class does not implement ActivityResultLauncher AS ArcticFox

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I just installed the last version of Android Studio Arctic Fox | 2020.3.1 Canary 3.

When I open my projects, studio shows error for all of the fragments :

Class 'MapsFragment' is not abstract and does not implement abstract base class member public abstract fun <I : Any!, O : Any!> prepareCall(contract: ActivityResultContract<I!, O!>, callback: ActivityResultCallback<O!>): ActivityResultLauncher<I!> defined in androidx.fragment.app.Fragment

is it AS bug?

android-studio
1 Answers

For some reason this problem happens after core-ktx version 1.3.0-rc01. You can manage to solve it either by: downgrading your core-ktx.

implementation 'androidx.core:core-ktx:1.3.0-rc01'

or just add the suitable dependency for the fragment and leave your core-ktx as is

implementation 'androidx.fragment:fragment-ktx:1.3.0-rc02'
user_44903010
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