Questions tagged [android-multithreading]
7 questions
8
votes
3 answers
Why can you run a Kotlin coroutine on the main thread?
I am having trouble understanding why this piece of code can work properly:
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
launch(Dispatchers.Main) {
log("A")
}
log("B")
}
which is…
Snackoverflow
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0
votes
0 answers
Android FMX C++ builder : Why does my thread seem to stop until I click a control
Android FMX C++ builder : Why does my thread seem to stop until I click a control
I'm using C++ Builder 10.4 update 2 to write an android app.
A thread, "FindThread", has been created to scan an array of words for words that start with a particular…
Nigel Stevens
- 147
- 1
- 1
- 9
0
votes
0 answers
Can't use volatile and synchronized in KMP project for iOS source set
I'm trying to develop a KMP library and I'm not able to use @Volatile and synchronized for iOS source set.
For @Volatile, the error is: Declaration annotated with '@OptionalExpectation' can only be used in common module sources
and, for…
Anmol Singh Sahi
- 75
- 5
-1
votes
1 answer
How to run multiple UI threads in one Activity without ANR?
I want to create a monitoring application and their updated UI every second. for example I have 10 textView for display timing and 10 Progress bar to set some progress to display and 6 timers for display time like a stopwatch. all things in the same…
jcredking
- 314
- 1
- 10
-1
votes
1 answer
How to send variable between classes while multithreading
This a much simplified version of my multithreading project and its just a way to replicate the issue in a simpler way for easy understanding.
So I have two classes startSession.java and main.java
what I am trying to do is to send a variable from…
Crimson Space
- 1
- 9
-1
votes
1 answer
Capturing every frame to recognize text ARcore - Do i need to use semaphores?
I am developing an app in which I want to recognize text in real-time.
At first I was using onTapListener so whenever the user was tapping on the screen the current frame was being captured and after that the text recognition was called.
Right now I…
nCoder
- 53
- 5
-2
votes
1 answer
Do we need to use a synchronized block for Room database
I have some code that I would like to use something like a threadpool because I am making multiple transactions at once. I used to use a SQLite database with a synchronized block. I figure that Room handles multi-threaded behaviour for you. Is…
user1743524
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