Pull to refresh recyclerview android
You can use android SwipeRefreshLayout widget instead of ProgressDialog
.
Follow below steps to integrate SwipeRefreshLayout
in your Tab1history
fragment:
1. In your layout tab1history
, add SwipeRefreshLayout
as a root layout and place RecyclewrView
inside it.
// tab1history.xml
<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.SwipeRefreshLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/swipe_container"
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.v7.widget.RecyclerView
android:id="@+id/my_recycler_view"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</android.support.v4.widget.SwipeRefreshLayout>
2. In your Tab1History
fragment, use SwipeRefreshLayout
as below to load data from server:
// Tab1History.java
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.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import com.android.volley.Request;
import com.android.volley.Response;
import com.android.volley.toolbox.StringRequest;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.ArrayList;
public class Tab1History extends Fragment implements SwipeRefreshLayout.OnRefreshListener {
SwipeRefreshLayout mSwipeRefreshLayout;
private RecyclerView recyclerView;
private CespiteAdapter adapter;
UserSessionManager session;
private static final String URL_DATA = "http://mydata.php";
private List<CespiteOgg> cespiteOggList;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState)
{
View rootView = inflater.inflate(R.layout.tab1history, container, false);
recyclerView = (RecyclerView) rootView.findViewById(R.id.my_recycler_view);
recyclerView.setHasFixedSize(true);//every item of the RecyclerView has a fix size
recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
cespiteOggList = new ArrayList<>();
// SwipeRefreshLayout
mSwipeRefreshLayout = (SwipeRefreshLayout) rootView.findViewById(R.id.swipe_container);
mSwipeRefreshLayout.setOnRefreshListener(this);
mSwipeRefreshLayout.setColorSchemeResources(R.color.colorPrimary,
android.R.color.holo_green_dark,
android.R.color.holo_orange_dark,
android.R.color.holo_blue_dark);
/**
* Showing Swipe Refresh animation on activity create
* As animation won't start on onCreate, post runnable is used
*/
mSwipeRefreshLayout.post(new Runnable() {
@Override
public void run() {
mSwipeRefreshLayout.setRefreshing(true);
// Fetching data from server
loadRecyclerViewData();
}
});
return rootView;
}
/**
* This method is called when swipe refresh is pulled down
*/
@Override
public void onRefresh() {
// Fetching data from server
loadRecyclerViewData();
}
private void loadRecyclerViewData()
{
// Showing refresh animation before making http call
mSwipeRefreshLayout.setRefreshing(true);
// Session class instance
session = new UserSessionManager(getActivity());
//get user data from session
HashMap<String, String> user = session.getUserDetails();
//get name
String name = user.get(UserSessionManager.KEY_NAME);
// get username
final String usernameUtente = user.get(UserSessionManager.KEY_USERNAME);
StringRequest stringRequest = new StringRequest(Request.Method.POST,
URL_DATA,
new Response.Listener<String>() {
@Override
public void onResponse(String s) {
try {
JSONObject jsonObject = new JSONObject(s);
JSONArray array = jsonObject.getJSONArray("dates");
for(int i=0; i<array.length(); i++)
{
JSONObject o = array.getJSONObject(i);
CespiteOgg item = new CespiteOgg(
o.getString("CodNumInventario"),
o.getString("Nome"),
o.getString("DtCatalogazione"),
o.getString("CodIdA"),
o.getString("username")
);
cespiteOggList.add(item);
}
adapter = new CespiteAdapter(cespiteOggList, getActivity());
recyclerView.setAdapter(adapter);
} catch (JSONException e) {
e.printStackTrace();
}
// Stopping swipe refresh
mSwipeRefreshLayout.setRefreshing(false);
}
},
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
// Stopping swipe refresh
mSwipeRefreshLayout.setRefreshing(false);
}
})
{
@Override
protected Map<String, String> getParams() throws AuthFailureError {
Map<String, String> params = new HashMap<String, String>();
params.put("Username", usernameUtente);
return params;
}
};
RegisterRequest.getmInstance(getActivity()).addToRequestque(stringRequest);
}
}
Hope this will work properly.
Android has a SwipeToRefresh widget to do this.
This question has been answered before here how-to-implement-pull-down-refresh-in-android and how-to-implement-android-pull-to-refresh
XML code
<androidx.swiperefreshlayout.widget.SwipeRefreshLayout
android:id="@+id/swipe_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_below="@id/layout_titlebar">
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/recyclerview"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@id/layout_titlebar"
android:layout_margin="5dp"
/>
</androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
Java code
public class BooksActivity extends AppCompatActivity implements SwipeRefreshLayout.OnRefreshListener {
SwipeRefreshLayout swipLayout;
RecyclerView recyclerview;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity);
recyclerview = view.findViewById(R.id.recyclerview);
swipLayout = view.findViewById(R.id.swipe_layout);
swipLayout.setOnRefreshListener(this);
}//end of onCreate
@Override
public void onRefresh() {
//your refresh code here
loadRecyclerViewData()
}
private void loadRecyclerViewData(){
onSuccess(){
//don't forget to stop refreshing
swipLayout.setRefreshing(false);
}
onFaliure(){
//don't forget to stop refreshing
swipLayout.setRefreshing(false);
}
}
}
Source Code
https://drive.google.com/open?id=1qjJ_to-1knVNaJB4T3U_L_p_YYNvgAeZ
APK
https://drive.google.com/open?id=1MxQZwjIXgR2jgDkUW1mbFrTLMSaQQisC
public class MainActivity extends AppCompatActivity implements SwipeRefreshLayout.OnRefreshListener {
SwipeRefreshLayout mSwipeRefreshLayout;
// SwipeRefreshLayout
mSwipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.swipe_container);
mSwipeRefreshLayout.setOnRefreshListener(this);
// mSwipeRefreshLayout.setColorSchemeResources(R.color.colorPrimary,
mSwipeRefreshLayout.setColorSchemeResources(R.color.colorAccent,
android.R.color.holo_green_dark,
android.R.color.holo_orange_dark,
android.R.color.holo_blue_dark);
/**
* Showing Swipe Refresh animation on activity create
* As animation won't start on onCreate, post runnable is used
*/
mSwipeRefreshLayout.post(new Runnable() {
@Override
public void run() {
if(mSwipeRefreshLayout != null) {
mSwipeRefreshLayout.setRefreshing(true);
}
// TODO Fetching data from server
fetchContacts();
}
});
@Override
public void onRefresh() {
fetchContacts();
}