App Crashes On Rotating The Screen Before The Tor-enabled Apps are Loaded in Android

Expected behavior

The app must be stable on screen rotation during the loading of tor enabled apps.

Actual behavior

The app crashes on clicking the setting icon and rotating the screen before it loads all the tor-enabled apps.

How to reproduce

1. Install the App from Playstore.
   
2. Launch the App and click on settings icon on bottom right corner of the app under Tor-enabled Apps option.
   
3. Rotate the screen of your device before it loads the apps.
   
   The app crashes.

• App version: 16.0.0-RC-2
• Operating system: Android 6.0.1
• Device: Samsung Galaxy J5

Recording Of The Bug

Here's the video recording of the bug.