主布局
<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:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context="com.bawei.text06.MainActivity">
<LinearLayout
android:background="#357"
android:layout_width="300dp"
android:layout_height="match_parent"
android:layout_gravity="left"
android:orientation="vertical">
<ImageView
android:id="@+id/img"
android:background="@drawable/a"
android:layout_gravity="center_horizontal"
android:layout_width="115dp"
android:layout_height="205dp" />
<TextView
android:layout_width="wrap_content"
android:layout_gravity="center_horizontal"
android:layout_height="wrap_content"
android:text="未登入"
android:textSize="18sp" />
<TextView
android:layout_width="wrap_content"
android:layout_gravity="center_horizontal"
android:layout_height="wrap_content"
android:layout_marginTop="30dp"
android:text="1"
android:textSize="25sp" />
<TextView
android:layout_width="wrap_content"
android:layout_gravity="center_horizontal"
android:layout_height="wrap_content"
android:layout_marginTop="30dp"
android:text="2"
android:textSize="18sp" />
<TextView
android:layout_width="wrap_content"
android:layout_gravity="center_horizontal"
android:layout_height="wrap_content"
android:layout_marginTop="30dp"
android:text="3"
android:textSize="18sp" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:layout_marginTop="30dp"
android:text="4"
android:textSize="18sp" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<FrameLayout
android:id="@+id/fram"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:layout_above="@id/rg"></FrameLayout>
<RadioGroup
android:id="@+id/rg"
android:layout_width="match_parent"
android:layout_height="20dp"
android:layout_alignParentBottom="true"
android:orientation="horizontal">
<RadioButton
android:id="@+id/a"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:button="@null"
android:checked="true"
android:gravity="center"
android:text="首頁" />
<RadioButton
android:id="@+id/b"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:button="@null"
android:gravity="center"
android:text="西瓜視訊" />
<RadioButton
android:id="@+id/c"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:button="@null"
android:gravity="center"
android:text="微頭條" />
<RadioButton
android:id="@+id/d"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:button="@null"
android:gravity="center"
android:text="我的" />
</RadioGroup>
</LinearLayout>
</android.support.v4.widget.DrawerLayout>
MainActivity
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v7.app.AppCompatActivity;
import android.widget.RadioGroup;
import com.bawei.text06.fragment.AF;
import com.bawei.text06.fragment.BF;
import com.bawei.text06.fragment.CF;
import com.bawei.text06.fragment.DF;
public class MainActivity extends AppCompatActivity {
private RadioGroup rg;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//查找控件
rg = findViewById(R.id.rg);
rg.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(RadioGroup radioGroup, int i) {
switch (i){
case R.id.a:addFragment(new AF());
case R.id.b:addFragment(new BF());
case R.id.c:addFragment(new CF());
case R.id.d:addFragment(new DF());
}
}
});
addFragment(new AF());
}
private void addFragment(Fragment fragment) {
getSupportFragmentManager().beginTransaction().replace(R.id.fram, fragment).commit();
}
}
A、B、C、D布局 a.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:orientation="vertical">
<android.support.design.widget.TabLayout
android:id="@+id/tab"
app:tabIndicatorColor="@color/colorPrimary"
app:tabSelectedTextColor="@color/colorPrimary"
app:tabTextColor="@color/colorAccent"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
<android.support.v4.view.ViewPager
android:id="@+id/vp"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"></android.support.v4.view.ViewPager>
</LinearLayout>
A、B、C、D頁面
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 com.bawei.text06.R;
import com.bawei.text06.fragments.f1;
import com.bawei.text06.fragments.f2;
import com.bawei.text06.fragments.f3;
import com.bawei.text06.fragments.f4;
import com.bawei.text06.fragments.f5;
import com.bawei.text06.fragments.f6;
import java.util.ArrayList;
import java.util.List;
/**
* Created by sky on 2017/11/21.
*/
public class AF extends Fragment {
private ViewPager vp;
private TabLayout tab;
List<String> tablist=new ArrayList<>();
List<Fragment> fraglist=new ArrayList<>();
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View v = View.inflate(getActivity(), R.layout.a, null);
//給TabLayout集合添加文字
gettablist();
//擷取fragment
getfraglist();
//通過ID擷取控件
vp = v.findViewById(R.id.vp);
tab = v.findViewById(R.id.tab);
//設定TabLayout的模式
tab.setTabMode(TabLayout.MODE_FIXED);
//關聯ViewPager
tab.setupWithViewPager(vp);
//給ViewPager添加擴充卡
MyvpAdaper m=new MyvpAdaper(getChildFragmentManager());
vp.setAdapter(m);
return v;
}
private void getfraglist() {
fraglist.add(new f1());
fraglist.add(new f2());
fraglist.add(new f3());
fraglist.add(new f4());
fraglist.add(new f5());
fraglist.add(new f6());
}
private void gettablist() {
tablist.add("關注");
tablist.add("推薦");
tablist.add("十九大");
tablist.add("熱點");
tablist.add("科技");
tablist.add("視訊");
}
private class MyvpAdaper extends FragmentPagerAdapter {
public MyvpAdaper(FragmentManager fm) {
super(fm);
}
@Override
public Fragment getItem(int position) {
return fraglist.get(position);
}
@Override
public int getCount() {
return fraglist.size();
}
//重寫傳回标題的方法
@Override
public CharSequence getPageTitle(int position) {
return tablist.get(position);
}
}
}
f1、f2、f3、f4、f5布局 item.xml
<com.handmark.pulltorefresh.library.PullToRefreshListView
android:id="@+id/pull"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:cacheColorHint="#00000000"
android:divider="#19000000"
android:dividerHeight="4dp"
android:fadingEdge="none"
android:fastScrollEnabled="false"
android:footerDividersEnabled="false"
android:headerDividersEnabled="false"
android:smoothScrollbar="true" />
顯示的頁面 item2.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal">
<ImageView
android:id="@+id/img"
android:layout_width="100dp"
android:layout_height="100dp" />
<TextView
android:id="@+id/tv"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>
f1、f2、f3、f4、f5頁面
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Handler;
import android.support.annotation.NonNull;
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.BaseAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import com.bawei.text06.R;
import com.bawei.text06.bean.Bean;
import com.google.gson.Gson;
import com.handmark.pulltorefresh.library.ILoadingLayout;
import com.handmark.pulltorefresh.library.PullToRefreshBase;
import com.handmark.pulltorefresh.library.PullToRefreshListView;
import com.nostra13.universalimageloader.core.ImageLoader;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
/**
* Created by sky on 2017/11/21.
*/
public class f1 extends Fragment {
private String url = "http://www.meirixue.com/api.php?c=index&a=index";
private PullToRefreshListView pullToRefreshListView;
private StringBuilder builder;
private List<Bean.DataBean.AdlistBean> list = new ArrayList<>();
private Handler myHandler = new Handler();
private MyAdapter adapter;
int index = ;
int type = ;
@Nullable
@Override
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
/* View inflate = inflater.inflate(R.layout.item, null);*/
View v = View.inflate(getActivity(), R.layout.item, null);
pullToRefreshListView = v.findViewById(R.id.pull);
init();
initLv();
adapter = new MyAdapter();
return v;
}
class Mytask extends AsyncTask<String, Void, String> {
@Override
protected String doInBackground(String... strings) {
try {
//擷取url
URL url = new URL(strings[]);
//請求網絡
HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
int code = urlConnection.getResponseCode();
//判斷是否傳回成功
if (code == ) {
//擷取網絡資訊
InputStream inputStream = urlConnection.getInputStream();
BufferedReader bf = new BufferedReader(new InputStreamReader(inputStream));
builder = new StringBuilder();
String s =null;
//拼接
while ((s = bf.readLine()) != null) {
builder.append(s);
}
}
} catch (Exception e) {
e.printStackTrace();
}
return builder.toString();
}
@Override
protected void onPostExecute(String s) {
super.onPostExecute(s);
Gson gson = new Gson();
Bean json = gson.fromJson(s, Bean.class);
List<Bean.DataBean.AdlistBean> list1 = json.getData().getAdlist();
//list.addAll(list1);
list.addAll(list1);
setAdapter();
adapter.notifyDataSetChanged();
}
}
public void setAdapter() {
pullToRefreshListView.setAdapter(adapter);
}
public void init() {
Mytask mytask = new Mytask();
mytask.execute(url);
}
public void addtoTop() {
type = ;
index++;
Mytask mytask = new Mytask();
mytask.execute(url);
}
public void addtoBottom() {
type = ;
index++;
Mytask mytask = new Mytask();
mytask.execute(url);
}
public void initLv() {
//設定重新整理模式 ,both代表支援上拉和下拉,pull_from_end代表上拉,pull_from_start代表下拉
pullToRefreshListView.setMode(PullToRefreshBase.Mode.BOTH);
ILoadingLayout startLabels = pullToRefreshListView.getLoadingLayoutProxy(true, false);
startLabels.setPullLabel("下拉重新整理");
startLabels.setRefreshingLabel("正在拉");
startLabels.setReleaseLabel("放開重新整理");
ILoadingLayout endLabels = pullToRefreshListView.getLoadingLayoutProxy(false, true);
endLabels.setPullLabel("上拉重新整理");
endLabels.setRefreshingLabel("正在載入...");
endLabels.setReleaseLabel("放開重新整理...");
pullToRefreshListView.setOnRefreshListener(new PullToRefreshBase.OnRefreshListener2<ListView>() {
@Override
public void onPullDownToRefresh(PullToRefreshBase<ListView> refreshView) {//下拉重新整理的回調
//下拉重新整理的資料,顯示在listview清單的最上面
addtoTop();
myHandler.postDelayed(new Runnable() {
@Override
public void run() {
//重新整理完成,必須在異步下完成
pullToRefreshListView.onRefreshComplete();
//重新整理擴充卡
}
}, );
}
@Override
public void onPullUpToRefresh(PullToRefreshBase<ListView> refreshView) {//上拉加載的回調
//加載更多的資料,添加到集合清單的最後面
addtoBottom();
myHandler.postDelayed(new Runnable() {
@Override
public void run() {
//重新整理完成,必須在異步下完成
pullToRefreshListView.onRefreshComplete();
}
}, );
}
});
}
class MyAdapter extends BaseAdapter {
@Override
public int getCount() {
return list.size();
}
@Override
public Object getItem(int position) {
return null;
}
@Override
public long getItemId(int position) {
return ;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
Viewholder vh;
if (convertView == null) {
vh = new Viewholder();
convertView = View.inflate(getActivity(), R.layout.item2, null);
vh.img = (ImageView) convertView.findViewById(R.id.img);
vh.tv = (TextView) convertView.findViewById(R.id.tv);
convertView.setTag(vh);
} else {
vh = (Viewholder) convertView.getTag();
}
vh.tv.setText(list.get(position).getTitle());
ImageLoader.getInstance().displayImage(list.get(position).getImg(), vh.img);
return convertView;
}
}
public static class Viewholder {
ImageView img;
TextView tv;
}
}
ImageloaderUtil
import android.content.Context;
import android.graphics.Bitmap;
import android.os.Environment;
import com.nostra13.universalimageloader.cache.disc.impl.UnlimitedDiscCache;
import com.nostra13.universalimageloader.cache.disc.naming.Md5FileNameGenerator;
import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;
import com.nostra13.universalimageloader.core.display.RoundedBitmapDisplayer;
import java.io.File;
/**
* Created by sky on 2017/11/21.
*/
class ImageloaderUtil {
public static void initConfig(Context context) {
//配置
// File cacheFile=context.getExternalCacheDir();
File cacheFile= new File(Environment.getExternalStorageDirectory()+"/"+"image");
ImageLoaderConfiguration config=new ImageLoaderConfiguration.Builder(context)
.memoryCacheExtraOptions(, )//緩存圖檔最大的長和寬
.threadPoolSize()//線程池的數量
.threadPriority()
.memoryCacheSize(**)//設定記憶體緩存區大小
.diskCacheSize(**)//設定sd卡緩存區大小
.diskCache(new UnlimitedDiscCache(cacheFile))//自定義緩存目錄
.writeDebugLogs()//列印日志内容
.diskCacheFileNameGenerator(new Md5FileNameGenerator())//給緩存的檔案名進行md5加密處理
.build();
ImageLoader.getInstance().init(config);
}
/**
* 擷取圖檔設定類
* @return
*/
public static DisplayImageOptions getImageOptions(){
DisplayImageOptions optionsoptions=new DisplayImageOptions.Builder()
.cacheInMemory(true)//使用記憶體緩存
.cacheOnDisk(true)//使用磁盤緩存
.bitmapConfig(Bitmap.Config.RGB_565)//設定圖檔格式
.displayer(new RoundedBitmapDisplayer())//設定圓角,參數代表弧度
.build();
return optionsoptions;
}
}
myapp
import android.app.Application;
/**
* Created by sky on 2017/11/21.
*/
public class myapp extends Application {
@Override
public void onCreate() {
super.onCreate();
ImageloaderUtil.initConfig(this);
}
}