How to set item to center of recyclerview when selected
How to set item to center of recyclerview when selected. itemAlignmentOffsetPercent = 50f. open class RecyclerViewItem. makeText(this, "Position is: "+position, Toast. Task 2 is to allow the users to select an item. It may be 1,2 or 5. Yes it's possible. apply { adapter = yourRecyclerViewAdapter layoutManager = CenterScrollLayoutManager(context, LinearLayoutManager. What I need is when item is selected, it will scroll to center. i am trying to center selected item from RecyclerView. setAdapter(adapter); May 6, 2015 · ContextMenuRecyclerView. enqueue(object : Callback<List<ilmcategoriesData>> {. Here is my codes: Feb 24, 2016 · You call RecyclerView. ----- Update-----I am now able to set visibility of the checkbox as visible with the help of few edits in event methods. * Called when the target position is laid out. getItems(), position, 0); notifyItemMoved(position, 0); Hope it helps! answered Feb 22, 2018 at 8:02. Sep 23, 2016 · I am making app on android TV. Jan 4, 2016 · public class CategoriesListAdapter extends RecyclerView. To do that, we can use AdapterDataObserver. To request focusing an item view, the view must be focusable and you call View. You can use whichever type you like but the selection library provides support for three types: Parcelable, String and Long. Set height and width dynamically according to the screen size. Choose Empty Activity and then click the Next button. swap(orderItems. Apr 9, 2022 · In your onBindViewHolder use this code holder. RecyclerContextMenuInfo) item. Sep 12, 2015 · 1. For example, there are 7 lists and each has a certain discipli Jun 4, 2021 · 1. But how can I highlight the selected items? If a certain position I checked I stored in a SparseBooleanArray. Oct 20, 2021 · Items with rounded corners. The second variable maintains the last selected position. ViewHolder> { private CategoryItem[] categoryItems; private static OnItemClickListener onItemClickListener; public CategoriesListAdapter(CategoryItem[] categoryItems) { this. In short if you replace 200dp with the space occupied by one side item + the central item, the space at the center will be left transparent as there will be no gradient on it. XML. AdapterDataObserver has five public methods. setTag("Selected"); recyclerView. items. g. This is xml file which contains my recyclerview. e items sliding in from "outside the RV" on item removal). java) named isChecked as boolean. May 23, 2024 · RecyclerView makes it easy to efficiently display large sets of data. Set one of these two gradients drawables in RecyclerView's android:foreground="" attribute in XML and see if it works. Feb 3, 2020 · Once done, this is how the app should work: Long pressing an item starts the select process. when the activity is open, first item is selected (different background color) and I need to show some data from this item. then to focus to that item position. NO_POSITION; in the RecyclerView Adapter class, and under onBindViewHolder method try: @Override. Recycler View is in a frame layout, with layout_gravity = "center", and layout_width="wrap_content" I want recycler view start adding items from center. Finally in a place where you build SelectionTracker you can put code like below and inject SelectionTracker into your Adapter class. 0. public void onBindViewHolder(final DateHolder holder, final Sep 6, 2021 · Step 3: Create a Card Layout for Recycler View Card Items. LinearLayoutManager layoutManager = (LinearLayoutManager) mRecyclerView. Oct 13, 2020 · Firstly I need to fetch the position of the item by matching with a string which I pass from the activity to the adapter. getLayoutManager(). setOrientation(RecyclerView. Jul 2, 2019 · 2. LinearLayoutManager layoutManager = new LinearLayoutManager(MainActivity. The first variable maintains the currently selected position. download. scrollToPosition(10), the RecyclerView will scroll item 10 to top. setAdapter(adapter); May 17, 2017 · toShow is a boolean to hide or show item of recyclerview. getDefaultDisplay(). setOnClickListener { binding. Here is what I want: And Here is what I am getting: You can see that in the last image items are added from left. I want to move to the top of an item smoothly. mLayoutManager = new LinearLayoutManager(this); mLayoutManager. Class model. private List<Bitmap> bitmaps = new ArrayList<>(); A RecyclerView implementation that scrolls a view to center (top, bottom, left, or right). =>Step 1: You need to declare SmoothScroller. This enabled the view to appear in the right place, with no visible scrolling at the start, and ready to scroll back. It seems simple enough to have a build in option inside the RecyclerView but I can't find an answer!!! Thanks! Nov 28, 2023 · When the recycler views vertically scrolls, then the selected item is centered or on the Top First item, and then the item is automatically centered or to be the first when the item to be selected is set. Here is what I want Aug 18, 2015 · 1) Create position, max, and whatever other variables you need to save the state of the ProgressBar in your model. . DisplayMetrics displaymetrics = new DisplayMetrics(); ((Activity) context). I only get bottom border color of the item changed but I want to change the full background color. When an item scrolls off the screen, RecyclerView doesn't destroy its view. ViewHolder Aug 19, 2019 · I have implemented a horizontal RecyclerView which has all items alpha set to 0. xml file. scrollToPositionWithOffset(0, 0); Sep 10, 2020 · item_background. To help understanding, look at this picture But what i need is that, whenever i call it, the RecyclerView will scroll the supposed position to the top of current view just like case 3. Here you can get the position of your items by coding and you can check by adding Toast . If you want to scroll automatic without show scroll motion then you need to write following code: mRecyclerView. But I didn't succeed. Adding Item Click Listener on RecyclerView Sometimes you want to click on a book item and perform a specific action. Create a List of images. findSnapView(layoutManagaer). I just saw the solution on internet but didn't get it, or they are mostly of java code. I can change alphas of chosen item but i have a problem. scrollToPositionWithOffset(position, 0); However, this abruptly moves the item to the top position. getMenuInfo(); Finally you have to modify the getItemId() method in your recyclerView adapter and the layout file to make sure that you use your recyclerView and not the android one! Dec 16, 2015 · 1: When you are creating any LayoutManager for the RecyclerView, Make the last parameter in its constructor as true. I want to only chosen item's alpha is 1. } else {. Add the following dependency in the build. Dec 1, 2019 · The items should be aligned to the center. Depend on visible item shown in a device. Adapter<CategoriesListAdapter. Let’s understand this with an example. getLayoutManager()). How can I overcome this issue? Jun 18, 2019 · LinearLayoutManager linearLayoutManager=new LinearLayoutManager(this); linearLayoutManager. Below is the code. fun onItemClickListener(item: Item, position: Int) } When we click we will get the item and the items position. Hope this helps!. Jun 6, 2023 · I have a recyclerview that its data come from viewModel and database using retrofit. but when I go to the selected item page using navigation component with selected item data as its argument, I don't know how to update data of this page (using e. Go to the app > res > layout> right-click > New >Layout Resource File and name the file as card_layout. categoryItems = categoryItems; } @Override public CategoriesListAdapter. That's all, you should be set for a snap-to-center horizontal scrolling list! Attaching Click Handlers to Items. In our bind function in the adapter we will set the on click listener: 208. Jan 25, 2019 · Step 2: Select a key type. To achieve 2. Feb 22, 2018 · You need to swap selected item with top item in list, then notify your adapter about position change. To center the items you need to add a large padding on the recyclerView and then clip to the padding. this,LinearLayoutManager. He evaluated various libraries and in-house solutions and finally chose Feb 20, 2017 · 1. (You'll need to compute the coordinates based on the width of the recycler view or width of the screen and the width of the overlay image you choose to put. itemView. scrollToPosition(position); If you want to display scroll motion then you need to add following code. To center the item on load, just use smooth scroll to position 0. 🎨 We are going to make 6 different recyclerview activities in order Feb 18, 2019 · In above example, you can check single selection. //set back to normal. Jul 29, 2019 · Is there away that the focused item will always stay in the center of the recyclerview while I scroll using the DPAD and only when I get to the last item of the recyclerview the focus will go until the last item. Consider using scrollToPositionWithOffset(int position, int offset) and passing required offset as you wish from left. For example in the adapter there is a TextView which has EventID stored, I will pass a string from activity to adapter to match it with the EventID and then fetch that item position and Mar 19, 2015 · If you want a center-aligned snapping behavior similar to ViewPager then use PagerSnapHelper: SnapHelper snapHelper = new PagerSnapHelper(); snapHelper. } answered Feb 4, 2022 at 12:50. recyclerView. I want my RecyclerView to scroll to the bottom when a new item is added to the list. public void setAllChecked(boolean isAllChecked) {. Sep 28, 2015 · To apply the scale to items when the RecyclerView layout is created. Note: I cannot use android:layout_width=wrap_content, as suggested in other questions, since a change in the RV size will cause misbehaving animations (i. setSelected(selectedPos == position); } Jan 31, 2022 · I know this code is messy and has a lot of unnecessary stuff, if someone could help me with how to clean the code and solve the issue, will be very glad. If you'd like to perform an action whenever a user clicks on any item in your RecyclerView, you'll need to perform that action within a handler. xml and selected_item_background. In our bind function in the adapter we will set the on click listener on Dec 27, 2019 · I want to change the background color or text color to different. For multi selection, we need to add one variable in our POJO (Employee. When any item is clicked , it will be selected and its background changed. My code is below but it doesn't center all items. object ob {. clear() this. By implementing RecyclerView. val dataSelected= ArrayList<ModelClass>() private val binding get() = _binding!! fun onItemClick(position: Int) nListener=listener. Oct 17, 2016 · 8. On a RecyclerView, I am able to suddenly scroll to the top of a selected item by using: ((LinearLayoutManager) recyclerView. Copy. android:layout_width="match_parent". itemView, false) To show Item : hideShowItemView(holder. mInflater = LayoutInflater. A sample code would look like: Collections. getLayoutManager(); layoutManager. Check the below output: Multi Selection in Android RecyclerView. visibility = View. We will work with a small list of items each containing an image name (String) and the image resource id (Int). - mightyfrog/centering-recycler-view. MY_ADAPTER CLASS. Create a variable in your adapter called SelectedPosition. setSelected(selectedItem==position) Oct 25, 2015 · if now item 10 is on the top of the current RecyclerView, call rv. getAdapter(). Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project. Nov 13, 2017 · 38. LENGTH_SHORT). Here's how I implement it: Here's how I implement it: Jan 10, 2022 · I need to display some information in Activity from Adapter but without using onClick method - I want to get selected item at any time without click on the item (e. recyclervSomething. itemView, true) edited Jan 11, 2022 at 11:32. * will receive and it should update the provided {@link Action} to define the scroll. This widget is a more refined and efficient version of ListView with advanced performance and multiple benefits. But I have currently these : Actual result. Then some piece of code must be added to your current implementation to implement all needed methods. setTag(index) on these view in adapter code will help you to relate it with adapter data. Also don’t forget to set scrollbars of the RecyclerView to horizontal. i have this code from Fragment to call the API interface and the recyclerView. public void onBindViewHolder(ViewHolder viewHolder, int position) {. saved. This is an important point @Override public void onLayoutCompleted(RecyclerView. Jul 7, 2021 · The LinearLayoutManager allows you to specify an orientation, just like a normal LinearLayout would. getMetrics(displaymetrics); //if you need three fix imageview in width. swiperefresh). edited Oct 15, 2022 at 7:55. This is my code. I've also tried: I really want to set focus on a specific RecyclerView item. setOnClickListener and create new click listener. I tried recyclerView. Each item's shape is rounded and alpha is 0. setLayoutManager(mHorizontalLayoutManager); if your items have been more than your screen size it will scrollable Oct 6, 2017 · In your case if you have the longClicked item position as int and item it self as view you can do that:. Here is a complete sample to show a RecyclerView with two types, the view type decided by the object. I've set it to RecyclerSelection. your code lookalike below:-. I already handled the selection of Recyclerview through DAPD control in apdapter. You supply the data and define how each item looks, and the RecyclerView library dynamically creates the elements when they're needed. = new LinearLayoutManager(requireContext(), LinearLayoutManager. Im new on development. In our bind function in the adapter we will set the on click listener: First we have to use PagerSnapHelper() to have view pager like scroll. You can also consider usage of RecyclerView extended by SelectionTracker. OnClickListener{. recyclerView3. Jinal Patel. GONE binding. xml. 5 in the XML, so that I can set the alpha to 1f when an item is selected however I have implemented an onItemClick in onCreate of MainActivity and not in public void onBindViewHolder(@NonNull ViewHolder holder, int position). Fragment Aug 12, 2022 · If you are looking for how to scroll to that 10th and 30th item then below solution is for you. scrollToPosition(position) to request the RecyclerView's LayoutManager to scroll to the given position during the next layout pass (it's asynchronous). And method getSelected () in adapter returns the selected employee from recyclerview. e. Jan 7, 2022 · itemAlignmentOffset = 0. In your adapter class write a method: public fun updateItems(var newItems: List<Item>){. It is working fine. item. this. attachToRecyclerView(categoriesRecyclerView) We can also get which is the item in the center (as shown here), by having a scroll listener and using snapHelper. binding. The first step is adding the required dependency to our Jul 12, 2021 · 2. gradle (Module: app) Step 2 − Add the following code to res/layout I want to change the color for selected item which is shown through recyclerView. Two methods in ViewHolder Class to Aug 8, 2016 · You can scroll to the first position by following code: You can replace with your layout Manager. The problem with getChildAt () is that the order of the elements can be out of 5 elements: 0, 5, 4, 3, 2, 1 (the child count is mostly >= the count of visible May 27, 2019 · I am using RecyclerView with Cardview items inside it. For example, the inbox of your Gmail app, you Nov 22, 2019 · This example demonstrates how do I properly highlight the selected item on android RecyclerView. getItemCount(); Dec 9, 2016 · 2. setLayoutManager(layoutManager); adapter = new RecyclerViewAdapter(data, recyclerView); recyclerView. The documentation first calls to determine the selection key type to use to then build a KeyProvider. viewHolder. Change gravity to your component, you have two ways to do it : 1) Change parent gravity (here in LinearLayout) by using android:gravity="center" Note this : all your children will be affected and centered. answered Jan 11, 2022 at 11:26. Instead, they are stuck to the left side. I want the first item selected as soon as the activity start. Apr 5, 2017 · 7. If the view is not yet laid out at the time you want to focus it, you can Apr 20, 2015 · This worked for me when inserting a new item into the middle of a RecyclerView list and then forcing the newly inserted item to be the selected one, but I was able to use post() instead of postDelayed() since that allowed adequate time for the new item to be rendered. Now go to the code part and May 15, 2015 · I have a recyclerView with "Horziontal Linear Layout" as layout manager. public boolean isAllChecked = false; Create select all method. scrollToPosition(1); in my initializeRecyclerView method. findercatService. The main goals is to show the result from filtering by two spinners. I know how to update all data of recyclerview every time that I want. updateItems In this article, we will discuss how to use the android RecyclerView. I'm using RecyclerView for scrolling items horizontally. You can do this: Some Activity/Fragment/Whatever: List<String> dataset = new ArrayList<>(); RecyclerView recyclervSomething; LinearLayoutManager lManager; MyAdapter adapter; //populate dataset, instantiate recyclerview, adapter and layoutmanager. A RecyclerView implementation that May 21, 2019 · Task 1 is to display the items using an recyclerview adapter. Two variables to be kept updated when an item is selected. ScrollToPosition(position);// position is the special position of your item in your RecyclerView. 1. I've tried it and if you fling with energy then it scrolls 2 items with 1 fling. I have a RecyclerView that display video thumbnail in horizontal direction that is selected by DPAD control. @BindView(R. I tried also holder. Sep 5, 2016 · Select all Checkbox in recycler view with data binding. 2) Set the state of your ProgressBar based on the data in your backing model; on click, pass the position of the item to your FileDownload / StartMediaPlayer methods. This is the last callback SmoothScroller. <LinearLayout. 107 1 6. HORIZONTAL, false. SmoothScroller 's method onTargetFound(View, State, Action). private int selectedItem = 0; private int lastSelected = 0; public void onBindViewHolder(ViewHolder h, int position) {. first move scroll to your item, but whenever recyclerView scrolls it just brings the item in visible region, it is never sure that the item is in center or not, so we find the center item and then check if we are on next to center to item or behind it, here is working logic. layoutManager = LinearLayoutManager(. On the next screen, set the project name to whatever you want. If you are using ConstraintLayout, adding android:layout_gravity="center" or android:layout_gravity="center_horizontal" to the parent layout in item's XML would be enough (the first parent in hierarchy). Feb 11, 2020 · Get total item count from adapter of set in recyclerView. from(context); 1. getWindowManager(). getAdapter Jul 15, 2021 · I want to select the items from recycler view and set visibility as VISIBLE for the selected Items. In this file, all XML code related to card items in the RecyclerView is written. Two different background drawable for the selected and unselected items. 3. May 17, 2016 · 7. RecyclerView. HORIZONTAL, false); RecyclerView myList = (RecyclerView Mar 11, 2015 · By default, the first item is selected from my adapter. //highlighted. android:id="@+id/items". this is the best way to get perfect result. HORIZONTAL); recyclerView. widget. Then use a customized LinearSmoothScroller to smoothly center your item. If I scroll the list to the bottom and come again to the top, I get what I expect. setSelected () does (at least) two things: It sets the item in the list to be selected (while removing the selection from another item - if such exists) It scrolls the list so that the item will be visible on the screen. I use retrolambda but you can use normal Runnable object as well. int devicewidth = displaymetrics. Below is the code for the card_layout. Let’s first write the code for ListAdapter. Update: Jun 27, 2023 · We will begin by creating a new Android project by clicking the New Project button. class ViewHolder extends RecyclerView. onLayoutCompleted(state); scaleChild(); } Nov 20, 2019 · Then, to use it, you need to first set this as the layout manager for your RecyclerView, likely inside OnCreate (if in an activity) or OnViewCreated (if in a fragment): yourRecyclerView. LayoutManager layoutManager = new LinearLayoutManager(getActivity()); recyclerView. 104. Jan 4, 2016 · Select the middle item programmatically every time the view is scrolled. //If is selected the color change. Jun 4, 2021 · Instead of using the ColorStateList, to change colors of my RecyclerView items when they are pressed I use a drawable item in the background of the list item. Jun 15, 2018 · 3. android:background="@color/black". AdapterDataObserver on d. I just don't get the position of selected item. HORIZONTAL,true); 2: Simply tell the RecyclerView to scroll to the last position. like first I was doing this. I think I should be able to do it in onBindViewHolder method but I am not able to do this. setSelected(true) You would have to implement the logic for when you want to unselect/select the item by storing the position of selected items To restate @kris larson's answer;. appIcon) ImageView appIcon; @BindView(R. smoothScrollToPosition(index); Nov 26, 2018 · It's possible to snap the items so that there will always be an item in the center of RecyclerView as such : val snapHelper = LinearSnapHelper() snapHelper. show(); You do not have to use any extra method. 2. I set the GridLayoutManager to show 2 items at each row and I want it to be centered on all phones like this : expected result. windowAlignment = HorizontalGridView. I have a recylcerView, I want to change the background color of selected textview, if user clicks on next textview previous selection should be removed, and current should be highlighted, so far what I have done is that it highlights selected date and keeps previous one highlighted. Just create a global variable named 'position' and initialize it with getAdapterPosition () in any of the major method of the adapter (class or similar). Now i want display selected item of RecylcerViw on first position when we scroll through DPAD control 60. android. Just let me find the exact position of clicked item so i can put condition in if else function Nov 9, 2018 · I already tried setting the background of the recyclerview using the background attribute but it only sets the black background on the parts of the recyclerview which has items. Not just when scrolling. Aug 25, 2016 · And then the place where you get the click event you can set it as selected with the View function. Plorial. As the method name implies, onItemRangeInserted is called when an item is added to the RecyclerView, and onItemRemoved is called when an item is May 11, 2015 · To implement a selection of an item and keep the state I use the following method: public void selectTaskListItem(int pos) {. int previousItem = selectedItem; selectedItem = pos; notifyItemChanged(previousItem); notifyItemChanged(pos); } This method I usually call from the OnClick () method. android:layout_height="match_parent". Dec 3, 2020 · 🎨 We will learn how to make #recyclerview with single item selection in android studio. I want to center the item shown in recyclerView . I tried different poor solutions (paddingLeft) but it works on phones with bigger screens and doesn't work on Mar 13, 2019 · i have recyclerview in my app and i show cities on that recyclerview. Use below line of code in onBindViewHolder block as per the requirement, To hide Item : hideShowItemView(holder. Keep a partially transparent image as an overlay on the middle item on the recyclerview. Any comments would be appreciated. appName) TextView appName; Jul 24, 2018 · The approach below simply delays telling the RecyclerView about the prior items, then calls notifyItemRangeInserted(0, offset). adapter?. override fun onBindViewHolder(holder: MyViewHolder, position: Int) {. State state) { super. Below is the code for onItemClick Apr 19, 2020 · Single item selection can be maintained in RecyclerView by. attachToRecyclerView(recyclerView); There is also a LinearSnapHelper. To change the background of a clicked item in the RecyclerView you need to catch the click in the adapter using an iterface: interface ItemClickListener {. Here only the 5th should be selected, but all five are getting selected. ) At the very first, we have to create the one activity class in which the recycler is a vertical Aug 25, 2016 · I want to change the background color of my RecyclerView item. Try this solution if you want to highlight selected item only for a moment after click. const val VIEW_TYPE_SECTION = 1. isAllChecked = isAllChecked; notifyDataSetChanged(); } In onBind view to write here. requestFocus() . But here’s what can go wrong: The data model gets more Feb 3, 2015 · int position = getAdapterPosition(); Toast. widthPixels / 3; Jun 15, 2016 · The important things to pick up from above code is setting the gravity of the parent RelativeLayout to centre and set the height of the RecyclerView to wrap_content. AdapterBusStops(Context context, List<String> data) {. val item = list[position] May 11, 2021 · Welcome to our Microsoft Q&A platform! If you want to scroll to the center item, you can use function ScrollToPosition to scroll to the special item. Have a private int selectedPos = RecyclerView. addAll(newItems) } Then in your MainActivity onResume method, get the latest items from the database, and call your adapter class method in order to update items in RecyclerView like this: recyclerView. Below is my code: RecyclerView. You can find your required offset by using the width of the parent layout (assuming you are using horizontal recycler view). recyclerview. requireContext(), LinearLayoutManager. In adapter assign globally boolean parameter. Here's my test application screenshot. Dec 9, 2014 · 4. This is much simple way to do it. getChildAt() to get each visible child, and setting some tag convertview. * details towards the target view. cheers :) No, It doesn't have any effect when using scrollToPosition. 27. Make a check in populateViewHolder saying: if selectedPosition == position {. Sep 5, 2017 · How can I make horizontal recyclerview in the center? I have tried many ways putting android:layout_gravity="center" in recyclerView or putting recyclerview in linear layout. new Dec 18, 2017 · 2. either call scrollToPosition () method of RecyclerView (as indicated by Loser), or call one of the Mar 5, 2020 · I'm trying to coding the Recyclerview with two spinners function. Jul 28, 2014 · You can use recyclerView. ListView. Nov 19, 2016 · To change the background of a clicked item in the RecyclerView you need to catch the click in the adapter using an iterface: fun onItemClickListener(item: Item, position: Int) When we click we will get the item and the items position. Below are three ways you can attach a handler to listen to clicks on a RecyclerView. scrollToPosition(position) Here position is, in which position you want to scroll. As the name implies, RecyclerView recycles those individual elements. class SectionItem(val title: String) : RecyclerViewItem() class ContentItem(val name: String, val number: Int) : RecyclerViewItem() Adapter code. RecyclerContextMenuInfo info = (ContextMenuRecyclerView. Nov 27, 2018 · We should call scrollToPosition when the recyclerView has received dataset. Also, give it id as “ @+id/recyclerview ”. ViewHolder implements View. private List<String> mData; private LayoutInflater mInflater; private ItemClickListener mClickListener; // data is passed into the constructor. id. Setup Recyclerview. view. I have tried many different approaches but in the end, the solution that worked for me is. As shown in the image above add Recyclerview in layout and set it to size “ match_parent ”. WINDOW_ALIGN_NO_EDGE. 5. First item will be centered at the beginning. Then I select the 2nd, then the 3rd, then the 4th and finally the 5th one. amit srivastava. recyclerView & adapter can't be null, otherwise you can find total items. VISIBLE } this was not working for me but after the below change. addOnItemTouchListener(new RecyclerTouchListener(getApplicationContext(), recyclerView, new ClickListener() { @Override public void onClick(View view, int position) { } @Override public void onLongClick(View view, int position) { view. /**. This one seems obvious: just add an enum {Start, Middle, End } and set it for each item together with the data. Oct 25, 2014 · I have implemented a RecyclerView and I have set it up to use CAB. To create a horizontal list with RecyclerView, you might do something like this: LinearLayoutManager layoutManager. <androidx. Make sure that the language is Kotlin and that the minimum SDK value is 23. For highlight that item you can change text format like bold or color of that item of recycler view. This component allows developers to show a list of items from an extensive data set and data that change dynamically. On click, update that variable to the adapterPosition and reload the recyclerView. VERTICAL, false) } Oct 1, 2016 · This is an old question but it can help to somebody, I've resolved it in this way: You need to save the selected item and the last selected to update the background. tk be fj et gy iv za le du tq