All Questions
Tagged with concurrency android
392
questions
-1
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19
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Exception in HostObject::get for prop 'UIManager': java.util.ConcurrentModificationException - React Native
In our react native app (developed via expo with a custom dev client) we are encountering a problem. Some users have told us that very often the app crashes the first time it is launched on Android. ...
- 870
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37
views
Crash | Can't access Looper on Coroutines Dispatchers.IO
I'm executing some tasks on Coroutines Dispatchers.IO like this to achieve concurrency:
fun postMessage(request: Request) {
CoroutineScope(Dispatchers.IO).launch {
val requestHandler = ...
0
votes
0
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49
views
How to implement a custom coroutine dispatcher for specific threading models in Kotlin?
I'm working on a Kotlin project where I need to implement a custom coroutine dispatcher. The requirement is to have a dispatcher that utilizes a specific threading model rather than the standard ones ...
- 9
0
votes
1
answer
77
views
Is there a way to convert the BLE GATT callback from asynchronous to synchronous?
I am new to Android development and concurrency and I am trying to build a Kotlin app, where it connects to a BLE device and reads characteristics using readCharacteristic function and use the value ...
- 3
0
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42
views
Getting data off of an infinitely running background thread onto the main thread?
I should start by saying that I'm still new to multithreading and concurrency in Java/Kotlin, so please bear with me.
I've got a thread that is for a camera preview, that is constantly updating the ...
- 1
0
votes
1
answer
40
views
Neglecting the usage of Jetpack Compose Effect Handlers: Possible Consequences?
Currently reading about Jetpack Compose Side Effects & Effect Handlers: Android Documentation
What doesn't become clear to me: What happens, when I don't use the described Effect Handlers (...
- 5,458
0
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27
views
Implementing Single Token Refresh Call with Two Networking Libraries (AsyncHttpClient & Retrofit)
I'm working with a legacy codebase that utilizes two different networking libraries: AsyncHttpClient and Retrofit. My goal is to ensure that the token refresh API is called only once during the ...
- 9
0
votes
1
answer
103
views
Concurrent Connections in Okhttp
I am using okhttp in android app. I am facing a very weird issue while making multiple calls in parallel. If I make multiple calls at once when the app just started. Instead of all the calls going in ...
- 43
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0
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26
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How to run Firebase auth function in Android in Background using RX?
I want to run my check user function in background, and rx do it. but a result of callback works only in main thread. the picture down shows it
Can i do all of the code with signInWith() and ...
- 23
0
votes
1
answer
67
views
Performing concurrent operations(Insert, retrieve data) in android sqlite
i want to ask a question related to performing concurrent operations like inserting bulk of data and retrieving data at the same time while data insert operation is going on. I have tried threads for ...
- 117
-1
votes
1
answer
104
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Error while working with getLooper() method in android
I am learning threading and concurrency in Android. I have created a basic program where the main thread sends an interrupt to the worker thread to stop the worker thread's processing. The main thread ...
- 113
1
vote
1
answer
561
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How to combine and parallelize two async calls in Kotlin
If I have two async methods, i.e:
subscribeToUserPhone(userId: Int, callback:(String)->Unit)
and
subscribeToUserStatus(userId:Int, callback:(Int)->Unit)
I'd like to provide a convenience ...
- 32.5k
0
votes
1
answer
87
views
How to force progressbar get visible just before a background thread starts its execution?
I think this is a very simple question for many people in this community, however, I can't make this to work after several experiments; I would appreciate any help.
It is JAVA-android platform: The ...
- 31
2
votes
1
answer
1k
views
Jetpack Compose: calling action inside LauchedEffect blocks UI anyway
I am trying to do some stuff on background and then displaying it to the user, but for some reason this does not work as it should and I am not sure what I am doing wrong.
It is an app with ...
- 165
0
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0
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833
views
Updating stateFlow value from multiple threads
I am facing an issue wherein when updating stateFlow value in viewmodel from multiple threads, for some of the value I am not getting callback in UI.
As an experiment I have tried the following
Below ...
