NullPointerException on screen rotation during exit fix

[sauravrao637]

What is it?

• Bugfix (user facing)
• Feature (user facing)
• Codebase improvement (dev facing)
• Meta improvement to the project (dev facing)

Description of the changes in your PR

• check if the binding is null before attempting to retrieve its objects.

Fixes the following issue(s)

• Fixes NullPointerException on screen rotation during exit #5973

Relies on the following changes

• Could not reproduce the bug even after several attempts to do so thus had to rely on crash report provided with the issue which clearly shows Attempt to read from field 'androidx.viewpager.widget.ViewPager org.schabi.newpipe.databinding.FragmentVideoDetailBinding.viewPager' on a null object reference thus we add a check for null value for binding before accessing its objects

APK testing

On the website the APK can be found by going to the "Checks" tab below the title and then on "artifacts" on the right.

Due diligence

• I read the contribution guidelines.

[Stypox]

Thank you and sorry for being nitpicking :-D

[sauravrao637]

@Stypox Thanks for helping out and it's fine ,I am new here so would love to learn and suggestions are always welcome :)