NavController no current navigation node after device rotation

You can also fix it like this. In your host activity in manifest adding this atribute:

<activity android:name=".MainActivity"
        android:configChanges="orientation|screenSize|smallestScreenSize|screenLayout"

But the best way is change your dependencies for navigation from:

implementation "android.arch.navigation:navigation-fragment-ktx:$navigation_version"
implementation "android.arch.navigation:navigation-ui-ktx:$navigation_version"

to

implementation "androidx.navigation:navigation-fragment-ktx:$nav_version"
implementation "androidx.navigation:navigation-ui-ktx:$nav_version"

Thanks to Slav's comment, he was right. I updated navigation module to 2.2.0 navigation_version = '2.2.0' in app's module build.gradle

implementation "androidx.navigation:navigation-fragment-ktx:$navigation_version"
implementation "androidx.navigation:navigation-ui-ktx:$navigation_version"

After doing this problem is no longer appears, looks like that was a bug in navigation.

Tags:

Android

Kotlin

Android Fragments

Android Architecture Components

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