Questions tagged [kotlin]
Kotlin is a cross-platform, statically typed, general-purpose high-level programming language with type inference. This tag is often used alongside additional tags for the different targets (JVM, JavaScript, native, etc.) and libraries/frameworks (Android, Spring, etc.) used by Kotlin developers, if the question relates specifically to those topics.
kotlin
96,497
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Flow not updating when broadcastReceiver is called
I'm new to kotlin and trying to make a reminder app for medicines for a course.
My VM doesn't react to when new names are added into the currentAlerts flow by my alarmReceiver.
The only time 'doing ...
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1
answer
11
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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 ...
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Android compose `NotificationListenerService.onNotificationPosted` is never called
I'm trying to add a notification listener to a Kotlin android compose project:
My AndroidManigest.xml:
<application>
<!-- ... -->
<service
android:name=&...
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Could not find gradle-8.3.1.jar (com.android.tools.build:gradle:8.3.1)
I want to create a new project I got this error:
A problem occurred configuring root project 'My Application'.
Could not resolve all files for configuration ':classpath'.
Could not find gradle-8.3.1....
- 17.3k
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Crash on Destroy Method: "View ... does not have a NavController set"
I am getting a crash in the onDestroy method with the following error:
`Fatal Exception: java.lang.RuntimeException: Unable to destroy activity {com..presentation.screens.main.MainActivity}: java.lang....
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17
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make video full screen on click
i'm writing app using kotlin and i facing this problem
i can't switch video player to full screen
this is my xml file :
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android&...
- 5
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7
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Android websettings.setcachemode is globally?
I called clearCache in an Android WebView to delete the cache. However, I found out that this method works globally for the application’s WebView.
clearCache
Added in API level 1
public void ...
- 1
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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 ...
- 4,574
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Schema validation failed in Realm/Atlas due to an unknown type
I have a Kotlin Multiplatform app that I'm trying to get to work with Realm/Atlas. When I try to do a Realm.open(it) it says:
IllegalStateException@29576} "java.lang.IllegalStateException:
[...
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How to Pass ArrayList of Custom Objects Between Activities in Kotlin on Android Studio
I'm working on an Android project in Kotlin where I store user information in a custom object. I need to pass an ArrayList<CustomObject> from one activity to another and display the stored ...
-2
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Linking of multiple apps [closed]
If we create an flutter application (Android + iOS) using visual studio code "we have 3 applications named A, B & C. A is the main app and the other two apps (B & C) are separate apps. i ...
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2
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How to draw a hexagon with rounded corners on Android Canvas?
I want to make a hexagon with rounded corners, but I don't have any idea how to do it. I try it with different methods like: cubicTo, arcTo, etc.
My code to draw this
fun Path.customHexagon(radius: ...
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1
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23
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how do i observe changes made to kotlin's MutableList?
var questionPool: MutableList<String> = mutableListOf()
questionPool contains string ids.
ids are added and removed throughout the application's lifecycle.
How can i execute a function foo ...
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29
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Using a str variable as a key for a map always returns null
I am trying to use a Map without success.
I have whittled it down to a bare-bones case:
I create a Map with four entries:
("fruit", 25)
("veg", 30)
("baked", 35)
("...
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1
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13
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How to clear TextField upon first focus in Jetpack Compose
I am wondering if anyone has tried to modify the value of text in a TextField Component upon clicking into it the first time. I.e. There is example text, you click on it and the text disappears, with ...
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