mapButtonStyle function
Implementation
int mapButtonStyle(ApplePayButtonStyle style) {
switch (style) {
case ApplePayButtonStyle.white:
return 0;
case ApplePayButtonStyle.whiteOutline:
return 1;
case ApplePayButtonStyle.black:
return 2;
case ApplePayButtonStyle.automatic:
return 3;
default:
return 2;
}
}