Recyclerview lagging android apk 0&q Aug 8, 2018 · Unfortunately, the RecyclerView is lagging when scrolling it. I solved it by removing the scaleType from ImageButtons or ImageViews and loading images through Picasso with resizing like : Oct 8, 2018 · Relative Layout: RelativeLayout is an approach to actualize complex formats with level (one level of settling) outline. The RecyclerView is a powerful and flexible component for creating efficient scrolling lists in Android apps. that's due to the views being created, along with a few off-screen during the first scroll. I have two view types, and am using the ViewHolder pattern (so it's not inflation or finding views causing the issue). In nested scrollview I didn't have issues with lag on scroll, only the ram was increasing on new appended items. Then do check out: How to implement RecyclerView in Android. But, in general, with fragments, to improve loading time, your primary option is to try to reduce the amount of work that you are doing in onCreateView() and onViewCreated(). However, during a horizontal scroll I have a problem probable with caching and the application crashes. The child can grow as much as it wants too. 0: Issue details / Repro steps / Use case background: RecylcleView Layout Manager int spanCount = columnsCount(); GridSpacingItemDecoration spacingDecoration = new Apr 27, 2017 · i am using recyclweview in fragment having CardView in items but when i scrolling is lagging too much, i have seen many solution but i can not find solution, if any one can help me then here is m Dec 23, 2015 · I am using a RecyclerView and fetching objects from an API in batches of ten. I reworked my code and everything loads into the firebase storage and databse as it should. 7. May 26, 2021 · 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. I have read Android Document about Jan 3, 2024 · Note: The Android Vitals dashboard and Android system keep track of frozen frames for apps that use the UI Toolkit—the user-visible portion of the app is being drawn from Canvas or View hierarchy. Rather in your first adapter's bindViewHolder call again recyclerview adapter like:-InnerRecyclerviewAdapter adapter=new InnerRecyclerviewAdapter(context,urlistArray); holder. However, optimizing RecyclerView scrolling performance can sometimes Sep 25, 2023 · Introduction: RecyclerView is a fundamental component in Android app development for displaying large sets of data efficiently. org Jun 20, 2024 · RecyclerView is a powerful and flexible component for displaying large sets of data in Android. It works in terms of loading data as pages and not just loading everything into memory. I have tried the solutions given below, Mar 10, 2016 · RecyclerView uses view pool to prevent recreation of views which improve performance but when we use RecyclerView inside RecyclerView the inner RecyclerView has its own view pool so every time outer RecyclerView scrolls each view of the inner RecyclerView inflated because it has a separate view pool. Note: If you are looking for the implementation guide of RecyclerView. The last way I can think of is recording the trace using Profiler while u scrolling through the RV and trying to identify which call is time-consuming/blocking by analysis the trace. observe(viewLifecycleOwner, Observer { Log. If the activity is not show (visibility:gone) the recyclerview the lag gone Nov 29, 2021 · Before I add the NestedScrollView, the recyclerView used to load the data fast (or the recyclerView was displayed immediately). It lags when I started scrolling by touching the Recyclerview, but when doesn't lag when started from the view above it. Sep 26, 2018 · Android viewpager with recyclerview fragments laggs (low performance) 6 Very slow performance on RecyclerView with ConstraintLayout and inside ViewPager on Android Hello, I have a strange issue with Recyclerview. Basically I want RecyclerView to scroll with other Views. Any Jun 27, 2019 · I can confirm that example project (on Google play) is laggy on samsung s7 (android 8. widthPixels / 3; //if you need 4-5-6 anything fix imageview in height In short, I put vertical recyclerView inside viewholder of another vertical recyclerView and it causes lags on scroll. At below you can see config Oct 27, 2015 · I was having the same problem with RecyclerView. So, I created the recyclerview outside of nested Aug 22, 2017 · I have three RecyclerViews, and all three are lagging in scroll. Apr 11, 2021 · Screenshot of Searchable Recyclerview layout. When showing images I have used GridLayoutManager to show images and I have also increased span column (By using setSpanSizeLookup) while showing Header view. this is the best way to get perfect result. 1: Galaxy Note 8 / Android 8. Apr 4, 2022 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. AppBarLayoutRecyclerViewRecyclerView Nov 27, 2019 · I'm working on this view with a header at the top and a search bar beneath it, followed by a nested scroll view which contains a linear layout that further consists of 2 recycler views. Jul 31, 2016 · Have you try to run your app on real device? Your problems probably come from your computer (low memory to run an emulator, maybe). 1). It was recommended to use firebase storage. Results. Adapter ViewHolder is already there. I tested Nov 22, 2018 · Inside scrollView having two views,one containing viewPager and other containing recyclerView, also set ViewCompat. In the case of RecyclerView, this would mean taking too much time in onBindViewHolder() or possibly in onCreateViewHolder(). Now to be able to filter the list as per a query entered by user Oct 23, 2015 · I had laggy recyclerView issue when one of the textView within the recyclerView was receiving null values. Jun 12, 2017 · [Mono] Assembly Ref addref peaceApp. Since I added lottie animationView in items, recyclerView scrolls but with lag. To make it scrollable smoothly we have to optimize it and follow some tips to improve its performance. Reduce the image loading as much as possible. Apr 12, 2017 · In test application I am trying to work with RecyclerView and scroll them synchronously. loadData(mAdvertisement, "text/html; charset=utf-8", null), I have ScrollView which contain ImageView, TextureView and WebView, I have problem when I scroll Oct 1, 2016 · My app, particularly the MainActivity suffers from some lag when I scroll through the RecyclerView. However, if not optimized correctly, it can lead to performance Aug 24, 2017 · My recyclerview scrolling is laggy. But its scrolling performance is very slow and sometime its lags/halt the view 1~2 seconds. beside that adding property ( setNestedScrollingEnabled(false); ) to the recyclerview and ( setHasStableIds) to the adapter does help to make recyclerview work smoothly. What i want to acheive that it should be down and comes up Jul 30, 2020 · I have a recyclerView inside a fragment, this fragment is located in a viewpager2. Jul 2, 2019 · I have a layout as below. The performance is extremely laggy. For pagination, I use EndlessRecyclerOnScrollListener. Nov 14, 2022 · Try running a release build of the app and see if it still lags. I fix this and my recyclerView stopped lagging. However, without proper optimization, it can lead to performance issues such as lagging, Application… Jun 17, 2024 · Android users often interact with lists of information displayed in the user interface. setRecycledViewPool which shares the pool between lists. Data doesn't include any kind of images, it is just plain text. Here is some of my code. toString Dec 6, 2018 · Am having a bottom appbar in the main activty and it only hide when nestedScrollView is used but when a fragment with recyler view is called into the nestedScrollView it lags. Make sure you completely understand how you are obtaining the data needed to fill the Recycler View. I haven't Test Samsung_test_fix Branch yet. I tried to fix OverDraw as much as I can. getWindowManager(). Now, after adding NestedScrollView it takes some time for the recyclerView to load the data (or to display the recyclerView). If the RecyclerView is not implemented properly then it will not smoothly scrollable and it may lead to a bad user experience. But if i scroll the content up and down its lagging. Sep 28, 2018 · When I run my app on android the first time I can see a first scroll is lagging. I tried to change the cache size, pause animation when it detached from window, compress background image, using Dec 15, 2015 · Even though I said you can't use RecyclerView in each card it may be possible and effective: the other day I stumbled upon the method RecyclerView. Lag persists only until first 7 -10 viewholders are scrolled, which means binding is not the issue. The fragment is skipping frames and the UI/UX is heavily affected. Apr 16, 2015 · I am using Recyclerview Gridlayout and I am facing lag while scroll. I have tried many things suggested on the internet, but nothing made my RecyclerView faster. Jul 31, 2018 · I've spent the last 2 days attempting to triage why my RecyclerView is so is so unbearably slow while scrolling and I've narrowed it down to the ConstraintLayout I'm using for the rows. You can give that a try too. Adapter#setStateRestorationPolicy(): Specifies how a RecyclerView. Feb 8, 2021 · I display a list of device's contacts. Adapter restores its state after a configuration change. Jul 14, 2018 · I have a recycler view in an Activity where sometimes I show a lot of elements. It's all working properly. VERTICAL layout manager whereas Clild adapter has GridLayoutManager(mContext, 2) layout manager with itemDecoration. I am assuming at this point that you have an adapter attached to your recycler view. 1. Aug 24, 2017 · My recyclerview scrolling is laggy. And the array lists containing the data are not even long or having many parameters. Oct 27, 2015 · I have a RecyclerView implementation inside of a ViewPager, and its performance is pretty horrible. Oct 23, 2015 · from my experience with recyclerview what i found the possible cause could be is the image size. Oct 15, 2015 · For my app I am using a RecyclerView inside a ScrollView where the RecyclerView has a height based on its content using this library. setAdapter(adapter); holder. I am populating the list dynamica Jul 5, 2017 · Creating a new AdView for each view holder would be quite Resource hungry. i("MYTAG", it. I created a viewpager with 3 fragment in a Coordinatorlayout. mainThread() if you are doing some heavy calculations or saving data locally and etc it can create that lag which you are talking about. Dec 1, 2021 · There is a strange behavior in recycler: it lags as soon as there is half-complicated card layout in use. getMetrics(displaymetrics); //if you need three fix imageview in width int devicewidth = displaymetrics. setHasFixedSize(true); LinearLayoutManager layoutManager = new LinearLayoutManager(context, LinearLayoutManager May 20, 2017 · i have a simple recycler view which contains card views with only 1 imageView inside, which is loading from resources, but i have strong lags while scrolling anyway, i tried recycler. Used Well I never said that this is a 100% memory leak, all I said is that it is not a good practice to pass a context around like that. This class defines the animations that take place on items as changes are made to the adapter. However, without proper optimization, it can lead to performance issues such as lagging, Apr 15, 2023 · In short, I put vertical recyclerView inside viewholder of another vertical recyclerView and it causes lags on scroll. Jul 5, 2016 · I have a RecyclerView (and some other views) in a ScrollView. Scrolling is working but it's not working smoothly when I scroll over the RecyclerView. Droid[0x7c7bc640] -> Glide[0x7da25b40]: 2 [RecyclerView] No adapter attached; skipping layout [RecyclerView] No adapter attached; skipping layout [ViewRootImpl] sendUserActionEvent() mView == null [RecyclerView] No adapter attached; skipping layout [RecyclerView] No adapter attached; skipping layout [Mono] GC Sep 15, 2016 · Hi I asked an earlier question about displaying an image using Base64 from my Firebase database. In my case, there was a horizontal list of image buttons inside RecyclerView. In my Samsung Galaxy S8 with Android version 9, when I scroll the recyclerView for very first time, it is not smooth and lagging a little bit. Other than that there are no conditions in onBindViewHolder i. I was using recyclerview inside a nested scrollview but the ram keeps increasing because Recyclerview didn't recycle items-views. if I "kill" my app and run it again, I get the lag. This is what my OverDraw screenshot looks like: Set height and width dynamically according to the screen size. Jul 6, 2015 · The typical source of "jerky" scrolling in Android is the app taking too much time on the main application thread updating the UI. Once that first scroll is done the list view is really really fast (faster than Nativescript list view). In recyclerView item, I have 48 relative layouts and a background and it scrolls without any problems. For example, you might consider setting the default images for the like and share button which are not usually changing in your application. . getDefaultDisplay(). I have imageView and textView in each raw of recycleView. (warning: this may be premature!) Dec 29, 2022 · EDIT : According to the ItemAnimator documentation:. I load images using Picasso. This is WAI. Apr 4, 2017 · 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 Jun 13, 2018 · I have a common problem - recyclerView lags and scroll unsmooth. Jan 17, 2018 · Here, I have two recyclerview that has parentRecyclerViewAdapter and childRecyclerViewAdapter. Since I am using RecyclerView. Maybe there's the issue. The images are not even high resolution to cause a lag. Inner viewholders layout is basically few textViews, outer viewHolders layout is very flat thanks to using ConstraintLayout. Since you are observing that callback in AndroidSchedulers. Feb 27, 2019 · My RecyclerView is pretty laggy whenever I start to scroll over the first items in a cold app start. Oct 23, 2015 · I had laggy recyclerView issue when one of the textView within the recyclerView was receiving null values. Using the GPU profiler on android shows green/blueish green bars all the way up to the top of the screen, indicating substantial jank. Mar 6, 2019 · I have a recyclerView with match parent items. ViewModel: Holds state for an activity or fragment. But the first scroll always has this annoying lag. I want to have a smooth May 11, 2019 · I am facing a heavy scroll lag on recyclerview when there are more than 50 items in the adapter. Currently I have created only one layout for the row have elements for all types of rows and in some mobiles, the scroll has a lag. RecyclerView. I would not expect you to have a fragment inside of a RecyclerView item. Inside every Viewpager you can find a NestedScrollView with some content. It happens on all 3 different recyclerView lists in my app as well as a ViewPager2 activity that is based on a recyclerView adapter. Thus I will have 10 types of rows. The problem is that when the number of elements is very high the recycler view needs some seconds to render the eleme Nov 26, 2020 · No doubt, RecyclerView is the best solution to work with item lists bearing in mind that there are a whole lot of Android-based devices as well as customised Android versions which it can be used for. Jul 4, 2016 · if you user Recyclerview in vertical mode and your activity contains other item that you have ScrollView then you must use NestedScrollView instead of ScrollView. Sep 22, 2016 · I load html content for example webView. vocabs. But here you can try to improve the performance by doing some thing like below: Example: At July 18, 2019, 1:45pm, mmurphy replied: onCreateView() is a method on Fragment. e. This essentially equates the height of NSV and RV. I've also disabled nestedscrolling on recyclerview. Your RecyclerView is now able to restore its scroll position and the state of every item in the RecyclerView list. This behavior happens for the latest android versions (tested on API level 27 and 28) but not older ones (tested on API level 22). However, if not optimized correctly, it can lead to performance issues like Jun 20, 2024 · RecyclerView is a powerful and flexible component for displaying large sets of data in Android. I don't know whether the recyclerView is displayed late or the data is loaded slowly. onCreateView method. The only thing that I do on the UI thead is to set the final list on the RecyclerView Adapter and notifyDataSetChanged() -> that's all! So my conclusion is that the ViewHolder inflation itself is what causes the lag. Asking for help, clarification, or responding to other answers. Sep 13, 2019 · On any phone I tested my app, I get this micro-lag or micro-stutter when I first scroll the recyclerView and then everything flows smooth. Currently the RecyclerView is laid out as very small (it shows 2 items out of 5 that it contains) and it scrolls independently of the Dec 21, 2020 · RecyclerView is the main UI component in Android which is used to represent the huge list of data. recyclerView. If I close my app with "back" and open it again, It won't lag. When dealing with long lists or grids, efficiency in scrolling performance becomes crucial to ensure a smooth user experience. Sep 25, 2023 · RecyclerView is a fundamental component in Android app development for displaying large sets of data efficiently. I have 8 items in my RecyclerView which contains an image and a title. Sep 4, 2018 · I have a recyclerView with multiple view that each row of that is a recyclerView. The horizontal recyclerview shows max ~20 items which are all images. When I scroll recyclerView, that is laggy on each row created. I've read many tutorials and implemented their methods, but no success. For a very simple reason, if you set a fragment to retain an instance, it will outlive your activity, while recycler view that belongs to fragment holds a reference to activity context. Provide details and share your research! But avoid …. You are loading too many images in a list item. Instead of creating new adview on each view holder inflate adview after a certain interval like e. Parent adapter has LinearLayoutManager. Majorly I am getting the lag where the rows have images. Jun 16, 2017 · I have added RecyclerView inside my NestedScrollView. Mar 1, 2019 · Trying to load around 500 rows of data in recycler view, but it is lagging while scrolling. Here is my layout: Apr 29, 2020 · In your situation it depends on what you are doing in your success callback from your retrieve method. Jun 9, 2020 · 3) Use Profiler in Android Studio If none of the above suggestions resolve the issue. Tried android: Feb 2, 2016 · I'm trying to implement RecyclerView with collapsing toolbar,but i'm facing the problem as RecyclerView comes upward on collapsing toolbar. DisplayMetrics displaymetrics = new DisplayMetrics(); ((Activity) context). The NestedScrollView measures its children with the Spec "Unspecified". I read data from server and convert them to my ModelClass, them create an ArrayList and pas this array list to May 19, 2018 · I am trying to make a gallery app. Collections that contain this guide Aug 11, 2020 · Lag in loading activity/fragment when the recyclerView is visible in fragment/activity. The fragments on their own aren't lagging (and I am sure of this cause they were previously implemented through naviga Aug 2, 2018 · I am using recyclerview to show the items and the items size could be 0 - 500. May 28, 2017 · I'm trying to implement viewpager for the mainpage having 4 fragments (fixed). as described in google documentation NestedScrollView is just like ScrollView, but it supports acting as both a nested scrolling parent and child on both new and old versions of Android. Sep 7, 2021 · I thought maybe if I create all bitmap all in once and place them into the Arraylist before I create the Recyclerview would help to stop the lag and it did but I had another problem that I can't deal with it in the main thread cause it freezes. When you click on the image item in the recyclerview it opens the same activity (but with new data). But Aug 17, 2018 · Any time you use wrap_content on a RecyclerView, you're setting yourself up for performance problems. Everything is blank. Her Jul 3, 2019 · This is a common problem, the problem when using recycler view inside a nested scroll view this cause the recycler view height not defined so if you have 1000 item to be displayed in this recycler view (recycler view inside nested scroll view) the onCreateViewHolder() method in recycler adapter will be called 1000 times because the hight of this recycler isn't determined. The issue I have is when I save the data nothing populates into my recyclerview. Using wrap_content completely defeats the performance improvements that you get from recycling views. By its outline, it's overlaying things, not at all like LinearLayout that never does that Its name says independent from anyone else, RelativeLayout is awesome at situating things in respect to other. The problem that I am facing is that for a small set of data, it is working fine, but for a large set of data(200 entries) whenever I launch the activity, it freezes for about about 3-5 seconds and then loads. I use Glide to load those images and the scroll on the recyclerview is great, it's smooth and rarely lags. Aug 28, 2018 · I'm using RecyclerView inside ViewPager and that ViewPager is inside NestedScrollView and the problem is scroll is lagging, its not to much but it's not perfect . g after every 5 or 10 items. Thus could not find any reason of laging Sep 23, 2015 · I have an activity with some content and a horizontal recyclerview. So unless you add your items one by one to your RecyclerView and refresh the view at each iteration, I don't think ItemAnimator is the solution to your need. Apr 25, 2018 · 4. setHasFixedSiz Feb 28, 2021 · consider android's paging library. If your app doesn't use the UI Toolkit, as is the case for apps that are built with Vulkan , Unity , Unreal , or OpenGL , then frozen frames and Mar 18, 2021 · Ok, it's normal you have this message because in your code, you' ll do this : homeViewModel. I also have to mention that ScrollView (on example project) is laggy for me, not RecyclerView Apr 10, 2019 · The issue is that I need to hide/show these elements based on a parameter which can have upto 10 values. So, bottom line is, if your recyclerview has image to load from network make In short, I put vertical recyclerView inside viewholder of another vertical recyclerView and it causes lags on scroll. Now May 6, 2015 · You can't take recyclerview inside recyclerview tag. When scrolling, it'll load the appropriate pages you tell it to, so it wouldn't have to keep everything in memory, you could pass in appropriate keys for where to retrieve data and the pagination library will handle that for you. It was laggy. Also I am making sure new objects are not created. Jul 7, 2018 · I have several improvement suggestions for you. See full list on geeksforgeeks. Here is my layout: Dec 21, 2020 · In this article, we will see the steps to follow for optimizing the Scrolling performance of our RecyclerView. setNestedScrollingEnabled(mRvPosts,false); but still lagging and app crash. I have observed this behaviour: I have observed this behaviour: On a specific low-end device (tablet), which is in a very poor condition and really slow in general, I could see a lot of lagging when I am scrolling up and down. I've measured view inflation time and it's fast (withing few milliseconds), the delay must be related to display/render process. But once you scroll a bit - everything becomes smooth afterwards. Set a specific width and height to ImageView in RecyclerView items. csq lhpqt nfne dhsdq valk oth uxp nfr nsvqen wonl