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View all 2 collectionsMobile Development admins have deemed these posts noteworthy.
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19
votes
5k
views
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
18
votes
7k
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
FFmpegKit in Flutter fails with configuration output on Android
I am using ffmpeg_kit_flutter in my Flutter app to add a text overlay to a video. However, when I try to execute the FFmpeg command, I get an output similar to this:
configuration: --cross-prefix=...
0
votes
0
answers
4
views
iOS Soft Keyboard Pushes Fixed DIV up instead of dynamically adjusting height
I'm working on a responsive app using React and Tailwind CSS. The layout works as expected on desktop browsers, but I’m having an issue on iOS when the virtual keyboard opens.
When the virtual ...
0
votes
0
answers
3
views
HLS Stream Stops and Fails to Restart on iOS
I'm working on an iOS app using JWPlayer SDK to stream an HLS video. However, the stream stops and doesn't restart on both emulators and real devices. The output provides the following information:
&...
0
votes
0
answers
12
views
Connection reset (SocketException) during image upload to Amazon AWS S3 using OkHttp on Android with certain operator
I'm encountering a java.net.SocketException: Connection reset error while attempting to upload an image to an Amazon AWS S3 pre-signed URL using Android Upload Service with OkHttp with Zain network ...
- 444
0
votes
0
answers
8
views
Expo 52: Android Build Failed After Adding React Native Google Cast
My android build was working flawlessly until I installed react-native-google-cast.
Here's the error I'm getting (on npx expo run:android):
> Task :app:processDebugMainManifest FAILED
[com.android....
Looking for an extra challenge?
View all bountied questionsThese questions have a bounty on them
1
vote
0
answers
35
views
+200
Streaming screen record from WebRTC app - route audio to internal
TL;DR
How to route remote participants voice in WebRTC call so they can be treated as internal sounds by Streamlabs or similar streaming apps?
Long story
My game is using Google WebRTC library for the ...
- 11.8k
0
votes
1
answer
34
views
+100
In iOS, Change accessibility text of a UIView element based on the focus direction
Can the accessibility text of a UIView be changed based on the direction the focus it received.
Example:
I have a layout as rendered below, Top Label followed by Collection view, followed by Bottom ...
- 3,464
0
votes
0
answers
19
views
+50
How to check if a SCNNode's geometry is visible and not obstructed by other nodes in SceneKit?
I have a container with many toy nodes. I want to touch the screen to pick up all the visible nodes.
I did a hit test to get the list of all nodes in my touch location. However, some of the nodes are ...
- 1,055
0
votes
0
answers
58
views
+500
Android management API onboard a device error
We are using Android Management Api to provision an Android 14 device with the native Google DPC using the '6-Taps at startup' method,and are really struggling to get it working.
(We have tried it on ...
- 7,564
0
votes
0
answers
27
views
+50
android studio getting Caused by: org.bouncycastle.openssl.PEMException: malformed sequence in RSA private key when trying to run test
i'm trying to run basic test does not include any encryption but im getting this error:
caused by: org.bouncycastle.openssl.PEMException: malformed sequence in RSA private key
logs:
2024-12-07T23:12:...
- 504
Recommended answers
View all recommended answersThese answers have been recommended
0
votes
1
answer
14
views
Pass Nav Augments to enter Transition arguments in android compose navigation
I’ve got a Navigation compose that passes arguments to the start animation, specifically the scaleIn and scaleOut properties. However, the offSetX and offSetY values are null.
But here’s the catch: ...
- 199k
Answer
The enterTransition goes from an initialState - the screen you were at before going to this destination to the targetState - the screen you are going to be on when the transition ends. That means that ...
-1
votes
1
answer
30
views
What happens when retroactive conformance actually conflict in Swift
So I have this code:
struct GameState: Equatable {
let position: SCNVector3
}
extension SCNVector3: @retroactive Equatable {
...
}
I have to put retroactive here to silence a compiler warning, ...
- 1,055
Answer
When Apple introduces the Equatable conformance, it will be undefined behaviour. From the Swift Evolution proposal, Now that this client has declared this conformance, if Foundation decides to add ...
View answer
- 266k
1
vote
2
answers
60
views
Parsing JSON in Swift Error: Expected to decode Array<Any> but found a dictionary instead
I'm trying to decode this JSON called Menu.json
[
{
"day": "Monday",
"locationName": "Memorial Union Quad",
"coordinate": [38.54141, -...
- 52k
Answer
Accepted
OrderedDictionary (from swift-collections presumably) is expected to be decoded from a JSON like this: [ "key1", "value1", "key2", "value2" ] ...
View answer
- 266k
0
votes
1
answer
57
views
Can exceptions be used to handle network errors? [closed]
I noticed that in all the examples of working with the network (Retrofit, Ktor, etc.) create sealed classes like this:
sealed interface ApiResponse<out T> {
data class Success<T> : ...
- 93.3k
Answer
Accepted
Those libraries do use exception. Particularly retrofit, it will throw an exception on a network failure. As does the OkHTTP library that RetroFit is built on. So yes, it's ok to send an exception. ...
View answer
- 93.3k
0
votes
1
answer
33
views
iOS SwiftUI Image copy after applying effects
I have an iOS image to which I have applied scale, offset and rotation to, and then clipped. How can I get a copy of the image (or save a copy) with these effects applied?
import SwiftUI
struct ...
- 266k
Answer
Accepted
The modifiers you added to image1 doesn't change what "image1" means. image1 still refers to the original image. You should pass the whole image1.resizable().scaleEffect(1.5)... expression, ...
View answer
- 266k
See what's trending
View all trending questionsThese are the most active questions in Mobile Development Collective
4365
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 ...
3564
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 ...
- 191
6411
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
3181
votes
54
answers
834k
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 ...
- 458
2741
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....
- 11.6k
Learn something new
These are the most recent articles in Mobile Development Collective
11
votes
567
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”. ...
- 4,522
11
votes
916
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 ...
- 364
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