DrawerLayout侧滑+TabLayout横向滑动+ViewPager+轮播+PullToRefresh

来源:互联网 发布:java测试是干什么的 编辑:程序博客网 时间:2024/05/22 16:59

主布局

<?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"    android:id="@+id/draw"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    tools:context="com.example.week3_moni.MainActivity">        <RelativeLayout            android:layout_width="match_parent"            android:layout_height="match_parent">            <RadioGroup                android:id="@+id/rel_navigate"                android:layout_width="match_parent"                android:layout_height="wrap_content"                android:layout_alignParentBottom="true"                android:orientation="horizontal">                <RadioButton                    android:id="@+id/rb_sy"                    android:layout_width="0dp"                    android:layout_height="wrap_content"                    android:layout_weight="1"                    android:background="@drawable/rb_selector"                    android:button="@null"                    android:checked="true"                    android:gravity="center"                    android:padding="3dp"                    android:text="首页" />                <!--rb_index-->                <RadioButton                    android:id="@+id/rb_fx"                    android:layout_width="0dp"                    android:layout_height="wrap_content"                    android:layout_weight="1"                    android:background="@drawable/rb_selector"                    android:button="@null"                    android:gravity="center"                    android:padding="3dp"                    android:text="发现" />                <!--rb_video-->                <RadioButton                    android:id="@+id/rb_xz"                    android:layout_width="0dp"                    android:layout_height="wrap_content"                    android:layout_weight="1"                    android:background="@drawable/rb_selector"                    android:button="@null"                    android:gravity="center"                    android:padding="3dp"                    android:text="下载" />                <!--rb_top-->                <RadioButton                    android:id="@+id/rb_wd"                    android:layout_width="0dp"                    android:layout_height="wrap_content"                    android:layout_weight="1"                    android:background="@drawable/rb_selector"                    android:button="@null"                    android:gravity="center"                    android:padding="3dp"                    android:text="我的" />                <!--rb_me-->            </RadioGroup>            <FrameLayout                android:id="@+id/frag"                android:layout_width="match_parent"                android:layout_height="match_parent"                android:layout_above="@id/rel_navigate"></FrameLayout>            <!--main_content-->        </RelativeLayout>        <!--侧拉菜单的布局   android:layout_gravity="start"  菜单在左边  end  菜单在右边 -->        <LinearLayout            android:id="@+id/lin"            android:layout_width="match_parent"            android:layout_height="match_parent"            android:layout_gravity="start"            android:background="#CDECFC"            android:orientation="vertical">            <ImageView                android:id="@+id/img"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:layout_marginTop="10dp"                android:src="@mipmap/ic_launcher" />            <TextView                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:layout_marginTop="20dp"                android:text="152****8083" />            <Button                android:layout_width="match_parent"                android:layout_height="wrap_content"                android:text="去完成身份认证" />            <LinearLayout                android:layout_width="match_parent"                android:layout_height="match_parent"                android:orientation="vertical">                <TextView                    android:layout_width="wrap_content"                    android:layout_height="wrap_content"                    android:layout_marginTop="18dp"                    android:text="钱包"                    android:textSize="19dp" />                <TextView                    android:layout_width="wrap_content"                    android:layout_height="wrap_content"                    android:layout_marginTop="12dp"                    android:text="行程记录"                    android:textSize="19dp" />                <TextView                    android:layout_width="wrap_content"                    android:layout_height="wrap_content"                    android:layout_marginTop="12dp"                    android:text="好友邀请"                    android:textSize="19dp" />                <TextView                    android:layout_width="wrap_content"                    android:layout_height="wrap_content"                    android:layout_marginTop="12dp"                    android:text="设置"                    android:textSize="19dp" />            </LinearLayout>        </LinearLayout></android.support.v4.widget.DrawerLayout>

fragment

首页shouye_fragment

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:app="http://schemas.android.com/apk/res-auto"    xmlns:ptr="http://schemas.android.com/apk/res-auto"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical"    android:background="#FDFBA4">    <android.support.design.widget.TabLayout        android:id="@+id/tab"        android:layout_width="match_parent"        android:layout_height="40dp"        app:tabGravity="center"        app:tabIndicatorColor="@color/colorAccent"        app:tabMode="scrollable"        app:tabSelectedTextColor="@color/colorPrimaryDark"        app:tabTextColor="@color/colorPrimary"></android.support.design.widget.TabLayout>    <android.support.v4.view.ViewPager        android:id="@+id/vp"        android:layout_width="match_parent"        android:layout_height="match_parent"></android.support.v4.view.ViewPager></LinearLayout>

发现,下载,我的

<?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">    <TextView        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:textSize="24dp"        android:text="我的页面"/></LinearLayout>
TabLayout的fragment

推荐  tuijie_fragment

<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:ptr="http://schemas.android.com/apk/res-auto"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical"    android:background="#8CDFFB">    <android.support.v4.view.ViewPager        android:layout_width="match_parent"        android:layout_height="260dp"        android:id="@+id/vp"        android:layout_alignParentTop="true"        ></android.support.v4.view.ViewPager>    <com.handmark.pulltorefresh.library.PullToRefreshListView        android:id="@+id/plv"        android:layout_below="@+id/vp"        android:layout_width="match_parent"        android:layout_height="match_parent"        ptr:ptrDrawable="@drawable/default_ptr_flip"        ptr:ptrAnimationStyle="flip"        ptr:ptrHeaderBackground="#383838"        ptr:ptrHeaderTextColor="#FFFFFF"></com.handmark.pulltorefresh.library.PullToRefreshListView></RelativeLayout>

课程,实战,职业路径

<?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:background="#D9A5FC">    <TextView        android:id="@+id/tv"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:textSize="20dp"        android:text="课程"/></LinearLayout>

item_list
<?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="horizontal">    <ImageView        android:id="@+id/img"        android:layout_width="100dp"        android:layout_height="100dp"        android:src="@mipmap/ic_launcher"/>    <TextView        android:id="@+id/tv"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="234"/></LinearLayout>
fragment背景颜色设置
rb_selector
<?xml version="1.0" encoding="utf-8"?><selector xmlns:android="http://schemas.android.com/apk/res/android">    <item android:state_checked="true" android:drawable="@android:color/holo_red_dark"></item></selector>

ic_empty,ic_error,ic_stub
<?xml version="1.0" encoding="utf-8"?><selector xmlns:android="http://schemas.android.com/apk/res/android"></selector>

MyTask
package com.example.week3_moni;import android.os.AsyncTask;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;/** * Created by ass on 2017/10/21. */public class MyTask extends AsyncTask<String,Void,String> {    private Icallback icallback;    private StringBuilder sb;    public MyTask(Icallback icallback) {        this.icallback = icallback;    }    @Override    protected String doInBackground(String... params) {        try {            URL url=new URL(params[0]);            HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();            urlConnection.setRequestMethod("GET");            urlConnection.setReadTimeout(2000);            urlConnection.setConnectTimeout(2000);            if(urlConnection.getResponseCode()==200){                InputStream inputStream = urlConnection.getInputStream();                sb=new StringBuilder();                String con;                BufferedReader br=new BufferedReader(new InputStreamReader(inputStream));                if((con=br.readLine())!=null){                    sb.append(con);                }                //Log.i("----", "醉了"+sb.toString());                return sb.toString();            }        } catch (MalformedURLException e) {            e.printStackTrace();        } catch (IOException e) {            e.printStackTrace();        }        return null;    }    @Override    protected void onPostExecute(String s) {        super.onPostExecute(s);        icallback.Updatatext(s);    }    public interface Icallback{        void Updatatext(String str);    }}

ImagePager
package com.example.week3_moni;import android.content.Context;import android.support.v4.view.PagerAdapter;import android.view.View;import android.view.ViewGroup;import android.widget.ImageView;import com.example.week3_moni.Util.MyApplication;import com.nostra13.universalimageloader.core.ImageLoader;import java.util.List;/** * Created by ass on 2017/10/21. */public class ImagePager extends PagerAdapter{    Context context;    List<String> list;    public ImagePager(Context context, List<String> list) {        this.context = context;        this.list = list;    }    @Override    public int getCount() {        return Integer.MAX_VALUE;    }    @Override    public boolean isViewFromObject(View view, Object object) {        return view==object;    }    @Override    public Object instantiateItem(ViewGroup container, int position) {        ImageView imageView=new ImageView(context);        imageView.setScaleType(ImageView.ScaleType.FIT_XY);        ImageLoader.getInstance().displayImage(list.get(position%list.size()),imageView,MyApplication.getImageOptions());        container.addView(imageView);        return imageView;    }    @Override    public void destroyItem(ViewGroup container, int position, Object object) {        container.removeView((View) object);    }}

UtilBean
MyPagerAdapter(TabLayout的viewpager)
package com.example.week3_moni.Adapter;import android.support.v4.app.Fragment;import android.support.v4.app.FragmentManager;import android.support.v4.app.FragmentPagerAdapter;import com.example.week3_moni.Fragment.ContentFragment;import com.example.week3_moni.TabFragment.KechengFragment;import com.example.week3_moni.TabFragment.ShizhanFragment;import com.example.week3_moni.TabFragment.ZhiyeFragment;import java.util.List;/** * Created by ass on 2017/10/21. */public class MyPagerAdapter extends FragmentPagerAdapter{    private List<String> tabs;    public MyPagerAdapter(FragmentManager fm, List<String> tabs) {        super(fm);        this.tabs=tabs;    }    //用于返回选项卡的文本    @Override    public CharSequence getPageTitle(int position) {        return tabs.get(position);    }    @Override    public Fragment getItem(int position) {        Fragment frag=null;        switch (position){            case 0:                frag=new ContentFragment();                break;            case 1:                frag=new KechengFragment();                break;            case 2:                frag=new ShizhanFragment();                break;            case 3:                frag=new ZhiyeFragment();                break;        }        return frag;    }    @Override    public int getCount() {        return tabs.size();    }}

MyApplication
package com.example.week3_moni.Util;        import android.app.Application;        import android.graphics.Bitmap;        import com.nostra13.universalimageloader.cache.disc.impl.UnlimitedDiskCache;        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 java.io.File;/** * Created by ass on 2017/10/21. */public class MyApplication extends Application {    @Override    public void onCreate() {        super.onCreate();        File cacheFile=getExternalCacheDir();        ImageLoaderConfiguration config=new ImageLoaderConfiguration.Builder(this)                .memoryCacheExtraOptions(480, 800)//缓存图片最大的长和宽                .threadPoolSize(2)//线程池的数量                .threadPriority(4)                .memoryCacheSize(2*1024*1024)//设置内存缓存区大小                .diskCacheSize(20*1024*1024)//设置sd卡缓存区大小                .diskCache(new UnlimitedDiskCache(cacheFile))//自定义缓存目录                .writeDebugLogs()//打印日志内容                .diskCacheFileNameGenerator(new Md5FileNameGenerator())//给缓存的文件名进行md5加密处理                .build();        ImageLoader.getInstance().init(config);    }    public static DisplayImageOptions getImageOptions(){        DisplayImageOptions optionsoptions=new DisplayImageOptions.Builder()                .cacheInMemory(true)//使用内存缓存                .cacheOnDisk(true)//使用磁盘缓存                .bitmapConfig(Bitmap.Config.RGB_565)//设置图片格式                .build();        return optionsoptions;    }}

Fragment
ShouyeFragment
package com.example.week3_moni.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.view.ViewPager;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import com.example.week3_moni.Adapter.MyPagerAdapter;import com.example.week3_moni.R;import java.util.ArrayList;import java.util.List;/** * Created by ass on 2017/10/21. */public class ShouyeFragment extends Fragment {    private List<String> datas=new ArrayList<>();    private View view;    private TabLayout tab;    private ViewPager vp;    @Nullable    @Override    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {        view=inflater.inflate( R.layout.shouye_fragment,container,false);        tab = (TabLayout) view.findViewById(R.id.tab);        vp=(ViewPager) view.findViewById(R.id.vp);        return view;    }    @Override    public void onActivityCreated(@Nullable Bundle savedInstanceState) {        super.onActivityCreated(savedInstanceState);        datas.add("推荐");        datas.add("课程");        datas.add("实战");        datas.add("职业路径");        vp.setAdapter(new MyPagerAdapter(getChildFragmentManager(),datas));        tab.setupWithViewPager(vp);    }}
FaxianFragment,XiazaiFragment,WodeFragment
package com.example.week3_moni.Fragment;import android.os.Bundle;import android.support.annotation.Nullable;import android.support.v4.app.Fragment;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import com.example.week3_moni.R;/** * Created by ass on 2017/10/21. */public class FaxianFragment extends Fragment {    @Nullable    @Override    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {        View view=View.inflate(getActivity(), R.layout.faxian_fragment,null);        return view;    }}

TabLayoutFragment
ContentFragment
package com.example.week3_moni.Fragment;import android.graphics.Bitmap;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.support.annotation.Nullable;import android.support.v4.app.Fragment;import android.support.v4.view.ViewPager;import android.util.Log;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.BaseAdapter;import android.widget.ImageView;import android.widget.LinearLayout;import android.widget.ListView;import android.widget.TextView;import com.example.week3_moni.ImagePager;import com.example.week3_moni.MyTask;import com.example.week3_moni.R;import com.example.week3_moni.UtilBean;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.DisplayImageOptions;import com.nostra13.universalimageloader.core.ImageLoader;import java.util.ArrayList;import java.util.List;/** * Created by ass on 2017/10/21. */public class ContentFragment extends Fragment implements PullToRefreshListView.OnRefreshListener2<ListView> {    private ViewPager vp;    private LinearLayout lin;    private StringBuilder builder;    private Handler myHandler = new Handler();    private List<UtilBean.DataBean> list = new ArrayList<>();    private List<UtilBean.DataBean> lists = new ArrayList<>();    MyAdapter adapter;    int type = 1;    int index = 1;    PullToRefreshListView pull;    private List<String> data;    private List<ImageView> images;    DisplayImageOptions options = new DisplayImageOptions.Builder()            .cacheInMemory(true)//进行内存缓存            .cacheOnDisk(true)//进行sd卡缓存            .showImageOnLoading(R.drawable.ic_stub) // 设置正在下载中的图片            .showImageForEmptyUri(R.drawable.ic_empty) //没有请求地址时            .showImageOnFail(R.drawable.ic_error)//下载错误时            .bitmapConfig(Bitmap.Config.RGB_565)//设置图片质量            .build();    private Handler handler = new Handler() {        public void handleMessage(Message msg) {            //获取当前正在显示的页面            int it = vp.getCurrentItem();            vp.setCurrentItem(it + 1);            sendEmptyMessageDelayed(0, 3000);        }    };    @Nullable    @Override    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {        View view = inflater.inflate(R.layout.tuijie_fragment, container,false);        vp = (ViewPager) view.findViewById(R.id.vp);        lin = (LinearLayout) view.findViewById(R.id.lin);        pull = (PullToRefreshListView) view.findViewById(R.id.plv);        data = new ArrayList<String>();        data.add("http://pic8.nipic.com/20100701/5290458_114840036316_2.jpg");        data.add("http://pic2.nipic.com/20090424/1468853_230119053_2.jpg");        data.add("http://img3.3lian.com/2013/s1/20/d/57.jpg");        data.add("http://pic39.nipic.com/20140226/18071023_164300608000_2.jpg");        data.add("http://a0.att.hudong.com/15/08/300218769736132194086202411_950.jpg");        vp.setAdapter(new ImagePager(getActivity(), data));        vp.setCurrentItem(data.size() * 10);        handler.sendEmptyMessageDelayed(1, 2000);        init();        initdata();        return view;    }    @Override    public void onPullDownToRefresh(PullToRefreshBase<ListView> refreshView) {        addtoTop();        myHandler.postDelayed(new Runnable() {            @Override            public void run() {                pull.onRefreshComplete();            }        }, 1000);    }    @Override    public void onPullUpToRefresh(PullToRefreshBase<ListView> refreshView) {        addtoBottom();        myHandler.postDelayed(new Runnable() {            @Override            public void run() {                pull.onRefreshComplete();            }        }, 1000);    }    public void initdata() {        index = 1;        MyTask task = new MyTask(new MyTask.Icallback() {            @Override            public void Updatatext(String str) {                Log.i("---", "---"+str);                Gson gson = new Gson();                UtilBean u = gson.fromJson(str, UtilBean.class);                list = u.getData();                lists.addAll(list);                Log.d("zzz","*******"+lists.size());                setAdapter();            }        });        task.execute("http://api.expoon.com/AppNews/getNewsList/type/1/p/"+index);    }    public void addtoTop() {        index = 1;        MyTask task = new MyTask(new MyTask.Icallback() {            @Override            public void Updatatext(String str) {                Gson gson = new Gson();                UtilBean u = gson.fromJson(str, UtilBean.class);                list = u.getData();                lists.addAll(0,list);            }        });        task.execute("http://api.expoon.com/AppNews/getNewsList/type/1/p/"+index);    }    public void addtoBottom() {        index++;        MyTask task = new MyTask(new MyTask.Icallback() {            @Override            public void Updatatext(String str) {                Gson gson = new Gson();                UtilBean u = gson.fromJson(str, UtilBean.class);                list = u.getData();                lists.addAll(list);            }        });        task.execute("http://api.expoon.com/AppNews/getNewsList/type/1/p/"+index);    }    public void init() {        //设置刷新模式 ,both代表支持上拉和下拉,pull_from_end代表上拉,pull_from_start代表下拉        pull.setMode(PullToRefreshBase.Mode.BOTH);/*这里通过getLoadingLayoutProxy 方法来指定上拉和下拉时显示的状态的区别,第一个true 代表下来状态 ,第二个true 代表上拉的状态如果想区分上拉和下拉状态的不同,可以分别设置*/        ILoadingLayout startLabels = pull.getLoadingLayoutProxy(true, false);        startLabels.setPullLabel("下拉刷新");        startLabels.setRefreshingLabel("正在拉");        startLabels.setReleaseLabel("放开刷新");        ILoadingLayout endLabels = pull.getLoadingLayoutProxy(false, true);        endLabels.setPullLabel("上拉刷新");        endLabels.setRefreshingLabel("正在载入...");        endLabels.setReleaseLabel("放开刷新...");        pull.setOnRefreshListener(new PullToRefreshBase.OnRefreshListener2<ListView>() {            @Override            public void onPullDownToRefresh(PullToRefreshBase<ListView> refreshView) {//下拉刷新的回调                //下拉刷新的数据,显示在listview列表的最上面                addtoTop();                myHandler.postDelayed(new Runnable() {                    @Override                    public void run() {                        //刷新完成,必须在异步下完成                        pull.onRefreshComplete();                        //刷新适配器                        setAdapter();                    }                }, 1000);            }            @Override            public void onPullUpToRefresh(PullToRefreshBase<ListView> refreshView) {//上拉加载的回调                //加载更多的数据,添加到集合列表的最后面                addtoBottom();                myHandler.postDelayed(new Runnable() {                    @Override                    public void run() {                        //刷新完成,必须在异步下完成                        pull.onRefreshComplete();                        //刷新适配器                        setAdapter();                    }                }, 1000);            }        });    }    public void setAdapter() {        if (adapter == null){            adapter = new MyAdapter();            pull.setAdapter(adapter);            Log.d("zzz","*****setadapterlvlvlvlvlvlv****");        } else {            adapter.notifyDataSetChanged();        }    }    class MyAdapter extends BaseAdapter {        @Override        public int getCount() {            return lists.size();        }        @Override        public Object getItem(int position) {            return lists.get(position);        }        @Override        public long getItemId(int position) {            return position;        }        @Override        public View getView(int position, View convertView, ViewGroup parent) {            ViewHolder vh;            if (convertView == null) {                convertView = View.inflate(getActivity(), R.layout.item_list, null);                vh = new ViewHolder();                vh.img = (ImageView) convertView.findViewById(R.id.img);                vh.tv = (TextView) convertView.findViewById(R.id.tv);                convertView.setTag(vh);            } else {                vh = (ViewHolder) convertView.getTag();            }            Log.d("00000","(((("+lists.get(position).getNews_title());            vh.tv.setText(lists.get(position).getNews_title());            //第三步:进行加载显示            ImageLoader.getInstance().displayImage(lists.get(position).getPic_url(), vh.img, options);            return convertView;        }        class ViewHolder {            ImageView img;            TextView tv;        }    }}
kechengFragment,shizhanFragment,ZhiyeFragment
package com.example.week3_moni.TabFragment;import android.os.Bundle;import android.support.annotation.Nullable;import android.support.v4.app.Fragment;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import com.example.week3_moni.R;/** * Created by ass on 2017/10/21. */public class ShizhanFragment extends Fragment{    @Nullable    @Override    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {        View view=View.inflate(getActivity(), R.layout.shizhan_fragment,null);        return view;    }}

MainActivity

package com.example.week3_moni;import android.os.Bundle;import android.support.v4.app.Fragment;import android.support.v4.widget.DrawerLayout;import android.support.v7.app.AppCompatActivity;import android.view.View;import android.widget.ImageView;import android.widget.LinearLayout;import android.widget.RadioGroup;import com.example.week3_moni.Fragment.FaxianFragment;import com.example.week3_moni.Fragment.ShouyeFragment;import com.example.week3_moni.Fragment.WodeFragment;import com.example.week3_moni.Fragment.XiazaiFragment;public class MainActivity extends AppCompatActivity {    private RadioGroup radioGroup;    private LinearLayout lin;    private DrawerLayout draw;    private ImageView img;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        draw = (DrawerLayout) findViewById(R.id.draw);        img = (ImageView) findViewById(R.id.img);        radioGroup = (RadioGroup) findViewById(R.id.rel_navigate);        //侧滑菜单的视图        lin = (LinearLayout) findViewById(R.id.lin);        img.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                //关闭,侧滑菜单                draw.closeDrawer(lin);            }        });        radioGroup.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {            @Override            public void onCheckedChanged(RadioGroup group, int checkedId) {                if(checkedId==R.id.rb_sy){                    addFragment(new ShouyeFragment());                }else if(checkedId==R.id.rb_fx){                    addFragment(new FaxianFragment());                }else if(checkedId==R.id.rb_xz){                    addFragment(new XiazaiFragment());                }else if(checkedId==R.id.rb_wd){                    addFragment(new WodeFragment());                }            }        });        addFragment(new ShouyeFragment());    }    /**     * 添加fragment到主页面中     * @param fragment     */    public  void addFragment(Fragment fragment){        getSupportFragmentManager().beginTransaction().replace(R.id.frag,fragment).commit();    }}

(注:)最后在清单文件内设置网络权限


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