Refactor GrowthPushIOS's method interface
Refactor GrowthPushIOS's method interface

SIROK-archive/growthpush-unity,SIROK/growthpush-unity,SIROK-archive/growthpush-unity,SIROK-archive/growthpush-unity,SIROK/growthpush-unity,SIROK/growthpush-unity