cobi_flutter_platform_settings 2.0.1
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An application settings screen for flutter that persists values via the shared_preferences package and uses the flutter_platform_widgets

cobi_flutter_platform_settings #

An application settings screen that persists values via the shared_preferences package and uses the flutter_platform_widgets for platform integration.

Getting Started #

You can use this anywhere in your app that already uses flutter_platform_widgets. If flutter_platform_widgets is new to you, please read their documentation to get started.

Note: This package currently uses some material widgets even on iOS, so make sure you use iosUsesMaterialWidgets: true (see https://github.com/stryder-dev/flutter_platform_widgets/blob/master/README.md#settings). This will likely change when this is done.

All widgets come with a property 'settingsKey' which is used to store them in shared_preferences, so you can retrieve the value from anywhere using the same key. The only exceptions from this are PlatformSettingsScreen, PlatformSettingsGroup and PlatformCustomSetting (which is intended to launch navigation routes or to just show some information).

Widgets #

PlatformSettingsScreen #

The uppermost settings container. Use this as a starting point.

PlatformSettingsScreen (
  title: 'App Settings',
  children: [],
)

PlatformSettingsGroup #

A container that groups various settings together

PlatformSettingsGroup (
  title: 'First Group',
  children: [],
)

PlatformCustomSetting #

A settings widget that takes an onPressed action, useful e.g. to launch navigation routes.

PlatformCustomSetting (
  title: 'My Custom Setting',
  subtitle: 'My subtitle',
  onPressed: () => debugPrint('hello world!'),
)

PlatformTextSetting #

A widget that shows a textfield

PlatformTextSetting<int>(
  settingsKey: 'text-setting-3',
  title: 'A text setting for integers only',
  keyboardType: TextInputType.number,
  defaultValue: 42000,
  validator: (value) {
    if (value == null || value < 1024 || value > 65536) {
      return 'Integer number between 1024 and 65536 expected';
    }
  },
),

PlatformSwitchSetting #

A widget with a two-state switch

PlatformSwitchSetting(
  settingsKey: 'switch-setting',
  title: 'This is a switch setting',
  defaultValue: true,
)

PlatformCheckboxSetting #

A widget with a checkbox on Android Note: On iOS this uses a switch due to the lack of native checkboxes

PlatformCheckboxSetting(
  settingsKey: 'checkbox-setting',
  title: 'This is a checkbox setting',
  defaultValue: false,
),

PlatformRadioSetting #

This shows a list of radio buttons

PlatformRadioSetting<int>(
  settingsKey:  'radio-setting',
  title:  'This is a radio setting',
  items: [
    PlatformListItem<int>(value: 1, caption: 'One'),
    PlatformListItem<int>(value: 2, caption: 'Two'),
    PlatformListItem<int>(value: 3, caption: 'Three'),
    PlatformListItem<int>(value: 4, caption: 'Four'),
    PlatformListItem<int>(value: 5, caption: 'Five'),
  ],
),

PlatformRadioModalSetting #

The radio buttons in this one are shown in a dialog

PlatformRadioModalSetting<int>(
  settingsKey: 'radio-modal-setting',
  title: 'This is a modal radio setting',
  defaultValue: 5,
  items: [
    PlatformListItem<int>(value: 1, caption: 'One'),
    PlatformListItem<int>(value: 2, caption: 'Two'),
    PlatformListItem<int>(value: 3, caption: 'Three'),
    PlatformListItem<int>(value: 4, caption: 'Four'),
    PlatformListItem<int>(value: 5, caption: 'Five'),
    PlatformListItem<int>(value: 6, caption: 'Six'),
  ],
),

PlatformSliderSetting #

You guessed right, a widget with a slider

PlatformSliderSetting(
  settingsKey: 'slider-setting',
  title: 'This is a slider setting',
  minValue: 0.0,
  maxValue: 100.0,
  divisions: 100,
  defaultValue: 25.0,
),

You can find more example use cases in the included example app.

Extensibility #

You can define your own widgets by subclassing PlatformSettingsWidgetBase<T> and PlatformSettingsWidgetBaseState<T, YourSettingsWidgetClass> with T being the type stored via shared_preferences. If you need a data type not supplied by shared_preferences, you can override PlatformSettingsWidgetBaseState::persist() and do the serialization yourself.

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An application settings screen for flutter that persists values via the shared_preferences package and uses the flutter_platform_widgets

Repository (GitHub)
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Documentation

API reference

License

BSD (LICENSE)

Dependencies

flutter, flutter_platform_widgets, shared_preferences

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