Interval Time Picker

This package modifies the 1.20.2 release of the default Flutter Time Picker widget by adding interval options.

This package was made in response to Flutter issue #60573

Usage

In the pubspec.yaml of your flutter project, add the following dependency:

dependencies:
  ...
  interval_time_picker: "^0.1.0"

In your library add the following import:

import 'package:interval_time_picker/interval_time_picker.dart';

In your project you can then call:

showIntervalTimePicker(
    context: context,
    initialTime: TimeOfDay.fromDateTime(DateTime.now()),
    interval: 5,
    visibleStep: VisibleStep.Fifths,
);

Explanation

This package adds two parameters:

• interval
• visibleStep

interval is the steps the Interval Time Picker uses when validating the chosen time (minutes) as well as the steps it rounds off to.
The default and minimum value is 1 minute. The maximum is 30 minute.

It is actually possible to also use an interval that is not a factor of 60.
So i.e., if you are weird and want to use 7 you can use that. In that case the highest pickable number is 56 and going higher will pick 0.

This package also fixes the issue that individual minutes are only selectable by dragging the ring:
Flutter issue #62424

visibleStep are the steps (minutes) that are visible on the ring. Choose the steps by using the VisibleStep enum.
The options are a factor of 60 with 5 being the lowest and 30 being the highest. The default value is VisibleStep.Fifths.

Disclaimer

If the initial minute is not a multiplication of the interval it will show that minute. So handle this yourself when calling showIntervalTimePicker.

This package is only tested on Android with Flutter version 1.20.2