mymoni3——具体代码~Activity类 + Fragfment类 的具体逻辑代码(+外部类MAsyncTask)

MainActivity 

public class MainActivity extends AppCompatActivity {//RadioButton+Fragment实现页面主布局    private FrameLayout fl;    List<Fragment> fal = new ArrayList<>();    private FragmentManager manager;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        fl = findViewById(R.id.fl);        DrawerLayout drawer = findViewById(R.id.drawer);        RadioGroup rg = findViewById(R.id.rg);        initFragment();        manager = getSupportFragmentManager();        manager.beginTransaction().add(R.id.fl, fal.get(0)).commit();        rg.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {            @Override            public void onCheckedChanged(RadioGroup radioGroup, @IdRes int i) {                switch (i) {                    case R.id.rb1:                        manager.beginTransaction().replace(R.id.fl,fal.get(0)).commit();                        break;                    case R.id.rb2:                        manager.beginTransaction().replace(R.id.fl,fal.get(1)).commit();                        break;                    case R.id.rb3:                        manager.beginTransaction().replace(R.id.fl,fal.get(2)).commit();                        break;                    case R.id.rb4:                        manager.beginTransaction().replace(R.id.fl,fal.get(3)).commit();                        break;                }            }        });        drawer = (DrawerLayout) findViewById(R.id.drawer);        ImageView img = (ImageView) findViewById(R.id.img);        //  getActivity(). getSupportFragmentManager().beginTransaction().replace(R.id.f1,mFragment).commit();        //关闭drawer        drawer.closeDrawer(img);    }    private void initFragment() {        F1 f1 = new F1();        F2 f2 = new F2();        F2 f3 = new F2();        F2 f4 =  new F2();        fal.add(f1);        fal.add(f2);        fal.add(f3);        fal.add(f4);    }}

F1 :

public class F1 extends Fragment {//首页面使用tabLayout+viewPager实现。其它导航页面，内容自定义。    private TabLayout f1_tab;    private ViewPager f1_vp;    private List<Fragment> fal;    private List<String> list = new ArrayList<String>();    @Nullable    @Override    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {        View view = inflater.inflate(R.layout.f1, container, false);        f1_tab = view.findViewById(R.id.f1_tab);        f1_vp = view.findViewById(R.id.f1_vp);        return view;    }    @Override    public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {        super.onViewCreated(view, savedInstanceState);        initData();        MyFragPageAdapter adapter = new MyFragPageAdapter(getChildFragmentManager());        f1_vp.setAdapter(adapter);        // setupWithViewPager必须在ViewPager.setAdapter()之后调用        // 具体原因查看源码        f1_tab.setupWithViewPager(f1_vp);    }    private void initData() {        fal = new ArrayList<>();        F01 f01 = new F01();        F02 f02 = new F02();        F02 f03 = new F02();        F02 f04 =  new F02();        fal.add(f01);        fal.add(f02);        fal.add(f03);        fal.add(f04);    }    class MyFragPageAdapter extends FragmentPagerAdapter {        private int pages = 4;        private Context context;        private String[] datas = {"推荐", "课程", "实战", "职业路径"};        //构造必须一个FragmentManager管理器,注意也是v4里的        public MyFragPageAdapter(FragmentManager fm) {            super(fm);            this.context = context;        }        @Override        public int getCount() {            return pages;        }        @Override        public Fragment getItem(int position) { /*           Bundle bundle = new Bundle();            if(list.get(position).equals("推荐")){                bundle.putString("name","xbsjxw");            }else if (list.get(position).equals("课程")){                bundle.putString("name","txs");            }else if (list.get(position).equals("实战")){                bundle.putString("name","toutiao");            }else if (list.get(position).equals("职业路径")){                bundle.putString("name","news/mobile/jbgg");            }            fal.get(position).setArguments(bundle);*/            return fal.get(position);        }        @Override        public CharSequence getPageTitle(int position) {            return datas[position];        }    }}

F2:

public class F2 extends Fragment{    @Nullable    @Override    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {        View view = inflater.inflate(R.layout.f2, container, false);        return view;    }    @Override    public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {        super.onViewCreated(view, savedInstanceState);    }}

F01:

public class F01 extends Fragment{//推荐页面中最上方实现viewPager的无限自动轮播，下方实现列表，可进行上拉加载，下拉刷新的效果。//（要求使用pullToRefreshScrollView）图中红框部分的内容不要求实现。    List<Product.DataBean> mylist = new ArrayList<>();    private ViewPager f01_vp;    private PullToRefreshListView f01_pull;    int currentItem;        //当前页//int lastPosition = 0;   //记录上次点的位置    //存放图片的集合    String [] imgs = {            "http://pic8.nipic.com/20100701/5290458_114840036316_2.jpg",            "http://pic2.nipic.com/20090424/1468853_230119053_2.jpg",            "http://img3.3lian.com/2013/s1/20/d/57.jpg",            "http://pic39.nipic.com/20140226/18071023_164300608000_2.jpg",            "http://a0.att.hudong.com/15/08/300218769736132194086202411_950.jpg"    };    private List<ImageView> imagesList;    private ScheduledExecutorService scheduledExecutorService;    private PullToRefreshListView f02_pull;    String baseUrl = "http://www.93.gov.cn/93app/data.do?channelId=0&startNum=";    //private ArrayAdapter<String> arrayAdapter;    private int page = 0;    private com.nostra13.universalimageloader.core.ImageLoader imageLoaderInstance;    private ListView lv;//利用handler + 线程 实现无限轮播    Handler handler = new Handler(){        @Override        public void handleMessage(Message msg) {            super.handleMessage(msg);//设置当前页面            f01_vp.setCurrentItem(currentItem);        }    };    private MyItemAdapter myadapter;    @Nullable    @Override    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {        View view = inflater.inflate(R.layout.f01, container, false);        f01_pull = view.findViewById(R.id.f01_pull);        f01_vp = view.findViewById(R.id.f01_vp);        return view;    }    @Override    public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {        super.onViewCreated(view, savedInstanceState);//页面中最上方实现viewPager的无限自动轮播        initData();        MyAdapter adapter = new MyAdapter();        f01_vp.setAdapter(adapter);        f01_vp.setOnPageChangeListener(new ViewPager.OnPageChangeListener() {            @Override            public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {                //当VP滑动 设置当前页                currentItem = position;            }            @Override            public void onPageSelected(int position) {            }            @Override            public void onPageScrollStateChanged(int state) {            }        });        ListView lv = f01_pull.getRefreshableView();        imageLoaderInstance = com.nostra13.universalimageloader.core.ImageLoader.getInstance();       // arrayAdapter = new ArrayAdapter<>(getActivity(), android.R.layout.simple_list_item_1, list);        myadapter = new MyItemAdapter();        lv.setAdapter(myadapter);        f01_pull.setMode(PullToRefreshBase.Mode.BOTH);        f01_pull.setOnRefreshListener(new PullToRefreshBase.OnRefreshListener2<ListView>() {            @Override            public void onPullDownToRefresh(PullToRefreshBase<ListView> pullToRefreshBase) {                mylist.clear();                getNetData(0);            }            @Override            public void onPullUpToRefresh(PullToRefreshBase<ListView> pullToRefreshBase) {                getNetData(page++);            }        });        getNetData(0);//请求listview接口数据    }    private void getNetData(int page) {        new MAsyncTask().execute(baseUrl +page);    }    private void initData() {        imagesList = new ArrayList<>();        for (int i = 0; i<imgs.length; i++){            ImageView imageView = new ImageView(getActivity());            imageView.setMaxWidth(100);            //调用显示图片            ImageLoader instance = ImageLoader.getInstance();            instance.displayImage(imgs[i], imageView, ImageLoaderUtils_circle.getDisplayImageOption());            //imageView.setImageBitmap();           // imageView.setBackgroundResource(Integer.parseInt(imgs[i]));            imagesList.add(imageView);        }    }    class MyItemAdapter extends BaseAdapter{        @Override        public int getCount() {            Log.e("wzq", "getCount:" + mylist.size());            return mylist.size();        }        @Override        public Object getItem(int i) {            return mylist.get(i);        }        @Override        public long getItemId(int i) {            return i;        }        @Override        public View getView(int i, View view, ViewGroup viewGroup) {            View view1 = View.inflate(getActivity(), R.layout.item1, null);            TextView tv = view1.findViewById(R.id.item_tv);            ImageView img  = view1.findViewById(R.id.item_img);            tv.setText(mylist.get(i).getSUBTITLE());//            iv.setImageBitmap("url");//调用显示图片            ImageLoader instance = ImageLoader.getInstance();            instance.displayImage(mylist.get(i).getIMAGEURL(),img);            return view1;        }    }    private class MyAdapter extends PagerAdapter{        @Override        public int getCount() {            return imagesList.size();        }        @Override        public boolean isViewFromObject(View arg0, Object arg1) {            return arg0 == arg1;        }        @Override        public void destroyItem(ViewGroup view, int position, Object object) {            view.removeView(imagesList.get(position));        }        @Override        public Object instantiateItem(ViewGroup view, int position) {            view.addView(imagesList.get(position));            return imagesList.get(position);        }    }    @Override    public void onStart() {        super.onStart();        //利用线程池执行动画轮播        scheduledExecutorService = Executors.newSingleThreadScheduledExecutor();        scheduledExecutorService.scheduleWithFixedDelay(                new ViewPageTask(),                2,                2,                TimeUnit.SECONDS);    }    //图片轮播任务    private class ViewPageTask implements Runnable {        @Override        public void run() {//获取当前页面            currentItem = (currentItem +1)% imgs.length;            handler.sendEmptyMessage(0);        }    }    @Override    public void onStop() {        super.onStop();        if(scheduledExecutorService != null){            scheduledExecutorService.shutdown();            scheduledExecutorService = null;        }    }class MAsyncTask extends AsyncTask<String ,Void, String>{    @Override    protected String doInBackground(String... strings) {        return NetUtil.getNetJson(strings[0]);    }    @Override    protected void onPostExecute(String s) {        super.onPostExecute(s);        Gson gson = new Gson();        Product product = gson.fromJson(s, Product.class);        List<Product.DataBean> datas = product.getData();        mylist.addAll(datas);        myadapter.notifyDataSetChanged();        f01_pull.onRefreshComplete();    }}}
F02:

public class F02 extends Fragment{    private PullToRefreshGridView f02_pull;    ArrayList<String> list = new ArrayList<>();    String baseUrl = "http://www.93.gov.cn/93app/data.do?channelId=0&startNum=";    private ArrayAdapter<String> arrayAdapter;    private int page = 0;    String[] urls = {            "http://img.my.csdn.net/uploads/201407/26/1406383265_8550.jpg",            "http://img.my.csdn.net/uploads/201407/26/1406383265_8550.jpg",            "http://img.my.csdn.net/uploads/201407/26/1406383265_8550.jpg",            "http://img.my.csdn.net/uploads/201407/26/1406383265_8550.jpg",            "http://img.my.csdn.net/uploads/201407/26/1406383265_8550.jpg",            "http://img.my.csdn.net/uploads/201407/26/1406383265_8550.jpg",    };    private com.nostra13.universalimageloader.core.ImageLoader imageLoaderInstance;    private GridView glv;    @Nullable    @Override    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {        View view = inflater.inflate(R.layout.f02, container, false);        f02_pull = view.findViewById(R.id.f02_pull);        return view;    }    @Override    public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {        super.onViewCreated(view, savedInstanceState);        glv = f02_pull.getRefreshableView();        imageLoaderInstance = com.nostra13.universalimageloader.core.ImageLoader.getInstance();            arrayAdapter = new ArrayAdapter<>(getActivity(), android.R.layout.simple_list_item_1, list);        glv.setAdapter(arrayAdapter);        f02_pull.setMode(PullToRefreshBase.Mode.BOTH);        f02_pull.setOnRefreshListener(new PullToRefreshBase.OnRefreshListener2<GridView>() {            @Override            public void onPullDownToRefresh(PullToRefreshBase<GridView> pullToRefreshBase) {                list.clear();                getNetData(0);            }            @Override            public void onPullUpToRefresh(PullToRefreshBase<GridView> pullToRefreshBase) {                getNetData(page++);            }        });            getNetData(0);//请求listview接口数据        }    private void getNetData(int page) {        new MAsyncTask(list, arrayAdapter,f02_pull).execute(baseUrl +page);    }}

MAsyncTask:
public class MAsyncTask  extends AsyncTask<String, Void, String> {    private PullToRefreshGridView plv;    ArrayList<String> list;    private ArrayAdapter<String> arrayAdapter;    public MAsyncTask(ArrayList<String> list, ArrayAdapter<String> arrayAdapter, PullToRefreshGridView plv) {        this.list = list;        this.arrayAdapter = arrayAdapter;        this.plv = plv;    }    @Override    protected String doInBackground(String... strings) {        return NetUtil.getNetJson(strings[0]);    }    @Override    protected void onPostExecute(String s) {        super.onPostExecute(s);        Gson gson = new Gson();        Product product = gson.fromJson(s, Product.class);        List<Product.DataBean> datas = product.getData();        ArrayList<String> tempList = new ArrayList<>();        for (int i = 0; i < datas.size(); i++) {            tempList.add(datas.get(i).getSUBTITLE());        }        list.addAll(tempList);        arrayAdapter.notifyDataSetChanged();        plv.onRefreshComplete();    }}