///PullTorefresh
//布局
<com.example.pulltolibrary.PullToRefreshListView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/PullToRefresh"
></com.example.pulltolibrary.PullToRefreshListView>
//逻辑 public class Afragment_b extends Fragment {
private String mUrl = "http://api.expoon.com/AppNews/getNewsList/type/1/p/";
private List<MyData.DataBean> mList=new ArrayList<>();
private PullToRefreshListView pull;
private MyAdapter2 adapter2;
private int inde=1;
private Handler handler=new Handler(){
@Override
public void handleMessage(Message msg) {
mList.addAll((List<MyData.DataBean>)msg.obj);
adapter2.notifyDataSetChanged();
pull.onRefreshComplete();
}
};
@Nullable
@Override
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View v=inflater.inflate(R.layout.afragment_b,null);
initView(v);
adapter2 = new MyAdapter2(getContext(),mList);
pull.setAdapter(adapter2);
getData(inde);
pull.setOnRefreshListener(new PullToRefreshBase.OnRefreshListener2<ListView>() {
@Override
public void onPullDownToRefresh(PullToRefreshBase<ListView> refreshView) {
inde=1;
mList.clear();
getData(inde);
}
@Override
public void onPullUpToRefresh(PullToRefreshBase<ListView> refreshView) {
inde++;
getData(inde);
}
});
return v;
}
private void getData(int index) {
new Thread(new Runnable() {
@Override
public void run() {
try {
URL url = new URL(mUrl + inde);
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
if (connection.getResponseCode() == 200) {
InputStream inputStream = connection.getInputStream();
BufferedReader br = new BufferedReader(new InputStreamReader(inputStream));
Gson gson = new Gson();
MyData myData = gson.fromJson(br, MyData.class);
handler.sendMessage(handler.obtainMessage(0, myData.getData()));
}
} catch (Exception e) {
e.printStackTrace();
}
}
}).start();
}
private void initView(View v) {
pull = v.findViewById(R.id.PullToRefresh);
//设置上下拉滑动
pull.setMode(PullToRefreshBase.Mode.BOTH);
}
}
//**手写轮播图
<android.support.v4.view.ViewPager
android:layout_width="match_parent"
android:layout_height="300dp"
android:id="@+id/lunVP"
></android.support.v4.view.ViewPager>
//
public class Bfragment_a extends Fragment {
private ViewPager lunVp;
private int index=0;
private Handler handler=new Handler(){
@Override
public void handleMessage(Message msg) {
index++;
lunVp.setCurrentItem(index);
sendEmptyMessageDelayed(0,2000);
}
};
@Nullable
@Override
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View v=inflater.inflate(R.layout.bfragment_a,null);
initView(v);
return v;
}
private void initView(View v) {
lunVp = v.findViewById(R.id.lunVP);
lunVp.setAdapter(new PageAdapter(getContext()));
handler.sendEmptyMessageDelayed(0,2000);
}