Android Question DesignSupport & AHViewPager error

[BehnamDarzi72]

Hi, I'm receiving an error as attached, while compiling my project
I'll appreciate if you help me,
Thank You

 

[Erel]

Android SDK is misconfigured. Follow the installation instructions: https://www.b4x.com/b4a.html

 

[BehnamDarzi72]

Hi Erel,
I did all instructions but I face another now

what should I do to solve this problem? thank you

 

[Erel]

Why use DesignSupport? Switch to TabStripViewPager.

 

[BehnamDarzi72]

Maybe because of design supports interface looks better to me, but yeah TabStripViewPager does somehow the same. I'm sorry I ask questions a lot, I've just started programming, but soon will be professional