MainActivity
public class MainActivity extends FragmentActivity {
private List<Fragment> list;
private ViewPager viewPager;
private RadioGroup radioGroup;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
radioGroup = (RadioGroup) findViewById(R.id.radioGroup);
radioGroup.setOnCheckedChangeListener(new OnCheckedChangeListener() {
@Override
public void onCheckedChanged(RadioGroup group, int checkedId) {
switch (checkedId) {
case R.id.radioButton1:
viewPager.setCurrentItem(0);
break;
case R.id.radioButton2:
viewPager.setCurrentItem(1);
break;
case R.id.radioButton3:
viewPager.setCurrentItem(2);
break;
case R.id.radioButton4:
viewPager.setCurrentItem(3);
break;
}
}
});
viewPager = (ViewPager) findViewById(R.id.viewPager);
addFragment();
viewPager.setAdapter(new MypagerAdapter(getSupportFragmentManager(),
list));
viewPager.setOnPageChangeListener(new OnPageChangeListener() {
@Override
public void onPageSelected(int arg0) {
RadioButton radioButton = (RadioButton) radioGroup
.getChildAt(arg0);
radioButton.setChecked(true);
}
@Override
public void onPageScrolled(int arg0, float arg1, int arg2) {
}
@Override
public void onPageScrollStateChanged(int arg0) {
}
});
}
private void addFragment() {
list = new ArrayList<Fragment>();
list.add(new Fragment1());
list.add(new Fragment2());
list.add(new Fragment3());
list.add(new Fragment4());
}
}
布局文件 activity_main
<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" >
<RadioGroup
android:id="@+id/radioGroup"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal" >
<RadioButton
android:id="@+id/radioButton1"
android:checked="true"
android:background="@drawable/back"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:button="@null"
android:gravity="center"
android:text="资讯" />
<RadioButton
android:background="@drawable/back"
android:id="@+id/radioButton2"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:button="@null"
android:gravity="center"
android:text="热点" />
<RadioButton
android:id="@+id/radioButton3"
android:background="@drawable/back"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:button="@null"
android:gravity="center"
android:text="博客" />
<RadioButton
android:id="@+id/radioButton4"
android:layout_width="0dp"
android:background="@drawable/back"
android:layout_height="wrap_content"
android:layout_weight="1"
android:button="@null"
android:gravity="center"
android:text="推荐" />
</RadioGroup>
<android.support.v4.view.ViewPager
android:id="@+id/viewPager"
android:layout_width="match_parent"
android:layout_height="fill_parent"
android:layout_below="@id/radioGroup" >
</android.support.v4.view.ViewPager>
</RelativeLayout>
back.xml
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android" >
<item android:state_checked="true" android:drawable="@color/yellow"></item>
<item android:state_focused="true" android:drawable="@color/yellow"></item>
<item android:drawable="@color/red"></item>
</selector>
color.xml
<?xml version="1.0" encoding="utf-8"?>
<resources>
<color name="red">#f00 </color>
<color name="yellow">#ff0 </color>
</resources>
mport java.util.List;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
public class MypagerAdapter extends FragmentPagerAdapter {
private List<Fragment> list;
public MypagerAdapter(FragmentManager fm, List<Fragment> list) {
super(fm);
this.list = list;
}
@Override
public Fragment getItem(int arg0) {
return list.get(arg0);
}
@Override
public int getCount() {
return list.size();
}
}
Fragment1
public class Fragment1 extends Fragment {
int index = 1;
String url = "http://www.oschina.net/action/api/news_list?catalog=1&pageIndex="
+ index + "&pageSize=15";
List<News> newsList = new ArrayList<News>();
Handler handler = new Handler() {
private News news;
private String name;
private MyBaseAdapter myBaseAdapter;
public void handleMessage(android.os.Message msg) {
List<News> list = new ArrayList<>();
String xml = (String) msg.obj;
int tag = msg.arg1;
XmlPullParser pullParser = Xml.newPullParser();
ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(
xml.getBytes());
try {
pullParser
.setInput(new InputStreamReader(byteArrayInputStream));
int eventType = pullParser.getEventType();
while (eventType != XmlPullParser.END_DOCUMENT) {
switch (eventType) {
case XmlPullParser.START_TAG:
name = pullParser.getName();
if ("news".equals(name)) {
news = new News();
} else if ("title".equals(name)) {
news.title = pullParser.nextText();
} else if ("body".equals(name)) {
news.body = pullParser.nextText();
} else if ("commentCount".equals(name)) {
news.commentCount = pullParser.nextText();
} else if ("author".equals(name)) {
news.author = pullParser.nextText();
} else if ("pubDate".equals(name)) {
news.pubDate = pullParser.nextText();
}
break;
case XmlPullParser.END_TAG:
name = pullParser.getName();
if ("news".equals(name)) {
list.add(news);
}
break;
}
eventType = pullParser.next();
}
} catch (XmlPullParserException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
switch (tag) {
case 1:
newsList.addAll(list);
myBaseAdapter = new MyBaseAdapter(getActivity(), newsList);
xlistView.setAdapter(myBaseAdapter);
break;
case 2:
newsList.clear();
newsList.addAll(list);
myBaseAdapter.notifyDataSetChanged();
break;
case 3:
newsList.addAll(list);
myBaseAdapter.notifyDataSetChanged();
break;
}
};
};
private XListView xlistView;
@Override
public View onCreateView(LayoutInflater inflater,
@Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = View.inflate(getActivity(), R.layout.fragment, null);
xlistView = (XListView) view.findViewById(R.id.xlistView);
xlistView.setPullLoadEnable(true);
xlistView.setXListViewListener(new IXListViewListener() {
@Override
public void onRefresh() {
index += 1;
getData("http://www.oschina.net/action/api/news_list?catalog=1&pageIndex="
+ index + "&pageSize=15", 2);
xlistView.stopRefresh();
}
@Override
public void onLoadMore() {
index += 1;
getData("http://www.oschina.net/action/api/news_list?catalog=1&pageIndex="
+ index + "&pageSize=15", 3);
xlistView.stopLoadMore();
}
});
return view;
}
@Override
public void onActivityCreated(@Nullable Bundle savedInstanceState) {
getData(url, 1);
super.onActivityCreated(savedInstanceState);
}
private void getData(String url, final int tag) {
HttpUtils httpUtils = new HttpUtils();
httpUtils.configCurrentHttpCacheExpiry(0);
httpUtils.send(HttpMethod.GET, url, new RequestCallBack<String>() {
@Override
public void onFailure(HttpException arg0, String arg1) {
}
@Override
public void onSuccess(ResponseInfo<String> arg0) {
String result = arg0.result;
Message msg = Message.obtain();
msg.obj = result;
msg.arg1 = tag;
handler.sendMessage(msg);
}
});
}
}
News javabean
public class News {
public String title;
public String body;
public String author;
public String pubDate;
public String commentCount;
@Override
public String toString() {
return "News [title=" + title + ", body=" + body + ", author=" + author
+ ", pubDate=" + pubDate + ", commentCount=" + commentCount
+ "]";
}
MyBaseAdapter
import java.util.List;
import android.content.Context;
import android.support.v4.app.FragmentActivity;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;
public class MyBaseAdapter extends BaseAdapter {
private Context context;
private List<News> list;
public MyBaseAdapter(Context context, List<News> list) {
this.context = context;
this.list = list;
}
@Override
public int getCount() {
return list.size();
}
@Override
public Object getItem(int position) {
return null;
}
@Override
public long getItemId(int position) {
return 0;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder viewHolder;
if(convertView==null){
convertView=View.inflate(context, R.layout.item, null);
viewHolder=new ViewHolder();
viewHolder.textViewTitle= (TextView) convertView.findViewById(R.id.textViewTitle);
viewHolder.textViewBody= (TextView) convertView.findViewById(R.id.textViewBody);
viewHolder.textViewCommentCount= (TextView) convertView.findViewById(R.id.textViewCommentCount);
viewHolder.textViewAuthor= (TextView) convertView.findViewById(R.id.textViewAuthor);
viewHolder.textViewpubDate= (TextView) convertView.findViewById(R.id.textViewpubDate);
convertView.setTag(viewHolder);
}else{
viewHolder=(ViewHolder) convertView.getTag();
}
viewHolder.textViewTitle.setText(list.get(position).title);
viewHolder.textViewBody.setText(list.get(position).body);
viewHolder.textViewCommentCount.setText(list.get(position).commentCount);
viewHolder.textViewAuthor.setText(list.get(position).author);
viewHolder.textViewpubDate.setText(list.get(position).pubDate);
return convertView;
}
class ViewHolder {
TextView textViewTitle;
TextView textViewBody;
TextView textViewCommentCount;
TextView textViewAuthor;
TextView textViewpubDate;
}
}
item.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<TextView
android:id="@+id/textViewTitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="同事就要相亲相爱"
android:textStyle="bold" />
<TextView
android:id="@+id/textViewBody"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_below="@+id/textViewTitle"
android:text="室友经常在深夜煲电话粥,有时听歌还边唱。后来我用电脑搜索“如何不留" />
<TextView
android:id="@+id/textViewCommentCount"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_below="@+id/textViewBody"
android:text="33" />
<TextView
android:id="@+id/textViewAuthor"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_below="@+id/textViewBody"
android:layout_toRightOf="@+id/textViewCommentCount"
android:text="局长" />
<TextView
android:id="@+id/textViewpubDate"
android:layout_marginLeft="10dp"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBaseline="@+id/textViewAuthor"
android:layout_alignBottom="@+id/textViewAuthor"
android:layout_toRightOf="@+id/textViewAuthor"
android:text="2016-10-23 08:28:03" />
</RelativeLayout>
XListView.java
/**
* @file XListView.java
* @package me.maxwin.view
* @create Mar 18, 2012 6:28:41 PM
* @author Maxwin
* @description An ListView support (a) Pull down to refresh, (b) Pull up to load more.
* Implement IXListViewListener, and see stopRefresh() / stopLoadMore().
*/
package com.example.test___1;
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;
private Scroller mScroller;
private OnScrollListener mScrollListener;
private IXListViewListener mListViewListener;
private XListViewHeader mHeaderView;
private RelativeLayout mHeaderViewContent;
private TextView mHeaderTimeView;
private int mHeaderViewHeight;
private boolean mEnablePullRefresh = true;
private boolean mPullRefreshing = false;
private XListViewFooter mFooterView;
private boolean mEnablePullLoad;
private boolean mPullLoading;
private boolean mIsFooterReady = false;
private int mTotalItemCount;
private int mScrollBack;
private final static int SCROLLBACK_HEADER = 0;
private final static int SCROLLBACK_FOOTER = 1;
private final static int SCROLL_DURATION = 400;
private final static int PULL_LOAD_MORE_DELTA = 50;
private final static float OFFSET_RADIO = 1.8f;
/**
* @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());
super.setOnScrollListener(this);
mHeaderView = new XListViewHeader(context);
mHeaderViewContent = (RelativeLayout) mHeaderView.findViewById(R.id.xlistview_header_content);
mHeaderTimeView = (TextView) mHeaderView.findViewById(R.id.xlistview_header_time);
addHeaderView(mHeaderView);
mFooterView = new XListViewFooter(context);
mHeaderView.getViewTreeObserver().addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
mHeaderViewHeight = mHeaderViewContent.getHeight();
getViewTreeObserver().removeGlobalOnLayoutListener(this);
}
});
}
@Override
public void setAdapter(ListAdapter adapter) {
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) {
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);
} else {
mPullLoading = false;
mFooterView.show();
mFooterView.setState(XListViewFooter.STATE_NORMAL);
mFooterView.setOnClickListener(new OnClickListener() {
@Override
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) {
if (mHeaderView.getVisiableHeight() > mHeaderViewHeight) {
mHeaderView.setState(XListViewHeader.STATE_READY);
} else {
mHeaderView.setState(XListViewHeader.STATE_NORMAL);
}
}
setSelection(0);
}
/**
* reset header view's height.
*/
private void resetHeaderHeight() {
int height = mHeaderView.getVisiableHeight();
if (height == 0)
return;
if (mPullRefreshing && height <= mHeaderViewHeight) {
return;
}
int finalHeight = 0;
if (mPullRefreshing && height > mHeaderViewHeight) {
finalHeight = mHeaderViewHeight;
}
mScrollBack = SCROLLBACK_HEADER;
mScroller.startScroll(0, height, 0, finalHeight - height, SCROLL_DURATION);
invalidate();
}
private void updateFooterHeight(float delta) {
int height = mFooterView.getBottomMargin() + (int) delta;
if (mEnablePullLoad && !mPullLoading) {
if (height > PULL_LOAD_MORE_DELTA) {
mFooterView.setState(XListViewFooter.STATE_READY);
} else {
mFooterView.setState(XListViewFooter.STATE_NORMAL);
}
}
mFooterView.setBottomMargin(height);
}
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)) {
updateHeaderHeight(deltaY / OFFSET_RADIO);
invokeOnScrolling();
} else if (getLastVisiblePosition() == mTotalItemCount - 1 && (mFooterView.getBottomMargin() > 0 || deltaY < 0)) {
updateFooterHeight(-deltaY / OFFSET_RADIO);
}
break;
default:
mLastY = -1;
if (getFirstVisiblePosition() == 0) {
if (mEnablePullRefresh && mHeaderView.getVisiableHeight() > mHeaderViewHeight) {
mPullRefreshing = true;
mHeaderView.setState(XListViewHeader.STATE_REFRESHING);
if (mListViewListener != null) {
mListViewListener.onRefresh();
}
}
resetHeaderHeight();
} else if (getLastVisiblePosition() == mTotalItemCount - 1) {
if (mEnablePullLoad && mFooterView.getBottomMargin() > PULL_LOAD_MORE_DELTA) {
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;
}
@Override
public void onScrollStateChanged(AbsListView view, int scrollState) {
if (mScrollListener != null) {
mScrollListener.onScrollStateChanged(view, scrollState);
}
}
@Override
public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
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();
}
}
/**
* @file XFooterView.java
* @create Mar 31, 2012 9:33:43 PM
* @author Maxwin
* @description XListView's footer
*/
package com.example.test___1;
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);
}
}
/**
* @file XListViewHeader.java
* @create Apr 18, 2012 5:22:27 PM
* @author Maxwin
* @description XListView's header
*/
package com.example.test___1;
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) {
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) {
mArrowImageView.clearAnimation();
mArrowImageView.setVisibility(View.INVISIBLE);
mProgressBar.setVisibility(View.VISIBLE);
} else {
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.getHeight();
}
}
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="wrap_content" >
<RelativeLayout
android:id="@+id/xlistview_footer_content"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:padding="10dp" >
<ProgressBar
android:id="@+id/xlistview_footer_progressbar"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:visibility="invisible" />
<TextView
android:id="@+id/xlistview_footer_hint_textview"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:text="@string/xlistview_footer_hint_normal" />
</RelativeLayout>
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:gravity="bottom" >
<RelativeLayout
android:id="@+id/xlistview_header_content"
android:layout_width="fill_parent"
android:layout_height="60dp" >
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:gravity="center"
android:orientation="vertical" android:id="@+id/xlistview_header_text">
<TextView
android:id="@+id/xlistview_header_hint_textview"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/xlistview_header_hint_normal" />
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="3dp" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/xlistview_header_last_time"
android:textSize="12sp" />
<TextView
android:id="@+id/xlistview_header_time"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="12sp" />
</LinearLayout>
</LinearLayout>
<ImageView
android:id="@+id/xlistview_header_arrow"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@id/xlistview_header_text"
android:layout_centerVertical="true"
android:layout_marginLeft="-35dp"
android:src="@drawable/xlistview_arrow" />
<ProgressBar
android:id="@+id/xlistview_header_progressbar"
android:layout_width="30dp"
android:layout_height="30dp"
android:layout_alignLeft="@id/xlistview_header_text"
android:layout_centerVertical="true"
android:layout_marginLeft="-40dp"
android:visibility="invisible" />
</RelativeLayout>
</LinearLayout>
strings.xml
<string name="xlistview_header_hint_normal">下拉刷新</string>
<string name="xlistview_header_hint_ready">松开刷新数据</string>
<string name="xlistview_header_hint_loading">正在加载...</string>
<string name="xlistview_header_last_time">上次更新时间:</string>
<string name="xlistview_footer_hint_normal">查看更多</string>
<string name="xlistview_footer_hint_ready">松开载入更多</string>

fragment.xml
<?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" >
<com.example.lianxi.XListView
android:id="@+id/xlistView"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >
</com.example.lianxi.XListView>
</LinearLayout>
xUtils-2.6.14 包
Fragment2
public class Fragment2 extends Fragment {
int index = 1;
String url = "http://www.oschina.net/action/api/news_list?catalog=4&pageIndex="
+ index + "&pageSize=15&show=week";
List<News> newsList = new ArrayList<News>();
Handler handler = new Handler() {
private News news;
private String name;
private MyBaseAdapter myBaseAdapter;
public void handleMessage(android.os.Message msg) {
List<News> list = new ArrayList<>();
String xml = (String) msg.obj;
int tag = msg.arg1;
XmlPullParser pullParser = Xml.newPullParser();
ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(
xml.getBytes());
try {
pullParser
.setInput(new InputStreamReader(byteArrayInputStream));
int eventType = pullParser.getEventType();
while (eventType != XmlPullParser.END_DOCUMENT) {
switch (eventType) {
case XmlPullParser.START_TAG:
name = pullParser.getName();
if ("news".equals(name)) {
news = new News();
} else if ("title".equals(name)) {
news.title = pullParser.nextText();
} else if ("body".equals(name)) {
news.body = pullParser.nextText();
} else if ("commentCount".equals(name)) {
news.commentCount = pullParser.nextText();
} else if ("author".equals(name)) {
news.author = pullParser.nextText();
} else if ("pubDate".equals(name)) {
news.pubDate = pullParser.nextText();
}
break;
case XmlPullParser.END_TAG:
name = pullParser.getName();
if ("news".equals(name)) {
list.add(news);
}
break;
}
eventType = pullParser.next();
}
} catch (XmlPullParserException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
switch (tag) {
case 1:
newsList.addAll(list);
myBaseAdapter = new MyBaseAdapter(getActivity(), newsList);
xlistView.setAdapter(myBaseAdapter);
break;
case 2:
newsList.clear();
newsList.addAll(list);
myBaseAdapter.notifyDataSetChanged();
break;
case 3:
newsList.addAll(list);
myBaseAdapter.notifyDataSetChanged();
break;
}
};
};
private XListView xlistView;
@Override
public View onCreateView(LayoutInflater inflater,
@Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = View.inflate(getActivity(), R.layout.fragment, null);
xlistView = (XListView) view.findViewById(R.id.xlistView);
xlistView.setPullLoadEnable(true);
xlistView.setXListViewListener(new IXListViewListener() {
@Override
public void onRefresh() {
index += 1;
getData("http://www.oschina.net/action/api/news_list?catalog=4&pageIndex="
+ index + "&pageSize=15&show=week", 2);
xlistView.stopRefresh();
}
@Override
public void onLoadMore() {
index += 1;
getData("http://www.oschina.net/action/api/news_list?catalog=1&pageIndex="
+ index + "&pageSize=15", 3);
xlistView.stopLoadMore();
}
});
return view;
}
@Override
public void onActivityCreated(@Nullable Bundle savedInstanceState) {
getData(url, 1);
super.onActivityCreated(savedInstanceState);
}
private void getData(String url, final int tag) {
HttpUtils httpUtils = new HttpUtils();
httpUtils.configCurrentHttpCacheExpiry(0);
httpUtils.send(HttpMethod.GET, url, new RequestCallBack<String>() {
@Override
public void onFailure(HttpException arg0, String arg1) {
}
@Override
public void onSuccess(ResponseInfo<String> arg0) {
String result = arg0.result;
Message msg = Message.obtain();
msg.obj = result;
msg.arg1 = tag;
handler.sendMessage(msg);
}
});
}
}
Fragment3
public class Fragment3 extends Fragment {
int index = 1;
String url = "http://www.oschina.net/action/api/blog_list?type=latest&pageIndex="
+ index + "&pageSize=15";
List<News> newsList = new ArrayList<News>();
Handler handler = new Handler() {
private News news;
private String name;
private MyBaseAdapter myBaseAdapter;
public void handleMessage(android.os.Message msg) {
List<News> list = new ArrayList<>();
String xml = (String) msg.obj;
int tag = msg.arg1;
XmlPullParser pullParser = Xml.newPullParser();
ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(
xml.getBytes());
try {
pullParser
.setInput(new InputStreamReader(byteArrayInputStream));
int eventType = pullParser.getEventType();
while (eventType != XmlPullParser.END_DOCUMENT) {
switch (eventType) {
case XmlPullParser.START_TAG:
name = pullParser.getName();
if ("news".equals(name)|"blog".equals(name)) {
news = new News();
} else if ("title".equals(name)) {
news.title = pullParser.nextText();
} else if ("body".equals(name)) {
news.body = pullParser.nextText();
} else if ("commentCount".equals(name)) {
news.commentCount = pullParser.nextText();
} else if ("author".equals(name)) {
news.author = pullParser.nextText();
} else if ("pubDate".equals(name)) {
news.pubDate = pullParser.nextText();
}
break;
case XmlPullParser.END_TAG:
name = pullParser.getName();
if ("news".equals(name)|"blog".equals(name)) {
list.add(news);
}
break;
}
eventType = pullParser.next();
}
} catch (XmlPullParserException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
switch (tag) {
case 1:
newsList.addAll(list);
myBaseAdapter = new MyBaseAdapter(getActivity(), newsList);
xlistView.setAdapter(myBaseAdapter);
break;
case 2:
newsList.clear();
newsList.addAll(list);
myBaseAdapter.notifyDataSetChanged();
break;
case 3:
newsList.addAll(list);
myBaseAdapter.notifyDataSetChanged();
break;
}
};
};
private XListView xlistView;
@Override
public View onCreateView(LayoutInflater inflater,
@Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = View.inflate(getActivity(), R.layout.fragment, null);
xlistView = (XListView) view.findViewById(R.id.xlistView);
xlistView.setPullLoadEnable(true);
xlistView.setXListViewListener(new IXListViewListener() {
@Override
public void onRefresh() {
index += 1;
getData("http://www.oschina.net/action/api/blog_list?type=latest&pageIndex="
+ index + "&pageSize=15", 2);
xlistView.stopRefresh();
}
@Override
public void onLoadMore() {
index += 1;
getData("http://www.oschina.net/action/api/blog_list?type=latest&pageIndex="
+ index + "&pageSize=15", 3);
xlistView.stopLoadMore();
}
});
return view;
}
@Override
public void onActivityCreated(@Nullable Bundle savedInstanceState) {
getData(url, 1);
super.onActivityCreated(savedInstanceState);
}
private void getData(String url, final int tag) {
HttpUtils httpUtils = new HttpUtils();
httpUtils.configCurrentHttpCacheExpiry(0);
httpUtils.send(HttpMethod.GET, url, new RequestCallBack<String>() {
@Override
public void onFailure(HttpException arg0, String arg1) {
}
@Override
public void onSuccess(ResponseInfo<String> arg0) {
String result = arg0.result;
Message msg = Message.obtain();
msg.obj = result;
msg.arg1 = tag;
handler.sendMessage(msg);
}
});
}
}
Fragment4
public class Fragment4 extends Fragment {
int index = 1;
String url = "http://www.oschina.net/action/api/blog_list?type=recommend&pageIndex="
+ index + "&pageSize=15";
List<News> newsList = new ArrayList<News>();
Handler handler = new Handler() {
private News news;
private String name;
private MyBaseAdapter myBaseAdapter;
public void handleMessage(android.os.Message msg) {
List<News> list = new ArrayList<>();
String xml = (String) msg.obj;
int tag = msg.arg1;
XmlPullParser pullParser = Xml.newPullParser();
ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(
xml.getBytes());
try {
pullParser
.setInput(new InputStreamReader(byteArrayInputStream));
int eventType = pullParser.getEventType();
while (eventType != XmlPullParser.END_DOCUMENT) {
switch (eventType) {
case XmlPullParser.START_TAG:
name = pullParser.getName();
if ("news".equals(name)|"blog".equals(name)) {
news = new News();
} else if ("title".equals(name)) {
news.title = pullParser.nextText();
} else if ("body".equals(name)) {
news.body = pullParser.nextText();
} else if ("commentCount".equals(name)) {
news.commentCount = pullParser.nextText();
} else if ("author".equals(name)) {
news.author = pullParser.nextText();
} else if ("pubDate".equals(name)) {
news.pubDate = pullParser.nextText();
}
break;
case XmlPullParser.END_TAG:
name = pullParser.getName();
if ("news".equals(name)|"blog".equals(name)) {
list.add(news);
}
break;
}
eventType = pullParser.next();
}
} catch (XmlPullParserException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
switch (tag) {
case 1:
newsList.addAll(list);
myBaseAdapter = new MyBaseAdapter(getActivity(), newsList);
xlistView.setAdapter(myBaseAdapter);
break;
case 2:
newsList.clear();
newsList.addAll(list);
myBaseAdapter.notifyDataSetChanged();
break;
case 3:
newsList.addAll(list);
myBaseAdapter.notifyDataSetChanged();
break;
}
};
};
private XListView xlistView;
@Override
public View onCreateView(LayoutInflater inflater,
@Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = View.inflate(getActivity(), R.layout.fragment, null);
xlistView = (XListView) view.findViewById(R.id.xlistView);
xlistView.setPullLoadEnable(true);
xlistView.setXListViewListener(new IXListViewListener() {
@Override
public void onRefresh() {
index += 1;
getData("http://www.oschina.net/action/api/blog_list?type=recommend&pageIndex="
+ index + "&pageSize=15", 2);
xlistView.stopRefresh();
}
@Override
public void onLoadMore() {
index += 1;
getData("http://www.oschina.net/action/api/blog_list?type=recommend&pageIndex="
+ index + "&pageSize=15", 3);
xlistView.stopLoadMore();
}
});
return view;
}
@Override
public void onActivityCreated(@Nullable Bundle savedInstanceState) {
getData(url, 1);
super.onActivityCreated(savedInstanceState);
}
private void getData(String url, final int tag) {
HttpUtils httpUtils = new HttpUtils();
httpUtils.configCurrentHttpCacheExpiry(0);
httpUtils.send(HttpMethod.GET, url, new RequestCallBack<String>() {
@Override
public void onFailure(HttpException arg0, String arg1) {
}
@Override
public void onSuccess(ResponseInfo<String> arg0) {
String result = arg0.result;
Message msg = Message.obtain();
msg.obj = result;
msg.arg1 = tag;
handler.sendMessage(msg);
}
});
}
}