android-recyclerview

问题 Recycler view contains two textfields in each row. When we click on one textview it expands an expandable layout.This expandable layout duplicates on scrolling. Here is my adaptor class public class AlbumsAdapter extends RecyclerView.Adapter<AlbumsAdapter.MyViewHolder> { private Context mContext; private List<Album> albumList; RecyclerView rv; public class MyViewHolder extends RecyclerView.ViewHolder { public TextView title, count; public ImageView thumbnail, overflow;

问题 Recyclerview has 4 items i.e; textView1, textView2, EditText1 and Checkbox1. Recyclerview has got 24 rows as well. EditText is invisible on initial stage thenit will be visible only when the corresponding checkbox checked by the user. EditText accepts only numbers. The app is working fine so far this much. Now I need to get value of all EditTexts and need to display it on another Textview which is not in the part of Recyclerview? Recyclerview Screenshot- Output Link Code Samples. ExamFragment

问题 I have added a headerView to my RecyclerView as described in the answer of this question: Is there an addHeaderView equivalent for RecyclerView? The header is an empty view which will be hidden under toolBar. <?xml version="1.0" encoding="utf-8"?> <View xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/header" android:layout_width="match_parent" android:layout_height="?attr/actionBarSize" /> The problem is the place of SwipeRefreshLayout. It will be started from

问题 I have a problem, when i swipe to refresh the data, the first swipe is ok but after that every swipe reload and add the same data over and over again, by the end i have a list with same items over and over... I'm using a loader. I tried to clear before but i don't understand what's wrong with my code, if someone could explain it to me. Thank You. Here my code : public abstract class NewsFragment extends Fragment implements LoaderManager.LoaderCallbacks<ArrayList<Articles>> { protected

问题 I followed the post here. I am essentially trying to set up a click listener in my RecyclerView . I am getting no response when I click an item in the RecyclerView . I have logged it and I'm not getting a call to the log when I click. Therefore, I know the .onClick() method is not firing. I initialize the adapter in .onStart() , as seen below: @Override public void onStart() { super.onStart(); mFireAdapter = new FirebaseRecyclerAdapter<Poll, PollHolder>(Poll.class, R.layout.latest_item,

问题 I am using GridLayoutManager as LayoutManager for RecyclerView inside a fragment , and RecyclerView adapter get populated by loader. I tried to store and restore state of GridLayoutManager on device rotation but not working and still get back to the initial state "first element in RecyclerView". onSaveInstanceState method: @Override public void onSaveInstanceState(Bundle outState) { mRecylcerViewParecelable = mGridView.getLayoutManager().onSaveInstanceState(); outState.putParcelable(GRID

问题 in brief: I have a list of users ID and I want to iterate over database and find profiles of those users and put them on the list. But I have a problem as follows: final List<Friend> friendsProfiles = new ArrayList<>(); for (final FriendId friendId : friendIds) { mUserRef.child(friendId).addListenerForSingleValueEvent(new ValueEventListener() { @Override public void onDataChange(@NonNull DataSnapshot dataSnapshot) { // Get the friend profile Friend friend = dataSnapshot.getValue(Friend.class)

问题 I am using RecyclerView and volley's NetworkImageView to render images once they are downloaded. The view consists of an author image, some text fields and a picture. Following is the code snippet to populate the view: // vh is the viewholder vh.picture.setDefaultImageResId(R.drawable.default_image); vh.picture.setImageUrl(post.getImageUrl(), mImageLoader); The problem I am facing is when scrolling, out of say 20 images, mostly ~18 show up. I see from the logs that all images are downloaded

问题 package com.example.sander.app; import android.app.Fragment; import android.app.FragmentTransaction; import android.content.Intent; import android.location.Location; import android.os.Bundle; import android.support.v7.widget.CardView; import android.support.v7.widget.LinearLayoutManager; import android.support.v7.widget.RecyclerView; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import

问题 Is there a way to get the ViewHolder of specific Item of recyclerview base on given position only? Something like getViewHolder(position); . public MyViewHolder getViewHolder(int position){ MyViewHolder holder = null; /** Find ViewHolder here... If Found initialize the holder.. holder = ? **/ return holder; } This function is in my Adapter class, I'm looking for a way to get the ViewHolder of an Item so I can change the value of one of my view of my custom item eg. holder.setText("Hello World