Android 通过改造从Internet获取数据时,Recycler视图无法正常工作

Android 通过改造从Internet获取数据时,Recycler视图无法正常工作,android,android-fragments,retrofit,Android,Android Fragments,Retrofit,我制作了一个视图寻呼机和一些片段,在这些片段中,我使用了recycler View来显示从internet获取的动态数据。我还使用了Pull来刷新我的片段。有时由于加载片段页面时internet连接速度慢,因此我的recycler视图数据会出现awkard行为数据在recycler view中加载,但它可以在我的手机屏幕后面滚动,并且recycler view“still”图像显示在前面,没有滚动效果。因此,我无法正常运行我的recycler view。当我尝试滚动在后面形成的页面时,它会滚动,

我制作了一个视图寻呼机和一些片段,在这些片段中,我使用了recycler View来显示从internet获取的动态数据。我还使用了Pull来刷新我的片段。有时由于加载片段页面时internet连接速度慢,因此我的recycler视图数据会出现awkard行为数据在recycler view中加载,但它可以在我的手机屏幕后面滚动,并且recycler view“still”图像显示在前面,没有滚动效果。因此,我无法正常运行我的recycler view。当我尝试滚动在后面形成的页面时,它会滚动,而首页是“still”。 可能是什么问题

片段文件

  package com.global.market;

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.widget.SwipeRefreshLayout;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Toast;

import java.util.ArrayList;
import java.util.Arrays;

import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;
import retrofit2.Retrofit;
import retrofit2.converter.gson.GsonConverterFactory;

public class Asia extends Fragment implements SwipeRefreshLayout.OnRefreshListener{

  //  ProgressDialog pDialog;
    private RecyclerView mRecyclerView;
    //private RecyclerView.Adapter mAdapter;
    private RecyclerView.LayoutManager mLayoutManager;
    private CountryDataAdapter adapter;
    private ArrayList<CountriesData> data;
    private SwipeRefreshLayout swipe;

    public Asia(){

    }
    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);
        setHasOptionsMenu(true);

       // setContentView(R.layout.countrydata);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        View v = inflater.inflate(R.layout.countrydata, container, false);
     //   pDialog = new ProgressDialog(this.getContext(), ProgressDialog.THEME_HOLO_LIGHT);
        //mRecyclerView = (RecyclerView) v.findViewById(R.id.my_recycler_view1);
        mRecyclerView = (RecyclerView)v.findViewById(R.id.my_recycler_view1);
        mRecyclerView.setHasFixedSize(true);
        mLayoutManager = new LinearLayoutManager(getContext());
        mRecyclerView.setLayoutManager(mLayoutManager);
        mRecyclerView.setAdapter(adapter);
        // loadJSON();



        swipe=(SwipeRefreshLayout)v.findViewById(R.id.swipe_refresh_layout);
        swipe.setOnRefreshListener(this);
        swipe.setColorSchemeColors(R.color.b, R.color.p, R.color.g, R.color.o);
        swipe.post(new Runnable() {
                       @Override
                       public void run() {
                           swipe.setRefreshing(true);
                           loadRetro();
                       }
                   }
        );


        return v;
    }

    private boolean isNetworkAvailable() {
        ConnectivityManager connectivityManager
                = (ConnectivityManager) getActivity().getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo();
        return activeNetworkInfo != null && activeNetworkInfo.isConnected();
    }

    @Override
    public void onCreateOptionsMenu(
            Menu menu, MenuInflater inflater) {
        inflater.inflate(R.menu.main, menu);
    }


    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_refresh) {
            boolean x=isNetworkAvailable();
            if(x)
//            pDialog.setMessage("Please wait...");
//            pDialog.setCancelable(false);
//            pDialog.show();
      //      swipe.setRefreshing(true);
            {
                loadRetro();
                return true;
            }
             else Toast.makeText(getActivity(), "No Internet Connection!",
                    Toast.LENGTH_SHORT).show();
            return true;
        }

        return super.onOptionsItemSelected(item);
    }
    @Override
    public void onRefresh(){
    //    swipe.setRefreshing(true);
        loadRetro();
        //pDialog.dismiss();
    }

    public void loadRetro(){

        swipe.setRefreshing(true);
//        pDialog.setMessage("Please wait...");
//        pDialog.setCancelable(false);
//        pDialog.show();
        Retrofit retrofit = new Retrofit.Builder()
                .baseUrl("http://www.appuonline.com")
                .addConverterFactory(GsonConverterFactory.create())
                .build();
        jsonrequest request = retrofit.create(jsonrequest.class);
        Call<JsonResponse> call = request.getJSON();
        call.enqueue(new Callback<JsonResponse>() {
            @Override
            public void onResponse(Call<JsonResponse> call, Response<JsonResponse> response) {

                try{
                JsonResponse jsonResponse = response.body();
                data = new ArrayList<>(Arrays.asList(jsonResponse.getData()));
                adapter = new CountryDataAdapter(data);
                mRecyclerView.setAdapter(adapter);
//                    if (pDialog.isShowing())
//                        pDialog.dismiss();
                swipe.setRefreshing(false);
                }catch (Exception e){}

            }

            @Override
            public void onFailure(Call<JsonResponse> call, Throwable t) {
                try{
                    Log.d("Error1", "no connection");
                swipe.setRefreshing(false);}
                catch(Exception e){}
            }
        });
    }
}
package.com.global.market;
导入android.content.Context;
导入android.net.ConnectivityManager;
导入android.net.NetworkInfo;
导入android.os.Bundle;
导入android.support.v4.app.Fragment;
导入android.support.v4.widget.swiperFreshLayout;
导入android.support.v7.widget.LinearLayoutManager;
导入android.support.v7.widget.RecyclerView;
导入android.util.Log;
导入android.view.LayoutInflater;
导入android.view.Menu;
导入android.view.MenuInflater;
导入android.view.MenuItem;
导入android.view.view;
导入android.view.ViewGroup;
导入android.widget.Toast;
导入java.util.ArrayList;
导入java.util.array;
2.电话;;
2.回拨;
2.回应;;
进口改装2.改装;
进口改装2.converter.gson.GsonConverterFactory;
公共类Asia extends片段实现SwipeRefreshLayout.OnRefreshListener{
//ProgressDialog;
私人回收视图mRecyclerView;
//专用回收器查看适配器mAdapter;
private RecyclerView.LayoutManager MLLayoutManager;
私有数据适配器;
私有数组列表数据;
私人刷卡和布局刷卡;
公共亚洲(){
}
创建时的公共void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
设置选项菜单(真);
//setContentView(R.layout.countrydata);
}
@凌驾
创建视图上的公共视图(布局、充气机、视图组容器、,
Bundle savedInstanceState){
//为该碎片膨胀布局
视图v=充气机。充气(R.layout.countrydata,container,false);
//pDialog=newprogressdialog(this.getContext(),ProgressDialog.THEME\u HOLO\u LIGHT);
//mRecyclerView=(RecyclerView)v.findViewById(R.id.my_recycler_view1);
mRecyclerView=(RecyclerView)v.findViewById(R.id.my_recycler_view1);
mRecyclerView.setHasFixedSize(true);
mLayoutManager=newlinearlayoutmanager(getContext());
mRecyclerView.setLayoutManager(mllayoutmanager);
mRecyclerView.setAdapter(适配器);
//loadJSON();
滑动=(滑动刷新布局)v.findviewbyd(R.id.swipe\u刷新布局);
swipe.setOnRefreshListener(此);
滑动.setColorSchemeColors(R.color.b,R.color.p,R.color.g,R.color.o);
swipe.post(新的Runnable(){
@凌驾
公开募捐{
swipe.setRefreshing(true);
loadRetro();
}
}
);
返回v;
}
专用布尔值isNetworkAvailable(){
连接管理器连接管理器
=(ConnectivityManager)getActivity().getSystemService(Context.CONNECTIVITY_服务);
NetworkInfo activeNetworkInfo=connectivityManager.getActiveNetworkInfo();
返回activeNetworkInfo!=null&&activeNetworkInfo.isConnected();
}
@凌驾
创建选项菜单上的公共void(
菜单菜单,菜单(充气机){
充气机。充气(右菜单。主菜单,菜单);
}
@凌驾
公共布尔值onOptionsItemSelected(菜单项项){
//处理操作栏项目单击此处。操作栏将
//自动处理Home/Up按钮上的点击,只要
//在AndroidManifest.xml中指定父活动时。
int id=item.getItemId();
//noinspection SimplifiableIf语句
if(id==R.id.action\u刷新){
布尔x=isNetworkAvailable();
if(x)
//setMessage(“请稍候…”);
//pDialog.setCancelable(假);
//pDialog.show();
//swipe.setRefreshing(true);
{
loadRetro();
返回true;
}
else Toast.makeText(getActivity(),“没有Internet连接!”,
吐司。长度(短)。show();
返回true;
}
返回super.onOptionsItemSelected(项目);
}
@凌驾
公共void onRefresh(){
//swipe.setRefreshing(true);
loadRetro();
//pDialog.disclose();
}
公共void loadRetro(){
swipe.setRefreshing(true);
//setMessage(“请稍候…”);
//pDialog.setCancelable(假);
//pDialog.show();
改装改装=新改装.Builder()
.baseUrl(“http://www.appuonline.com")
.addConverterFactory(GsonConverterFactory.create())
.build();
jsonrequest=reformation.create(jsonrequest.class);
Call Call=request.getJSON();
call.enqueue(新回调(){
@凌驾
公共void onResponse(调用、响应){
试一试{
JsonResponse=response.body();
data=newarraylist(Arrays.asList(jsonResponse.getData());
适配器=新的CountryDataAdapter(数据);
mRecyclerView.setAdapter(适配器);
//if(pDialog.isShowing())
//pDialog.disclose();
adapter = new MyAdapter(getActivity());
public void addItems(List<Object> newList){
       //put this method in your adapter
       adapterList = newList;
       notifyDatasetChanged();
       //it's better to call notifyItemRangeInserted()
}
adapter.addItems(your_new_fetch_list_data);