GooglePaymentCardNonce.PaymentData to a GooglePaymentCardNonce.PaymentMethodNonce representing a Google Payments card.#isReadyToPay(BraintreeFragment, BraintreeResponseListener) to check whether the
Google Payment API is supported and set up on the device.PaymentData response in your activity's
Activity.onActivityResult(int, int, Intent) to get a GooglePaymentCardNonce.GooglePayment.requestPayment(BraintreeFragment, GooglePaymentRequest)
will attempt to skip the UI and directly return the data from the buyer's previous selection.