Crash on selecting color after rotation

[TheLastProject]

How to reproduce:

1. Go to the card editing screen
2. Click the letter in the top left
3. Click "Select color" in the "Set thumbnail" menu
4. Rotate the screen
5. Choose a color and click Select

Expected behaviour:
It changes the color

Actual behaviour:
Crash

Crash log:

Exception java.lang.IllegalStateException: The activity must implement ColorPickerDialogListener
  at com.jaredrummler.android.colorpicker.ColorPickerDialog.onColorSelected (ColorPickerDialog.java:583)
  at com.jaredrummler.android.colorpicker.ColorPickerDialog.access$000 (ColorPickerDialog.java:68)
  at com.jaredrummler.android.colorpicker.ColorPickerDialog$2.onClick (ColorPickerDialog.java:190)
  at androidx.appcompat.app.AlertController$ButtonHandler.handleMessage (AlertController.java:167)
  at android.os.Handler.dispatchMessage (Handler.java:106)
  at android.os.Looper.loopOnce (Looper.java:211)
  at android.os.Looper.loop (Looper.java:300)
  at android.app.ActivityThread.main (ActivityThread.java:8291)
  at java.lang.reflect.Method.invoke
  at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run (RuntimeInit.java:556)
  at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:1049)

This feels kinda similar to #1201, might have the same fix.

[obfusk]

Yeah I think you need to use a fragment here too. Will look into it later today.