All Questions
13
questions
0
votes
1
answer
2k
views
onBackPressed is deprecated - webView in android app
I have an app where the main activity (which extends ComponentActivity) is pretty much just a webView. I have overriden onBackPressed, shown below.
@Override
public void onBackPressed(){
if(this....
0
votes
2
answers
3k
views
How to unit test a callback in parameter - Kotlin
I have a Client class (written in Kotlin in an Android app) that implements an interface ReadyCallback (written in Java in a library of the app, the app is dependent on this library). In Client I have ...
1
vote
0
answers
184
views
Java callback in kotlin is never called
I'm trying to connect to Azure DPS and Azure IoT hub using this example: https://github.com/Azure/azure-iot-sdk-java
I'm developing an Android app using Kotlin. I copied the code from the link and and ...
- 129
1
vote
1
answer
1k
views
How to pass callback function from Java to Kotlin class
I have a Kotlin class as follows (this is a sample for ease, hence it doesn't 'do' anything useful)
class MyKotlinClass (private val handleSomeCallBack: (ByteArray) -> Unit) {
private val ...
- 977
0
votes
0
answers
86
views
How to wait function call inside a function in Java, is it possible?
I'm working with a TCP server. For login action, I have a sendLogin and a receiveLogin functions, but I would like to have only one function to call like this.
fun login(login: String, pwd : String){
...
- 80
0
votes
2
answers
91
views
How do I call this constuctor in java?
I have a library (.aar) file which i imported in java. The class is LSPatch which has a constructor.
public final class LSPatch public constructor(options: org.json.JSONObject, onDiscovery: (org....
- 1,774
10
votes
2
answers
4k
views
Kotlin result type in java
Kotlin introduced the new type: Result.
I use it as a completion handler of several functions like this:
fun myFunction(completion: (Result<Boolean>) -> Unit)
Unfortunately I cannot use it ...
- 2,150
0
votes
1
answer
2k
views
How to read with java a callback from a kotlin class (Android)
This is my kotlin class:
class example {
var a = 0
fun add(b: Int, callback: (Int) -> Unit){
a += b
callback(a)
}
}
How do I use this function in a java code?
- 89
0
votes
2
answers
214
views
Java/Kotlin callback syntax - do I really need 2 callback definitions after conversion to Kotlin?
I have a problem that has been challenging me for a few days with no resolution (more directly, no resolution I feel is correct). The issue is around callbacks, Java implementation vs Kotlin ...
- 1,757
0
votes
2
answers
1k
views
How convert a callback inside retrofit callback response from java to Kotlin
I am a newcomer to Kotlin and I have a simple question :
I convert all my project from java to kotlin and I succeed to correct all bugs with the documentation.
But I did not succeed to convert a call ...
- 23
2
votes
3
answers
6k
views
Callback get response Sync kotlin
I'm tring to get the response of a callback in sync mode because I the value of the response is needed to all application to work, without this value ( token ) I can't continue to use the application.
...
1
vote
1
answer
2k
views
Android Kotlin cancel callback
still very new to Kotlin, i'm trying not to call my callback if my activity is null.
Let me explain, i have my DataManager that perform async work on some data:
fun performWork(callback: ((param1: ...
- 291
10
votes
2
answers
18k
views
Callback with parameters with Kotlin
I just started Kotlin so please be nice :)
I have a class that is responsible for fetching some data and notify the main activity that its need to update its UI.
So i have made a function in my ...
- 291