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