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View all 2 collectionsMobile Development admins have deemed these posts noteworthy.
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18
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
Pinned
13
votes
3k
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
Can you answer these questions?
View all unanswered questionsThese questions still don't have an answer
0
votes
0
answers
7
views
How to restrict a contextual menu to a single collectionView
I have a view with three collection views on it. I want one of the collection views to have a contextual menu. How do I control that only one of them has the menu? In the code below, I have commented ...
- 125
0
votes
0
answers
9
views
Android App Crawler is not running with API 34
App Crawler is working perfectly with API 28 but not working with API 34
I use the same command:
java -jar crawl_launcher.jar --apk-file app-debug.apk --app-package-name com.example.myapplication --...
0
votes
0
answers
14
views
How to prevent isAllDay events spanning multiple day when querying devices calendar SwiftUI
I assume the issue is daylight savings. I just can't figure out a fix
My setup. I have a schedule view. on which I want to display the users Calendar events on. Each day in the schedule queries for ...
- 7,994
0
votes
0
answers
7
views
7inch raspberry pi touch screen with aosp 13 size problem
I’m working on a project using a Raspberry Pi 4 with a custom Android 13 ROM and the official 7" Raspberry Pi touchscreen.
The touchscreen display is zoomed in, causing part of the display to be ...
0
votes
0
answers
14
views
Event from ViewModel to View to cancel and relaunch LaunchedEffect
I am remaking the Simon Says game in Kotin. I try to make a good pattern between my viewModel and my view but here i don't know if there is a better way to execute what i want. So, i need to make my ...
- 13
Looking for an extra challenge?
View all bountied questionsThese questions have a bounty on them
-1
votes
0
answers
28
views
+100
SecurityError: The operation is insecure on iOS in Next.js Project
I'm encountering a persistent SecurityError: The operation is insecure. issue in my Next.js project, but only on iOS devices. I've reviewed several related posts that suggest it could be a Firefox-...
- 9,957
1
vote
1
answer
71
views
+500
Installing Device Admin & Device Owner App
I'm writing a device owner application, where I'm setting the app as device owner via ADB command:
adb shell dpm set-device-owner {package-name}/{admin-receiver}
The app is successfully set as a ...
- 139
0
votes
0
answers
37
views
+50
Pixi-viewport not responding after app(iOS) switches state from inactive to active
I am facing an issue when my simple capacitor application switches state from inactive to active state PIXI-viewport not responding(or I would say content not rendering, stacked. It happened when I ...
- 1,095
0
votes
1
answer
137
views
+50
What gradle entries are required for implementing KSP and Room in a Kotlin Multiplatform
I am in the process of converting a kotlin application to kotlin multiplatform (anroid only for now to get through initial configuration) with room. This included moving to a libs.versions.toml file ...
- 73.5k
-1
votes
2
answers
99
views
+50
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 ...
- 1,308
Recommended answers
View all recommended answersThese answers have been recommended
0
votes
1
answer
16
views
Permission Dialog for Kotlin App not showing up
I am making an Android App with Kotlin for a College Assignment. The assignment has a requirement to store an image into an SQLite database. I code in the code to request permissions to access the ...
- 73.1k
Answer
When targeting android 13+ READ_EXTERNAL_STORAGE no longer works and you must use a different permission Please read the behavior changes If the image is already on the device I am not sure why you ...
View answer
- 73.1k
1
vote
1
answer
21
views
SwiftUI Xcode project - Can I change the struct name in the automatically generated file whose name is the app's name?
Suppose I create a new Xcode project of SwiftUI with app name "ExampleApp", then Xcode automatically generates a file ExampleAppApp.swift that contains the following code:
@main
struct ...
- 250k
Answer
Accepted
Yes, you can change the struct name and/or the file name, and you don't need to make any additional changes. All that is important is the @main attribute, and that it is attached to a struct that ...
View answer
- 250k
2
votes
1
answer
26
views
Kotlin sealed class inheritance not working without casting to sealed class
I am trying to use sealed class inheritance to organize data in a recyclerview which consumes data through PagingData, and I have been able to make it work but there is situation that I could not ...
- 91.6k
Answer
Accepted
The default variance of a PagingData's type is invariant. That means that a PagingData<SubClass> does not qualify as a subtype of PagingData<SealedClass>. You described this as working ...
View answer
- 91.6k
0
votes
1
answer
13
views
Detecting field access in Android applications using Java and Xposed Framework
I'm trying to detect when a specific field in an Android application is accessed or modified. I'm using Java and the Xposed Framework.
Specifically, I want to log when this field is read or written
...
- 41.6k
Answer
Xposed bases on method hooks, but fields can be accessed by DEX code directly by iget* iput* sget* sput* DEX commands. But Xposed isn't able to hook DEX commands, only methods. Therefore the only way ...
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- 41.6k
-5
votes
2
answers
36
views
How to create a singleton class for amplitude?
I have the following amplitude code that initializes amplitude
import AmplitudeSwift
let amplitude = Amplitude(
configuration: Configuration(
apiKey: "YOUR-API-KEY"
)
)
...
- 86.1k
Answer
Your question is a bit vague. Do you have the ability to modify the Amplitude class? If so, you could add plumbing to the class that creates a single instance. Failing that, you could create a wrapper ...
View answer
- 131k
See what's trending
View all trending questionsThese are the most active questions in Mobile Development Collective
4354
votes
130
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 ...
- 17.8k
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 ...
6393
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
2735
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
202
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”. ...
- 4,462
9
votes
588
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 ...
- 344
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