Failure to Redirect to Bank Authorization Page #18

I setup the library as documented but I'm having a problem where the payment screen redirects to the Bank Authorization Screen to enter the OTP sent by the bank. The bank sends an OTP but I get a blank screen, and it is like that until I abort payment. This doesn't happen in test mode though.

Also, when a user taps on Pay, the paystack screen that pops up hides the keyboard automatically and the user have to tap on the back button before the keyboard will appear.