PullToRefreshScrollView

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.example.dell.zhoukaosan.MainActivity">

<RadioGroup
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:orientation="horizontal"
android:id="@+id/rg">
<RadioButton
android:layout_weight="1"
android:id="@+id/rb0"
android:button="@null"
android:gravity="center"
android:text="首页"
android:checked="true"
android:background="@drawable/radiobutton_selector"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<RadioButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/radiobutton_selector"
android:layout_weight="1"
android:button="@null"
android:gravity="center"
android:text="发现"
android:id="@+id/rb1"/>
<RadioButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/radiobutton_selector"
android:layout_weight="1"
android:button="@null"
android:gravity="center"
android:text="下载"
android:id="@+id/rb2"/>
<RadioButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/radiobutton_selector"
android:layout_weight="1"
android:button="@null"
android:gravity="center"
android:text="我的"
android:id="@+id/rb3"/>

</RadioGroup>
<FrameLayout
android:id="@+id/fl"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_above="@+id/rg"></FrameLayout>

</RelativeLayout>

首页布局

<?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"><android.support.design.widget.TabLayoutandroid:layout_width="match_parent"android:layout_height="wrap_content"android:id="@+id/tab"></android.support.design.widget.TabLayout><android.support.v4.view.ViewPagerandroid:id="@+id/vp"android:layout_width="match_parent"android:layout_height="match_parent"></android.support.v4.view.ViewPager></LinearLayout>

推荐布局

<?xml version="1.0" encoding="utf-8"?><L16d1finearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="match_parent"android:layout_height="match_parent"android:orientation="vertical"><com.handmark.pulltorefresh.library.PullToRefreshScrollViewandroid:layout_width="match_parent"android:layout_height="match_parent"android:id="@+id/pull"><LinearLayoutandroid:layout_width="match_parent"android:layout_height="match_parent"android:orientation="vertical"><com.youth.banner.Bannerandroid:layout_width="match_parent"android:layout_height="200dp"android:id="@+id/banner"></com.youth.banner.Banner><com.example.dell.zhoukaosan.listview.Mylistviewandroid:layout_width="match_parent"android:layout_height="match_parent"android:id="@+id/lv"></com.example.dell.zhoukaosan.listview.Mylistview></LinearLayout></com.handmark.pulltorefresh.library.PullToRefreshScrollView></LinearLayout>

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:orientation="horizontal"android:padding="10dp"android:layout_width="match_parent"android:layout_height="match_parent"><ImageViewandroid:id="@+id/image_view"android:layout_width="100dp"android:layout_height="100dp"android:src="@mipmap/ic_launcher"/><TextViewandroid:id="@+id/text_title"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="4415151515"/></LinearLayout>

代码

main

package com.example.dell.zhoukaosan;import android.support.annotation.IdRes;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.widget.RadioGroup;import com.example.dell.zhoukaosan.fragment.Faxain;import com.example.dell.zhoukaosan.fragment.Souye;import com.example.dell.zhoukaosan.fragment.Wode;import com.example.dell.zhoukaosan.fragment.Xiazai;public class MainActivity extends AppCompatActivity {private RadioGroup rg;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);rg=(RadioGroup)findViewById(R.id.rg);getSupportFragmentManager().beginTransaction().replace(R.id.fl,new Souye()).commit();rg.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {@Overridepublic void onCheckedChanged(RadioGroup group, @IdRes int checkedId) {switch(checkedId){case R.id.rb0:getSupportFragmentManager().beginTransaction().replace(R.id.fl,new Souye()).commit();break;case R.id.rb1:getSupportFragmentManager().beginTransaction().replace(R.id.fl,new Faxain()).commit();break;case R.id.rb2:getSupportFragmentManager().beginTransaction().replace(R.id.fl,new Xiazai()).commit();break;case R.id.rb3:getSupportFragmentManager().beginTransaction().replace(R.id.fl,new Wode()).commit();break;}}});}}

首页

package com.example.dell.zhoukaosan.fragment;import android.os.Bundle;import android.support.annotation.Nullable;import android.support.design.widget.TabLayout;import android.support.v4.app.Fragment;import android.support.v4.app.FragmentManager;import android.support.v4.app.FragmentPagerAdapter;import android.support.v4.view.ViewPager;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.TextView;import com.example.dell.zhoukaosan.R;import com.example.dell.zhoukaosan.Tab_Fragment.Kecheng;import com.example.dell.zhoukaosan.Tab_Fragment.Shizhan;import com.example.dell.zhoukaosan.Tab_Fragment.Tuijian;import com.example.dell.zhoukaosan.Tab_Fragment.Zhiye;import java.util.ArrayList;/*** Created by DELL on 2017/10/23.*/public class Souye extends Fragment {private View view;private TabLayout tab;private ViewPager vp;private ArrayList<String> list;@Nullable@Overridepublic View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {view = inflater.inflate(R.layout.f1, null);tab = (TabLayout)view.findViewById(R.id.tab);vp=(ViewPager)view.findViewById(R.id.vp);list = new ArrayList<>();list.add("推荐");list.add("课程");list.add("实战");list.add("职业路径");vp.setOffscreenPageLimit(list.size());vp.setAdapter(new Mypage(getActivity().getSupportFragmentManager()));tab.setupWithViewPager(vp);return view;}class Mypage extends FragmentPagerAdapter {@Overridepublic CharSequence getPageTitle(int position) {return list.get(position);}public Mypage(FragmentManager fm) {super(fm);}@Overridepublic Fragment getItem(int position) {Fragment f=null;switch(position){case 0:f=new Tuijian();break;case 1:f=new Kecheng();break;case 2:f=new Shizhan();break;case 3:f=new Zhiye();break;}return f;}@Overridepublic int getCount() {return list.size();}}}

package com.example.dell.zhoukaosan.Tab_Fragment;import android.os.Bundle;import android.os.Handler;import android.support.annotation.Nullable;import android.support.v4.app.Fragment;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.ImageView;import android.widget.ListView;import android.widget.ScrollView;import com.example.dell.zhoukaosan.Adapter.MyAdapter;import com.example.dell.zhoukaosan.Bean.Result;import com.example.dell.zhoukaosan.R;import com.example.dell.zhoukaosan.Util.MimageLoader;import com.example.dell.zhoukaosan.Util.MyTask;import com.example.dell.zhoukaosan.view.XListView;import com.google.gson.Gson;import com.handmark.pulltorefresh.library.ILoadingLayout;import com.handmark.pulltorefresh.library.PullToRefreshBase;import com.handmark.pulltorefresh.library.PullToRefreshScrollView;import com.youth.banner.Banner;import java.util.ArrayList;import java.util.List;/*** Created by DELL on 2017/10/23.*/public class Tuijian extends Fragment {private View view;private int startNum=100;private MyAdapter myAdapter;private ArrayList<String> img_list;//定义集合private List<Result.DataBean> list;private Banner banner;private PullToRefreshScrollView scrollView;private ListView lv;@Nullable@Overridepublic View onCreateView(LayoutInflater inflater,@Nullable ViewGroup container,@Nullable Bundle savedInstanceState) {view = inflater.inflate(R.layout.tab_f1, null);scrollView=(PullToRefreshScrollView)view.findViewById(R.id.pull);lv=(ListView)view.findViewById(R.id.lv);banner=(Banner)view.findViewById(R.id.banner);img_list = new ArrayList<>();img_list.add("http://pic8.nipic.com/20100701/5290458_114840036316_2.jpg");img_list.add("http://pic2.nipic.com/20090424/1468853_230119053_2.jpg");img_list.add("http://img3.3lian.com/2013/s1/20/d/57.jpg");img_list.add("http://pic39.nipic.com/20140226/18071023_164300608000_2.jpg");img_list.add("http://a0.att.hudong.com/15/08/300218769736132194086202411_950.jpg");banner.setImageLoader(new MimageLoader());banner.setImages(img_list);banner.setDelayTime(2000);banner.isAutoPlay(true);banner.start();init();return view;}@Overridepublic void onActivityCreated(@Nullable Bundle savedInstanceState) {super.onActivityCreated(savedInstanceState);initRefreshScrollView();//请求数据addToTop();}public void initRefreshScrollView(){//设置模式scrollView.setMode(PullToRefreshBase.Mode.BOTH);//设置头尾布局显示的文本ILoadingLayout headerLables=scrollView.getLoadingLayoutProxy(true,false);headerLables.setPullLabel("下拉刷新");headerLables.setRefreshingLabel("正在刷新");headerLables.setReleaseLabel("松开刷新");ILoadingLayout footerLables=scrollView.getLoadingLayoutProxy(false,true);footerLables.setPullLabel("上拉加载");footerLables.setRefreshingLabel("正在加载");footerLables.setReleaseLabel("松开加载");//设置监听事件scrollView.setOnRefreshListener(new PullToRefreshBase.OnRefreshListener2<ScrollView>() {@Overridepublic void onPullDownToRefresh(PullToRefreshBase<ScrollView> refreshView) {//下拉刷新addToTop();closeRefresh();}@Overridepublic void onPullUpToRefresh(PullToRefreshBase<ScrollView> refreshView) {//上拉加载更多addToBottom();closeRefresh();}});}public void addToBottom(){startNum=startNum+20;MyTask myTask = new MyTask(new MyTask.Icallbacks() {@Overridepublic void updataUiByjson(String jsonstr) {//创建GsonGson gson = new Gson();Result result = gson.fromJson(jsonstr, Result.class);//将集合添加到list集合list = result.getData();//设置适配器setAdapter();}});myTask.execute("http://api.expoon.com/AppNews/getNewsList/type/1/p/"+startNum);}public void addToTop(){MyTask myTask = new MyTask(new MyTask.Icallbacks() {@Overridepublic void updataUiByjson(String jsonstr) {// Log.i("zzz",jsonstr);//创建GsonGson gson = new Gson();Result result = gson.fromJson(jsonstr, Result.class);//将集合添加到list集合list = result.getData();// Log.i("aaa",list.toString());//设置适配器setAdapter();}});myTask.execute("http://api.expoon.com/AppNews/getNewsList/type/1/p/1");}public void closeRefresh(){new Handler().postDelayed(new Runnable() {@Overridepublic void run() {scrollView.onRefreshComplete();}},1000);}public void setAdapter(){if(myAdapter==null){myAdapter = new MyAdapter(getActivity(),list);lv.setAdapter(myAdapter);}else{myAdapter.notifyDataSetChanged();}}public   void  init(){MyTask myTask = new MyTask(new MyTask.Icallbacks() {@Overridepublic void updataUiByjson(String jsonstr) {// Log.i("zzz",jsonstr);//创建GsonGson gson = new Gson();Result result = gson.fromJson(jsonstr, Result.class);//将集合添加到list集合list = result.getData();// Log.i("aaa",list.toString());//设置适配器setAdapter();}});myTask.execute("http://api.expoon.com/AppNews/getNewsList/type/1/p/1");}}

适配器

package com.example.dell.zhoukaosan.Adapter;import android.content.Context;import android.view.View;import android.view.ViewGroup;import android.widget.BaseAdapter;import android.widget.ImageView;import android.widget.TextView;import com.example.dell.zhoukaosan.Bean.Result;import com.example.dell.zhoukaosan.R;import com.example.dell.zhoukaosan.Util.ImageloaderUtil;import com.nostra13.universalimageloader.core.ImageLoader;import java.util.List;/*** Created by DELL on 2017/10/23.*/public class MyAdapter extends BaseAdapter {private List<Result.DataBean> list;private Context context;public MyAdapter(Context context, List<Result.DataBean> list) {this.list=list;this.context = context;}@Overridepublic int getCount() {return list.size();}@Overridepublic Object getItem(int position) {return list.get(position);}@Overridepublic long getItemId(int position) {return position;}@Overridepublic View getView(int position, View convertView, ViewGroup parent) {ViewHolder vh;if (convertView==null){vh = new ViewHolder();convertView=View.inflate(context, R.layout.item_layout,null);vh.img=(ImageView)convertView.findViewById(R.id.image_view);vh.tv=(TextView)convertView.findViewById(R.id.text_title);convertView.setTag(vh);}else{vh= (ViewHolder) convertView.getTag();}vh.tv.setText(list.get(position).getNews_title());ImageLoader.getInstance().displayImage(list.get(position).getPic_url(),vh.img, ImageloaderUtil.getImageOptions());return convertView;}class ViewHolder{private ImageView img;private TextView tv;}}

使用PullToRefreshScrollView需添加onMeasure方法来准确计算条目

package com.example.dell.zhoukaosan.listview;import android.content.Context;import android.util.AttributeSet;import android.widget.ListView;/*** Created by DELL on 2017/10/24.*/public class Mylistview extends ListView {public Mylistview(Context context) {super(context);}public Mylistview(Context context, AttributeSet attrs) {super(context, attrs);}public Mylistview(Context context, AttributeSet attrs, int defStyleAttr) {super(context, attrs, defStyleAttr);}//使用PullToRefreshScrollView需添加onMeasure方法来准确计算条目@Overrideprotected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {int expandSpec = MeasureSpec.makeMeasureSpec(Integer.MAX_VALUE >> 2,MeasureSpec.AT_MOST);super.onMeasure(widthMeasureSpec, expandSpec);}}