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View all 2 collectionsMobile Development admins have deemed these posts noteworthy.
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13
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
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
Can you answer these questions?
View all unanswered questionsThese questions still don't have an answer
0
votes
0
answers
4
views
Keyboard in swiftui is overlapping UI elements
Whenever i click in my textfield, the keyboard is overlapping my button, and i would like that the view would go up to have space between the button and keyboard
Simulator image
this is my code
import ...
- 1
0
votes
0
answers
6
views
How do I inspect a file in Flutter's Application-Documents-Directory?
After writing the file counter.txt
Future<File> get _localFile async {
final path = await _localPath;
return File('$path/counter.txt');
}
located in a folder specified by ...
- 611
0
votes
0
answers
6
views
Pixel tablet in AS emulator is not loading the correct layout version
My app has different layout versions for 'port', 'land', 'SW600dp' etc., which load correctly into the emulator for other devices such as Pixel 7a and Pixel C, but the emulator for the Pixel Tablet ...
- 155
0
votes
0
answers
4
views
Mongo DB Driver for Android Native Jetpack Compose. I do not want to use Mongo DB Realm or Atlas App
Mongo DB Driver for Android Native Jetpack Compose. I do not want to use Mongo DB Realm or Atlas App.
Expecting to get a library or mongo db driver. just like pymongo for python. I do not want to use ...
1
vote
0
answers
9
views
How to keep the button over the other elements even if it is disabled in Jetpack Compose?
I have a screen where I display a list of items:
Scaffold(
content = {
//List of items
},
floatingActionButton = {
Button(
onClick = {
if (...
- 2,648
Looking for an extra challenge?
View all bountied questionsThese questions have a bounty on them
1
vote
2
answers
37
views
+100
Desugaring error when running on React Native Android
I'm building a app for a Pax SmartPOS using the Zoop SmartPOS SDK, it uses Android SDK 23 so I need to use the coreLibraryDesugaringEnabled for it to be able to use the java time Instant.
The problem ...
- 73.4k
0
votes
0
answers
36
views
+50
flutter deep links not working with go router
I'm using go router in my flutter app to respond to deeplinks.
The flutter dev tool tells me that my deeplink are valid and when I run adb to manually activate a deep link i see:
adb shell am start -a ...
- 4,371
0
votes
1
answer
89
views
+300
RevenueCat - customerInfo.activeSubscriptions always returns value
This is a production bug where users who have previously been subscribed still have access to all Pro features due to customerInfo.activeSubscriptions returning all productIdentifiers of previous ...
- 2,405
-1
votes
1
answer
42
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
1
vote
0
answers
34
views
+50
Custom tiles server is not showing in MapBox android
this is my first time using MapBox for anything. I am trying to replicate this in Android app. I have followed MapBox documentation for showing Vector tiles server from third party. Currently I have ...
- 447
Recommended answers
View all recommended answersThese answers have been recommended
0
votes
1
answer
31
views
How to read Bluetooth Low Energy GAP characteristic values as a string?
Hello I am new to developing an app and even newer to the concept of BLE. I am developing an application on android using Java that is capable of scanning BLE devices nearby. The main purpose is to ...
- 41.6k
Answer
The grey entries show two values in hex: the UUID and the read values. Characteristics read values There is no general format which allows you to interpret the values of all the different ...
View answer
- 41.6k
1
vote
1
answer
38
views
Passing argument of non-sendable type '(any URLSessionTaskDelegate)?' outside of main actor-isolated context may introduce data races
I am using SwiftUI and I declared the View as @MainActor to resolve some of the concurrency warnings. However, I still get the warning
Passing argument of non-sendable type '(any ...
- 249k
Answer
Accepted
The warning is talking about the delegate parameter of data(from:delegate:). This parameter has a default value (nil) so it is still passed, even if you are not passing anything explicitly. The Task ...
View answer
- 249k
0
votes
2
answers
29
views
App crashes when trying to use a pre-populated room database due to difference between the schemes
I'm trying to make a small app for a project and decided to use a pre-populated database however i keep getting an error that says that the Expected and Found schemes are different, but i don't know ...
- 13
Answer
You will need to update your asset with a database whose schema matches what your code expects. Alternatively, update your code to match the schema of the database. Either way, those two need to agree ...
View answer
- 1.0m
1
vote
1
answer
26
views
Is it possible to create a View component that only returns ChartContent?
I have a complex chart that can render variety of graphs in different styles and am working on abstracting these variants into separate view component, one of such examples is
import SwiftUI
import ...
- 249k
Answer
Accepted
What you are trying to create is not a View, but a ChartContent. Conform your struct to ChartContent instead: struct ExerciseChartPlot: ChartContent { // Public Variables ... // Body var ...
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- 249k
1
vote
1
answer
26
views
Android Kotlin/Compose ViewModel - two SateFlows for two separate fucntions to one StateFlow for UI ViewModel?
Firstly, I'm not a developer or anything, but I wanted an app that doesn't exist for my phone and I understand a minimal amount of coding, went through the Android Kotlin/Jetpack Compose basics course,...
- 91.4k
Answer
Accepted
If you merge two StateFlows, you get just a vanilla Flow (a cold one that will start collecting from the two hot StateFlows when it starts getting collected). That's because the merge function is just ...
View answer
- 91.4k
See what's trending
View all trending questionsThese are the most active questions in Mobile Development Collective
4352
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 ...
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
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
180
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
574
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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