xstream解析、httputils请求

使用radioGroup  radiobutton展示导航列表，viewpaer、 fragment 实现页面 ，xlistview展示数据

MainActivity.class

package com.bwie.test;

import java.util.ArrayList;
import java.util.List;

import com.bwie.adapter.MyViewPagerAdapter;
import com.bwie.fragment.MyFragment;

import android.os.Bundle;
import android.app.Activity;
import android.graphics.Color;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.WindowManager;
import android.widget.LinearLayout;
import android.widget.LinearLayout.LayoutParams;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.TextView;

public class MainActivity extends FragmentActivity implements OnClickListener {

    private String[] url = new String[] {
            "http://www.oschina.net/action/api/news_list?catalog=1&pageIndex=",
            "http://www.oschina.net/action/api/news_list?catalog=4&show=week&pageIndex=",
            "http://www.oschina.net/action/api/blog_list?type=latest&pageIndex=",
            "http://www.oschina.net/action/api/blog_list?type=recommend&pageIndex=" };
    private String[] column=new String[]{"新闻","热点","博客","推荐"};
    private RadioGroup radioGroup;
    private RadioButton radioButton1;
    private RadioButton radioButton2;
    private RadioButton radioButton3;
    private RadioButton radioButton4;
    private LinearLayout line;
    private ViewPager viewPager;
    private int width;
    private List<Fragment> fragment_list;
    private List<TextView> text_list;
    private List<RadioButton> rbt_list;
    @SuppressWarnings("deprecation")
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        //获取屏幕宽度
        WindowManager windowManager=getWindowManager();
        width = windowManager.getDefaultDisplay().getWidth();
        
        //找控件
        init();
        //初始化导航栏的游标
        setColumn();
        //为viewpager设置fragment页面
        setFragment();
        
        FragmentManager manager=getSupportFragmentManager();
        
        //为viewpager设置适配器
        viewPager.setAdapter(new MyViewPagerAdapter(manager, fragment_list));
        //设置默认的字体颜色，游标位置
        setTextColor(viewPager.getCurrentItem());
        setYouBiao(viewPager.getCurrentItem());
        //对viewpager设置页面改变监听
        setPagerOnClick();
        //对radiobutton进行监听
        radioButton1.setOnClickListener(this);
        radioButton2.setOnClickListener(this);
        radioButton3.setOnClickListener(this);
        radioButton4.setOnClickListener(this);
    }
    
    
    private void init() {
        radioGroup = (RadioGroup) findViewById(R.id.radioGroup);
        radioButton1 = (RadioButton) findViewById(R.id.rbt_1);
        radioButton2 = (RadioButton) findViewById(R.id.rbt_2);
        radioButton3 = (RadioButton) findViewById(R.id.rbt_3);
        radioButton4 = (RadioButton) findViewById(R.id.rbt_4);
        line = (LinearLayout) findViewById(R.id.line);
        viewPager = (ViewPager) findViewById(R.id.viewPager);
        
        rbt_list = new ArrayList<RadioButton>();
        rbt_list.add(radioButton1);
        rbt_list.add(radioButton2);
        rbt_list.add(radioButton3);
        rbt_list.add(radioButton4);
        
    }
    
    private void setColumn() {
        // TODO Auto-generated method stub
        //创建集合存放游标
        text_list = new ArrayList<TextView>();
        for(int i=0;i<4;i++){
            TextView textView=new TextView(MainActivity.this);
            textView.setBackgroundColor(Color.GRAY);
            textView.setVisibility(View.INVISIBLE);
            //设置linearlayout的属性
            LinearLayout.LayoutParams params=new LayoutParams(width/4, 10);
            //将游标、属性添加到linearlayout中
            line.addView(textView, params);
            //将游标存放到集合中
            text_list.add(textView);
        }
    }
    
    private void setFragment() {
        fragment_list = new ArrayList<Fragment>();
        for(int i=0;i<column.length;i++){
            //创建fragment对象
            MyFragment myfragment=new MyFragment(url[i],i);
//            //bundle传值
//            Bundle bundle=new Bundle();
//            bundle.putString("name", column[i]);
//            
//            myfragment.setArguments(bundle);
            fragment_list.add(myfragment);
        }
    }

    private void setPagerOnClick() {
        viewPager.setOnPageChangeListener(new OnPageChangeListener() {
            
            public void onPageSelected(int arg0) {
                // TODO Auto-generated method stub
                //设置游标改变
                setYouBiao(arg0);
                //设置导航栏文字颜色
                setTextColor(arg0);
            }
            
            public void onPageScrolled(int arg0, float arg1, int arg2) {
                // TODO Auto-generated method stub
                
            }
            
            public void onPageScrollStateChanged(int arg0) {
                // TODO Auto-generated method stub
                
            }
        });
    }

    protected void setTextColor(int arg0) {
        // TODO Auto-generated method stub
        //获取当前的radiobutton
        RadioButton radioButton = rbt_list.get(arg0);
        radioButton.setTextColor(Color.RED);
        //获取其他的radiobutton
        for(int i=0;i<rbt_list.size();i++){
            RadioButton radioButton5 = rbt_list.get(i);
            if(radioButton5!=radioButton){
                radioButton5.setTextColor(Color.BLACK);
            }
        }
    }

    protected void setYouBiao(int arg0) {
        // TODO Auto-generated method stub
        //获取当前的游标
        TextView textView=text_list.get(arg0);
        //显示当前游标
        textView.setVisibility(View.VISIBLE);
        //隐藏其他图标
        for(int i=0;i<text_list.size();i++){
            TextView textView2 = text_list.get(i);
            if(textView2!=textView){
                textView2.setVisibility(View.INVISIBLE);
            }
        }
    }


    public void onClick(View v) {
        // TODO Auto-generated method stub
        switch (v.getId()) {
        case R.id.rbt_1:
            viewPager.setCurrentItem(0);
            break;
        case R.id.rbt_2:
            viewPager.setCurrentItem(1);
            break;
        case R.id.rbt_3:
            viewPager.setCurrentItem(2);
            break;
        case R.id.rbt_4:
            viewPager.setCurrentItem(3);
            break;

        
        }
    }

}

MyFargment

package com.bwie.fragment;

import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import com.bwie.adapter.XLvAdapter;
import com.bwie.adapter.XLvAdapter2;
import com.bwie.bean.Blog;
import com.bwie.bean.News;
import com.bwie.bean.SuperClass;
import com.bwie.bean.SuperClass2;
import com.bwie.test.R;
import com.bwie.view.XListView;
import com.bwie.view.XListView.IXListViewListener;
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;
import com.thoughtworks.xstream.XStream;

import android.annotation.SuppressLint;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

public class MyFragment extends Fragment implements IXListViewListener  {
    String url;
    int p;
    
    
    public MyFragment(String url, int p) {
        super();
        this.url = url;
        this.p = p;
    }

    int m=0;
    int n=0;
    private XListView xListView;
    private XLvAdapter2 adapter2;
    private XLvAdapter adapter1;
    List<News> list=new ArrayList<News>();
    List<Blog> list2=new ArrayList<Blog>();

    

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
            Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        View view=View.inflate(getActivity(), R.layout.fragment, null);
        xListView = (XListView) view.findViewById(R.id.xlv);
        
        xListView.setPullRefreshEnable(true);
        xListView.setPullLoadEnable(true);
        xListView.setXListViewListener(this);
        //初次加载数据
        fresh();
        
        return view;
    }
    private void fresh() {
        // TODO Auto-generated method stub
        HttpUtils utils=new HttpUtils();
        n++;
        utils.send(HttpMethod.POST, url+n, new RequestCallBack<String>() {

            @Override
            public void onFailure(HttpException arg0, String arg1) {
                // TODO Auto-generated method stub
                
            }

            @Override
            public void onSuccess(ResponseInfo<String> arg0) {
                // TODO Auto-generated method stub
                String result = arg0.result;
                XStream stream = new XStream();
                if(p==0||p==1){
                    stream.processAnnotations(SuperClass.class);
                    SuperClass superClass=(SuperClass)stream.fromXML(result);
                    List<News> news = superClass.getNewslist().getNews();
                    list.addAll(0,news);
                    adapter1 = new XLvAdapter(getActivity(), list);
                    xListView.setAdapter(adapter1);
                }
                if(p==2||p==3){
                    stream.processAnnotations(SuperClass2.class);
                    SuperClass2 superClass2=(SuperClass2) stream.fromXML(result);
                    List<Blog> blog = superClass2.getBlogs().getBlog();
                    list2.addAll(0,blog);
                    adapter2 = new XLvAdapter2(getActivity(), list2);
                    xListView.setAdapter(adapter2);
                }
            }
        });
    }

    private void load() {
        HttpUtils utils=new HttpUtils();
        m++;
        utils.send(HttpMethod.POST, url+m, new RequestCallBack<String>() {

            @Override
            public void onFailure(HttpException arg0, String arg1) {
                // TODO Auto-generated method stub
            }
            @Override
            public void onSuccess(ResponseInfo<String> arg0) {
                // TODO Auto-generated method stub
                String result = arg0.result;
                
                XStream stream = new XStream();
                if(p==0||p==1){
                    stream.processAnnotations(SuperClass.class);
                    SuperClass superClass=(SuperClass)stream.fromXML(result);
                    List<News> news = superClass.getNewslist().getNews();
                    list.addAll(news);
                    XLvAdapter adapter1=new XLvAdapter(getActivity(), list);
                    adapter1.notifyDataSetChanged();
                }
                if(p==2||p==3){
                    stream.processAnnotations(SuperClass2.class);
                    SuperClass2 superClass2=(SuperClass2) stream.fromXML(result);
                    List<Blog> blog = superClass2.getBlogs().getBlog();
                    list2.addAll(blog);
                    XLvAdapter2 adapter2=new XLvAdapter2(getActivity(), list2);
                    adapter2.notifyDataSetChanged();
                }
            }
        });
    }

    public void onRefresh() {
        fresh();
        onLoad();
    }

    public void onLoadMore() {
        // TODO Auto-generated method stub
        load();
        onLoad();
    }
    @SuppressLint("SimpleDateFormat")
    private void onLoad() {
        xListView.stopRefresh();
        xListView.stopLoadMore();
        // 设置日期格式
        SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        // 获取当前系统时间
        String nowTime = df.format(new Date(System.currentTimeMillis()));
        // 释放时提示正在刷新时的当前时间
        xListView.setRefreshTime(nowTime);
    }

}

XListView

package com.bwie.view;



import com.bwie.test.R;

import android.content.Context;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewTreeObserver.OnGlobalLayoutListener;
import android.view.animation.DecelerateInterpolator;
import android.widget.AbsListView;
import android.widget.AbsListView.OnScrollListener;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.RelativeLayout;
import android.widget.Scroller;
import android.widget.TextView;

public class XListView extends ListView implements OnScrollListener {

    private float mLastY = -1; // save event y
    private Scroller mScroller; // used for scroll back
    private OnScrollListener mScrollListener; // user's scroll listener

    // the interface to trigger refresh and load more.
    private IXListViewListener mListViewListener;

    // -- header view
    private XListViewHeader mHeaderView;
    // header view content, use it to calculate the Header's height. And hide it
    // when disable pull refresh.
    private RelativeLayout mHeaderViewContent;
    private TextView mHeaderTimeView;
    private int mHeaderViewHeight; // header view's height
    private boolean mEnablePullRefresh = true;
    private boolean mPullRefreshing = false; // is refreashing.

    // -- footer view
    private XListViewFooter mFooterView;
    private boolean mEnablePullLoad;
    private boolean mPullLoading;
    private boolean mIsFooterReady = false;
    
    // total list items, used to detect is at the bottom of listview.
    private int mTotalItemCount;

    // for mScroller, scroll back from header or footer.
    private int mScrollBack;
    private final static int SCROLLBACK_HEADER = 0;
    private final static int SCROLLBACK_FOOTER = 1;

    private final static int SCROLL_DURATION = 400; // scroll back duration
    private final static int PULL_LOAD_MORE_DELTA = 50; // when pull up >= 50px
                                                        // at bottom, trigger
                                                        // load more.
    private final static float OFFSET_RADIO = 1.8f; // support iOS like pull
                                                    // feature.

    /**
     * @param context
     */
    public XListView(Context context) {
        super(context);
        initWithContext(context);
    }

    public XListView(Context context, AttributeSet attrs) {
        super(context, attrs);
        initWithContext(context);
    }

    public XListView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        initWithContext(context);
    }

    private void initWithContext(Context context) {
        mScroller = new Scroller(context, new DecelerateInterpolator());
        // XListView need the scroll event, and it will dispatch the event to
        // user's listener (as a proxy).
        super.setOnScrollListener(this);

        // init header view
        mHeaderView = new XListViewHeader(context);
        mHeaderViewContent = (RelativeLayout) mHeaderView
                .findViewById(R.id.xlistview_header_content);
        mHeaderTimeView = (TextView) mHeaderView
                .findViewById(R.id.xlistview_header_time);
        addHeaderView(mHeaderView);

        // init footer view
        mFooterView = new XListViewFooter(context);

        // init header height
        mHeaderView.getViewTreeObserver().addOnGlobalLayoutListener(
                new OnGlobalLayoutListener() {
                    public void onGlobalLayout() {
                        mHeaderViewHeight = mHeaderViewContent.getHeight();
                        getViewTreeObserver()
                                .removeGlobalOnLayoutListener(this);
                    }
                });
    }

    @Override
    public void setAdapter(ListAdapter adapter) {
        // make sure XListViewFooter is the last footer view, and only add once.
        if (mIsFooterReady == false) {
            mIsFooterReady = true;
            addFooterView(mFooterView);
        }
        super.setAdapter(adapter);
    }

    /**
     * enable or disable pull down refresh feature.
     * 
     * @param enable
     */
    public void setPullRefreshEnable(boolean enable) {
        mEnablePullRefresh = enable;
        if (!mEnablePullRefresh) { // disable, hide the content
            mHeaderViewContent.setVisibility(View.INVISIBLE);
        } else {
            mHeaderViewContent.setVisibility(View.VISIBLE);
        }
    }

    /**
     * enable or disable pull up load more feature.
     * 
     * @param enable
     */
    public void setPullLoadEnable(boolean enable) {
        mEnablePullLoad = enable;
        if (!mEnablePullLoad) {
            mFooterView.hide();
            mFooterView.setOnClickListener(null);
            //make sure "pull up" don't show a line in bottom when listview with one page 
            setFooterDividersEnabled(false);
        } else {
            mPullLoading = false;
            mFooterView.show();
            mFooterView.setState(XListViewFooter.STATE_NORMAL);
            //make sure "pull up" don't show a line in bottom when listview with one page  
            setFooterDividersEnabled(true);
            // both "pull up" and "click" will invoke load more.
            mFooterView.setOnClickListener(new OnClickListener() {
                public void onClick(View v) {
                    startLoadMore();
                }
            });
        }
    }

    /**
     * stop refresh, reset header view.
     */
    public void stopRefresh() {
        if (mPullRefreshing == true) {
            mPullRefreshing = false;
            resetHeaderHeight();
        }
    }

    /**
     * stop load more, reset footer view.
     */
    public void stopLoadMore() {
        if (mPullLoading == true) {
            mPullLoading = false;
            mFooterView.setState(XListViewFooter.STATE_NORMAL);
        }
    }

    /**
     * set last refresh time
     * 
     * @param time
     */
    public void setRefreshTime(String time) {
        mHeaderTimeView.setText(time);
    }

    private void invokeOnScrolling() {
        if (mScrollListener instanceof OnXScrollListener) {
            OnXScrollListener l = (OnXScrollListener) mScrollListener;
            l.onXScrolling(this);
        }
    }

    private void updateHeaderHeight(float delta) {
        mHeaderView.setVisiableHeight((int) delta
                + mHeaderView.getVisiableHeight());
        if (mEnablePullRefresh && !mPullRefreshing) { // 鏈��浜庡埛鏂扮姸鎬侊紝鏇存柊绠�ご
            if (mHeaderView.getVisiableHeight() > mHeaderViewHeight) {
                mHeaderView.setState(XListViewHeader.STATE_READY);
            } else {
                mHeaderView.setState(XListViewHeader.STATE_NORMAL);
            }
        }
        setSelection(0); // scroll to top each time
    }

    /**
     * reset header view's height.
     */
    private void resetHeaderHeight() {
        int height = mHeaderView.getVisiableHeight();
        if (height == 0) // not visible.
            return;
        // refreshing and header isn't shown fully. do nothing.
        if (mPullRefreshing && height <= mHeaderViewHeight) {
            return;
        }
        int finalHeight = 0; // default: scroll back to dismiss header.
        // is refreshing, just scroll back to show all the header.
        if (mPullRefreshing && height > mHeaderViewHeight) {
            finalHeight = mHeaderViewHeight;
        }
        mScrollBack = SCROLLBACK_HEADER;
        mScroller.startScroll(0, height, 0, finalHeight - height,
                SCROLL_DURATION);
        // trigger computeScroll
        invalidate();
    }

    private void updateFooterHeight(float delta) {
        int height = mFooterView.getBottomMargin() + (int) delta;
        if (mEnablePullLoad && !mPullLoading) {
            if (height > PULL_LOAD_MORE_DELTA) { // height enough to invoke load
                                                    // more.
                mFooterView.setState(XListViewFooter.STATE_READY);
            } else {
                mFooterView.setState(XListViewFooter.STATE_NORMAL);
            }
        }
        mFooterView.setBottomMargin(height);

//        setSelection(mTotalItemCount - 1); // scroll to bottom
    }

    private void resetFooterHeight() {
        int bottomMargin = mFooterView.getBottomMargin();
        if (bottomMargin > 0) {
            mScrollBack = SCROLLBACK_FOOTER;
            mScroller.startScroll(0, bottomMargin, 0, -bottomMargin,
                    SCROLL_DURATION);
            invalidate();
        }
    }

    private void startLoadMore() {
        mPullLoading = true;
        mFooterView.setState(XListViewFooter.STATE_LOADING);
        if (mListViewListener != null) {
            mListViewListener.onLoadMore();
        }
    }

    @Override
    public boolean onTouchEvent(MotionEvent ev) {
        if (mLastY == -1) {
            mLastY = ev.getRawY();
        }

        switch (ev.getAction()) {
        case MotionEvent.ACTION_DOWN:
            mLastY = ev.getRawY();
            break;
        case MotionEvent.ACTION_MOVE:
            final float deltaY = ev.getRawY() - mLastY;
            mLastY = ev.getRawY();
            if (getFirstVisiblePosition() == 0
                    && (mHeaderView.getVisiableHeight() > 0 || deltaY > 0)) {
                // the first item is showing, header has shown or pull down.
                updateHeaderHeight(deltaY / OFFSET_RADIO);
                invokeOnScrolling();
            } else if (getLastVisiblePosition() == mTotalItemCount - 1
                    && (mFooterView.getBottomMargin() > 0 || deltaY < 0)) {
                // last item, already pulled up or want to pull up.
                updateFooterHeight(-deltaY / OFFSET_RADIO);
            }
            break;
        default:
            mLastY = -1; // reset
            if (getFirstVisiblePosition() == 0) {
                // invoke refresh
                if (mEnablePullRefresh
                        && mHeaderView.getVisiableHeight() > mHeaderViewHeight) {
                    mPullRefreshing = true;
                    mHeaderView.setState(XListViewHeader.STATE_REFRESHING);
                    if (mListViewListener != null) {
                        mListViewListener.onRefresh();
                    }
                }
                resetHeaderHeight();
            } else if (getLastVisiblePosition() == mTotalItemCount - 1) {
                // invoke load more.
                if (mEnablePullLoad
                    && mFooterView.getBottomMargin() > PULL_LOAD_MORE_DELTA
                    && !mPullLoading) {
                    startLoadMore();
                }
                resetFooterHeight();
            }
            break;
        }
        return super.onTouchEvent(ev);
    }

    @Override
    public void computeScroll() {
        if (mScroller.computeScrollOffset()) {
            if (mScrollBack == SCROLLBACK_HEADER) {
                mHeaderView.setVisiableHeight(mScroller.getCurrY());
            } else {
                mFooterView.setBottomMargin(mScroller.getCurrY());
            }
            postInvalidate();
            invokeOnScrolling();
        }
        super.computeScroll();
    }

    @Override
    public void setOnScrollListener(OnScrollListener l) {
        mScrollListener = l;
    }

    public void onScrollStateChanged(AbsListView view, int scrollState) {
        if (mScrollListener != null) {
            mScrollListener.onScrollStateChanged(view, scrollState);
        }
    }

    public void onScroll(AbsListView view, int firstVisibleItem,
            int visibleItemCount, int totalItemCount) {
        // send to user's listener
        mTotalItemCount = totalItemCount;
        if (mScrollListener != null) {
            mScrollListener.onScroll(view, firstVisibleItem, visibleItemCount,
                    totalItemCount);
        }
    }

    public void setXListViewListener(IXListViewListener l) {
        mListViewListener = l;
    }

    /**
     * you can listen ListView.OnScrollListener or this one. it will invoke
     * onXScrolling when header/footer scroll back.
     */
    public interface OnXScrollListener extends OnScrollListener {
        public void onXScrolling(View view);
    }

    /**
     * implements this interface to get refresh/load more event.
     */
    public interface IXListViewListener {
        public void onRefresh();

        public void onLoadMore();
    }
}

XListViewHeader

package com.bwie.view;
import com.bwie.test.R;

import android.content.Context;
import android.util.AttributeSet;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.RotateAnimation;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ProgressBar;
import android.widget.TextView;

public class XListViewHeader extends LinearLayout {
    private LinearLayout mContainer;
    private ImageView mArrowImageView;
    private ProgressBar mProgressBar;
    private TextView mHintTextView;
    private int mState = STATE_NORMAL;

    private Animation mRotateUpAnim;
    private Animation mRotateDownAnim;
    
    private final int ROTATE_ANIM_DURATION = 180;
    
    public final static int STATE_NORMAL = 0;
    public final static int STATE_READY = 1;
    public final static int STATE_REFRESHING = 2;

    public XListViewHeader(Context context) {
        super(context);
        initView(context);
    }

    /**
     * @param context
     * @param attrs
     */
    public XListViewHeader(Context context, AttributeSet attrs) {
        super(context, attrs);
        initView(context);
    }

    private void initView(Context context) {
        // 鍒濆�鎯呭喌锛岃�缃�笅鎷夊埛鏂皏iew楂樺害涓�0
        LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(
                LayoutParams.FILL_PARENT, 0);
        mContainer = (LinearLayout) LayoutInflater.from(context).inflate(
                R.layout.xlistview_header, null);
        addView(mContainer, lp);
        setGravity(Gravity.BOTTOM);

        mArrowImageView = (ImageView)findViewById(R.id.xlistview_header_arrow);
        mHintTextView = (TextView)findViewById(R.id.xlistview_header_hint_textview);
        mProgressBar = (ProgressBar)findViewById(R.id.xlistview_header_progressbar);
        
        mRotateUpAnim = new RotateAnimation(0.0f, -180.0f,
                Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF,
                0.5f);
        mRotateUpAnim.setDuration(ROTATE_ANIM_DURATION);
        mRotateUpAnim.setFillAfter(true);
        mRotateDownAnim = new RotateAnimation(-180.0f, 0.0f,
                Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF,
                0.5f);
        mRotateDownAnim.setDuration(ROTATE_ANIM_DURATION);
        mRotateDownAnim.setFillAfter(true);
    }

    public void setState(int state) {
        if (state == mState) return ;
        
        if (state == STATE_REFRESHING) {    // 鏄剧ず杩涘害
            mArrowImageView.clearAnimation();
            mArrowImageView.setVisibility(View.INVISIBLE);
            mProgressBar.setVisibility(View.VISIBLE);
        } else {    // 鏄剧ず绠�ご鍥剧墖
            mArrowImageView.setVisibility(View.VISIBLE);
            mProgressBar.setVisibility(View.INVISIBLE);
        }
        
        switch(state){
        case STATE_NORMAL:
            if (mState == STATE_READY) {
                mArrowImageView.startAnimation(mRotateDownAnim);
            }
            if (mState == STATE_REFRESHING) {
                mArrowImageView.clearAnimation();
            }
            mHintTextView.setText(R.string.xlistview_header_hint_normal);
            break;
        case STATE_READY:
            if (mState != STATE_READY) {
                mArrowImageView.clearAnimation();
                mArrowImageView.startAnimation(mRotateUpAnim);
                mHintTextView.setText(R.string.xlistview_header_hint_ready);
            }
            break;
        case STATE_REFRESHING:
            mHintTextView.setText(R.string.xlistview_header_hint_loading);
            break;
            default:
        }
        
        mState = state;
    }
    
    public void setVisiableHeight(int height) {
        if (height < 0)
            height = 0;
        LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams) mContainer
                .getLayoutParams();
        lp.height = height;
        mContainer.setLayoutParams(lp);
    }

    public int getVisiableHeight() {
        return mContainer.getLayoutParams().height;
    }

}

XListViewFooter

package com.bwie.view;


import com.bwie.test.R;

import android.content.Context;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.LinearLayout;
import android.widget.TextView;

public class XListViewFooter extends LinearLayout {
    public final static int STATE_NORMAL = 0;
    public final static int STATE_READY = 1;
    public final static int STATE_LOADING = 2;

    private Context mContext;

    private View mContentView;
    private View mProgressBar;
    private TextView mHintView;
    
    public XListViewFooter(Context context) {
        super(context);
        initView(context);
    }
    
    public XListViewFooter(Context context, AttributeSet attrs) {
        super(context, attrs);
        initView(context);
    }

    
    public void setState(int state) {
        mHintView.setVisibility(View.INVISIBLE);
        mProgressBar.setVisibility(View.INVISIBLE);
        mHintView.setVisibility(View.INVISIBLE);
        if (state == STATE_READY) {
            mHintView.setVisibility(View.VISIBLE);
            mHintView.setText(R.string.xlistview_footer_hint_ready);
        } else if (state == STATE_LOADING) {
            mProgressBar.setVisibility(View.VISIBLE);
        } else {
            mHintView.setVisibility(View.VISIBLE);
            mHintView.setText(R.string.xlistview_footer_hint_normal);
        }
    }
    
    public void setBottomMargin(int height) {
        if (height < 0) return ;
        LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams)mContentView.getLayoutParams();
        lp.bottomMargin = height;
        mContentView.setLayoutParams(lp);
    }
    
    public int getBottomMargin() {
        LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams)mContentView.getLayoutParams();
        return lp.bottomMargin;
    }
    
    
    /**
     * normal status
     */
    public void normal() {
        mHintView.setVisibility(View.VISIBLE);
        mProgressBar.setVisibility(View.GONE);
    }
    
    
    /**
     * loading status 
     */
    public void loading() {
        mHintView.setVisibility(View.GONE);
        mProgressBar.setVisibility(View.VISIBLE);
    }
    
    /**
     * hide footer when disable pull load more
     */
    public void hide() {
        LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams)mContentView.getLayoutParams();
        lp.height = 0;
        mContentView.setLayoutParams(lp);
    }
    
    /**
     * show footer
     */
    public void show() {
        LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams)mContentView.getLayoutParams();
        lp.height = LayoutParams.WRAP_CONTENT;
        mContentView.setLayoutParams(lp);
    }
    
    private void initView(Context context) {
        mContext = context;
        LinearLayout moreView = (LinearLayout)LayoutInflater.from(mContext).inflate(R.layout.xlistview_footer, null);
        addView(moreView);
        moreView.setLayoutParams(new LinearLayout.LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT));
        
        mContentView = moreView.findViewById(R.id.xlistview_footer_content);
        mProgressBar = moreView.findViewById(R.id.xlistview_footer_progressbar);
        mHintView = (TextView)moreView.findViewById(R.id.xlistview_footer_hint_textview);
    }
    
    
}

简写Bean包

package com.bwie.vo;

import java.io.Serializable;
import java.util.List;

import com.thoughtworks.xstream.annotations.XStreamAlias;
import com.thoughtworks.xstream.annotations.XStreamImplicit;
@XStreamAlias("oschina")
public class XmlBean implements Serializable{
     public String catalog;
     public String newsCount;
     public String pagesize;
     public Newslist newslist;
     
     @XStreamAlias("newslist")
     public class Newslist implements Serializable{
         @XStreamImplicit(itemFieldName="news")
         public List<News> news;
     }
     public class News implements Serializable{
         public String id;
         public String title;
         public String body;
         public String commentCount;
         public String author;
         public String authorid;
         public String pubDate;
         public String url;
         public Type newstype;
         
     }
     @XStreamAlias("newstype")
     public class Type implements Serializable{
         public String type;
         public String authoruid2;
         public String eventurl;
         public String attachment;
     }
}

MainActivity  的布局

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity" >

   <RadioGroup 
       android:id="@+id/radioGroup"
       android:layout_width="match_parent"
       android:layout_height="wrap_content"
       >
       
       <LinearLayout 
           android:id="@+id/ly"
           android:layout_width="match_parent"
           android:layout_height="wrap_content"
           >
           <RadioButton 
               android:id="@+id/rbt_1"
               android:layout_width="match_parent"
               android:layout_height="wrap_content"
               android:layout_weight="1"
               android:text="资讯"
               android:textSize="25sp"
               android:button="@null"
               android:gravity="center"
               />
           <RadioButton 
               android:id="@+id/rbt_2"
               android:layout_width="match_parent"
               android:layout_height="wrap_content"
               android:layout_weight="1"
               android:text="热点"
                android:textSize="25sp"
               android:button="@null"
               android:gravity="center"
               />
           <RadioButton 
               android:id="@+id/rbt_3"
               android:layout_width="match_parent"
               android:layout_height="wrap_content"
               android:layout_weight="1"
               android:text="博客"
                android:textSize="25sp"
               android:button="@null"
               android:gravity="center"
               />
           <RadioButton 
               android:id="@+id/rbt_4"
               android:layout_width="match_parent"
               android:layout_height="wrap_content"
               android:layout_weight="1"
               android:text="推荐"
                android:textSize="25sp"
               android:button="@null"
               android:gravity="center"
               />
       </LinearLayout>
   </RadioGroup>
   <LinearLayout 
       android:id="@+id/line"
       android:layout_width="match_parent"
       android:layout_height="wrap_content"
       android:layout_below="@id/radioGroup"
       ></LinearLayout>
   <android.support.v4.view.ViewPager
       android:id="@+id/viewPager"
       android:layout_width="wrap_content"
       android:layout_height="wrap_content"
       android:layout_below="@id/line"
       ></android.support.v4.view.ViewPager>
</RelativeLayout>