标签：
Android——ListView布局+适配器（三）
package com.example.administrator.newstop;
import android.os.Bundle;
import android.support.v4.view.ViewPager;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.AbsListView;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.Toast;
import com.example.administrator.newstop.adapter.MyListViewAdapter;
import com.example.administrator.newstop.adapter.MyViewPagerAdapter;
import com.example.administrator.newstop.entity.News;
import java.util.ArrayList;
import java.util.List;
public class ListViewOnScrollActivity extends AppCompatActivity {
private ListView lv;
private MyListViewAdapter ma;
private List<News> list;
private int pageCount=1;
private ViewPager vp;
private List<ImageView> imgList;
private RadioGroup rg;
private RadioButton rb1,rb2,rb3;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_list_view_on_scroll);
lv=(ListView)findViewById(R.id.lv);
list = new ArrayList<>();
for(int j=0;j<=20;j++){
list.add(new News("新闻"+j,"",R.mipmap.ic_launcher,0,0,0));
}
ma=new MyListViewAdapter(this,list);
imgList=new ArrayList<>();
ImageView img=new ImageView(this);
img.setImageResource(R.mipmap.zyf);
imgList.add(img);
img=new ImageView(this);
img.setImageResource(R.mipmap.zyfzyf);
imgList.add(img);
img=new ImageView(this);
img.setImageResource(R.mipmap.zz);
imgList.add(img);
View v=getLayoutInflater().inflate( R.layout.view_pager,null);
vp= (ViewPager) v.findViewById(R.id.vp);
rb1=(RadioButton) v.findViewById(R.id.rb1);
rb2=(RadioButton) v.findViewById(R.id.rb2);
rb3=(RadioButton) v.findViewById(R.id.rb3);
vp.setAdapter(new MyViewPagerAdapter(imgList));
lv.addHeaderView(v);
rg=(RadioGroup)v.findViewById(R.id.rg);
///RadioGroup监听RadioGroup
rg.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(RadioGroup group, int checkedId) {
if (checkedId==R.id.rb1){
vp.setCurrentItem(0);
Toast.makeText(getBaseContext(),"图片1",Toast.LENGTH_SHORT).show();
} else if (checkedId==R.id.rb2){
vp.setCurrentItem(1);
Toast.makeText(getBaseContext(),"图片2",Toast.LENGTH_SHORT).show();
}
else if (checkedId==R.id.rb3){
vp.setCurrentItem(2);
Toast.makeText(getBaseContext(),"图片3",Toast.LENGTH_SHORT).show();
}
}
});
//RadioGroup监听RadioGroup
vp .addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
}
@Override
public void onPageSelected(int position) {
RadioButton rb = (RadioButton) rg.getChildAt(position);
rb.setChecked(true);
}
@Override
public void onPageScrollStateChanged(int state) {
}
});
lv.setAdapter(ma);
// lv.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
// @Override
// public void onItemSelected(AdapterView<?> adapterView, View view, int i, long l) {
// Toast.makeText(getBaseContext(),""+i,Toast.LENGTH_SHORT).show();
// }
// @Override
// public void onNothingSelected(AdapterView<?> adapterView) {
//
// }
// });
lv.setOnScrollListener(new AbsListView.OnScrollListener() {
@Override
public void onScrollStateChanged(AbsListView absListView, int i) {
}
@Override
public void onScroll(AbsListView absListView, int i, int i1, int i2) {
Log.e("===firstItem:",i+"");
Log.e("===visibleItem:",i1+"");
Log.e("===totalItem:",i2+"");
if(i+i1==i2){
loadData();
}
}
});
}
public void loadData(){
for(int j=(pageCount);j<(20+pageCount);j++){
list.add(new News("新增加新闻新闻"+j,"",R.mipmap.ic_launcher,0,0,0));
}
pageCount+=20;
ma.notifyDataSetChanged();//刷新数据 lv.setAdapter(ma);
}
}
<?xml version="1.0" encoding="utf-8"?>
<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="com.example.administrator.newstop.ListViewOnScrollActivity">
<ListView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/lv"
></ListView>
</RelativeLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.v4.view.ViewPager
android:layout_width="match_parent"
android:layout_height="200dp"
android:id="@+id/vp"
android:background="#fbfb31">
</android.support.v4.view.ViewPager>
<RadioGroup
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:id="@+id/rg"
android:layout_marginTop="-50dp"
android:layout_gravity="center_horizontal">
<RadioButton
android:layout_width="50dp"
android:layout_height="30dp"
android:text="图片1"
android:background="#fafa03"
android:id="@+id/rb1"
android:button="@null"
android:checked="true"
android:textColor="@color/rdbt_text_color"
android:gravity="center"
/>
<RadioButton
android:layout_width="50dp"
android:layout_height="30dp"
android:text="图片2"
android:id="@+id/rb2"
android:button="@null"
android:gravity="center"
android:background="#fafa03"
android:textColor="@color/rdbt_text_color"
/>
<RadioButton
android:layout_width="50dp"
android:layout_height="30dp"
android:text="图片3"
android:id="@+id/rb3"
android:button="@null"
android:gravity="center"
android:background="#fafa03"
android:textColor="@color/rdbt_text_color"
/>
</RadioGroup>
</LinearLayout>package com.example.administrator.newstop.adapter;
import android.support.v4.view.PagerAdapter;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import java.util.List;
/**
* Created by 冲天之峰 on 2016/8/1.
*/
public class MyViewPagerAdapter extends PagerAdapter {
private List<ImageView> imgList;
public MyViewPagerAdapter(List<ImageView> imgList) {
this.imgList = imgList;
}
@Override
public int getCount() {
return imgList.size();
}
@Override
public boolean isViewFromObject(View view, Object object) {
return view==object;
}
@Override
public Object instantiateItem(ViewGroup container, int position) {
container.addView(imgList.get(position));
return imgList.get(position);
}
@Override
public void destroyItem(ViewGroup container, int position, Object object) {
container.removeView(imgList.get(position));
}
}
package com.example.administrator.newstop.adapter;
import android.content.Context;
import android.content.Intent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
import com.example.administrator.newstop.Main2Activity;
import com.example.administrator.newstop.R;
import com.example.administrator.newstop.entity.News;
import java.util.List;
/**
* Created by Administrator on 2016/8/4.
*/
public class MyListViewAdapter extends BaseAdapter {
private Context context;
private List<News> list;
public MyListViewAdapter(Context context, List<News> list) {
this.context = context;
this.list = list;
}
@Override
public int getCount() {
return list.size();
}
@Override
public Object getItem(int i) {
return list.get(i);
}
@Override
public long getItemId(int i) {
return 0;
}
@Override
public View getView(int i, View view, ViewGroup viewGroup) {
ViewHolder vh;
if(view==null){
vh = new ViewHolder();
view = LayoutInflater.from(context).inflate(R.layout.list_simple_layout,null);
vh.img = (ImageView) view.findViewById(R.id.iv);
vh.title = (TextView) view.findViewById(R.id.tv);
view.setTag(vh);
}else {
vh = (ViewHolder) view.getTag();
}
view.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent intent = new Intent(context, Main2Activity.class);
context.startActivity(intent);
}
});
vh.img.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Toast.makeText(context,"点击图片",Toast.LENGTH_SHORT).show();
}
});
News news = list.get(i);
vh.title.setText(news.getTitle());
vh.img.setImageResource(news.getImg());
return view;
}
public class ViewHolder{
TextView title;
ImageView img;
}
}
package com.example.administrator.newstop;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.ListView;
import com.example.administrator.newstop.adapter.MyListViewAdapter;
import com.example.administrator.newstop.entity.News;
import com.handmark.pulltorefresh.library.ILoadingLayout;
import com.handmark.pulltorefresh.library.PullToRefreshBase;
import com.handmark.pulltorefresh.library.PullToRefreshListView;
import java.util.ArrayList;
import java.util.List;
public class PullToRefreshActivity extends AppCompatActivity {
private PullToRefreshListView pv;
private MyListViewAdapter ma;
private List<News> list;
private int pageCount=1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_pull_to_refresh);
pv=(PullToRefreshListView)findViewById(R.id.pv);
list = new ArrayList<>();
for(int j=0;j<=20;j++){
list.add(new News("新闻"+j,"",R.mipmap.ic_launcher,0,0,0));
}
ma=new MyListViewAdapter(this,list);
pv.setAdapter(ma);
pv.setMode(PullToRefreshBase.Mode.BOTH);
ILoadingLayout upLoading=pv.getLoadingLayoutProxy(true,false);
upLoading.setPullLabel("下拉客官请稍等");
upLoading.setRefreshingLabel("客官刷新中");
upLoading.setReleaseLabel("好了客官");
ILoadingLayout downLoading=pv.getLoadingLayoutProxy(false,true);
downLoading.setPullLabel("下拉客官请稍等");
downLoading.setRefreshingLabel("客官刷新中");
downLoading.setReleaseLabel("好了客官");
View v=getLayoutInflater().inflate(R.layout.pv_header_layout,null);
pv.getRefreshableView().addHeaderView(v);
pv.setOnRefreshListener(new PullToRefreshBase.OnRefreshListener2<ListView>() {
//下拉
@Override
public void onPullDownToRefresh(PullToRefreshBase<ListView> refreshView) {
pageCount=1;
list.clear();
new MyRefresh().execute();
}
//上拉
@Override
public void onPullUpToRefresh(PullToRefreshBase<ListView> refreshView) {
// loadData();
// pv.onRefreshComplete();
new MyRefresh().execute();
}
});
}
public void loadData(){
for(int j=(pageCount);j<(20+pageCount);j++){
list.add(new News("新增加新闻新闻"+j,"",R.mipmap.ic_launcher,0,0,0));
}
pageCount+=20;
ma.notifyDataSetChanged();//刷新数据 lv.setAdapter(ma);
}
public class MyRefresh extends AsyncTask<Void,Void,Void>{
@Override
protected Void doInBackground(Void... voids) {
try {
Thread.sleep(1500);
} catch (InterruptedException e) {
e.printStackTrace();
}
return null;
}
@Override
protected void onPostExecute(Void aVoid) {
super.onPostExecute(aVoid);
loadData();
pv.onRefreshComplete();
}
}
}
<?xml version="1.0" encoding="utf-8"?>
<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"
xmlns:app="http://schemas.android.com/apk/res-auto"
tools:context="com.example.administrator.newstop.PullToRefreshActivity">
<com.handmark.pulltorefresh.library.PullToRefreshListView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/pv"
app:ptrAnimationStyle="flip"
>
</com.handmark.pulltorefresh.library.PullToRefreshListView>
</RelativeLayout>
package com.example.administrator.newstop.adapter;
import android.content.Context;
import android.content.Intent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
import com.example.administrator.newstop.Main2Activity;
import com.example.administrator.newstop.R;
import com.example.administrator.newstop.entity.News;
import java.util.List;
/**
* Created by Administrator on 2016/8/4.
*/
public class MyListViewAdapter extends BaseAdapter {
private Context context;
private List<News> list;
public MyListViewAdapter(Context context, List<News> list) {
this.context = context;
this.list = list;
}
@Override
public int getCount() {
return list.size();
}
@Override
public Object getItem(int i) {
return list.get(i);
}
@Override
public long getItemId(int i) {
return 0;
}
@Override
public View getView(int i, View view, ViewGroup viewGroup) {
ViewHolder vh;
if(view==null){
vh = new ViewHolder();
view = LayoutInflater.from(context).inflate(R.layout.list_simple_layout,null);
vh.img = (ImageView) view.findViewById(R.id.iv);
vh.title = (TextView) view.findViewById(R.id.tv);
view.setTag(vh);
}else {
vh = (ViewHolder) view.getTag();
}
view.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent intent = new Intent(context, Main2Activity.class);
context.startActivity(intent);
}
});
vh.img.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Toast.makeText(context,"点击图片",Toast.LENGTH_SHORT).show();
}
});
News news = list.get(i);
vh.title.setText(news.getTitle());
vh.img.setImageResource(news.getImg());
return view;
}
public class ViewHolder{
TextView title;
ImageView img;
}
}
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:layout_marginLeft="2dp"
android:layout_width="match_parent"
android:layout_height="80dp"
android:layout_weight="0.6"
android:scaleType="fitXY"
android:src="@mipmap/ic_launcher"
android:id="@+id/iv"/>
<TextView
android:layout_width="match_parent"
android:layout_height="80dp"
android:layout_weight="0.4"
android:id="@+id/tv"
android:gravity="center"
android:text="34134324124"/>
</LinearLayout>
作者：冲天之峰 20160805
<pre name="code" class="java">
标签：
原文地址：http://blog.csdn.net/zhangyufeng0126/article/details/52132984
