How to implement tabLayout in android studio with viewPager and fragments

I'm getting resource style/Base.Theme.AppCompact not found what should I do now please help me

App not opening. I will try to open. But it automatically closing

Friends, please use material library in androidx
"implementation 'com.google.android.material:material:version'"

very nice tutorial, a little outdated for library, I suggest to change the design library to material library. however, overall very good tutorial.. easy to follow... thanks man

Hi,
I have a tab activity with 2 tabs. Both tabs uses fragment, and recylerview list is showing as a used and used list respectively.
What i need to do is hitting api to make the item unused , i want to get the change in 2nd fragment.
Simply i want to update the both fragment, item should bw removed from one tab and should appear to 2nd tab. Right now i am refreshing the hole activity.
But this is not the way. Please help i am working from 5 days

Please.....?

thanks

Git?

Thanks