Recyclerview changing items during scroll. The problem is still there with CollapsingToolbarLayout inside AppBarLayout. State? My purpose is to save the RecyclerView's scroll position. 5; [ Natty ] android How to Set selected item in BottomNavigationView By: AndroidNewBee 0. Kinda My app works fine, except that i saw some items changing images while scrolling, somehow i know that's a recycling problem, but i dont know how to solve it. ^_^ // Save state private Parcelable recyclerViewState; recyclerViewState I want my RecyclerView to scroll to the bottom when a new item is added to the list. Can someone explain to me, what the problem is? When I scroll down and then back to the top, my items were changed for other items in the list, and if I scroll again, the items again are changed. all the recyclerview will reset. But the problem arises when I do scroll to down and back to top, my items were change for other items in the list, and if I do scroll again, the items again are changed. Why do items keep changing in recyclerview? No, there's something else wrong with your code: by default, the recyclerview doesn't scroll when new items are added. GridLayoutManager arranges the items in a two-dimensional grid: I have a recyclerview with linear layout manager and it contains different items. I want to show this text in this item This helped in my case. This below code return 0 always and I can't save that: Refreshing data in RecyclerView and keeping its scroll position I use this one. However, it can sometimes lead to crashes when users scroll through the list. If you're experiencing values changing unexpectedly in your RecyclerView items while scrolling, it's likely due to RecyclerView's view recycling mechanism combined with improper handling of view state in the adapter. recyclerview:recyclerview:1. Jan 4, 2026 · In this blog, we’ll dissect why this issue occurs, break down the root causes, and provide a step-by-step solution to ensure ProgressBars reflect the correct playback state, even during scrolling. I have a recycler grid view with each item consisting countdown timer and view which changes after a countdown time is completed. This can help for the purposes of animation and visual object persistence but individual item views will still need to be rebound and relaid out. Apr 20, 2018 · It is because RecyclerView recycles every view which is not visible to the user. LayoutManager layoutManager = new LinearLayoutManager (getActivity ()); recyclerView. andviane:uncover:2. Look at the example below. I am using a RecyclerView, how could I use and bind it with RecyclerView. Below is my code: RecyclerView. I just import this in my project and replace the recyclerView provided by default with this "StateFulRecyclerView" and it solved my problem and handle the scroll position automatically during screen rotation or any configuration change. Discover best practices here. Recyclerview changing items when is scrolled Can someone explain to me, what the problem is? When I scroll down and then back to the top, my items were changed for other items in the list, and if I scroll again, the items again are changed. 😕 Did you copy the sample app code? It auto scrolls to the bottom because it's a chat app: As users scroll through the items in a RecyclerView, View instances of items that have scrolled off screen are reused to create new items as they scroll on screen. However, if use notifyItemRangeInserted(0, newItems. Learn to master Android RecyclerView's ItemTouchHelper for seamless drag and drop operations, enhancing user experience and app functionality. These crashes may occur due to various reasons related to data management, view recycling, and memory issues. I can do this by: final int height=recyclerView. Each row has a play button, textview and Progressbar. I know smoothScrollToPosition() and scrollToPosition() but they would just end up scrolling too fast to the last element. How do I animate the RecyclerView when the items appear for first time and also when the user scrolls, just like the way it works for the google plus app or the google news stand app. The item template is pretty simple and a very Scroll callbacks mightbe run during a measure & layout pass where you cannot change theRecyclerView data. here is my Adapter I want to have a random color as the profile image background, but the color keeps changing when I swipe up and down some couple of times, I want each item to maintain a particular color. Recyclerview Changing Items During Scroll I have a RecyclerView. When we are changing RecyclerView items dynamically (i. RecyclerView blocking ui thread for few seconds during updates. This is my adapter. It handles fast scrolling as intended until I scroll fast and change the filter. The problem is when i android android-scrollview Selected items in RecyclerView change on scrolling Asked 8 years, 11 months ago Modified 8 years, 11 months ago Viewed 4k times Log. Scroll events in the RecyclerView trigger changes inside views declared within AppBarLayout by using the app:layout_scrollFlags attribute: The problem: CollectionView seems to be really struggling on Android, especially when you scroll through the items quickly. Scroll callbacks might be run during a measure & layout pass where you cannot change the RecyclerView data. when changing background color of a specific RecyclerView item), it could change appearance of the items in unexpected ways when scrolling due to the nature of how RecyclerView reuse its items. The last option remained is implementing own custom LayoutManager that would extend default LayoutManager. The RecyclerView library provides three layout managers, which handle the most common layout situations: LinearLayoutManager arranges the items in a one-dimensional list. 9k14146140 Laravel - Routes GET|HEAD Awarded Oct 28, 2019 at 6:50 Álvaro Guimarães 2,23221724 Recyclerview Changing Items During Scroll Awarded Oct 28, 2019 at 6:25 Shadat 15024 How to start Fragment from an Activity Awarded Oct 28, 2019 at 6:25 Sunil 3 My app works fine, except that i saw some items changing images while scrolling, somehow i know that's a recycling problem, but i dont know how to solve it. I was inserting several items at position 0 and with notifyDataSetChanged the scroll position would change showing the new items. But my RecyclerView crash everytime, when service making request, update contents and scrolling at the same time. I want to keep any change in the recyclerview during scroll. Basically in my viewHolder I have a view that When using a RecyclerView in your Android app, especially one with many (or infinite) items inside it, your users will get pretty frustrated if you fail to remember their position. This usually happens because the Adapter data is loaded asynchronously and data hasn’t loaded by the time RecyclerView needs to layout so it fails to restore the scroll position. Imagine a music or In my application i have custom adapter, adapter has image, and text when I scrolling the RecyclerView some items position automatic change public class MyPhotosAdapter extends RecyclerView. A For my app I am using a RecyclerView inside a ScrollView where the RecyclerView has a height based on its content using this library. github. Changing LayoutParams of centered item view in onScrollStateChanged while scrolling state is IDLE or SETTLING. Each row has a switch button, I click on the switch to change its state. When the end is reached to the right, it simply continues scrolling by Improved Performance: ComposeRecyclerView optimizes the rendering of Jetpack Compose items within a RecyclerView, providing better performance compared to LazyList implementations. It provide us the smooth way to scroll. 4. I am having a requirement to implement a recyclerView with items that have a space between them. There are more than 200 items in my list. However, if I click the item and then scroll immediately, items will overlap. ^_^ // Save state private Parcelable recyclerViewState; recyclerViewState Scenario : I have a Card List, basically a RecyclerView, there are only two items in the Recycler view. RecyclerView is updated regularly (Every 10 seconds) . That only updates view after scroll has been/is going to be completed, not during scrolling on items is being performed. 1. In my RecyclerView I have some items that user can scroll and see that. And you want both to scroll together as one, so when you scroll the page up, the header scrolls up with the RecyclerView contents at the bottom. Any scroll events to the RecyclerView should trigger changes to the AppBarLayout layout or any views contained within it. But configuration changes, such as device rotation, can reset the state of a RecyclerView, forcing users to again scroll to their previous position in the list of items. Understanding the common causes and their solutions is essential for developers to maintain a smooth user 6. Scroll callbacks mightbe run during a measure & layout pass where you cannot change theRecyclerView data. Now I want to save this position and scroll that after come back. 2. LayoutManager() and overriding the onLayoutChildren() method of [ Natty ] ubuntu How to automatically start Kafka upon system startup in Ubuntu? By: Jakub Krhovják 0. A common issue developers face is **ProgressBars in RecyclerView items changing or resetting randomly during scroll**, especially when tracking media playback progress with `MediaPlayer`. 5; [ Natty ] ios UIWindow rounded corners throughout application By: Outsider 1. In my application i have custom adapter, adapter has image, and text when I scrolling the RecyclerView some items position automatic change public class MyPhotosAdapter extends RecyclerView. e. Optimize your Android UI effectively! Plan your layout The items in your RecyclerView are arranged by a LayoutManager class. I use application service in order to update/change my entire list items every 10 seconds by getting data from server. Those views are not kept around as separate instances. A Using Uncover library If you use RecyclerView to implement 'infinite scrolling' over output of the web service, or some other resource that requires slow background calls with multiple items at once, it may be reasonable to try the Uncover library from Maven central: dependencies { compile ('io. docker data volume vs mounted host directory Awarded Oct 28, 2019 at 7:00 Rotem jackoby 22. So I added something like 1 W/RecyclerView: Cannot call this method in a scroll callback. In this codelab, you modify a sample app to incorporate the Paging Library, which reduces the app’s memory footprint. 0; I want to expand/collapse the items of my recyclerView in order to show more info. Scrolling is working but it's not working smoothly when I scroll The filter itself works fine, the RecyclerView as well. RecyclerView keeps a small pool of row views and rebinds them as you scroll. onChanged is only called when you call notify on an Adapter, it is not going to called everytime there is a change on the RecyclerView. This means that you need to keep the state of each item in your backing model, which in this case would be a Historyitem, and restore it in your onBindViewHolder. While scrolling down, the space should be smaller and smaller. I tried some code modifications in my ad I have a question about Android's RecyclerView. I have a recycler view, and I want a smooth scrolldown and then scrollup to it programatically to show the complete content in it to user. getChi Selected items in RecyclerView change on scrolling Asked 8 years, 11 months ago Modified 8 years, 11 months ago Viewed 4k times In this blog we will learn about how to scroll RecyclerView to show the selected item on top. User can type some text by clicking ok button. * <p> * This case may happen if you have some custom logic to change adapter contents in 100votes 16answers 107kviews Recyclerview Changing Items During Scroll I have a RecyclerView. How can you cycle through the items in an Android RecyclerView? I would like to have a RecyclerView that scrolls horizontally. when I scroll down and I come back, the recyclerview ignores the change I made in switch. ComposeRecyclerView Composable: The primary entry point responsible for rendering the RecyclerView and managing behaviors like scrolling, item generation, and drag-to-reorder. 0" } Description: When vertical RecyclerView has a horizontal RecyclerView and if user starts scrolling vertically with finger on horizontal RecyclerView then AppBarLayout does not move at all. Here are a few common reasons and solutions: Learn how to resolve RecyclerView data problems while scrolling in Android apps with expert insights and solutions. RecyclerView will attempt to synthesize visible structural change events for adapters that report that they have stable IDs when this method is used. 1@aar') } I'm trying to refresh specific item in RecyclerView. This means that you need to keep the Read more > RecycleView — Kivy 2. There is an exception for onChanged. So, when the user scrolls back it recycles the previous view which is in normal form. I want to achieve the same effect of the SlideExpandableListView. 3 I have a RecyclerView and I've set android:animateLayoutChanges="true" in the item's CardView, because I'm changing its layout from a "visualization mode" to an "edit mode" when I click it. If finger was on other list items then AppBarLayout does change its state. lang. IllegalStateException: 12 How to auto scroll RecyclerView smoothly so that user can see all the elements of the RecyclerView and scroll again from the start - as in News Feed etc. Aug 18, 2015 · As the name implies, the views in a RecyclerView are recycled as you scroll down. 0" // For control over item selection of both touch and mouse driven selection implementation "androidx. If I call FindViewHolderForAdapterPosition for an item that is currently offscreen, I RecyclerView is a powerful component in Android for displaying large sets of data in a scrolling view. The implementation below works nicely if I scroll slowly, but when I fling, it creates a jittery Most of us might have faced the problem of losing the scroll position of the RecyclerView when your Activity/Fragment is recreated. Using a collapsing layout etc so I a RecyclerView is a powerful component in Android for efficiently displaying large datasets, but its view recycling mechanism can lead to unexpected UI behavior if not handled carefully. java. I have a RecyclerView that, like many RecyclerView(s), scrolls items offscreen. Story: Whenever user clicks on item, it shows AlertDialog. Dec 11, 2025 · In this blog, we’ll demystify how RecyclerView and LayoutManager track scroll position, why scrollDy behaves unpredictably during orientation changes, and provide actionable solutions to reliably save/restore scroll state. 0. Use the NotifyItem method for your RecyclerView Whenever you are performing actions in RecyclerView such as adding an item in RecyclerView at any position or deleting an item from a specific position of RecyclerView then you should use NotifyItemChange () method. 0 documentation When I do scroll up down continuously I am getting row/item height is changing like 1 line text item got 5 lines text space and 5 lines text item got 1 line text. When the end is reached to the right, it simply continues scrolling by Learn how to create a carousel-like effect in RecyclerView by resizing item views during scrolling. Basically, the item being animated doesn't respond to the scrolling. I have a horizontal recyclerView, When I first open the activity I want to make all the items in recyclerview scroll to the bottom (to the right in this case) and back to the top (to the left). Using a collapsing layout etc so I a Learn how to update item positions in RecyclerView when scrolling with step-by-step guidance and code examples. one of the items have a button that hides or display the nested layout of this items. size() - 1) the RecyclerView keeps the scroll state. I want the RecyclerView to be animated and move slowly. The minimal spacing between items is done by setting left and right margins on items, and that does not change between items, except for the first and last one, which have a bigger margin on the side that's by the end so that they remain centred. . w("RecyclerView", "Cannot call this method in a scroll callback. 1 I have a RecyclerView. I get the following error I need a RecyclerView like this: It should does: show 7 items per time (DONE) center the RecyclerView on the central visible item (DONE) when I scroll to right/left, the central item will be "highl This is what I want: As image above, I want to draw a center line on RecycleView, then get the center item when scrolling (as well as move left or right) Here is my try to draw a horizontal Recycl Groovy Kotlin dependencies { implementation "androidx. I'm using notifyDataSetChanged met Refreshing data in RecyclerView and keeping its scroll position I use this one. when click on the play button have to play audio from my sdcard and have to progress Progressbar The problem is when i android android-scrollview android-recyclerview Arya 1,747 Aug 18, 2015 at 6:40 100 21 247kviews As the name implies, the views in a RecyclerView are recycled as you scroll down. State. Any method call that might change the structure of the RecyclerView or the adapter contents should be postponed to the next frame. As the method name implies, onItemRangeInserted is called when an item is added to the RecyclerView, and onItemRemoved is called when an item is removed from the RecyclerView. I am also extending RecyclerView. Picture a list where the user scrolls down to the point where items 4 and 5 are visible; items 1, 2, and 3 fall off-screen. Any method call that might change the structureof the RecyclerView or the adapter contents should be postponed tothe next frame. Scenario : I have a Card List, basically a RecyclerView, there are only two items in the Recycler view. LayoutManager() and overriding the onLayoutChildren() method of When we are changing RecyclerView items dynamically (i. I tried some code modifications in my ad * <p> * It is very unlikely that your code will be running during this state as it is * called by the framework when a layout traversal happens or RecyclerView starts to scroll * in response to system events (touch, accessibility etc). recyclerview:recyclerview-selection:1. Let us say you have a view that has some content at the top (which we will call the header), followed by a RecyclerView at the bottom. pywly, 1nvdq, x7ffw, 5wdoun, 1bckbi, eu7y, fexd0w, ljdn2, 0a23ch, 3k3hl3,