TimePickerState
Factory function for the default implementation of TimePickerState should be used in most cases.
Parameters
initialHour
starting hour for this state, will be displayed in the time picker when launched Ranges from 0 to 23
initialMinute
starting minute for this state, will be displayed in the time picker when launched. Ranges from 0 to 59
is24Hour
The format for this time picker. false for 12 hour format with an AM/PM toggle or true for 24 hour format without toggle. Defaults to follow system setting.