防今日头条案例

xiaoxiao2025-10-08  21

//最外层的布局 <?xml version="1.0" encoding="utf-8"?> <android.support.v4.widget.DrawerLayout 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:id="@+id/drawer" android:layout_width="match_parent" android:layout_height="match_parent" tools:context=".MainActivity"> <LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <android.support.v4.view.ViewPager android:id="@+id/viewpager" android:layout_width="match_parent" android:layout_height="0dp" android:layout_weight="9" /> <LinearLayout android:layout_width="match_parent" android:layout_height="2dp" android:orientation="horizontal" > <TextView android:id="@+id/t1" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_weight="1" android:background="#000" /> <TextView android:id="@+id/t2" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_weight="1" /> </LinearLayout> <RadioGroup android:id="@+id/group" android:layout_width="match_parent" android:layout_height="0dp" android:layout_weight="1" android:orientation="horizontal" > <RadioButton android:id="@+id/btn1" android:layout_width="match_parent" android:layout_height="match_parent" android:text="首页" android:gravity="center" android:button="@null" android:layout_weight="1" /> <RadioButton android:id="@+id/btn2" android:layout_width="match_parent" android:layout_height="match_parent" android:gravity="center" android:text="电影" android:button="@null" android:layout_weight="1" /> </RadioGroup> </LinearLayout> <fragment class="com.example.moni.fragment.AFragment" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_gravity="start" /> </android.support.v4.widget.DrawerLayout>

//侧拉框里面布局

<?xml version="1.0" encoding="utf-8"?>

<ImageView android:id="@+id/image" android:layout_width="50dp" android:layout_height="50dp" android:src="@drawable/ic_launcher_background" android:layout_marginTop="20dp" android:layout_marginLeft="20dp" /> <TextView android:id="@+id/text" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="所有收件箱" android:textSize="20dp" android:layout_marginLeft="100dp" android:layout_marginTop="26dp" />

//多列表布局一

<?xml version="1.0" encoding="utf-8"?>

<TextView android:id="@+id/t1" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="范围内服务" /> <ImageView android:id="@+id/image" android:layout_width="100dp" android:layout_height="100dp" android:src="@drawable/ic_launcher_background" android:layout_alignParentRight="true" />

//多列表布局二

<?xml version="1.0" encoding="utf-8"?>

<TextView android:id="@+id/t1" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="分外无法" /> <ImageView android:id="@+id/image1" android:layout_width="100dp" android:layout_height="100dp" android:src="@drawable/ic_launcher_background" android:layout_marginTop="30dp" /> <ImageView android:id="@+id/image2" android:layout_width="100dp" android:layout_height="100dp" android:src="@drawable/ic_launcher_background" android:layout_marginTop="30dp" android:layout_marginLeft="120dp" /> <ImageView android:id="@+id/image3" android:layout_width="100dp" android:layout_height="100dp" android:src="@drawable/ic_launcher_background" android:layout_marginTop="30dp" android:layout_marginLeft="240dp" />

//第一个页面fragment布局

<?xml version="1.0" encoding="utf-8"?>

//第二个页面fragment布局

<?xml version="1.0" encoding="utf-8"?>

<!-- TODO: Update blank fragment layout --> <Button android:id="@+id/btn" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="跳转到频道管理" />

TableLaytout布局

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <android.support.design.widget.TabLayout android:id="@+id/table" android:layout_width="match_parent" android:layout_height="wrap_content"/> <android.support.v4.view.ViewPager android:id="@+id/viewpager" android:layout_width="match_parent" android:layout_height="match_parent"/> </LinearLayout>

xlistViewV布局

<?xml version="1.0" encoding="utf-8"?>

<!-- TODO: Update blank fragment layout --> <com.example.xlist.me.maxwin.view.XListView android:id="@+id/xlv" android:layout_width="match_parent" android:layout_height="match_parent"/>

//Main方法实现具体页面

package com.example.moni;

import android.graphics.Color; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentPagerAdapter; import android.support.v4.view.ViewPager; import android.support.v4.widget.DrawerLayout; import android.support.v7.app.ActionBar; import android.support.v7.app.ActionBarDrawerToggle; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.MenuItem; import android.widget.Button; import android.widget.RadioGroup; import android.widget.TextView;

import com.example.moni.activity.BaseActivity; import com.example.moni.fragment.BFragment; import com.example.moni.fragment.CFragment;

public class MainActivity extends BaseActivity {

private DrawerLayout drawer; private RadioGroup group; private TextView t1,t2; private ViewPager viewpager; private ActionBarDrawerToggle toggle; @Override protected int getId() { return R.layout.activity_main; } @Override protected void initview() { ActionBar actionBar = getSupportActionBar(); actionBar.setDisplayHomeAsUpEnabled(true); toggle = new ActionBarDrawerToggle(this,drawer,R.string.open,R.string.close); toggle.syncState(); drawer.addDrawerListener(toggle); } @Override protected void init() { drawer = findViewById(R.id.drawer); group = findViewById(R.id.group); t1 = findViewById(R.id.t1); t2 = findViewById(R.id.t2); viewpager = findViewById(R.id.viewpager); drawer.setDrawerLockMode(DrawerLayout.LOCK_MODE_UNDEFINED); viewpager.setAdapter(new FragmentPagerAdapter(getSupportFragmentManager()) { @Override public Fragment getItem(int i) { switch (i){ case 0: BFragment bfragment = new BFragment(); return bfragment; case 1: CFragment cfragment = new CFragment(); return cfragment; } return null; } @Override public int getCount() { return 2; } }); group.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() { @Override public void onCheckedChanged(RadioGroup group, int checkedId) { switch (checkedId){ case R.id.btn1: viewpager.setCurrentItem(0); break; case R.id.btn2: viewpager.setCurrentItem(1); break; } } }); viewpager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() { @Override public void onPageScrolled(int i, float v, int i1) { } @Override public void onPageSelected(int i) { switch (i){ case 0: group.check(R.id.btn1); t1.setBackgroundColor(Color.BLACK); t2.setBackgroundColor(Color.WHITE); break; case 1: group.check(R.id.btn2); t2.setBackgroundColor(Color.BLACK); t1.setBackgroundColor(Color.WHITE); break; } } @Override public void onPageScrollStateChanged(int i) { } }); } @Override public boolean onOptionsItemSelected(MenuItem item) { if(toggle.onOptionsItemSelected(item)){ return true; } return super.onOptionsItemSelected(item); }

}

//封装基类

package com.example.moni.activity;

import android.os.Bundle; import android.support.annotation.Nullable; import android.support.v7.app.AppCompatActivity;

public abstract class BaseActivity extends AppCompatActivity {

@Override protected void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(getId()); init(); initview(); } protected abstract int getId(); protected abstract void initview(); protected abstract void init();

}

//实现Xlistview多条目adapter

package com.example.moni.adapter;

import android.content.Context; 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 com.example.moni.ImageConfs; import com.example.moni.R; import com.example.moni.bean.Person; import com.nostra13.universalimageloader.core.ImageLoader;

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

public class Heyadapter extends BaseAdapter {

List<Person.DateBean> list; Context context; @Override public int getItemViewType(int position) { if(position % 3 == 0){ return 0; }else{ return 1; } } public void setDate(List<Person.DateBean> dateBeans){ list = dateBeans; notifyDataSetChanged(); } public void addDate(List<Person.DateBean> dateBeans){ if(dateBeans != null){ list = dateBeans ; notifyDataSetChanged(); } } @Override public int getViewTypeCount() { return 2; } public Heyadapter(Context context) { this.context = context; list = new ArrayList<>(); } public void setList(List<Person.DateBean> list){ this.list = list; notifyDataSetChanged(); } @Override public int getCount() { return list.size(); } @Override public Object getItem(int position) { return list.get(position); } @Override public long getItemId(int position) { return position; } @Override public View getView(int position, View convertView, ViewGroup parent) { if(getItemViewType(position) == 0){ Viewhloder vh; if(convertView == null){ convertView = LayoutInflater.from(context).inflate(R.layout.dfragment_text1,null); vh = new Viewhloder(convertView); }else{ vh = (Viewhloder) convertView.getTag(); } Person.DateBean data = (Person.DateBean) getItem(position); vh.BindDate(data); return convertView; }else{ Viewhloder1 vh; if(convertView == null){ convertView = LayoutInflater.from(context).inflate(R.layout.dfragment_text2,null); vh = new Viewhloder1(convertView); }else{ vh = (Viewhloder1) convertView.getTag(); } Person.DateBean data = (Person.DateBean) getItem(position); vh.BindDate(data); return convertView; } } class Viewhloder{ TextView t1; ImageView image; public Viewhloder(View view) { t1 = view.findViewById(R.id.t1); image = view.findViewById(R.id.image); view.setTag(this); } public void BindDate(Person.DateBean data){ t1.setText(data.getTitle()); ImageLoader.getInstance().displayImage(data.getThumbnail_pic_s(),image,ImageConfs.getpon()); } } class Viewhloder1{ TextView t1; ImageView image1; ImageView image2; ImageView image3; public Viewhloder1(View view) { t1 = view.findViewById(R.id.t1); image1 = view.findViewById(R.id.image1); image2 = view.findViewById(R.id.image2); image3 = view.findViewById(R.id.image3); view.setTag(this); } public void BindDate(Person.DateBean data){ t1.setText(data.getTitle()); ImageLoader.getInstance().displayImage(data.getThumbnail_pic_s(),image1,ImageConfs.getpon()); ImageLoader.getInstance().displayImage(data.getThumbnail_pic_s02(),image2,ImageConfs.getpon()); ImageLoader.getInstance().displayImage(data.getThumbnail_pic_s03(),image3,ImageConfs.getpon()); } }

}

//实现TableLayoutadapter package com.example.moni.adapter;

import android.support.v4.app.Fragment; import android.support.v4.app.FragmentManager; import android.support.v4.app.FragmentPagerAdapter; import android.widget.BaseAdapter;

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

public class Myadapter extends FragmentPagerAdapter {

List<Fragment> main; public Myadapter(FragmentManager fm) { super(fm); } @Override public Fragment getItem(int i) { Fragment fragment = main.get(i); return fragment; } @Override public int getCount() { return main.size(); } public void setfragments(ArrayList<Fragment> list) { main = list; }

}

//请求网络数据类 package com.example.moni.bean;

import java.util.List;

public class Person { public String msg; public int code; public List data;

public String getMsg() { return msg; } public void setMsg(String msg) { this.msg = msg; } public int getCode() { return code; } public void setCode(int code) { this.code = code; } public List<DateBean> getData() { return data; } public void setData(List<DateBean> data) { this.data = data; } public class DateBean{ public String title; public String thumbnail_pic_s; public String thumbnail_pic_s02; public String thumbnail_pic_s03; public String getTitle() { return title; } public void setTitle(String title) { this.title = title; } public String getThumbnail_pic_s() { return thumbnail_pic_s; } public void setThumbnail_pic_s(String thumbnail_pic_s) { this.thumbnail_pic_s = thumbnail_pic_s; } public String getThumbnail_pic_s02() { return thumbnail_pic_s02; } public void setThumbnail_pic_s02(String thumbnail_pic_s02) { this.thumbnail_pic_s02 = thumbnail_pic_s02; } public String getThumbnail_pic_s03() { return thumbnail_pic_s03; } public void setThumbnail_pic_s03(String thumbnail_pic_s03) { this.thumbnail_pic_s03 = thumbnail_pic_s03; } }

}

//Afragment实现侧拉框里面数据 package com.example.moni.fragment;

import android.os.Bundle; import android.support.v4.app.Fragment; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.ImageView; import android.widget.ListView; import android.widget.TextView;

import com.example.moni.R;

import java.util.ArrayList;

public class AFragment extends Fragment { private ListView lv; ArrayList list;

@Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.fragment_a, container, false); list = new ArrayList<>(); lv = view.findViewById(R.id.lv); for (int i = 0; i <10 ; i++) { list.add("所有邮箱"); } lv.setAdapter(new BaseAdapter() { @Override public int getCount() { return list.size(); } @Override public Object getItem(int position) { return list.get(position); } @Override public long getItemId(int position) { return 0; } @Override public View getView(int position, View convertView, ViewGroup parent) { Vhes vh; if(convertView == null){ convertView = LayoutInflater.from(getActivity()).inflate(R.layout.afragment_list_text,null); vh = new Vhes(); vh.text = convertView.findViewById(R.id.text); convertView.setTag(vh); }else{ vh = (Vhes) convertView.getTag(); } vh.text.setText(list.get(position)); return convertView; } }); return view; } class Vhes{ TextView text; }

}

//Bfragment实现频道管理数据 package com.example.moni.fragment;

import android.os.Bundle; import android.support.v4.app.Fragment; import android.support.v7.app.AppCompatActivity; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.Button;

import com.andy.library.ChannelActivity; import com.andy.library.ChannelBean; import com.example.moni.R;

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

public class BFragment extends Fragment {

private Button btn; private List<ChannelBean> list; private String jsonStr; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.fragment_b, container, false); btn =view.findViewById(R.id.btn); button(); return view; } private void button() { btn.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if(list == null){ list = new ArrayList<>(); list.add(new ChannelBean("军事",true)); list.add(new ChannelBean("军事",true)); list.add(new ChannelBean("军事",true)); list.add(new ChannelBean("军事",true)); list.add(new ChannelBean("军事",true)); list.add(new ChannelBean("军事",true)); list.add(new ChannelBean("军事",true)); list.add(new ChannelBean("军事",true)); ChannelActivity.startChannelActivity((AppCompatActivity) getActivity(),list); }else if (jsonStr!=null){//当判断保存的字符串不为空的时候,直接加载已经有了的字符串 ChannelActivity.startChannelActivity((AppCompatActivity) getActivity(),jsonStr); } } }); }

}

//Cfragment实现TableLayout package com.example.moni.fragment;

import android.os.Bundle; import android.support.design.widget.TabLayout; import android.support.v4.app.Fragment; import android.support.v4.view.ViewPager; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup;

import com.example.moni.R; import com.example.moni.adapter.Myadapter;

import java.util.ArrayList;

public class CFragment extends Fragment {

private TabLayout table; private ViewPager viewpager; private ArrayList<Fragment> list; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.fragment_c, container, false); // Inflate the layout for this fragment table = view.findViewById(R.id.table); viewpager = view.findViewById(R.id.viewpager); init(); return view; } private void init() { list = new ArrayList<>(); list.add(new DFragment()); list.add(new EFragment()); Myadapter ma = new Myadapter(getChildFragmentManager()); ma.setfragments(list); viewpager.setAdapter(ma); table.setupWithViewPager(viewpager); table.getTabAt(0).setText("娱乐"); table.getTabAt(1).setText("电影"); }

}

//Dfragment实现Xlistview多条目 package com.example.moni.fragment;

import android.content.Context; import android.net.ConnectivityManager; import android.net.NetworkInfo; import android.os.AsyncTask; import android.os.Bundle; import android.support.v4.app.Fragment; import android.support.v4.app.Person; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.Toast;

import com.example.moni.R; import com.example.moni.adapter.Heyadapter; import com.example.xlist.me.maxwin.view.XListView; import com.google.gson.Gson;

import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.net.HttpURLConnection; import java.net.MalformedURLException; import java.net.URL; import java.util.Date; import java.util.List;

public class DFragment extends Fragment {

private XListView xlv; private Heyadapter ha; private int page = 1; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.fragment_d, container, false); xlv = view.findViewById(R.id.xlv); ha = new Heyadapter(getActivity()); // Inflate the layout for this fragment xlv.setAdapter(ha); xlv.setPullLoadEnable(true); xlv.setXListViewListener(new XListView.IXListViewListener() { @Override public void onRefresh() { page =1; Loadehzj(page); } @Override public void onLoadMore() { Loadehzj(page); } }); return view; } private void stopdf() { page++; xlv.stopRefresh(); xlv.stopLoadMore(); } private void Loadehzj(int page) { final String path = "http://www.xieast.com/api/news/news.php?page=1"; if(!HaveNetWork()) { Toast.makeText(getActivity(), "没有网络", Toast.LENGTH_SHORT).show(); }else{ String Urlwith = path +page; new AsyncTask<String,String, List<com.example.moni.bean.Person.DateBean>>(){ @Override protected List<com.example.moni.bean.Person.DateBean> doInBackground(String... strings) { com.example.moni.bean.Person dian = null; try { URL url = new URL(path); HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection(); httpURLConnection.setReadTimeout(5000); httpURLConnection.setConnectTimeout(5000); httpURLConnection.setRequestMethod("GET"); int request = httpURLConnection.getResponseCode(); if(request == 200){ String str = String2(httpURLConnection.getInputStream()); dian = new Gson().fromJson(str, com.example.moni.bean.Person.class); } } catch (Exception e) { e.printStackTrace(); } return dian == null ? null : dian.getData(); } @Override protected void onPostExecute(List<com.example.moni.bean.Person.DateBean> dateBean) { if(dateBean == null){ Toast.makeText(getActivity(),"下拉数据失败",Toast.LENGTH_SHORT).show(); } updateset(dateBean); stopdf(); super.onPostExecute(dateBean); } }.execute(Urlwith); } } //判断网络 public boolean HaveNetWork() { ConnectivityManager con = (ConnectivityManager) getActivity().getSystemService( Context.CONNECTIVITY_SERVICE ); NetworkInfo act = con.getActiveNetworkInfo(); return act!=null && act.isAvailable(); } private void updateset(List<com.example.moni.bean.Person.DateBean> dateBean) { if(page == 1){ ha.setDate(dateBean); Date date = new Date(); xlv.setRefreshTime(date.toLocaleString()); }else{ ha.addDate(dateBean); } } private String String2(InputStream inputStream) throws IOException { BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream)); StringBuilder stringBuilder = new StringBuilder(); String text = null; while((text=bufferedReader.readLine())!=null){ stringBuilder.append(text); } bufferedReader.close(); return stringBuilder.toString(); }

}

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