Видео с ютуба Setting An Actionbar Button Visibility To Gone

How to Set an ActionBar Button Visibility to GONE Based on Android SDK Version

Button visibility to Visible,Invisible and Gone | TechViewHub | Android Studio

Customize ActionBar of your Android app( Hide,show,add back button and more..)

Set button visible, invisible when editing Text, TextWatcher in Android Studio

Android View Visibility: Visible, Invisible and Gone | Visible vs Invisible vs Gone | Tutorial # 6