tabstripviewpagerextendet

Hi, i have a little problem using TabStrip and this .bas https://www.b4x.com/android/forum/threads/tabstripviewpagerextendet.88821/#content im doing this B4X: Sub TabStrip1_PageSelected (Position As Int) Log($"Current page: ${Position}"$) Dim back As TabStripViewPagerExtendet...