recycler-adapter

问题 I am using the FirebaseRecyclerAdapter of Firebase-UI. I'm not able to implement the filter in SearchView. My database: My Question: How to search in FirebaseDatabase by character using FirebaseRecyclerAdapter ? (I want to search by username) My Code: I used this method for search, what's wrong in my code? mSearchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() { @Override public boolean onQueryTextSubmit(String query) { return false; } @Override public boolean

问题 This question already has answers here : RecyclerView items with big empty space after 23.2.0 (4 answers) Closed 3 years ago . After update my support libraries 23.2.1, I encountered a problem. Even I didn't change any code only library update, my recyclerview item's become not shown. Only first item shown, others not shown. I have no idea why it is not show all elements. Is there anybody encounters this problem and how to fix it? Before library update After library update Note: Unfortunaley

问题 This is my PDFListAdapter class method. I have downloaded file locally and save on Sqlite database. But if I scroll my RecyclerView , then I am having different item id. If not scroll RecyclerView then item id is perfect. The problem is when I scroll down the RecyclerView the item id changes. That is, I can fit one item on the screen at once. When I scroll to the second item, it saves different file and opens different. public class PDFListAdapter extends RecyclerView.Adapter<PDFListAdapter

问题 Once I write a ListView demo, the ListView 's items have some different types. item1: Text Pic Pic Pic Pic Pic Pic item2: Text Pic Pic Pic Pic item3: Text Pic Pic Pic Pic Pic Pic Pic Pic Pic ... So I override the getViewTypeCount() and getItemViewType() .It work well. But Now I change to use RecyclerView . Is there a better solution?Please help me. 回答1: use getItemCount() { //pojo class array size return mDataset.size(); } 回答2: This is sample, you can create an item view with a textview and

问题 I have three images stored in a table class called: "events" and table column called: "image" on Parse.com I used two queries 1 to handle the displaying of the images and one to get another table's information (Those are all Strings) THE PROBLEM IS: The query that i used to get all the images only displays one of the three images in the RecyclerView instead of all three. How can i display all three images from Parse.com inside a RecyclerView? MY MAIN ACTIVITY: public class MainActivity

问题 In recycle view the image shown duplicate sometimes. what is the reason to show the duplicate image.Not the all time sometime its occure public void onBindViewHolder(ViewHolder holder, int position) { holder.tvSubject.setText(chatSessions.get(position).getName()); holder.tvMessage.setText(chatSessions.get(position).getLastUnreadMsg()); holder.tvTime.setText(chatSessions.get(position).getTime()); final String pictureLink = ServerRequestHandler.getPictureLink(chatSessions.get(position)

问题 I have implemented an recycler view with Multi Select successfully using addOnItemTouchListener for identifying and selecting using single and double click.When i have Less than 5 items int the recycler view,Everything works fine but when i have more data,to be exact when the recycler view starts recycling the view,my selection is going crazy and it selects differnt possition.I logged out to see the clicking position,those seems to be right but something is not right which makes my selection

问题 when i click an item in Recyclerview every seventh item gets the effect. onBindViewHolder: public void onBindViewHolder(final ViewHolder holder, final int position) { holder.channelName.setText(list.get(position).getChannnelName()); holder.linearLayoutChannelName.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { view.setBackgroundColor(Color.parseColor("#93bcff")); } }); } public class ViewHolder extends RecyclerView.ViewHolder { LinearLayout

问题 I am trying to implement on item click for different items that i pop up in RecyclerView . I achieved that in listView but RecyclerView seem to be difficult. I have look at similar questions but couldn't get a solution. if the user clicks on One, I want it to do something, also for two, and three. How do i get achieve this? Here are my codes public class MainFragment extends Fragment implements SearchView.OnQueryTextListener { public static MainFragment newInstance() { return new MainFragment

问题 I'm displaying daily events. The number of events/day is variable. Each item in the RecView is a Day which should contain as many views as the number of events. Here is one item's layout: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent" android:id="@+id/llDay"> <TextView android:layout_width="wrap_content" android:layout_height=