/title_bar" />    <FrameLayout        android:id="@+id/fl_content"        android:layout_width="match_parent"        android:layout_height="match_parent" >    </FrameLayout></LinearLayout>

import android.app.Activity;import android.view.View;import android.view.View.OnClickListener;import android.widget.FrameLayout;import android.widget.ImageButton;import android.widget.TextView;import com.itheima.zhsh66.MainActivity;import com.itheima.zhsh66.R;import com.jeremyfeinstein.slidingmenu.lib.SlidingMenu;/** * 五个标签页的基类 *  */public abstract class BasePager {    public Activity mActivity;    // 标签页面的根布局    public View mRootView;    public TextView tvTitle;    public ImageButton btnMenu;    // 帧布局容器, 将来要动态向里面添加内容    public FrameLayout flContent;    // 组图切换按钮    public ImageButton btnDisplay;    public BasePager(Activity activity) {        mActivity = activity;        initView();    }    /**     * 初始化布局     */    public void initView() {        mRootView = View.inflate(mActivity, R.layout.base_pager, null);        tvTitle = (TextView) mRootView.findViewById(R.id.tv_title);        btnMenu = (ImageButton) mRootView.findViewById(R.id.btn_menu);        flContent = (FrameLayout) mRootView.findViewById(R.id.fl_content);        btnDisplay = (ImageButton) mRootView.findViewById(R.id.btn_display);        btnMenu.setOnClickListener(new OnClickListener() {            @Override            public void onClick(View v) {                toggle();            }        });    }    /**     * 侧边栏展开或者收起的方法     */    private void toggle() {        MainActivity mainUI = (MainActivity) mActivity;        SlidingMenu slidingMenu = mainUI.getSlidingMenu();        slidingMenu.toggle();// 开关(如果状态为开,它就关;如果状态为关,它就开)    }    /**     * 初始化数据     */    public abstract void initData();}

import java.util.ArrayList;import android.app.Activity;import android.text.TextUtils;import android.view.View;import android.widget.Toast;import com.google.gson.Gson;import com.itheima.zhsh66.MainActivity;import com.itheima.zhsh66.base.BaseMenuDetailPager;import com.itheima.zhsh66.base.BasePager;import com.itheima.zhsh66.base.impl.menudetail.InteractMenuDetailPager;import com.itheima.zhsh66.base.impl.menudetail.NewsMenuDetailPager;import com.itheima.zhsh66.base.impl.menudetail.PhotosMenuDetailPager;import com.itheima.zhsh66.base.impl.menudetail.TopicMenuDetailPager;import com.itheima.zhsh66.domain.NewsMenuData;import com.itheima.zhsh66.global.Constants;import com.itheima.zhsh66.utils.CacheUtils;import com.lidroid.xutils.HttpUtils;import com.lidroid.xutils.exception.HttpException;import com.lidroid.xutils.http.ResponseInfo;import com.lidroid.xutils.http.callback.RequestCallBack;import com.lidroid.xutils.http.client.HttpRequest.HttpMethod;/** * 新闻中心 *  */public class NewsCenterPager extends BasePager {    // 菜单详情页集合    private ArrayList<BaseMenuDetailPager> mMenuDetailPagers;    private NewsMenuData mNewsMenuData;// 新闻分类信息网络数据    public NewsCenterPager(Activity activity) {        super(activity);    }    @Override    public void initData() {        System.out.println("新闻中心初始化...");        tvTitle.setText("新闻");        // 1.首先先看本地有没有缓存        // 2.有缓存,直接加载缓存        String cache = CacheUtils.getCache(Constants.CATEGORIES_URL, mActivity);        if (!TextUtils.isEmpty(cache)) {            // 有缓存            System.out.println("发现缓存....");            processResult(cache);        }        // 即使发现有缓存,仍继续调用网络, 获取最新数据        getDataFromServer();    }    /**     * 从服务器获取数据 需要权限: <uses-permission     * android:name="android.permission.INTERNET"/>     */    private void getDataFromServer() {        HttpUtils utils = new HttpUtils();        utils.send(HttpMethod.GET, Constants.CATEGORIES_URL,                new RequestCallBack<String>() {                    @Override                    public void onSuccess(ResponseInfo<String> responseInfo) {                        // 请求成功                        String result = responseInfo.result;// 获取json字符串                        // System.out.println("result:" + result);                        processResult(result);                        // 写缓存                        CacheUtils.setCache(Constants.CATEGORIES_URL, result,                                mActivity);                    }                    @Override                    public void onFailure(HttpException error, String msg) {                        // 请求失败                        error.printStackTrace();                        Toast.makeText(mActivity, msg, Toast.LENGTH_SHORT)                                .show();                    }                });    }    /**     * 解析json数据     *      * @param result     */    protected void processResult(String result) {        // gson->json        Gson gson = new Gson();        mNewsMenuData = gson.fromJson(result, NewsMenuData.class);        System.out.println("解析结果:" + mNewsMenuData);        // 获取侧边栏对象        MainActivity mainUI = (MainActivity) mActivity;        LeftMenuFragment leftMenuFragment = mainUI.getLeftMenuFragment();        // 将网络数据设置给侧边栏        leftMenuFragment.setData(mNewsMenuData.data);        // 初始化4个菜单详情页        mMenuDetailPagers = new ArrayList<BaseMenuDetailPager>();        mMenuDetailPagers.add(new NewsMenuDetailPager(mActivity,                mNewsMenuData.data.get(0).children));        mMenuDetailPagers.add(new TopicMenuDetailPager(mActivity));        mMenuDetailPagers.add(new PhotosMenuDetailPager(mActivity, btnDisplay));        mMenuDetailPagers.add(new InteractMenuDetailPager(mActivity));        // 菜单详情页-新闻作为初始页面        setCurrentMenuDetailPager(0);    }    // 给新闻中心页面的FrameLayout填充布局    protected void setCurrentMenuDetailPager(int position) {        BaseMenuDetailPager pager = mMenuDetailPagers.get(position);        // 移除之前所有的view对象, 清理屏幕        flContent.removeAllViews();        flContent.addView(pager.mRootView);        pager.initData();// 初始化数据        // 更改标题        tvTitle.setText(mNewsMenuData.data.get(position).title);        // 组图页面需要显示切换按钮        if (pager instanceof PhotosMenuDetailPager) {            btnDisplay.setVisibility(View.VISIBLE);        } else {            btnDisplay.setVisibility(View.GONE);        }    }}