Recyclerview changes value on scroll. getChildAt(0); int top = (v == null) ? 0 : (v.

Recyclerview changes value on scroll. I used to change color at a particular position of the Recyclerview list. findLastVisibleItemPosition() use an interface to send this value to your calling activity or fragment. But the issue is that when user types the value and try to scroll up/down, data entered in the row get lost. Many popular apps have this effect eg. In view holder I have all necessary if/else cases what to update according to item values. Feb 19, 2018 · 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). Maybe this question has been asked before or is simple, but I don't know how the change the data that is to be shown My RecyclerView is defined as follows: Dec 8, 2017 · I want to change Recyclerview item background color on my condition but when I scroll background color automatically changed I know holder. Selected items in RecyclerView change on scrolling. But, didn't work out. I get why it's happening - as stated here: you should add a boolean variable into your onBindViewHolder to keep your item's selection status, which I believe I am doing with: Aug 22, 2021 · yes i know that the adapter is recreating the items again. setAdapter(adapter); Jan 23, 2018 · adding TextWatcher in onBindViewHolder is not recommended it will also lag your UI. Also I have number of editText in a single row of recyclerview. Jan 20, 2019 · Now, when the product name has changed, it will appear in the text view <TextView android:text="@{prod. – If anyone needs this for restoring the scroll position of a RecyclerView, this is how to save the scroll positions (the two arguments for the method scrollToPositionWithOffset): int index = linearLayoutManager. getAdapterPosition()); holder. Here's my adapter: Jul 11, 2020 · I have a RecyclerView that contains a list of views with EditText fields in them. ViewHolder { // each data item is just a string in this case public EditText mEditText; public ViewHolder(View v) { super(v); mEditText = (EditText) v. Oct 25, 2015 · The RecyclerView. xml file. When scrolling occurs another item at the bottom has the same change. BEFORE THE SCROLLING; AFTER THE SCROLLING; "Android RecyclerView adapter values changing on scroll" Description: This query highlights concerns where the values displayed by the RecyclerView adapter change unexpectedly during scrolling. Call addOnScrollListener() on a RecyclerView to enable endless pagination. java into your application. Can anybody help ? I have separate model and adapter class and my parent view to the recyclerview is a fragment on top of an activity. At the moment you have it setup so that every time the RecyclerView binds a view (which can happen multiple times per actual view), you're adding a new TextWatcher and then also setting the text to the item's weight, which is then triggering the previous watchers you added, setting the item's weight to something else Mar 12, 2019 · Occasionally when working with RecyclerView, we want to be able to notify on a specific update. Oct 29, 2014 · I want to implement search functionality for my RecyclerView. I load all the contacts that I have in the phone (name and phone numbers). Sep 25, 2015 · @AJW The fact that you have an Adapter of CardViews is questionable; the adapter should probably populate data into an existing CardView in onBindViewHolder. This will force the recyclerview1 to reset its scroll position to 0,0. Kinda I'm implementing an activity with recyclerview. Apr 14, 2016 · Try to initialize your view on RecyclerView. For example: Feb 18, 2021 · Items are observed in viewModel, adapter gets a changed list whenever list in viewModel changes. And it is repeating in pattern. Tried a lot to get rid of it . This topic has been covered on android developers medium article. name}". 0-alpha02 release StateRestorationPolicy has been introduced. Adapter. getSelected()) set the tracking variable value in the onCheckChanged method Dec 14, 2015 · In my application am displaying 20 multiple choice questions with the help of RecyclerView. OnScrollListener. main. android. 1:Use layout manager to find the lastVisible element by using recyclerView. setLayoutManager(layoutManager); adapter = new RecyclerViewAdapter(data, recyclerView); recyclerView. store this value in a hashmap and pass it to the outer recyclerViewAdapter Oct 6, 2015 · previously i used a listview and a custom adapter for the listview. when I scroll the layout it appears every time with new values I've added both methods and as well and false recyclable too. Starting from recyclerview:1. After that when I scroll down or go up the view back to its normal position like the changes that I made it’s gone from view. addOnScrollListener(new RecyclerView. findViewById(R. E. I'm using a MVVM viewmodel class which successfully retains list data for a RecyclerView after a configuration change. LayoutManager layoutManager = new LinearLayoutManager(getActivity()); recyclerView. So, I changed it to recycler view because someone said it will solved my issue in edittext but its not. The contents in the red rectangle is lost after scrolling. although i want to store the state for scroll view so after having the update in recyclerview i can set it to the stored again and i dont go to the top of my list after every checkbox click Jan 31, 2018 · You have to add a variable in your data item that holds the state of the checkbox at a particular position. if now item 10 is under the current RecyclerView, call rv. Mar 22, 2018 · Recyclerview change item position automatically when scrolling. Users experiencing this issue are likely searching for ways to ensure data stability regardless of scrolling. Because on scrolling RecyclerView, checkBox. Name and contact phone are display Apr 23, 2018 · RecyclerView change wrong value's on scroll up / down. 1. Update onBindViewHolder to @Override public void onBindViewHolder(ViewHolder holder, final int position) { holder. OnScrollListener() { @Override public void onScrollStateChanged(RecyclerView recyclerView, int newState) { super. The delegation of ViewHolders inflation based on the screen measurements and scrolling is managed by the layoutManager property (RecyclerView. Below is my code: RecyclerView. After scrolling up and down the value of the first EditText changed its postion to the 4th one and the swapping is random. I seem to be accomplishing this but when I add a new item to the list, the values in the EditTexts get mixed up. I want to be able to change the value in the EditTexts and have that update my dataset. getChildAt(0); int top = (v == null) ? 0 : (v. If I change the value of first RadioGroup and scrolls down, again scrolls up removing the selected value in RecycelarView and also i want to use that selected RadioButton value further, I was also checked link1 but i did't understood what he is doing. Adapter - To handle the data collection and bind it to the view; LayoutManager - Helps in positioning the items Sep 7, 2015 · I recommend that not to use checkBox. setOnCheckedChangeListener in RecyclerView. Jul 18, 2019 · The issue here is that your model that's being displayed remains unchanged. anyone can help ? thank you. RecyclerView change wrong value's on scroll up / down. 1 Aug 14, 2022 · I am using RecyclerView to place JSON data, and in adapter, I set some conditions that specific values have different values then hide the RelativeLayout. Instead, use it in your onCreateViewHolder. Is the only one that change. i try to put a function to save the Value of the selected value from the spinner but i think there is another way to Mar 21, 2016 · Answer is in Kotlin, it will work in Java. setText(qty + ""); The actual ModelReturn that's on that position remains with the old quantity, so the next time you scroll or trigger onBindViewHolder again in any other way, it'll display the old value. g. Screen looks like below Aug 6, 2015 · public class MyAdapter extends RecyclerView. LinkedIn. setPosition(holder. 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. 3. setText(mDataset[holder. Jan 7, 2015 · Update. May 6, 2015 · Having a problem when scrolling RecyclerView after scrolling down and up. You're likely losing at least some benefits of recycling (and possibly most/all of the benefit, depending on how expensive the CardViews are, how many of them there are, and how much content is in the RecyclerView item view but not the May 29, 2015 · RecyclerView has the method called addOnScrollListener(OnScrollListener listener), and using just this you can stop it from scrolling, just so: recyclerView. All looks ok, the problem is that when I do a scroll in the view, when I come back at the same contact this contact don't have the correct phone numbers. layoutmanager. I was inserting several items at position 0 and with notifyDataSetChanged the scroll position would change showing the new items. On text changed i want to change the data that are displayed with this widget. 6. When I update a view, like changing the CheckBox, SwitchCompat, change the background color of view etc. While this is happening, the only event that's supposed to color the items is not triggered. On the app run, everything works fine But when I scroll the data, the hidden or invisible field gets visible. Changes below that will probably work OK. The first method is called after the scroll is started (indeed is called onScrolled() and not onScrolling()). setOnCheckedChangeListener will be fired by adapter. Only one selected item must be displayed with Dec 18, 2017 · I am using from bellow code for converting numbers to currency format when text changes but when I scrolled the recyclerView I lost true data. setchecked(item. User type comments on each row containing edittext. I cannot find why this is happening. Apr 17, 2015 · I'm using RecyclerView to display a list of marks, and each mark of the value is shown as a CardView. onScrollStateChanged(recyclerView Sep 27, 2018 · Spinner selected value changed after Scrolling. setIsRecyclable(false); Jun 15, 2015 · How to perform smooth scrolling and save RecyclerView vertical position after device rotating: This is the method that works for my case, . Commented Mar 16, 2017 at 6:56. Nov 13, 2017 · I want my RecyclerView to scroll to the bottom when a new item is added to the list. customEditTextListener. Jan 24, 2021 · One way to improve the scrolling smoothness is to pre-inflate more ViewHolders that we initially need during the initialization of the layout. The scroll listener has two methods: onScrolled() and onScrollStateChanged(). Dec 26, 2018 · Thanks for your value able answer. Nov 21, 2017 · At first I used ListView in my Activity but I can't solve my problem in my edittext which is the value is disappearing when the list view is scrolled. Before scrolling the data was in the first EditText. If any changes are made that effect the height of any view displayed on the first full screen of the RecyclerView, the scrolling will be off. Oct 25, 2017 · Recycler view item color change repeating after scrolling. setIsRecyclable(false); but I don't want to set holder. It's not safe. Adapter<MyAdapter. for example, supposed a RecyclerView named "rv". Nov 13, 2021 · Implementing endless pagination for RecyclerView requires the following steps: Copy over the EndlessRecyclerViewScrollListener. When the user clicks on the button it needs to change its layout -> indicating that button is clicked (similar to Nov 30, 2016 · My problem is, the value of textview is always changes when i scroll the recyclerview and sometimes affect the textview on neighbour child row. Oct 31, 2020 · If I switch back to RecyclerView, the original code below works - the scroll position is saved and restored automatically on configuration change. However, if use notifyItemRangeInserted(0, newItems. See full list on developer. If you want to use a RecyclerView, you will need to work with the following: RecyclerView. It could be a better approach to the given problem. etQty. . size() - 1) the RecyclerView keeps the scroll state. Mar 9, 2018 · 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. when i scroll up and down the color changed wrong, on the first load and scroll all was fine!) Nov 9, 2016 · I have a recyclerview with simple items - an item has an image, title and a button. Horizontal RecyclerView with imageview and textview. How to resolve this? Jan 12, 2016 · the User Will Change some Students Attend State to Absent. the upper Spinners value return do Default value which is Attening. Recycle view getting change while scrolling. IntelliJ should convert it for you if you copy and paste. Aug 16, 2016 · I'm implementing an activity with recyclerview. g i've an if statement i the adapter to change the bg color of the listview item. 3 scrolling RecyclerView changes other data as well. The Problem is when the Spinners Count Exceed 10 Rows and user scroll the page to see remaining rows. We want to know the item position in the list, as well as which update was it (insert, remove, change Feb 13, 2016 · I've dealt with RecyclerView a few times, but this time I made the height/width of items of the RecyclerView to wrap_content. findFirstVisibleItemPosition(); View v = linearLayoutManager. But some contents of the cards are lost after the scrolling the RecyclerView down and scrolling back, as shown in the two screenshots below. getTop Apr 10, 2017 · RecyclerView change wrong value's on scroll up / down. 1 Recycle view getting change while scrolling . Name and contact phone are display Sep 10, 2015 · After putting an input in the EditText, if a scroll up or down very fast the input values swaps its position in another EditText in a RecyclerView. 0. Any idea on how to prevent the scrolling and preserve the original scrolling? Thanks RecyclerView change wrong value's on scroll up / down. But Change only color of the textview, data change problem fixed Recyclerview on Scrolling values changing from adapter. I have modified @MeHdi's answer. scrollToPosition() is extremely strange. However, the previous RecyclerView position is not restored. ViewHolder> { private String[] mDataset; public static class ViewHolder extends RecyclerView. scrolling RecyclerView changes other data as well. This is my MyRecyclerViewAdapter class. 1 Oct 31, 2015 · I need to detect the start/end and direction of scroll in a recyclerview. The edit text value disappears and spinner value changes automatically. mEditText. OnScrollListener(){ override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) { // 3 lines below are not needed. Instead, use checkBox. setOnClickListener to interact with user inputs. Mar 13, 2015 · does AbsListView. addOnScrollListener(object : RecyclerView. Recyclerview changing items when is scrolled. 0 Nov 19, 2016 · How to change the background color of only selected view in my recycle view example?only the background color of clicked itemview needs to be changed. ViewHolder and inflate your layout on onCreateViewHolder() and don't inflate again the layout in onBindViewHolder(). Thanks to @MeHdi's idea. Apr 20, 2018 · I’ve met this problem with Recycler View. Mar 16, 2021 · RecyclerView change wrong value's on scroll up / down. Any thoughts? Main Activity Jun 17, 2021 · I am trying to implement recyclerview which have a 50-100 list of item. when i click + on first row (1), textview on third row(2) is also changed, and when i scroll down, those numbers are both missing. public class MainFragment extends Fragment { //OR activity it's //fragment in my case . 100 Recyclerview on Scrolling values changing from adapter. Feb 4, 2020 · My recyclerview data changed while I scrolling down/up. 2. the layout was too small to fit the values of the item, hence the values getting truncated, when I scroll up and down Sep 4, 2017 · Any updates to the data backing the RecyclerView may cause scrolling issues. What happened with this implementation is that whenever I scroll the RecyclerView, the layout and values of the items in it get messed up as well. SCROLL_STATE_TOUCH_SCROLL value's and recyclerView value's same? – yfsx. com Dec 21, 2020 · In this article, we are going to create a collapsing Toolbar and Floating action button (FAB) on scroll with RecyclerView. Then in the onBindViewHolder you can check the value of the tracking variable and set the state of the checkbox like yourCheckbox. However, I have a problem when updating certain item views in existing list item - these changes happen, but to see them I have to scroll up or down a bit. recyclerView. and my adapter is not list adapter it is a custom adapter as it extends recyclerview adapter, not that it changes functionality. all worked fine, except when i scroll up and down the data changed (e. Each row contains of TextView and Edittext view. xml <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android Sep 27, 2016 · However, when scrolling through the RecyclerView's items, other irrelevant items are colored like their OnClickListener was triggered (though it wasn't), and when scrolling back the selected event is colored as not selected. id. Mar 18, 2021 · The issue lies with your TextWatcher that you're adding in onBindViewHolder. Feb 22, 2015 · This helped in my case. This is due to how the code calculates the scrolling offset. scrollToPosition(10), the RecyclerView will scroll item 10 to bottom. What can I do : public class ManagePriceProductsAdapter Jan 22, 2018 · I check checkboxes, scroll down in my recyclerview, when I scroll back up, checkboxes are unchecked, or else different ones are checked. There is little fault in @MeHdi's answer which will turn into a big issue, When there is a scroll up/down in recyclerview, items position get changed and its values are getting changed or becoming empty. After merely replacing the text here: holder. LayoutManager) of the RecyclerView class. getAdapterPosition()]); } Use the RecyclerView widget when you have data collections whose elements change at runtime based on user action or network events. When I scroll through the list by checking a few items in the list , the position of the checkboxes change . What happens is when I scroll my recycler view the value of my edittext in it loses. Then I tried another solution. list_item_edittext Feb 17, 2016 · I have a recyclerview with a list of names and checkboxes . nfcaidn oztht vynb ffye emuw osqsbe nfhg tzc bfhq elzcdd