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20
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Android Frequently Asked Questions
The Android-related questions that get asked repeatedly, gathered together in one place. What does a new developer always ask at some point? What are the most common questions when someone is ...
- 101
Can you answer these questions?
View all unanswered questionsThese questions still don't have an answer
0
votes
0
answers
8
views
Android elevation shadows remain visible during screen fade transitions in React Native
I'm experiencing a visual glitch on Android where elevation shadows remain visible during screen transitions, even though the screen itself is fading out. This creates a jarring effect where shadows ...
- 13
0
votes
0
answers
6
views
Can we do some action, when use uninstalles android app?
I have to call an api to inform my server that app is being uninstalled. Is it possible?
I dont want to rely on activeness of user to determine if app is installed or not. Is there any way to call my ...
0
votes
0
answers
15
views
iOS 26.1: Modal swipe-to-dismiss freezes on iPhone 14 Pro Max / iPhone 17 / iPhone 17 Pro Max but works on iPhone 11 / iPhone 16e
.pageSheet interactive swipe-to-dismiss freezes when UIDesignRequiresCompatibility = YES on specific iPhone models (iOS 26.x)
Area
UIKit → View Controller Presentation
Type of Issue
Serious Bug (App ...
- 494
0
votes
0
answers
15
views
How to make content flow beneath UITabBar in iOS 26
In all demo video's of the new Tab Bar in iOS 26, the content nicely flow's below the Tab Bar giving a floating effect.
Before migrating my main app to iOS 26, I tried implementing the new look in a ...
- 210
0
votes
0
answers
19
views
CAShapeLayer strokeEnd causes ring flash on tap – how to stop border flash on custom circular progress button (UIKit)?
I have a custom circular play/pause button in UIKit that uses CAShapeLayer as a progress ring.
Everything works except when I tap the view, the border briefly flashes even though strokeEnd = 0 and ...
Looking for an extra challenge?
View all bountied questionsThese questions have a bounty on them
2
votes
0
answers
101
views
+100
Smooth horizontal autoscroll while dragging near edges (keep item under finger)
I have a SwiftUI horizontal editor (multiple “canvases” laid out side‑by‑side in a ScrollView). When the user drags a selected object and reaches the left/right edge of the visible area, I want the ...
- 3,571
0
votes
1
answer
193
views
+100
Can't capture every emittion from StateFlow when testing with Turbine
I'm trying to test my viewmodels that exposes a public StateFlow via stateIn operator:
class HomeViewModel @Inject constructor(...) : ViewModel() {
private val _uiState: MutableStateFlow<State&...
- 705
-4
votes
0
answers
266
views
+50
Force all network activity in my app to go through a specific DNS server [closed]
To circumvent censorship, I want to force all network activity in my app to use a specific DNS server (e.g Quad9) through DoH, instead of using the system DNS.
I'm currently using OkHttp with the ...
- 53
1
vote
1
answer
152
views
+200
show recomposition counts disabled for ConstraintLayout having composeview - Android Studio Ladybug
I'm facing issue "show recomposition counts" is disabled (No source information found).
I have a ConstraintLayout having multiple ComposeViews and using - Android Studio Ladybug
Things I ...
- 1,541
12
votes
0
answers
934
views
+100
Create .xcappdata from ios simulator
I know how to download files *.xcappdata from iOS device and use it during test and running simulation.
There is a similar feature for downloading data from iOS simulator?
Now I manually copy/...
- 1
Recommended answers
View all recommended answersThese answers have been recommended
3
votes
1
answer
63
views
How to find out if a URI is a MediaStore URI
When using ContentResolver.query() on Android to find out the display name of a content URI, I need to use different projections depending on whether the URI is a document or a MediaStore URI. When ...
- 1.0m
Answer
I do not think there is a reliable way to determine if a Uri is from whatever the device manufacturer is using to implement MediaStore. So, if DocumentsContract.isDocumentUri() returns false, query ...
View answer
- 1.0m
Best practices
0
votes
1
replies
38
views
How do you create video feeds with poster in Kotlin Multiplatform?
I’m developing a Kotlin Multiplatform application using Compose Multiplatform. I’m consuming an API that returns a list of images and videos, and for each video I want to display a static poster image ...
- 1.0m
Answer
"This feels like a hack" -- we cannot comment on that code, as it is not in your post. Off the cuff, it does not feel like a hack, so you might want to both post that code and explain why ...
View answer
- 1.0m
Advice
0
votes
3
replies
51
views
SignInWithPassword has exceeded quota limits
I was developing an Android app using Firebase, but I end up with an error message that says:
2025-12-28 10:26:29.681 10326-10326 MainActivity com.tritongames.shoppingwishlist D Sign ...
- 55
Answer
"I should be able to shut off the Quota limits, correct?" Nope, this is not a quota you can change at will.
2
votes
1
answer
63
views
iOS ImagePicker shows all photos again after selecting “Limited Access” in Flutter – how to restrict to previously selected images?
I am working on a Flutter application where users upload documents (invoice / payment proof) from the gallery.
On iOS, when the app requests photo access and the user selects “Limited Access”, the ...
- 116k
Answer
When using an image picker (which is the recommended "modern" approach) then you do not need to request photo library access at all, limited or otherwise. Photo library access permission ...
View answer
- 116k
0
votes
1
answer
55
views
How do I enable custom treatment of onBackpress in Android?
I have been going through all of the recommendations and none of them work. This is current code.
@Override public void onBackPressed() {
if (isCustomKeyboardVisible()) {
hideCustomKeyboard();
...
- 638
Answer
I want to avoid using AndroidX See the documentation for more on what changed in this area in Android 16 and what to do about it, including what to do when you are not using AndroidX. Their example ...
View answer
- 1.0m
See what's trending
View all trending questionsThese are the most active questions in Mobile Development Collective
4374
votes
132
answers
1.9m
views
How can I close/hide the Android soft keyboard programmatically?
I have an EditText and a Button in my layout.
After writing in the edit field and clicking on the Button, I want to hide the virtual keyboard when touching outside the keyboard. Can someone provide a ...
- 1,787
3568
votes
78
answers
1.2m
views
Why is the Android emulator so slow? How can we speed up the Android emulator?
I have got a 2.67 GHz Celeron processor, and 1.21 GB of RAM on a x86 Windows XP Professional machine.
My understanding is that the Android Emulator should start fairly quickly on such a machine, but ...
6430
votes
35
answers
1.5m
views
What is the difference between px, dip, dp, and sp?
What is the difference between the units of measure
px, dip, dp, and sp?
3180
votes
54
answers
837k
views
How can I stop EditText from gaining focus when an activity starts in Android?
I have an Activity in Android, with two elements:
EditText
ListView
When my Activity starts, the EditText immediately has the input focus (flashing cursor). I don't want any control to have input ...
- 31.3k
2748
votes
66
answers
1.5m
views
How can I fix 'android.os.NetworkOnMainThreadException'?
I got an error while running my Android project for RssReader.
Code:
URL url = new URL(urlToRssFeed);
SAXParserFactory factory = SAXParserFactory.newInstance();
SAXParser parser = factory....
- 11.8k
Learn something new
These are the most recent articles in Mobile Development Collective
12
votes
1k
views
1 minute read
Using SwiftData with SwiftUI
One thing we iOS developers should rejoice about is the development of SwiftData, at least if you are coding for a very new project and can forget about iOS versions below 17.
We finally have an ...
- 392
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