[CRASH] - Clicking "See All" from Top songs crashes

[eddyizm]

Description

Identified by Tv, I can reproduce the artist page new Top Songs button See All crashes every time.

Steps to Reproduce

1. Click on library
2. Scroll to an artist with several albums to see data in Top Songs
3. Once top songs resolves, click on See All.
4. Crash.

Environment

• Android device: Emulator
• App version: introduced in v4.17.3-dev - present in v4.17.9-dev
• App variant: both

Crash Logs/Stack trace

java.lang.NullPointerException: Attempt to invoke interface method 'int java.util.List.size()' on a null object reference
	at com.cappielloantonio.tempo.ui.fragment.SongListPageFragment.setSongListPageSubtitle(SongListPageFragment.java:313)
	at com.cappielloantonio.tempo.ui.fragment.SongListPageFragment.lambda$initSongListView$4$com-cappielloantonio-tempo-ui-fragment-SongListPageFragment(SongListPageFragment.java:220)
	at com.cappielloantonio.tempo.ui.fragment.SongListPageFragment$$ExternalSyntheticLambda3.onChanged(D8$$SyntheticClass:0)
	at androidx.lifecycle.LiveData.considerNotify(LiveData.java:133)
	at androidx.lifecycle.LiveData.dispatchingValue(LiveData.java:146)
	at androidx.lifecycle.LiveData$ObserverWrapper.activeStateChanged(LiveData.java:483)
	at androidx.lifecycle.LiveData$LifecycleBoundObserver.onStateChanged(LiveData.java:440)
	at androidx.lifecycle.LifecycleRegistry$ObserverWithState.dispatchEvent(LifecycleRegistry.kt:314)
	at androidx.lifecycle.LifecycleRegistry.forwardPass(LifecycleRegistry.kt:251)
	at androidx.lifecycle.LifecycleRegistry.sync(LifecycleRegistry.kt:287)
	at androidx.lifecycle.LifecycleRegistry.moveToState(LifecycleRegistry.kt:136)
	at androidx.lifecycle.LifecycleRegistry.handleLifecycleEvent(LifecycleRegistry.kt:119)
	at androidx.fragment.app.FragmentViewLifecycleOwner.handleLifecycleEvent(FragmentViewLifecycleOwner.java:100)
	at androidx.fragment.app.Fragment.performStart(Fragment.java:3194)
	at androidx.fragment.app.FragmentStateManager.start(FragmentStateManager.java:628)
	at androidx.fragment.app.FragmentStateManager.moveToExpectedState(FragmentStateManager.java:290)
	at androidx.fragment.app.FragmentManager.executeOpsTogether(FragmentManager.java:1943)
	at androidx.fragment.app.FragmentManager.removeRedundantOperationsAndExecute(FragmentManager.java:1845)
	at androidx.fragment.app.FragmentManager.execPendingActions(FragmentManager.java:1782)
	at androidx.fragment.app.FragmentManager$5.run(FragmentManager.java:565)
	at android.os.Handler.handleCallback(Handler.java:942)
	at android.os.Handler.dispatchMessage(Handler.java:99)
	at android.os.Looper.loopOnce(Looper.java:201)
	at android.os.Looper.loop(Looper.java:288)
	at android.app.ActivityThread.main(ActivityThread.java:7898)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:548)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:936)

Reproducibility

Always