滑动解析镜面Fragment

Posted 2020-11-02 xiaxinxin

public class Fra extends Fragment{
    private List<Study.NewslistBean>list=new ArrayList<>();
    private int num=0;

    private  String urldaty="http://api.tianapi.com/guonei/?key=48a7d7193e11bd2dd4a683b6e2f90a4f&num=10"+num;
    private PullToRefreshListView lv1;
    private TextView tv;
    private MyAdapter2 myAdapter2;

private  int type=1;
    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view=inflater.inflate(R.layout.fraview,container,false);
            lv1= view.findViewById(R.id.lv1);
        tv = view.findViewById(R.id.tv);
        Bundle arguments=getArguments();
String data=arguments.getString("data");
intoptlv();
getdatas();

        return view;
    }
    private  void  getdatas(){
        MyTask myTask=new MyTask(new MyTask.Icallbacks() {



            @Override
            public void updateUiByjson(String jsonstr) {
                Gson gson=new Gson();
                Study study = gson.fromJson(jsonstr, Study.class);
                List<Study.NewslistBean> newslist = study.getNewslist();
               if (type==1){
                  list.clear();

               }
list.addAll(newslist);
               setplvAdp();
            }
        });

        myTask.execute(urldaty);

        lv1.onRefreshComplete();
    }
    private  void  setplvAdp(){
        if (myAdapter2==null){
            new MyAdapter2(getActivity(),list);
            lv1.setAdapter(myAdapter2);

        }else {
            myAdapter2.notifyDataSetChanged();
        }
    }
    private void  intoptlv(){
        lv1.setMode(PullToRefreshBase.Mode.BOTH);
        lv1.setOnRefreshListener(new PullToRefreshBase.OnRefreshListener2<ListView>() {
            @Override
            public void onPullDownToRefresh(PullToRefreshBase<ListView> refreshView) {
                type=1;
                num=0;
                urldaty="http://api.tianapi.com/huabian/?key=48a7d7193e11bd2dd4a683b6e2f90a4f&num="+num;
                getdatas();
            }

            @Override
            public void onPullUpToRefresh(PullToRefreshBase<ListView> refreshView) {
              type=2;
              num++;



                urldaty="http://api.tianapi.com/huabian/?key=48a7d7193e11bd2dd4a683b6e2f90a4f&num="+num;
                getdatas();
            }
        });





    }




}

<TextView
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:id="@+id/tv"/>
    <com.handmark.pulltorefresh.library.PullToRefreshListView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        ptr:ptrDrawable="@drawable/default_ptr_flip"
        ptr:ptrAnimationStyle="flip"
        ptr:ptrHeaderBackground="#383838"
       android:id="@+id/lv1"
        ptr:ptrHeaderTextColor="#FFFFFF"></com.handmark.pulltorefresh.library.PullToRefreshListView>

public class Fragment03 extends Fragment {

    private ViewPager vp;
    private TabLayout tl;
    private List<String> tabMenu;

    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment03, container, false);
        vp = view.findViewById(R.id.vp);
        tl = view.findViewById(R.id.tl);
        getData();
        vp.setAdapter(new MyAdapter(getChildFragmentManager()));
        tl.setupWithViewPager(vp);
        return view;
    }

    private void getData() {
        tabMenu = new ArrayList<>();
        tabMenu.add("推荐");
        tabMenu.add("玄幻");
        tabMenu.add("都市");
        tabMenu.add("修仙");
        tabMenu.add("言情");


    }

    class MyAdapter extends FragmentPagerAdapter {

        public MyAdapter(FragmentManager fm) {
            super(fm);
        }

        @Override
        public int getCount() {
            return tabMenu.size();
        }

        @Override
        public CharSequence getPageTitle(int position) {
            return tabMenu.get(position);
        }

        @Override
        public Fragment getItem(int position) {

            Fra fra = new Fra();
            Bundle bundle = new Bundle();
            bundle.putString("data", tabMenu.get(position));
            fra.setArguments(bundle);


            return fra;
        }


    }


}

<android.support.design.widget.TabLayout
    android:layout_width="match_parent"
    android:layout_height="40dp"
    android:id="@+id/tl"
    app:tabMaxWidth="0dp"
    app:tabIndicatorColor="#fff"
    app:tabMode="fixed"
    app:tabSelectedTextColor="@color/colorPrimary"
    app:tabTextColor="@color/colorPrimary"></android.support.design.widget.TabLayout>


<android.support.v4.view.ViewPager
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:id="@+id/vp"
    android:layout_below="@id/tl"></android.support.v4.view.ViewPager>