29,641 questions
2
votes
0
answers
75
views
Outline spot shadow has unwanted vertical offset if view shape has uneven corners and is used as a RecyclerView item
I'm facing a layout issue with a vertical RecyclerView whose items use are MaterialCards with custom shapeAppearanceOverlay which has asymmetric corners (top-left corner radius = 0dp, all other ...
- 91
1
vote
1
answer
55
views
How to convert recyclerview items along with other layout data to bitmap
when capturing the layout to a Bitmap, the non-RecyclerView parts of my layout appear correctly, but the RecyclerView content is missing,
How can I correctly convert a layout containing a RecyclerView ...
- 133
1
vote
0
answers
45
views
Android (Java) usinf RecyclerView: 'ViewHolder' cannot be safely cast to 'RowViewHolder'?
Using AndroidStudio I had asked Google's Gemini to convert me a piece of code of my Android Java application from using a ScrollView to using a RecyclerView instead for more efficient scrolling ...
- 4,406
0
votes
1
answer
83
views
RecyclerView Item move animation and strange behavior of on item click
I created a simple RecyclerView in Java and implemented item click handling in the adapter's onBindViewHolder method with this action that the clicked item moves to position 0.
@Override
public void ...
- 1,473
0
votes
2
answers
100
views
IndexOutOfBoundsException when scrolling to end of RecyclerView
I'm new to Android development and have tried to implement a SearchView alongside a RecyclerView to display and filter restaurants. However, when I scroll down to the bottom of the listed restaurants, ...
- 17
2
votes
0
answers
419
views
Recycler view does not update until scrolled when using DiffUtil and submitList() with a reversed Array List
I have an array list of log entries, which consists of an a time and date with a description. I want the user to be able to reverse the direction from oldest to newest and back again.
I am using ...
- 572
1
vote
0
answers
40
views
Android Kotlin DiffUtil.ItemCallback seems to have a blind spot
In my RecyclerView, I used ListAdapter combined with DiffUtil.ItemCallback.
class CustomDiffCallback : DiffUtil.ItemCallback<TypeInterface>() {
override fun areItemsTheSame(p0: TypeInterface,...
- 479
0
votes
1
answer
73
views
Initialization of recycler view using rootViewContext
fun RecyclerView.applyHorizontalDecoration(context: Context, spacing: Int){
with(this){
Log.i("sachin", "$context,,,,,,,, ${rootView.context}")
...
0
votes
1
answer
78
views
onBindViewHolder in Android recylerview is not called when update is triggered via setOnCompletionListener
I have been having a problem since quite some time and I have tried many things to understand and get rid of it without any success. Actually I am developing a music app with different songs that can ...
- 717
0
votes
0
answers
71
views
RecyclerView IndexOutOfBoundsException with Paging3 and Selection Library (tryGetViewHolderForPositionByDeadline)
I am developing an Android app in Java that displays a grid of Japanese Kanji characters using RecyclerView with a GridLayoutManager. I'm using the Android Jetpack Paging3 library to load data from a ...
- 41
0
votes
0
answers
69
views
ItemTouchHelper drag gesture releases after moving one item in RecyclerView with ListAdapter
I'm implementing drag-and-drop functionality in a RecyclerView using ItemTouchHelper and a ListAdapter. Swiping items works perfectly, but I'm facing a strange issue with dragging.
The Problem
When I ...
1
vote
0
answers
41
views
Why doesn't the copy/paste context menu appear when I long-press on text inside a RecyclerView item?
During the recycling and reuse process of RecyclerView (items/views).Why doesn't the copy/paste context menu appear when I long-press on text inside a RecyclerView item?
If I use holder....
- 11
1
vote
1
answer
106
views
Android Studio Recycler View Adapter Holder Reference
So what I'm trying to achieve is the following:
I have a list of items in the recycler view (upto) 24 line items in the recycler.
In one list view item there will be a left and right item that a user ...
- 2,320
0
votes
1
answer
48
views
Android Adapter not always updating data
Hello I am having trouble with a problem where on my recycler view it displays sometimes the associated items given in the view. I had this problem earlier and what seem to make it work for the first ...
0
votes
0
answers
42
views
Android doOnLayout in recyclerView views
So this question is regarding the use of doOnLayout and the undesired effect it has when the view that is using it is being recycled.
So far I have been using this function to perform an action when ...
- 2,004
1
vote
1
answer
93
views
Android Complex UI : Initial Creation Takes ~100ms — Is This Expected or Can It Be Optimized?
I’m working on an Android app that uses a RecyclerView with a custom Adapter and ViewHolder. The RecyclerView contains EditText views, and the properties of these views (such as text, color, padding, ...
- 447
1
vote
0
answers
64
views
Customize items in GridLayoutManager with SpanSizeLookup
I want to configure a RecyclerView with a different arrangement, as described in the image below, using my Java code:
All the items are different item types (e.g., FirstItem, SecondItem, and ...
0
votes
1
answer
35
views
Why does RecyclerView.canScrollVertically occasionally throw "Attempt to invoke virtual method ...View.getLayoutParams()' on a null object reference"?
Layout:
<RelativeLayout
android:id="@+id/relativeLayoutMain"
android:layout_width="fill_parent"
android:layout_height="0dp"
android:layout_weight="...
- 18.7k
1
vote
1
answer
65
views
How to adapt a 320x800dp design for a 411x731dp Android device screen?
I have a Figma design with a frame size of 320dp width × 800dp height that I want to implement in my Android app using XML layouts. However, my target device screen size is 411dp width × 731dp height.
...
0
votes
0
answers
57
views
How to prefetch and cache RecyclerView items BEFORE they're visible
I have a RecyclerView that displays 100 videos in a vertically scrolling list. Each item in the list is a webview of the JWPlayer showing the thumbnail of the video. My list displayed 2 items in the ...
- 2,047
0
votes
0
answers
187
views
How to Fix Pull-to-Refresh Not Triggering in Jetpack Compose’s PullToRefreshBox When Wrapping a RecyclerView?
I’m trying to implement pull-to-refresh in a legacy Android project that uses a RecyclerView with an existing Adapter. To leverage Material 3’s modern LoadingIndicator (via PullToRefreshBox), I ...
0
votes
0
answers
44
views
EditText in RecyclerView only allows one character input at a time
The EditText input is limited correctly to 7 characters using InputFilter.LengthFilter(7), and that part works as expected.
However, I'm having a strange issue: when I type into the EditText inside a ...
0
votes
1
answer
64
views
How to update data in a RecyclerView using LiveData and a SearchView
I have a Room database (with dao), a Repository, a ViewModel a RecyclerView and an Adapter interacting with each other.
Right now the RecyclerView just displays all the item in my ReferenceItem table.
...
- 257
0
votes
2
answers
51
views
Cannot move TextView that is constraint to RecyclerView when RecyclerView items are dissapearing
I have 2 recycler views and one text view. What I am trying to do is when I click from top recyclerview(recyclerViewNotClickedItems) the items, they will disappear and they will appear in the bottom ...
- 1,976
0
votes
0
answers
27
views
How to handle recyclerview delete, undo and permanently delete items
I have the method in my NoteActivity class and the NoteAdapter class. I'm facing some issues.
I'm getting "java lang null pointer exception" attempt to invoke interface method NoteAdapter$...
- 1
1
vote
0
answers
36
views
RecyclerView bitmap generation - stop Progressbar animation
I use this example to generate pdf file from recyclerview. I call the getScreenshotFromRecyclerView function inside doInBackground of an AsyncTask and the bitmap is generated successfully.
The problem ...
- 406
0
votes
2
answers
60
views
How do you fix this weird behaviour with RecyclerView and GridLayoutManager?
I have a simple app using RecyclerView with GridLayoutManager.
When the app starts, it looks like this:
If I tap on 6, 12, 18 & 24 it looks like this:
But if I now tap on 6 to unselect it, it ...
- 21
-1
votes
1
answer
54
views
How can i check the button state in recyclerview?
I'm currently working on an app. There are three fragments. One is the home page fragment where there's a list of some popular locations of the world listed in a RecyclerView. And the other one is the ...
- 11
0
votes
1
answer
52
views
Why does a recycler implemented into a fragment return "No adapter attached; skipping layout" when logging suggests otherwise?
I am trying to implement a custom calendar so I am using a recycler view. I have my main activity that I have programmed a navbar with to switch between fragments. This is set up using a nav graph.
...
0
votes
0
answers
50
views
Show and hide notification red dot when the alarm is triggered in android
I have an item list in recylerview, whenever an alarm is triggered for an item, I want that item to have red dot on its corner to let the user know that they need to take some action. I have tried a ...
- 219
3
votes
3
answers
165
views
Weird issue with RecyclerView layout manager is still processing its child views after the view has been removed
I'm experimenting with functionality involving a screen that has a RecyclerView positioned at the bottom.
XML:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
...
- 5,233
1
vote
1
answer
94
views
RecyclerView retains old data in ViewHolder when new items miss some attributes – how to properly reset?
I have a RecyclerView where each item can have dynamic attributes (e.g., some items have distance and difficulty, while others only have distance).
When a ViewHolder is reused, old attribute values ...
0
votes
0
answers
41
views
How to make CarUiContentListItem (in CarUiRecyclerView) selectable?
I am implementing a CarUiRecyclerView with CarUiContentListItem in a com.android.car.settings.common.BaseFragment.
Here is my layout xml of the fragment.
<LinearLayout
xmlns:android="http://...
- 13
0
votes
0
answers
28
views
Android ConcatAdapter: disable scrolling of header adapter view
Trying to add custom static header to RecyclerView. ConcatAdapter looks good, but is it possible to freeze the header view at the top of list? Thanks.
- 5,461
0
votes
3
answers
81
views
Android RecyclerView to show video slider
I want to show videoes in recycler view, the problem is when I swap from the first video and back to the first, the first video reloads again, I want to make all videoes loaded at once and when I swap ...
user24936837
0
votes
0
answers
22
views
Animation measure() function is not calculating full height issue
The measure() function is not calculating the correct height on the first click, which is causing the full height issue.
The RecyclerView is getting an incorrect height on the first click, but after ...
- 1
0
votes
0
answers
83
views
How can we save data on runtime in Adapter Class?
I am facing some issues in saving data on my runtime(temporary saving) in my adapter class of my bottomsheet for an invoice acknowledgement.
Here is one photo explaining all the flow :
Also I have ...
- 31
1
vote
1
answer
22
views
RecycleView with Swipe Gestures: Content is not Returning to its Original Position when I Interact with Another Item
As the title suggests, I'm trying to make a RecyclerView that reveals a button when swiped to the left, while making it so that the content will remain visible when it is swiped. I managed to do so by ...
- 21
0
votes
0
answers
27
views
Compose LazyRow crash with "Horizontally scrollable component was measured with an inifinty maximum width constraints" [duplicate]
I have an android recycler view inside which I am adding my compose view which will contain the LazyRow of items. This is working correctly with portrait but in case of landscape it is crashing with &...
- 351
0
votes
0
answers
19
views
How to "persist" data/view while scrolling RecyclerView
I'm implementing an Excel-like table with RecyclerView like this:
The RecyclerView is wrapped with a ScrollView, because the requirement is only the RecyclerView is scrollable, not the entire ...
- 6,825
0
votes
0
answers
68
views
Can't get initialPrefetchItemCount to work, or how can I optimize scrolling in RecyclerView?
I have a RecyclerView with a complex layout. It's a vertical list where each item contains a nested RecyclerView with a GridLayoutManager. The inner list can have up to 40 items. Additionally, the ...
- 91
0
votes
0
answers
46
views
Android recyclerview requestFocus when scrolling up and down for edittext items only
I have recyclerview consisting of edittexts only. Those edittexts have various length. I want to stop scrolling my recyclerview on onViewAttachedToWindow when holder.getAdapterPosition() == vhIndex.
...
- 141
0
votes
0
answers
36
views
Keeping multiple RecyclerViews in alignment
I'm making an app meant to be navigated with a tv remote (Up, down, left, right, etc...).
I have several horizontal recycler views stacked on top of each other which can be properly navigated with ...
0
votes
1
answer
111
views
firebase database user submitted posts retrieve to android recycler view in date wise
This is my HomeView Fragment Activity
public class HomeView extends Fragment {
private View view;
private RecyclerView recentPosts;
private DatabaseReference donor_ref;
FirebaseAuth mAuth;
private ...
0
votes
0
answers
57
views
RecyclerView inside BottomSheet does not scroll
I have to takeover an old projet with a big issue. The app contains BottomSheet displaying a huge list of elements.
Previously, that BottomSheet contained a NestedScrollView containing itself the ...
- 41
0
votes
0
answers
18
views
How to Exclude Plugin Apps from System Apps in Android PackageManager?
I'm developing an Android app that categorizes installed applications into system apps and user apps using PackageManager. My current filtering logic for system apps is:
PackageManager packageManager =...
0
votes
0
answers
27
views
Groupie library: classes cannot be resolved
As illustrated in the subject,Item , ExpandableItem, ExpandableGroup, and GroupieViewHolder classes cannot be resolved. My project is in Kotlin and here's my gradle:
My project settings:
...
0
votes
1
answer
48
views
Activity with RecyclerView not calling OnCreate
I am trying to build a list with a recycler view. I created the recycler view, an adapter and set the adapter with default values in OnCreate and then later in that function I call a firebase async ...
- 23
0
votes
0
answers
75
views
How to create curved recyclerView
How to create curved like this in recyclerView. When selecting an item in the recyclerView, the background of the recyclerView will be raised a small part like this
Is there a repo or solution for ...
0
votes
1
answer
53
views
RecyclerView Adapter onCreateViewHolder ReInvocation Issue Despite Single Item in List
Problem Statement :
I'm facing an issue where the onCreateViewHolder method in my RecyclerView.Adapter is being called multiple times, even though there is only one item in the list. This is ...
