I am developing a Calculator for my android learning using kotlin. To get the numbers select to users, I need to set the code below: Is it possible to centrelize the event handling of all buttons in the single class or method? I would like to a generic solution to reduce the code Does anyone know a solution? …
Tag: kotlin
How to get arraylist from recyclerview adapter in android kotlin
I have recyclerView which is having multiple items. Every item is holding a checkbox to select that item. I want to get the selected item in another ArrayList and pass it to my MainActivity. On accept click I called getselecteditem() but getselecteditem() function always returns null. Here is my adapter code.…
Android Constraint Layout in Scroll View not showing the last item
I’m trying to make a fragment that have a sort of form with lots of textViews, EditTexts and spinners, so i have to use a scrollView to see all the items. For some reason the last item is not showing and i don’t understand why, I read lots of questions about this problem but no one works for me. C…
What is the difference between get() and addListenerForSingleValueEvent?
I see a lot of tutorials, documentation and questions about using the Firebase Realtime Database on Android talk about the addListenerForSingleValueEvent method. This method reads the value from the database once, which is what I want to do. But in the auto-complete in my IDE and in the documentation I also s…
Access Kotlin Jooq generated sources in JAVA
I am using Jooq 3.14.7 version to generate Kotlin sources. My code base has both Java and Kotlin class and we are transitioning to Kotlin. I am able to access Jooq sources in Kotlin class like below (FetchBooks.kt) But in Java classes I have to go like this below (FetchBooks.java) This seems a pretty messy wa…
How to get list of restaurant operating days with time in a week from the API response string [closed]
Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 2 years ago. Improve this question Getting the response from API as below The output list should be like below Answer Assuming …
Jitpack Task ‘install’ is ambiguous in root project Android Library
I require your help to be able to upload a project, to give them context, I am adding dependencies to my library: FAILURE: Build failed with an exception. What went wrong: Task ‘install’ is ambiguous in root project ‘project’. Candidates are: ‘installDebug’, ‘installD…
.OnClickListener versus .OnChildClickListener
I know that (View.)OnClickListener is called whenever a view has been clicked on. What I don’t understand properly is, what OnChildClickListener does. I also wanted to know the difference between them. P.S. I have read Android’s documentation on OnChildClickListener but I am not able to grasp the …
Using kotlin extension function in Java code
I have created an extension function for listening to click listener for buttons, when I try to access it from Java code it does not work, Cannot access clicks() from java file, this is what I tried Can you please suggest how to resolve this. Thanks R File – Extension.kt In my java code – FillingF…
Invoke nested deepobject method via reflection
Is it possible to invoke nested method inside nested object from real object using reflection? Something like this Real object i have is chatClient and i want to invoke method of class3, which i cannot obtain directly but via class1 path. Answer You can have a logic of fetching nested fields in a function ins…