header
Header text shown at the top of the tipping selection menu. Used in GratuityMode.STANDARD and GratuityMode.CONFIGURED modes. Maximum 30 characters; an IllegalArgumentException will be thrown if exceeded.
Header text shown at the top of the tipping selection menu. Used in GratuityMode.STANDARD and GratuityMode.CONFIGURED modes. Maximum 30 characters; an IllegalArgumentException will be thrown if exceeded.