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2024-10-06 10:22:15
public class MainActivity extends AppCompatActivity implements XListView.IXListViewListener{ ; private ViewPager pager; private List<String> imagelist=new ArrayList<String>(); private Handler handler=new Handler(){ //handler机制设置自动轮播 @Override public void handleMessage(Message msg) { int what=msg.what; pager.setCurrentItem(what); } }; private XListView xlv; ; private boolean flag; private List<Bean.DataBean> list; private MyBaseadapter adapter; private Button btn; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); pager = (ViewPager) findViewById(R.id.pager); btn = (Button) findViewById(R.id.btn); //放入图片 imagelist.add("http://uimg.quanmin.tv/1503638093/cd8af.jpg"); imagelist.add("http://uimg.quanmin.tv/1503638052/61152.jpg"); imagelist.add("http://uimg.quanmin.tv/1503637943/32b38.jpg"); imagelist.add("http://image.quanmin.tv/6adf461b77359da62787be92e43f086ajpg"); pager.setAdapter(new My()); new Thread(){ @Override public void run() { //设置成为无限轮播 while(true){ try { //设置轮播时间 Thread.sleep(); con++; handler.sendEmptyMessage(con); } catch (InterruptedException e) { e.printStackTrace(); } } } }.start(); xlv = (XListView) findViewById(R.id.xlv); xlv.setPullLoadEnable(true); xlv.setXListViewListener(this); data(); //跳转显示多条目 btn.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Intent intent=new Intent(MainActivity.this,Main2.class); startActivity(intent); } }); } public void data(){ jiexi("http://www.quanmin.tv/json/categories/lol/list.json"); } public void jiexi(String path){ new AsyncTask<String,Void,String>(){ @Override protected void onPostExecute(String s) { if (s!=null){ Gson gson=new Gson(); Bean bean = gson.fromJson(s, Bean.class); //并能在本地打印网络请求的字符串(5分) System.out.print(bean.toString()); //5)将请求获得的网络json字符串,定义实体类(5分),解析到对象中集合中(5分) list = bean.getData(); if (adapter==null) { adapter = new MyBaseadapter(MainActivity.this, list); xlv.setAdapter(adapter); }else{ adapter.sss(list,flag); } } } // 3)异步请求网络数据(5分), @Override protected String doInBackground(String... params) { try { URL url=]); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setRequestMethod("GET"); connection.setConnectTimeout(); connection.setReadTimeout(); int code = connection.getResponseCode(); ){ InputStream is = connection.getInputStream(); return info.readFromNetWork(is); } } catch (Exception e) { e.printStackTrace(); } return null; } }.execute(path); } // 2)实现下拉更多数据功能,注册实现接口(5分),刷新完毕,并弹出Toast提示(5分) @Override public void onRefresh() { flag=false; data(); xlv.stopRefresh(true); Toast.makeText(MainActivity.this,"刷新完毕",Toast.LENGTH_SHORT).show(); } // 2)实现下拉更多数据功能,注册实现接口(5分),刷新完毕,并弹出Toast提示(5分) @Override public void onLoadMore() { flag=true; data(); xlv.stopLoadMore(); Toast.makeText(MainActivity.this,"加载完毕",Toast.LENGTH_SHORT).show(); } class My extends PagerAdapter{ @Override public int getCount() { //轮播的次数 return Integer.MAX_VALUE; } @Override public boolean isViewFromObject(View view, Object object) { return view==object; } @Override public Object instantiateItem(ViewGroup container, int position) { //加载图片 ImageView imageView=new ImageView(MainActivity.this); ImageLoader.getInstance().displayImage(imagelist.get(position%imagelist.size()),imageView,appliction.getImageOptions()); container.addView(imageView); return imageView; } @Override public void destroyItem(ViewGroup container, int position, Object object) { container.removeView((View) object); } } }
public class Main2 extends AppCompatActivity implements XListView.IXListViewListener{ private boolean flag; private XListView xlv; private List<Bean.DataBean> list; private MyBaseadapter2 adapter; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity2); xlv = (XListView) findViewById(R.id.xlistview); xlv.setPullLoadEnable(true); xlv.setXListViewListener(this); data(); } public void data(){ jiexi("http://www.quanmin.tv/json/categories/lol/list.json"); } public void jiexi(String path){ new AsyncTask<String,Void,String>(){ @Override protected void onPostExecute(String s) { if (s!=null){ //gson解析 Gson gson=new Gson(); //实体bean类 Bean bean = gson.fromJson(s, Bean.class); //放到集合中 list = bean.getData(); if (adapter==null) { adapter = new MyBaseadapter2(Main2.this, list); xlv.setAdapter(adapter); }else{ adapter.sss(list,flag); } } } // 3)异步请求网络数据(5分), @Override protected String doInBackground(String... params) { try { URL url=]); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setRequestMethod("GET"); connection.setConnectTimeout(); connection.setReadTimeout(); int code = connection.getResponseCode(); ){ InputStream is = connection.getInputStream(); return info.readFromNetWork(is); } } catch (Exception e) { e.printStackTrace(); } return null; } }.execute(path); } public void onRefresh() { flag=false; data(); xlv.stopRefresh(true); Toast.makeText(Main2.this,"刷新完毕",Toast.LENGTH_SHORT).show(); } // 2)实现下拉更多数据功能,注册实现接口(5分),刷新完毕,并弹出Toast提示(5分) @Override public void onLoadMore() { flag=true; data(); xlv.stopLoadMore(); Toast.makeText(Main2.this,"加载完毕",Toast.LENGTH_SHORT).show(); } }
public class MyBaseadapter extends BaseAdapter { private Context context; private List<Bean.DataBean> list; public MyBaseadapter(Context context,List<Bean.DataBean> list) { this.list=list; this.context=context; } //下拉刷新会在第一条添加内容,上啦加载会在最后一条添加内容 public void sss(List<Bean.DataBean> data,boolean flag){ for (Bean.DataBean s: data) { if (flag){ list.add(s); }else{ list.add(,s); } } notifyDataSetChanged(); } @Override public int getCount() { ; } @Override public Object getItem(int position) { return null; } @Override public long getItemId(int position) { ; } @Override public View getView(int position, View convertView, ViewGroup parent) { ViewHoder hoder=null; if (convertView==null){ hoder=new ViewHoder(); //查找控件 convertView=View.inflate(context,R.layout.item,null); hoder.image= (ImageView) convertView.findViewById(R.id.image); hoder.nick= (TextView) convertView.findViewById(R.id.nick); hoder.title= (TextView) convertView.findViewById(R.id.title); convertView.setTag(hoder); }else{ hoder= (ViewHoder) convertView.getTag(); } //给每个空间id赋值 ImageLoader.getInstance().displayImage(list.get(position).getApp_shuffling_image(),hoder.image,appliction.getImageOptions()); hoder.nick.setText(list.get(position).getNick()); hoder.title.setText(list.get(position).getTitle()); return convertView; }//,并进行优化(5分) class ViewHoder{ private ImageView image; private TextView nick,title; } }
public class MyBaseadapter2 extends BaseAdapter { private Context context; private List<Bean.DataBean> list; public MyBaseadapter2(Context context,List<Bean.DataBean> list) { this.list=list; this.context=context; }//下拉刷新会在第一条添加内容,上啦加载会在最后一条添加内容 public void sss(List<Bean.DataBean> data,boolean flag){ for (Bean.DataBean s: data) { if (flag){ list.add(s); }else{ list.add(,s); } } notifyDataSetChanged(); } @Override public int getCount() { ; } @Override public Object getItem(int position) { return null; } @Override public long getItemId(int position) { ; } @Override public View getView(int position, View convertView, ViewGroup parent) { //多条目加载 ==){ convertView=View.inflate(context,R.layout.item1,null); ImageView image1 = (ImageView) convertView.findViewById(R.id.image1); TextView nick1 = (TextView) convertView.findViewById(R.id.nick1); TextView title1 = (TextView) convertView.findViewById(R.id.title1); ImageLoader.getInstance().displayImage(list.get(position).getApp_shuffling_image(),image1,appliction.getImageOptions()); nick1.setText(list.get(position).getNick()); title1.setText(list.get(position).getTitle()); }else{ convertView=View.inflate(context,R.layout.item2,null); ImageView image2 = (ImageView) convertView.findViewById(R.id.image2); TextView nick2 = (TextView) convertView.findViewById(R.id.nick2); TextView title2 = (TextView) convertView.findViewById(R.id.title2); ImageLoader.getInstance().displayImage(list.get(position).getApp_shuffling_image(),image2,appliction.getImageOptions()); nick2.setText(list.get(position).getNick()); title2.setText(list.get(position).getTitle()); } return convertView; } }
<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.wangshuaibiao201708251507b.MainActivity"> <android.support.v4.view.ViewPager android:layout_width="match_parent" android:layout_height="150dp" android:id="@+id/pager"></android.support.v4.view.ViewPager> <Button android:layout_width="match_parent" android:layout_height="wrap_content" android:id="@+id/btn" android:text="跳转多条目显示" android:layout_below="@+id/pager"/> <SeekBar android:layout_width="match_parent" android:layout_height="3dp" android:id="@+id/bar" android:layout_below="@+id/btn" /> <com.limxing.xlistview.view.XListView android:layout_width="match_parent" android:layout_height="match_parent" android:id="@+id/xlv" android:layout_below="@+id/bar"></com.limxing.xlistview.view.XListView> </RelativeLayout>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent"> <com.limxing.xlistview.view.XListView android:layout_width="match_parent" android:layout_height="match_parent" android:id="@+id/xlistview"></com.limxing.xlistview.view.XListView> </LinearLayout>
item
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent"> <ImageView android:layout_width="100dp" android:layout_height="100dp" android:src="@mipmap/ic_launcher" android:id="@+id/image" /> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="sssssssss" android:id="@+id/nick" android:layout_above="@+id/title" android:layout_centerHorizontal="true" android:layout_marginBottom="22dp" /> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/title" android:text="ddddddddddddddd" android:layout_marginBottom="21dp" android:layout_alignBottom="@+id/image" android:layout_alignLeft="@+id/nick" android:layout_alignStart="@+id/nick" /> </RelativeLayout>
item1
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent"> <ImageView android:layout_width="100dp" android:layout_height="100dp" android:src="@mipmap/ic_launcher" android:id="@+id/image1" /> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="sssssssss" android:id="@+id/nick1" android:layout_above="@+id/title1" android:layout_centerHorizontal="true" android:layout_marginBottom="22dp" /> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/title1" android:text="ddddddddddddddd" android:layout_marginBottom="21dp" android:layout_alignBottom="@+id/image1" android:layout_alignLeft="@+id/nick1" android:layout_alignStart="@+id/nick1" /> </RelativeLayout>
item2
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent"> <ImageView android:id="@+id/image2" android:layout_width="100dp" android:layout_height="100dp" android:src="@mipmap/ic_launcher" android:layout_alignParentRight="true"/> <TextView android:id="@+id/nick2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:layout_alignParentStart="true" android:layout_alignParentTop="true" android:layout_marginLeft="19dp" android:layout_marginStart="19dp" android:layout_marginTop="22dp" android:text="nick" /> <TextView android:id="@+id/title2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignBottom="@+id/image2" android:layout_alignLeft="@+id/nick2" android:layout_alignStart="@+id/nick2" android:layout_marginBottom="14dp" android:text="TextView" /> </RelativeLayout>
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