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View all 2 collectionsMobile Development admins have deemed these posts noteworthy.
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12
votes
3k
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iOS Frequently Asked Questions
The iOS-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 exploring a ...
- 101
Pinned
17
votes
5k
views
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
4
views
Android Studio debugger not working always show Collecting data
My Android Studio debugger isn't working. When it hits a breakpoint, it shows "collecting data" all the time (Emulator and Device), making it difficult for me to work efficiently.
Previously,...
0
votes
0
answers
4
views
Embedding a C library and its dependencies into a Flutter iOS app
I am trying to use a C library in my Flutter iOS app (https://github.com/quiet/quiet)
I have compiled the library and its dependencies into separate dylibs targeting the iOS platform but have no idea ...
- 339
0
votes
0
answers
3
views
Unable to boot simulator
I'm trying to run my React native project from Xcode. Where I am getting this error. After 3-4 tries the simulator is getting opened and the error is resolved automatically. I do wanna know the root ...
-1
votes
0
answers
7
views
clear background color for image
clean the background image that is downloaded from the network by link like:
https://i.postimg.cc/1zFKzM6n/800x800.jpg
in this link we will see white background.
I tried to use examples from apple ...
- 1
1
vote
0
answers
10
views
Invariant Violation: TurboModuleRegistry.getEnforcing(...): 'RNGestureHandlerModule'
Invariant Violation: TurboModuleRegistry.getEnforcing(...):
'RNGestureHandlerModule' could not be found. Verify that a module by
this name is registered in the native binary.Bridgeless mode: true.
...
- 122
Looking for an extra challenge?
View all bountied questionsThese questions have a bounty on them
0
votes
0
answers
55
views
+300
RevenueCat - Checking subscription status always returns active
The app calls verifyIAPReceipt() on load and when trying to access Pro features.
If a user has subscribed to the app but then unsubscribed, the following code still executes `subscribe()' always for ...
- 2,405
-1
votes
0
answers
29
views
+300
Twilio - Push notifications fail in serverless production deployment
I have an Twilio programmable messaging app which is deployed in a Twilio serverless environment.
let response = new Twilio.Response();
exports.handler = async function(context, event, callback) {
...
- 17.3k
0
votes
1
answer
54
views
+50
How to convert AdMob `GADFullScreenContentDelegate` to Swift 6 concurrency
This is a similar problem to How to convert `VNDocumentCameraViewControllerDelegate` to Swift 6 Concurrency but one warning is new, so this may require different solution.
I have the following code:
@...
- 1,346
0
votes
1
answer
52
views
+50
How to convert `VNDocumentCameraViewControllerDelegate` to Swift 6 Concurrency
So I have this code:
fileprivate class DocumentScanDelegate: NSObject, VNDocumentCameraViewControllerDelegate {
static let shared = DocumentScanDelegate()
var compressionQuality: CGFloat = 1
...
- 121
0
votes
1
answer
53
views
+100
Why is SwiftData @Query much slower with large datasets compared to FetchDescriptor?
I was load testing my app that lists some todos and essentially pre-populated database with 1000 records. This slowed things down in the app dramatically, tab switching felt sluggish and I pinpointed ...
- 45.7k
Recommended answers
View all recommended answersThese answers have been recommended
0
votes
1
answer
25
views
Check iPhone vs iPad device type on background thread
I have this code:
public enum DeviceUtil {
public static var isPhone: Bool {
return UIDevice.current.userInterfaceIdiom == .phone
}
}
And I got warning saying UIDevice API has to be on the ...
- 113k
Answer
There is no need to call UIDevice.current.userInterfaceIdiom every time. The device won't change. You could replace the computed property with a static assignment public enum DeviceUtil { public ...
View answer
- 113k
0
votes
1
answer
23
views
ConstraintLayout in compose multiplatform?
How to use ConstraintLayout in multiplatform compose..
commonMain.dependencies {
implementation(compose.runtime)
implementation(compose.foundation)
implementation(compose....
- 1.0m
Answer
As of July 2024, Google's official ConstraintLayout() implementation is only for Android, and JetBrains has not created an official Compose Multiplatform port. However, this GitHub repo contains an ...
View answer
- 1.0m
0
votes
1
answer
28
views
Update text opacity in SwiftUI ScrollView based on scrollTransition
How can I fade in & out the opacity of the Text elements based on the phase? If phase is identity then the text opacity should be 1. When a view at the edge of the scrollview is 1/3rd visible, the ...
- 248k
Answer
You can have multiple scrollTransitions! Just put one on the Text: .overlay(alignment: .leading) { Text(titles[index]) .font(.title2) .scrollTransition { content, phase in ...
View answer
- 248k
1
vote
2
answers
73
views
Android compose: offset at a fraction of parent size
I want to place some composables at specific positions on top of an image. However, the image will be responsive (it will resize), so I can't use Modifier.offset(some_fixed_offset.dp).
Modifier.offset(...
- 434
Answer
Accepted
Modifier.offset() changes placeable placement based on fixed values via parameters as private class OffsetNode( var x: Dp, var y: Dp, var rtlAware: Boolean ) : LayoutModifierNode, Modifier....
0
votes
1
answer
20
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What is the ideal way to push updates from a helper util class, like a LoginUtil.kt, to the ViewModel and the UI itself subsequently?
I am trying to make a LoginUtil.kt class in my Android App. In short, the class is supposed to be a simpler high-level interface for the ViewModel to interact with to log in and log out within the app....
- 137k
Answer
I want the ViewModel to observe this FirebaseUser object. A FirebaseUser object is not an object that can be observed. If you want to track the user auth state, I recommend you use FirebaseAuth....
View answer
- 137k
See what's trending
View all trending questionsThese are the most active questions in Mobile Development Collective
4352
votes
130
answers
1.8m
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 ...
- 17.7k
3554
votes
78
answers
1.1m
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 ...
6391
votes
34
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?
CommunityBot
- 1
3172
votes
54
answers
831k
views
How to 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 ...
- 12.5k
2734
votes
65
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....
- 230
Learn something new
These are the most recent articles in Mobile Development Collective
6
votes
171
views
2 minute read
Basics of Kotlin coroutines
Basics of Kotlin coroutines
What is a coroutine?
A coroutine is a concurrency design pattern that you can use on Android to simplify code that executes asynchronously.
They are“lightweight threads”. ...
- 4,512
8
votes
569
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 ...
- 334
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