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View all 2 collectionsMobile Development admins have deemed these posts noteworthy.
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12
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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
-1
votes
0
answers
5
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Programming hurdles---Building a logic
I need a piece of advice from any one expert in progrmming.. I have no background of computer science but I started learning android development in 2022. I have llearnt all the basics syntex of java ...
- 17
0
votes
0
answers
16
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.tolistasync() , is it available in .net8 maui android app?
enter image description herei am working on .net maui android app .
i have big data like 8000 record .
i save data once customer install the app in sqlite db one time , then retrive from database for ...
0
votes
0
answers
5
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ML kit camera text recognition not working when navigated from another screen
I asked a previous question here where the camera preview screen with ocr wouldn't work when navigated from another screen and I managed to get it to work but now the problem is the ocr function doesn'...
0
votes
0
answers
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Publishing private app to Managed Google Play
I'm trying to publish a private app to Managed Google Play.
According to this documentation,
I have to enable Managed Google Play on Release > Setup > Advanced settings > Managed Google Play.
...
- 2,172
0
votes
0
answers
12
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MAUI .NET 8 on Android -Unable to load DLL 'sqlite3'
I have created a new MAUI .NET 8 project and migrated the Xamarin forms project code. When I tried to run the project with the Android device in Visual Studio 2022 (windows), which threw the exception ...
- 57
Looking for an extra challenge?
View all bountied questionsThese questions have a bounty on them
0
votes
0
answers
51
views
+100
LazyVGrid and scrollTo issue in SwiftUI
I have encountered an issue while implementing the scrollTo mechanism for a lengthy list of products displayed using LazyVGrid in SwiftUI.
Does anyone have a potential solution for this problem?
Below ...
- 82.6k
0
votes
0
answers
38
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+50
How to Synchronize Animations of Multiple Rows in Jetpack Compose?
I'm working on a Jetpack Compose application where I have multiple rows of components that I want to animate simultaneously. The animation in the first row(scale) is different from the second row(...
- 329
0
votes
0
answers
29
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+50
iOS Simulator Fails to Launch .app File Built with xcodebuild
I'm creating a build to use in UI automation with the following xcodebuild command:
xcodebuild -scheme Test-QA \
-project $GITHUB_WORKSPACE/iosApp/Test.xcodeproj \
-sdk iphonesimulator ...
- 2,574
1
vote
1
answer
24
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+100
Clean Architecture Dependency Graph (Multi module)
When it comes to the Clean Architecture Dependency graph I see two version:
The recommended one by Google: presentation -> domain -> data
The other: presentation -> domain <- data
What ...
- 44
0
votes
0
answers
63
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+50
Problem Downloading and Generating Live Photo from Firebase Storage in SwiftUI
I am working on an iOS application using SwiftUI where I want to convert a JPG and a MOV file to a live photo. I am utilizing the LivePhoto Class for this. The JPG and MOV files are displayed ...
- 84
Recommended answers
View all recommended answersThese answers have been recommended
1
vote
3
answers
49
views
Trim & rounded lineCap for a circle in SwiftUI
I'm trying to implement a circular progress view that looks like so:
struct SpeedometerView: View {
var body: some View {
ZStack {
Color.black.edgesIgnoringSafeArea(.all)
...
- 12.7k
Answer
I would write this as a Shape that is filled, instead of a Path that is stroked. The path of the Shape is the union of: a path created by the strokedPath of a (trimmed) circular path, with the .butt ...
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- 248k
0
votes
2
answers
21
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Where is it better to write the findViewById method in method onCreate or or immediately when defining the field?
In many tutorials on developing mobile applications in java in android studio, I see that almost everyone writes findViewById in the onCreate method, and I write immediately when defining the field (...
- 93
Answer
Accepted
Generally you want to do it in onCreate. The reason is performance- if you do it in onCreate and store it, you only find it once. If you do it whenever you need it, you have to find it every time. ...
View answer
- 92.4k
1
vote
1
answer
37
views
How to measure the size of a Coil AsyncImage with ContentScale.Fit, once loaded?
I have a Coil AsyncImage in Jetpack Compose, as follows:
AsyncImage(
model = imageRequest,
contentDescription = "Ground plan",
contentScale = ContentScale.Fit,
...
- 58.7k
Answer
Accepted
I built a library that returns Rect of Bitmap that is drawn inside Image composable, for the purpose of getting Rect of Bitmap that is drawn instead of whole container, however it takes ImageBitmap ...
View answer
- 58.7k
0
votes
1
answer
62
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Kotlin How do I update the throughput when the application is closing? [closed]
I want to update the data in Firebase when the application terminates. How can I do that
I used onDestroy and onPause but they did not do the function I wanted. When I use OnPause, every time the ...
- 3
Answer
Accepted
I used OnDestroy and OnPouse but they did not do the function I wanted. Please bear in mind, that the onDestroy is not always called. So you cannot rely on that. As @MarsAtomic already mentioned in ...
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- 137k
0
votes
1
answer
29
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android adb how to send input tap continuous with delay 0s
I want to create a program to auto tap continuous to screen android phone.
I tried "adb shell input tap x y" in LOOP but so slow (about 1s).
I tried multiple command like: "adb shell ...
- 68.2k
Answer
As @Robert mentioned, running only 1 adb shell and then executing input tap in a loop will increase the rate. However you can achieve better rates avoiding executing a new input every time. Using ...
See what's trending
View all trending questionsThese are the most active questions in Mobile Development Collective
4351
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
3553
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 ...
6389
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
830k
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
5
votes
144
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”. ...
- 4,502
8
votes
531
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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