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Score of 25
11438 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 ...
- reputation score 101
Can you answer these questions?
View all unanswered questionsThese questions still don't have an answer
Score of 1
0 answers
29 views
How to change Metadata in MediaStore Audio files / contentResolver.update always returns 0 updated
I'm attempting to change the Metadata for some (non-app owned) audio files in the MediaStore.
I've attempted to follow guidelines from:
https://developer.android.com/training/data-storage/shared/media#...
- reputation score 13
Score of 0
0 answers
64 views
Is PKCE still required when ASWebAuthenticationSession or Chrome Auth Tab securely delivers the OAuth callback?
According to RFC 8252, as specified in section 6, the native apps must implement PKCE.
Public native app clients MUST implement the Proof Key for Code
Exchange (PKCE [RFC7636]) extension to OAuth, ...
- reputation score 161
Score of 2
0 answers
42 views
Install referrer not returned when app is installed while signed into a managed Play Store account
I'm reading the Google Play Install Referrer in an Expo + React Native app using expo-application's Application.getInstallReferrerAsync(). The referrer comes back correctly when the app is installed ...
- reputation score 136
Score of -2
0 answers
40 views
How to efficiently extract APK app name and icon using adbkit-apkreader or any other alternative with S3 byte-range requests?
I’m building an AWS Lambda (Node.js) worker to validate and extract metadata from APKs stored in Amazon S3.
I’m using adbkit-apkreader 3.2.0 to parse the binary AndroidManifest.xml. Since APKs can be ...
- reputation score 1
Score of 0
0 answers
50 views
iOS 18.x only: launch-time SIGTRAP in FBSScene _sendUpdate
We are seeing an intermittent launch-time crash that increased sharply starting with iOS 18.
The affected app version is 1.4.8, which uses the UISceneDelegate-based lifecycle. The primary UIWindow is ...
- reputation score 1
Looking for an extra challenge?
View all bountied questionsThese questions have a bounty on them
Score of 2
1 answer
60 views
+250
WidgetKit AppIntentConfiguration edit sheet shows stale AppEntity displayRepresentation after underlying data changes
I have an iOS app with a WidgetKit widget using AppIntentConfiguration. The widget lets the user choose a contact from SwiftData. The widget itself updates correctly, and the contact picker list ...
- reputation score 86
Score of 1
0 answers
199 views
+50
How can I pause a 'repeating forever' animation in Reality Composer Pro 2?
I'm creating an iOS AR experience with animated characters using RCP2.
Characters are imported USDA files with embedded animations. Getting a character's animation to 'repeat forever' is ...
- reputation score 74
Recommended answers
View all recommended answersThese answers have been recommended
Score of 1
2 answers
118 views
SwifftUI-Changing @State inside view. Should body rerender if @state property is passed to nested view?
I have learnt that in iOS 13-16 every @State property change will cause body recomputation. But I have examples where this statement is not true.
Case 1 (Passing @State to a view modifier). property ...
- reputation score 31772
Answer
Your assumption is not quite right. State does not guarantee that a view will be re-rendered or that its body will be reevaluated. SwiftUI tracks dependencies, not ownership. A view becomes dependent ...
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- reputation score 125301
Score of 0
1 answer
119 views
Set size of content area in an AlertDialog
I have an AlertDialog including an .setMultiChoiceItems. I set the size of the dialog box to fill 90% of the screen, but when the dialog is displayed, the buttons are still near the top of the dialog ...
- reputation score 110614
Answer
AlertDialog isn't meant to be used this way. The best thing you can do is stop fighting the system and let it display the size it thinks it needs to display. It's design is not to take a fixed ...
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- reputation score 95435
Score of 2
2 answers
164 views
Append items to an array in an object in Swift
I am trying to append items to an array in Swift. As long as the array is located inside ContentView this works fine, but if I put the array inside an object, append() no longer works. Here is the ...
- reputation score 125301
Answer
If your minimum target starts from iOS 17 or higher, you can use @Observable as Leo already responded. If you are supporting iOS 13 or higher, you should get some help from the Combine framework. ...
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- reputation score 125301
Score of 0
1 answer
189 views
Android ACTION_SEND to X always returns RESULT_CANCELED after posting successfully
I launch the Android Sharesheet with an ACTION_SEND intent to share an image. After the user selects the X (Twitter) app, I need to know whether the post was completed or canceled.
The relevant code ...
- reputation score 1012313
Answer
Accepted
I launch the Android Sharesheet with an ACTION_SEND intent to share an image. You do so using ActivityResultContracts.StartActivityForResult. As you noted, ACTION_SEND is documented to have no output,...
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- reputation score 1012313
Score of 2
2 answers
221 views
How do I pass a remembered variable to the function call in remember's brackets?
I need to run a function when this variable: val isEnabled by remember {}
updates, and I need to pass the same variable into that same function, when the function runs.
I know this code won't work, ...
Answer
You're architecting your code wrong. In your compose code, you shouldn't be reading preferences, getting data from any source, or doing any work other than displaying UI. These things should all be ...
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- reputation score 95435
See what's trending
View all trending questionsThese are the most active questions in Mobile Development Collective
Score of 4372
132 answers
1888417 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 ...
- reputation score 1787
Score of 3568
78 answers
1162046 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 ...
- reputation score 78134
Score of 6431
35 answers
1538267 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?
- reputation score 1
Score of 3180
54 answers
843607 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 ...
- reputation score 30901
Score of 2746
65 answers
1549171 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....
- reputation score 5148
Learn something new
These are the most recent articles in Mobile Development Collective
Score of 15
1478 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 ...
- reputation score 402
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