I try to create lambda in Kotlin. I has following Java interface: public interface Specification extends Serializable { @Nullable Predicate toPredicate(Root root, …
I try to create lambda in Kotlin. I has following Java interface: public interface Specification extends Serializable { @Nullable Predicate toPredicate(Root root, …
I would like to pubish my app on the play store. Therefore at first I need to create a signed APK. Everytime I would like to create a new Key store two error messages appear (see below). First one: …
In Kotlin, how can an instance’s read-only val field be mutated? In the following Kotlin code, gson.fromJson(…) gets a Thing(0) from the InstanceCreator and somehow manages to mutate value from 0 to …
I have two lists of objects with contents that look like this: List A id = 1, name = “alex”, height = null, weight = 60 id = 2, name = “sara”, height = null, weight = 50 List B id …
The Emulator shows following error when you run it in Android Studio on Windows 10: 04-04-2021 14:45 AM Emulator: handleCpuAcceleration: feature check for hvf 14:45 AM Emulator: cannot add library …
i want to stream a video from the firebase storage, in a fragment of my android app. but what even i try my video doesn’t launch or the app crash when i request the fragment. being a beginner, i have …
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 …
Getting the response from API as below { “name”: “Restaurant name”, “operatingHours”: “Mon-Thu, Sun 11:30 am – 10:00 pm / Fri-Sat 11:30 am – 10:30 pm” }, {…
I require your help to be able to upload a project, to give them context, I am adding dependencies to my library: implementation ‘com.google.android.gms:play-services-mlkit-text-recognition:16.1.2’ …
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 …