I developed startapp before
But now, startapp company have help developer by making a library for B4A developer
You can see jar+xml+exam here:
https://github.com/StartApp-SDK/StartApp_InApp_SDK_B4A_Example
Very easy to use
No need to do anything more
Try and make more money from startapp
https://github.com/StartApp-SDK/StartApp_InApp_SDK_B4A_Example/archive/master.zip
If you dont have startapp, register via link to get more money by promo code:
https://portal.startapp.com//#/signup?referredBy=rfx72sp
But now, startapp company have help developer by making a library for B4A developer
You can see jar+xml+exam here:
https://github.com/StartApp-SDK/StartApp_InApp_SDK_B4A_Example
Very easy to use
No need to do anything more
Try and make more money from startapp
https://github.com/StartApp-SDK/StartApp_InApp_SDK_B4A_Example/archive/master.zip
If you dont have startapp, register via link to get more money by promo code:
https://portal.startapp.com//#/signup?referredBy=rfx72sp