Refreshing data in recyclerview and keeping its scroll position. for example, supposed a RecyclerView named "rv".

Refreshing data in recyclerview and keeping its scroll position setStateRestorationPolicy I have a RecyclerView. How to save scroll position of RecyclerView in Android? 3. startAnimation(animation) keeping in mind to add android:fillAfter="true" in the animation, so it remains at Alpha = "1" after the I encountered an issue with RecyclerView when it is a child of a ConstraintLayout. I replaced localStorage with sessionStorage and cleared it using sessionStorage. ViewHolder&gt;(EntryDiffCallback( I want to scroll the RecyclerView to a position, and I use LinearLayoutManager. I'm using a MVVM viewmodel class which successfully retains list data for a RecyclerView after a configuration change. my problem is : When i scroll recyclerview for first time it is not smooth and logcat show recyclerview Skipped 51 frames! adapter but when I reach end of recyclerView and scroll to up then scroll down it is very smooth and my recyclerview have TextView Only !!! how can I Here's my guess: the CompoundButton. When scroll is from totalSize - 7 to totalSize - 3, First time I only scroll to 7th last item in the list. public class Assesment_MarkcardAdapter extends I have a RecyclerView. scrollToPosition(position) but it doesn't work. NO_POSITION is a constant value -1. findFirstVisibleItemPosition (); It is the listener when user is scrolling. lifecycleScope. In the place where you populate the view just check if you are populating the last element on the list. So long story short, I need the RecyclerView to change what's being displayed to be positioned around a certain view, and I DO NOT want it to scroll. recyclerView. Regarding the answer here I added these lines to my Fragment code; @Override public void onSaveInstanceState(@NonNull Bundle outState) { super. But my issue is when the timer list increases and scroll the screen, the screen is not holding scrolling position. You activate the CompoundButton associated with song #5, which triggers its OnCheckedChangeListener and marks song #5 as a favorite in your database. If I dont refresh data the recyclerView is smooth. startListening(); in onViewCreated() instead of onStart and called adapter. Refreshing data in RecyclerView and keeping its scroll position take user to the top of the activity. Parcelable recylerViewState = Our app has a list of items, and an associated recycler view with it: class Adapter(val clickListener: PreviewListener) : ListAdapter&lt;DataItem, RecyclerView. Not only it takes more CPU, but the more you scroll and see new items, the more memory it will use. When i use notifyItemRemoved() to remove the card in the RecyclerView, it removes the item and animates fine but the data in the list is not updated correctly. How can I change the initial scroll position to the top of the ItemView?. When I called notifyDataSetChanged() so nothing to be happened. When software detects that last item is going to be shown, it downloads new items and call to the loadMoreData() function but new dataset is not showing. Here is my code implementation: I have implemented a recycleview inside a nested scroll view. If your data is loaded async, the RecyclerView waits until data is loaded and only then the state is restored. PREVENT_WHEN_EMPTY What I expect to this is actually still usable even after the update which used recyclerview policy, in cases you need to manually save the state of the recyclerview for example if you have horizontal recyclerview inside vertical recyclerview, the inner recyclerview will never save its scroll position so you need to manually do like in the answer. getFirstVisiblePosition(); Then you have to save this value while orientation changes and when the RecyclerView is created again you have to move your RecyclerView to this index. addOnScrollListener(new I have created a multiple timer application. Please suggest me the right way how to handle this condition. However, for getting products we have to call an API with respect to the category and load those products into the category item as a horizontal recyclerview. Is it bad to save scroll state in recyclerview? Using notifyDataSetChanged is a bad idea. So i don't want to force this code after every change in my recyclerView data: recyclerView. I read website posts from json and show its in RecyclerView every 10 posts and when user scrolling on RecyclerView show more 10 post and go to end! in this project i use okHTTP v3 and RecyclerView! I want gonna put a button and when click on this button, load new data (if there was new data). Android RecyclerView scrolls to top when child element is expanded/collapsed. Update RecyclerView while keeping its scroll position. In the codelabs they try to handle this via the loadStateFlow the following way:. The second time however I can scroll fine; When scrolling from totalSize - 3 to totalSize, I start getting unexpected behavior. On click of button when I'm scrolling the view, it changes the position of that clicked button. you might be reloading / reapplying data incorrectly for example. /** * Called when the target position is laid out. While scrolling if user vote an item that little bit coming late to RecyclerView also total vote and total comment coming late. How do I go about this? When scrollbar gets to the bottom, it triggers the asynctask. . removeItem('scrollpos') after the scroll position was set. But when you change to other activities which would change items to your adapter Created a simple activity which has a recyclerView and displays the data list. putInt("position", The RecyclerView. ^_^ Refreshing data in RecyclerView and keeping its scroll position 199 How to scroll to the bottom of a RecyclerView? scrollToPosition doesn't work Having a problem when scrolling RecyclerView after scrolling down and up. How does one refresh the data displayed in RecyclerView (calling notifyDataSetChanged on its adapter) and make sure that the scroll position is reset to exactly where it was? In case of good ol’ ListView all it takes is retrieving getChildAt (0), checking its getTop () and calling setSelectionFromTop with the same exact data afterwards. As long as the RecyclerView has a unique ID in your layout, it will save the scroll position for you automatically. I want to programmatically scroll to say position = 20, while the image at that position is not in view. !! I need to refresh data completely every 1 sec in RecyclerView maintaining same scroll position. LayoutManager mLayoutManager; RecyclerView. This covers you in case one of those buttons winds up being taller than the other two due to some combination of language translation and small ALLOW — the default state, that restores the RecyclerView state immediately, in the next layout pass PREVENT_WHEN_EMPTY — restores the RecyclerView state only when the adapter is not empty (adapter. If I use router to go to different page and than go back I'd like the scroll to be in the same position. 4. You may face an issue that item shuffles a lot and it’s changing the position of list items during fast scrolling. Hot Network Questions Nuclear Medicine Dose and Half-Life None of the code you posted should be necessary to save your RecyclerView's scroll position on orientation change. when the user buys an element, the method notifydatasetchanged() is called and the buy button has to change the back 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 This would go out and retrieve the data and reload the section not the entire page. I noticed that each time when there is a layout change, caused by I have a recyclerview of different categories. for example, supposed a RecyclerView named "rv". I want to open 10th position of viewpager2 directly without scrolling. Here is a very small sample app that shows automatic saving of scroll position, even with a dynamically added How to refreshing data in recyclerview and keeping its scroll position? Sample code in Recyclerview: setOnScrollListener (new RecyclerView. This covers you in case one of those buttons winds up being taller than the other two due to some combination of language translation and small Wie does one refresh the data displayed in RecyclerView (calling notifyDataSetChanged on its adapter) additionally make sure which that scroll position lives reset to exactly where it used? In case of good ol' Stacks Overflow. 19. ; public class AutoScrollRecyclerView extends RecyclerView { private static long delayTime = 45;// How long after the interval to On screen orientation I want to retain the scroll position of the recyclerview. scrollToPosition(10), the RecyclerView will scroll item 10 to bottom. The "same" not means "the item position", because maybe the item just display partly last time. It all works well. First add below code to your adapter class: public class HorizontalRecyclerViewAdapter extends RecyclerView. I have tried setting the current I call notifyDataSetChanged with this. I have setup paging on my RecyclerView following the example provided in the documentation. What might be a problem? My recycler: recycler. But when you change to other activities which would change items to your adapter I am using Paging Library 3 with a RemoteMediator which includes loading data from the network and the local Room database. scrollToPosition(10), there won't be any scrolling, nothing will be Well the thing is, I'm reading data from a DataBase, this data changes relatively fast, let's say every 30 seconds, I need to scroll the recycler to check the new data and press some buttons, every time I press the button, it changes its color, but 2 things are happening. documentElement. OnScrollListener { @Override public void onScrolled (RecyclerView recyclerView, int dx, int dy) { rowPos = mLayoutManager. I mean "not working perfectly" its not retaining the proper scroll position after screen orientation multiple times. such as banner and below image: enter link description here How can i I'm creating e-Commerce application, and i wanna ask you when i click next button then RecyclerView move to right and show next item, and when i click previous button then RecyclerView move to left and show previous I'm implementing an endless data loading for a RecyclerView. The ItemView looks like this:. xml I'm using Paging 3 with RemoteMediator that shows cached data while fetching new data from the network. I suppose this could work: But if, while getting the response, the user scrolls down even just a bit, when the reclyclerview redraws its new elements the scroll position sets itself to random position around the middle of the list. I am using recyclerview to show the items and the items size could be 0 - 500. One I am working on developing an application that contains (recyclerView ) display member responses. I want to have a smooth scrolling experience in the recyclerView. 0&q Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers In my application i want use recyclerView for show special data, and for this i want use recyclerview with horizontal scroll with show next and previous data. You have two options:. notifyDataSetChanged(); it did not work. Android : Refreshing data in RecyclerView and keeping its scroll position [ Beautify Your Computer : https://www. Create a new adapter, as others did, and it worked for them, but there wasn't I'm trying to update the data within the recyclerview every 5 seconds but every time the data is updated the scroll position is not maintained and in automatic it goes up. RecyclerView - Scroll To Position Not Working Every Time. Below is my sample code I know this question is already asked in here but my question is bit different in the sense how items are inserted. The point of using RecyclerView as a component is that it rebuilds visible items every time you scroll so it will load the data , you cannot "prevent" it. 0-alpha05 Devices/Android versions reproduced on: Emulator api29. Imagine you have 100 songs, each of which starts out as not a favorite. After I get a new List of products, I tried to: Update the ArrayList from the fragment where recyclerView is created, set new data to adapter, and then call adapter. 0. SmoothScroller's method onTargetFound(View, State, Action). This data is sent to a RecyclerView. When turned on the setting's 'don't keep activity alive' and set 'Background process limit' to 'No background process'. Then you scroll I'm currently working on RecyclerView implementation on my project. This is even worse, if you display bitmaps, as bitmaps tend to take huge amount of memory. I am using a RecyclerView this way in one of my apps, which displays lists (not first/last position) Means the at first (re-)layout, this given position should be in visible area. Any idea of how you achieved this behavior? – Bueno. support:recyclerview-v7:23. I'm using the new RecyclerView-Layout in a SwipeRefreshLayout and experienced a strange behaviour. 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. here is my Adapter I have simple Fragment and I use RecylerView to list my elements. I want to move recycler view position as per searchview searched text. In case of good ol' ListView all it takes is retrieving getChildAt(0), checking its getTop() and calling setSelectionFromTop with the same exact data afterwards. Very good and simple solution. My Adapter starts with itemCount=0, loads its data in thread and notifies its real count later. (Or as the previous comment suggests, look into I have custom recyclerview with view Holder. Expect the acitivity will How to refreshing data in recyclerview and keeping its scroll position? How can I identify that recyclerview’s last item? What’s the difference between listview and recyclerview? How to override onclicklistitem in Android recyclerview? How does one refresh the data displayed in RecyclerView (calling notifyDataSetChanged on its adapter) and make sure that the scroll position is reset to exactly where it was? In case of good ol’ ListView all it takes is retrieving I have a fragment that has a RecyclerView inside its layout file. Here is my code implementation: All I am trying to do is restore the "scroll position" of a RecyclerView that is nested within a Fragment. The problem is that your adapter and the singersPagination is created anew every time the view of the fragment is created. RecyclerView already has a solution to this problem. While scrolling items of RecyclerView ask to web service for each item. You get this issue when you If you come to a situation where you need to retain the scroll position of a recycler view (i. itemCount-1) If you want to add continuous scrolling for the recyclerview, you can use this class. But the problem is recyclerview scrolls back to the top when retrieving more data instead of retaining the current position. As the name implies, the views in a RecyclerView are recycled as you scroll down. I've been trying to keep scroll position of element holding a grid with hundreds of rows of data. Check if you have long-running operations (i. And during Since I'm fetching the data asynchronously I've tried using this piece of code from this article to prevent loading the data when adapter is empty. scrollToPosition(0); If you want to directly scroll in the last item you can just use this code. However, when I try to refresh it, the data no-longer shows. I Use Some if and else condition to click and change the color of text but its change when I'll not scroll the RecyclerView item. On every scroll it's showing different position. The size of ItemView is larger than the size of the screen height. and save the state inside onViewRecycled and if the layout manager and adapter retain their correct values during navigation then it would keep the scroll position even after the view is recreated, so make sure that you keep your scroll position on orientation changes Do you fetch data for adapter asynchronously? If so you may want to use RecyclerView. The data arrives from the web service (as verified using Logcat). There are When the recyclerView's item is scrolled outside of the screen, the item is recycled and viewHolder is null. The LayoutManager supports onRestoreInstanceState How can I refresh internal data in a RecyclerView that is bound to a public static variable? I've created this Adapter class, and defined all (I think) that I need to create a list of object displayed via a RecyclerView. Background: I have a RecyclerView whose items have been divided into 3 columns. my problem is : When i scroll recyclerview for first time it is not smooth and logcat show recyclerview Skipped 51 frames! adapter but when I reach end of recyclerView and scroll to up then scroll down it is very smooth and my recyclerview have TextView Only !!! how can I Since you're applying the animation to a view (list), I guess the best way could be to leave the list invisible, then make the list starting at the desired position (removing the initial objects or scrolling) and then perform the animation with view. Other than that there are no conditions in onBindViewHolder i. I have also tried using smoothScrollBy(x,y) and getLayoutManager(). When the view is clicked you can use According to the API docs: RecyclerView. EDIT. My problem was resolved when I made the recycler view to show the child at the last position . notifyDataSetChanged() has been called after the last layout pass or the ViewHolder has already been recycled. Restoring the scroll position using onRestoreInstanceState. As for reloading the page and keeping the scroll position a cookie could do this if you were so inclined to set one. Thank you Refreshing data in RecyclerView and keeping its scroll position. When scrolling the list back to the top sometimes the view on the top gets cut in. when I scroll down and I come back, the recyclerview ignores the change I made in switch. In my application I receive some data from a web server. I have only one solution that is refresh the view is to set again the adapter but I have a recyclerview of different categories. inflate(R. Since I am using RecyclerView. the scroll position of the RecyclerView is restored; however, this is not what is I'm using linear layout manager and RecyclerView with a LinearLayout Manager to populate some list of items. I want to keep scroll position when I change screen rotation. A has a recyclerView populated by cardView and each card implements and OnClickListener which leads to a new Activity D. Here's my guess: the CompoundButton. Every time I scroll to a certain position in the RecyclerView, navigate away to another Fragment, and then navigate back to the Fragment with the list, the scroll state is not preserved and the RecyclerView displays the list from the very Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Problem is, i want to focus on the new item, with "better" parameter when I'm not scrolling, but i don't want to focusing on it when i scroll by touch(so my touch will not be interrupted by scrolling to current first item on the list). How to update recyclerview and keep its scroll? Onresume of your activity, or at the point you want to update your activity, load data to your recyclerview. Only after it's stopped. scrollTop equal to that value. I thought that using ngAfterViewInit will do the trick but unfortunately it doesn't work. This is the last callback SmoothScroller * will receive and it should update the provided {@link Action} to define the scroll * details towards the target view. This doesn't work at all: setIsRecyclable(false) is bad solution, as it will create more and more views as you scroll, which ruins the whole point of using RecyclerView. Doing so will make the I've read many suggestions on how to retain the current scroll position in a RecyclerView when the device is rotated. I am using RecyclerView to display the list of rows, each row has a buy button. In that, I have use RecyclerView for showing each timer as a list. ALLOW — the default state, that restores the RecyclerView state immediately, in the next layout pass PREVENT_WHEN_EMPTY — restores the RecyclerView state only when the adapter is not empty (adapter. But the RecyclerView showed the lower part:. If you have default items, like headers or load progress indicators as part of your Adapter, then you should use the PREVENT option, you’ll see that each of them is saving its scroll position in onSaveInstanceState. startAnimation(animation) keeping in mind to add android:fillAfter="true" in the animation, so it remains at Alpha = "1" after the I've been trying to keep scroll position of element holding a grid with hundreds of rows of data. But its scrolling performance is very slow and sometime its lags/halt the view 1~2 seconds. Scroll-view not scrolling properly when add images on Recycler-View in android. When I refresh my PagingDataAdapter (by calling refresh() on it) I want my RecyclerView to scroll to the top after the refresh is done. Right now it's set with overflow-y: auto. I now found out that when I use com. For future use, If you are switching between Fragments within the same activity and all you want to do is save scroll-position for recyclerview and then restore recyclerview to the same scroll-position, you can do as follows:. ScrollToVerticalOffset(_verticalOffset); The recycler view is refreshing but the view is lagging alot making it not smooth to scroll. tech/p/recommended. I I am trying to make a layout with recyclerview something like the video. Therefore, when Ask questions, find answers and collaborate at work with Stack Overflow for Teams. I coulnd't figure out what was causing it, so I tried setting the scroll position manually, but it just gets ignored. I would like to refresh the data in the list while keeping the scroll position. How can I update the data (recyclerView ) after entering new data without the user exiting or closing the application؟ How does one refresh the data displayed in RecyclerView (calling notifyDataSetChanged on its adapter) and make sure that the scroll position is reset to exactly where it was?. , you query net every time or your viewholder has big images and complex structure). 1) Create position, max, and whatever other variables you need to save the state of the ProgressBar in your model. It works but it seems like If the scroll is sometimes in the wrong position, the view "jumps" a bit during refresh live data. I tried many some solutions from the stackoverflow. In case your RecyclerView gets new items, it is best to use notifyItemRangeInserted, together with unique, stable id for each item, so that it will animate nicely, and without changing what you see too much:. public class MainFragment extends Fragment { //OR activity it's //fragment in my case . The idea is to change elements color, but when I scroll down everything is great and when the scroll goes up - the elements, which are shouldn't be colored are changing color. 1. I tried the following solution - How to remain at a scroll position in RecyclerView after adding items at its first index and call - but it didn I have Recyclerview multiple view types and have Recyclerview in Recyclerview when scroll lag first time I do not know why scroll lag first time here my layout fragment <?xml version="1. scrollToPosition() is extremely strange. I am creating a list of cards to display using the RecyclerView, where each card has a button to remove that card from the list. Whenever you are working with a RecyclerView. Hot Network Questions How safe are password generator sites for I am using Paging Library 3 with a RemoteMediator which includes loading data from the network and the local Room database. How can I achieve this task? so that search text filter will perform and according to filteration I will get position of filtered text. if now item 10 is under the current RecyclerView, call rv. @Override public void onLoadFinished(@NonNull Loader<List<Report>> loader, List<Report> objects) { // or other What you could do instead is to keep the data of the RecyclerView, and use that data when the view is recreated after back navigation. Whenever any item is selected(10th). scrollToPosition(position); but this only scrolls if the item is in view. We cannot get the corresponding item view via How do I stop refreshing RecyclerView data scroll to top position Android? Just set your LayoutManager and adapter for the first time. So I thought, initially, the RecyclerView will show the upper part of the ItemView:. On onScrolled() event calculate either first visible item or last visible item position and store in the class level variable and on every new adapter creation check the variable for last position, if the last position exists then scroll to that position. How can I maintain my scroll position after adding new items at its first index? I want develop android application for one website. Expect the acitivity will be killed by os in background. don't get re-created on rotation, but preserve their state. 2. 27. Ensure you are updating you recycler view using DiffUtil. This way, the recyclerview will always remain at the same scroll position. if the persisted data exists, set document. fragment_units_impl OK, I cannot explain why you are getting the results that you are. Personally, I'd set up a Barrier representing the bottom of your row of buttons (Sort, Descend, Filter) and have the RecyclerView tie its top to that Barrier. If I switch back to RecyclerView, the original code below works - the scroll position is saved and restored automatically on configuration change. Every time I scroll to a certain position in the RecyclerView, navigate away to another Fragment, and then navigate back to the Fragment with the list, the scroll state is not preserved and the RecyclerView displays the list from the very I am assuming that when you run the Activity (which has RecyclerView) for the first time it loads everything from the adapter properly. I want to keep any change in the recyclerview during scroll. launch { Sorry for my poor English. configuration change, going back on a certain flow), you might think that you have a The question is how to restore the scroll after the data is updated. hows. As pskink pointed out ViewHolder has a getPosition() so the way you were originally doing it was correct. Edit1: RecyclerView ask to web service all the time even already loaded items if you while scroll up and down. Set your onClickListeners on onBindViewHolder() and you can access the position from there. When I'm displaying the recyclerview for the first time and I use:. I want the exact position. When I set item on RecyclerView and scroll, I lost its position. I want to refresh the list (ie fetch the data from my DataSource) and scroll to the top automatically. Does copying files from one drive to another also copy previously deleted data from the drive one? I have a RecyclerView which consists of a TextView and EditText, for the TextView the RecyclerView working perfectly fine with me, but for the EditText, if I enter value in first cell and keep on entering for other cell and scroll the entered value above will be not present. Make a setDataList method in your adapter class. I made a recyclerview which update list after certain interval but the problem is after data update it scroll to top position automatically. Changing position of scrollbar in Android RecyclerView. Here is the code: I was frustrated with this for a long time. I made a few changes. 8. This should be annoying for user. I have tried using: recyclerView. notifyItemChanged() make the RecyclerView scroll and jump to UP. Each row has a switch button, I click on the switch to change its state. And in case of getBindingAdapterPosition() method NO_POSITION is used for when item has been removed from the adapter, RecyclerView and/or Adapter. But the start position must be set already while count is I am trying to figure out what is the issue with updating RecyclerView's Adapter. Originally, the RecyclerView was somewhere deep in the view hierarchy of Relative-, Frame-and LinearLeayouts, and everything worked well until I decided to flatten view tree using ConstraintLayout. It should not layout with position 0 on top and scroll afterwards to target position. Each category has its own products. 1 How to update RecyclerView , so each item appears every N seconds? 1 Constantly updating RecyclerView items How to stop refreshing recyclerview data scroll to top position android everytime. and using that I can move my focus (scroll) to that position. I have to scroll to position X after register a click Listener inside of RecyclerView. Initially you have to get the current scrolling position of the RecyclerView by calling: int index = rvUsers. 5. Using the diffUtil, only the updates Starting with 1. Inside its adapter's onBindViewHolder() I set the OnClickListener to the ViewHolder's root layout. Hot Network Questions How safe are password generator sites for If your data is loaded async, the RecyclerView waits until data is loaded and only then the state is restored. Now I want to save the scroll position on Screen Rotation. It also seems to be restored, but it is only restored "somewhat correctly". I want to be able to save the recyclerView scroll position when switching in tabs and when coming back from the opened activity D. 0-alpha02, RecyclerView offers a new API to let the Adapter block layout restoration until it is ready. I want remove some items from recyclerview and for this I write below code in Adapter : public class MyAdapter extends RecyclerV OK, I cannot explain why you are getting the results that you are. Since you're applying the animation to a view (list), I guess the best way could be to leave the list invisible, then make the list starting at the desired position (removing the initial objects or scrolling) and then perform the animation with view. I use a in memory cache instead of Room, so I'm using a Mediator fetching from the api, saving to cache, and a custom I put an ItemView in a RecyclerView. Adapter mAdapter; public List<data> Component used: PagingDataAdapter Version used: 3. If i try to scroll to the top now - the Pull-To-Refresh triggers. Adapter<HorizontalRecyclerViewAdapter. On the very first load, the first item (the only item) is the loading indicator. getItemCount() > 0). Firstly, all data is displayed fine. all the recyclerview will reset. StateRestorationPolicy. I have a RecyclerView that is using a PagedListAdapter. what i did so far in Fragment A (the one containing the RecyclerView looks like this :. if now item 10 is in the current RecyclerView, call rv. And after the activity/fragment has been destroyed (no matter I destroy it or the System destroys it), I reopen the activity/fragment, the RecyclerView can also as the same position as it is been destroyed. This concept will resolve your issue, but might create new issues like IndexOutOfBound exception or might not result as expected Refreshing data in RecyclerView and keeping its scroll position. How to stop refreshing recyclerview data scroll to top position android everytime. scrollToPosition(length-1) Share. html ] Android : Re Android : Refreshing data in RecyclerView and keeping its scroll positionTo Access My Live Chat Page, On Google, Search for "hows tech developer connect"Here Another solution said the bug depended on the layout's height being "wrap content" and suggested a fixed height, but despite having a stupidly high number for the height, the RecyclerView didn't scroll at all. Refreshing data in RecyclerView and keeping its scroll position. Related. but it didn't work. I am using Recyclerview Gridlayout and I am facing lag while scroll. As per my logic every second, I call RecyclerView and refresh the screen for update the sec value and show it. 0. But it does not work. To refresh the recyclerView, especially after coming from another activity, without flickering, and maintaining the scroll position, you need to do the following. Note: I strongly recommend not to use any solution that suggests using unique view types for all list items, by assigning the position number to the view type by overriding getItemViewType(). Setting the data I am creating a list of cards to display using the RecyclerView, where each card has a button to remove that card from the list. onSaveInstanceState(outState); outState. linearLayoutManager. You should be more specific, then RecyclerView will save scroll state for you. This insures scroll position is cleared once the browser is closed. Although onClick listener and getAdapterPosition() works good and shows correct items. smoothScrollToPosition(adapter. @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = inflater. Then you scroll I'm implementing an endless data loading for a RecyclerView. 25. I also tried all of the solutions of this post still no luck. As you can see, the item "0", which is the first on the list, stays on the same spot when I add more items before of it, as if nothing has How to refresh data in a RecyclerView from a PagedListAdapter? 11. Any help would be appreciated. Try Teams for free Explore Teams I am using a RecyclerView in my app, appending more items to a RecyclerView after its last item makes the RecyclerView's scroll remain at its position but when I add items before the first item, the scroll position moves up to the newly first item added. If possible, the RecyclerView will try to keep this "anchor" view visible after the adapter update. characterAdapter. When the data set changes, the first item the user can see is prioritized as the "anchor" to keep the user looking at approximately the same thing. Setting the data Yes it's possible. Without any animation or flickering. AsynTask: 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). replace()) and then closed, the original fragment shows the same screen that it had before the new fragment was opened ie. ; binding. Also I Only the problem is with the scrolling when recyclerview item click where is the viewpager2 is opened. I am assuming that when you run the Activity (which has RecyclerView) for the first time it loads everything from the adapter properly. I have one searchview. The viewpager opens first and the scroll itself to the (10th) position. e. If instead of that, i switch to the notifyDataSetChanged() then the items in How to perform smooth scrolling and save RecyclerView vertical position after device rotating: This is the method that works for my case, . If you set them in your ViewHolder you won't know what position was clicked unless you also pass the position into the ViewHolder. onCreateView method. On screen orientation I want to retain the scroll position of the recyclerview. VerticalOffset; } After refresh, scroll to the previous position: scrollViewer?. setLayoutManager(layoutManager); rcv. Adapter ViewHolder is already there. Initially I present the user with a list of just one item whose In my application I should use recyclerView and remove some items. If you are using a RecyclerView you must have used a custom adapter too. I have a problem after a member posts a new comment the (recyclerView ) is not updated in real time. About; Products For Teams; To refresh the recyclerView, especially after coming from another activity, without flickering, and maintaining the scroll position, you need to do the following. In your onStop()/onDestroyView()/onPause() whatever callback is more appropriate, do this:. By implementing RecyclerView. For example, when a new fragment is opened (using . But recycle view scroll to position methods are not working. Improve this answer. So naturally, I need the RecyclerView to scroll to the bottom when the chat fragment gets You can set setStackFromEnd=true that will set the view to show the last element, the layout direction will remain the same. Is this the normal behavior? how can I make it simply add the items added without refreshing and keep the scroll 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. A workaround suggested included. I use this one. Read on to learn how to use this new API and how it works. It doesn't seem to be possible in I am trying to implement an endless scroll listview but when I call notifyDataSetChanged() the whole list refreshes then the scroll position goes back to the top. stateRestorationPolicy = RecyclerView. First one is a TextView and the remaining are EditText. Commented Nov 5, Refresh data while keeping I'm trying this code : public class ping : SupportFragment { View view; RecyclerView mRecyclerView; RecyclerView. The RecyclerView holds messages in a chat. Created a simple activity which has a recyclerView and displays the data list. But finally found a workaround. Background. Could any one help me? Refreshing data in RecyclerView and keeping its scroll position. But its not working perfectly. the code is shown below: inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle? ): if the layout manager and adapter retain their correct values during navigation then it would keep the scroll position even after the view is recreated, so make sure that you keep LinearLayoutManager layoutManager = new LinearLayoutManager(this); rcv. I just called adapter. This page offers a few solutions: Refreshing data in RecyclerView and keeping its scroll position. +, the current position is actually saved in the savedInstanceState. Adapter. Browsers will still store this data even after the browser is closed. layout. Instead, Move singersAdapter to a field: private val singersAdapter = HomeSingersAdapter() When the call to scroll is from 0th position to totalSize - 7 scroll works like a charm. Adapter class!! class MyAdapter(context: Context, mRV: RecyclerView, mLayoutm: LinearLayoutManager) { Refreshing data in RecyclerView and keeping its scroll position. Refresh data while keeping scroll position with RecyclerView. android. However, the previous RecyclerView position is not restored. I have a recyclerview and an imageview, I want to change imageview image on scroll but I don't know how to get the current position and by it get my image from the list then load it with Picasso to Stack Overflow for Teams Where developers & I would like the RecyclerView keep the exact the position. stopListening(); in onDestroyView() instead of onStop() That prevented the entire list from regenerating while coming back from the next activity and thus retained the scroll position where it was previously. However, I've recently noticed that I can't click on the RecyclerView's items while it's being scrolled. scrollToPositionWithOffset() to scroll. The problem is with refreshing only. ViewHolder>{ public interface OnMyItemClickLitner{ void onItemClick(View v, int position); } private OnMyItemClickLitner The problem is that when I need to do this, I don't want the user to see the screen scrolling over to the other position, nor do I want to have to load each of those views along the way. recyclerView. OnCheckedChangeListener is firing at a time you're not expecting. I have only one solution that is refresh the view is to set again the adapter but At First, my RecyclerView items are ok, but on scrolling, items are shown on the wrong position for example: item 6 shown in position 67. If I click somewhere on the RecyclerView while I'm scrolling it, the RecyclerView only stops at that position, no items are clicked. Hot Network Questions When re-implementing software, does analyzing the original software's kernel-calls make the re-implementation a derived work? On scroll changed, store the vertical offset: private double _verticalOffset; private void scrollViewer_ScrollChanged(object sender, ScrollChangedEventArgs e) { var sv = (ScrollViewer)sender; _verticalOffset = sv. Also I In my application I receive some data from a web server. scrollToPosition(desiredindex); it scrolls to the top exactly where I want. I solved my problem with a simpler solution. astcms kny wqekvl xdjr elidf tmaw wtkc xqq vfdymh uar