@react-native-community/slider

React Native component used to select a single value from a range of values.
Currently supported on following platforms:

iOS	Android	Windows	Web

Installation & Usage

To install this module cd to your project directory and enter the following command:

yarn add @react-native-community/slider

or

npm install @react-native-community/slider --save

If using iOS please remember to install cocoapods by running: npx pod-install

The following code presents the basic usage scenario of this library:

import Slider from '@react-native-community/slider';

<Slider
  style={{width: 200, height: 40}}
  minimumValue={0}
  maximumValue={1}
  minimumTrackTintColor="#FFFFFF"
  maximumTrackTintColor="#000000"
/>

Check out the example project for more examples.

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Migrating from the core react-native module

This module was created when the Slider was split out from the core of React Native.
To migrate to this module you need to follow the installation instructions above and then change you imports from:

import { Slider } from 'react-native';

to:

import Slider from '@react-native-community/slider';

React Native Compatibility

To use this library you need to ensure you are using the correct version of React Native.

@react-native-community/slider version	Required React Native Version
4.5.1	>=0.69
4.3.0	>=0.64
4.x.x	>=0.60; >=0.62 (on Windows);
3.1.x	>=0.60
2.x.x	>= 0.60
1.x.x	<= 0.59

Properties

Property	Description	Type	Required	Platform
style	Used to style and layout the Slider. See StyleSheet.js and ViewStylePropTypes.js for more info.	View.style	No
disabled	If true the user won't be able to move the slider. Default value is false.	bool	No
maximumValue	Initial maximum value of the slider. Default value is 1.	number	No
minimumTrackTintColor	The color used for the track to the left of the button. Overrides the default blue gradient image on iOS.	color	No
minimumValue	Initial minimum value of the slider. Default value is 0.	number	No
lowerLimit	Slide lower limit. The user won't be able to slide below this limit.	number	No	Android, iOS, Web
upperLimit	Slide upper limit. The user won't be able to slide above this limit.	number	No	Android, iOS, Web
onSlidingStart	Callback that is called when the user picks up the slider. The initial value is passed as an argument to the callback handler.	function	No
onSlidingComplete	Callback that is called when the user releases the slider, regardless if the value has changed. The current value is passed as an argument to the callback handler.	function	No
onValueChange	Callback continuously called while the user is dragging the slider.	function	No
step	Step value of the slider. The value should be between 0 and (maximumValue - minimumValue). Default value is 0. On Windows OS the default value is 1% of slider's range (from minimumValue to maximumValue).	number	No
maximumTrackTintColor	The color used for the track to the right of the button. Overrides the default gray gradient image on iOS.	color	No
testID	Used to locate this view in UI automation tests.	string	No
value	Write-only property representing the value of the slider. Can be used to programmatically control the position of the thumb. Entered once at the beginning still acts as an initial value. Changing the value programmatically does not trigger any event. The value should be between minimumValue and maximumValue, which default to 0 and 1 respectively. Default value is 0. This is not a controlled component, you don't need to update the value during dragging.	number	No
tapToSeek	Permits tapping on the slider track to set the thumb position. Defaults to false on iOS. No effect on Android or Windows.	bool	No	iOS
inverted	Reverses the direction of the slider. Default value is false.	bool	No
vertical	Changes the orientation of the slider to vertical, if set to true. Default value is false.	bool	No	Windows
thumbTintColor	Color of the foreground switch grip. NOTE: This prop will override the thumbImage prop set, meaning that if both thumbImage and thumbTintColor will be set, image used for the thumb may not be displayed correctly!	color	No	Android
maximumTrackImage	Assigns a maximum track image. Only static images are supported. The leftmost pixel of the image will be stretched to fill the track.	Image .propTypes .source	No	iOS
minimumTrackImage	Assigns a minimum track image. Only static images are supported. The rightmost pixel of the image will be stretched to fill the track.	Image .propTypes .source	No	iOS
thumbImage	Sets an image for the thumb. Only static images are supported. Needs to be a URI of a local or network image; base64-encoded SVG is not supported.	Image .propTypes .source	No
trackImage	Assigns a single image for the track. Only static images are supported. The center pixel of the image will be stretched to fill the track.	Image .propTypes .source	No	iOS
StepMarker	Component to be rendered for each step on the track, with the possibility to change the styling, when thumb is at that given step	FC<MarkerProps>	No	iOS, Android, Windows
renderStepNumber	Turns on the displaying of numbers of steps. Numbers of steps are displayed under the track	bool	No	iOS, Android, Windows
ref	Reference object.	MutableRefObject	No	web
View	Inherited View props...

Custom step marker and step numbers

It is possible to render default step numbers under your slider and to render custom step component and step marker.
This can be achieved by using:

renderStepNumber

Turns on the displaying of numbers of steps.
Numbers of steps are displayed under the track.
Two font sizes are available and they will be selected automatically depending on the overall number of steps.

StepMarker

Your custom component rendered for every step on the Slider, both the thumb and the rest of steps along the Slider's whole length.
This StepMarker prop accepts your custom component and provides it with the following parameters:

stepMarked: boolean;	Indicates whether that custom step is the one that the thum is currently on. If user drags or clicks on that step, thumb will be moved there and the stepMarked parameter will be set to true. Use it, to differentiate between rendering your custom thumb component, or your custom step marker.
currentValue: number;	Contains the `number` type saying at which value of the Slider the thumb currently is. Use it, for example, to render the Slider value on every step marker, or to render different step marker's variant depending on the Thumb position.
index: number;	Contains the index at which this exact instantiation of your custom step marker was rendered at. Use it if you would like to render step number within the step marker, or, for example, if you want to render many variants of step marker depending on their positions along the Slider's width.
min: number;	Minimum value of the Slider. It is equal to minimumValue and has the same default if not set.
max: number;	Maximum value of the Slider. It is equal to maximumValue and has the same default if not set.

Roadmap and Progress

There's a Project board available here which contains all reported issues organized into columns regarding their status.

If you are interested in knowing whether the issue you reported is handled or just to check the status of a feature you would like to have in Slider, please check the board.

Contributing

The main package implementation is done in the package/ directory. So when implementing changes there, make sure your code passes ESLint and the tests. Run the following to verify:

cd package/
npm run lint
npm run test

• Remember to cover your changes with tests if possible.

When creating an issue please remember to specify the platform which the issue occurs on.

Running the example app

While developing, you can run the example app to test your changes.

Setup

• Clone the repository
• Run npm install in the root directory to install dependencies.
• Run npm run example-<platform>, where platform can be: ios, android, windows

You can also do this manually by:

• Installing node modules for example app
• Installing pods for iOS app
• Running example app like always: npx react-native run-<platform>

New architecture setup (Fabric)

In order to use the new architecture some extra steps are needed.

iOS

• Install pods with new arch flag inside example/ios folder: RCT_NEW_ARCH_ENABLED=1 pod install
• Run npm run example-ios

Android

• Set newArchEnabled to true inside example/android/gradle.properties
• Run npm run example-android

If you are using React Native version lower than 0.70, you need to setup manual linking for Android to work.

Inside example/android/app/src/main/jni/Android.mk add these lines:

+ include $(NODE_MODULES_DIR)/@react-native-community/slider/android/build/generated/source/codegen/jni/Android.mk
include $(CLEAR_VARS)

    libreact_codegen_rncore \
+   libreact_codegen_ReactSlider \
    libreact_debug \

Inside example/android/app/src/main/jni/MainComponentsRegistry.cpp update these lines:

#include <react/renderer/components/rncore/ComponentDescriptors.h>
+ #include <react/renderer/components/ReactSlider/ComponentDescriptors.h>

...

MainComponentsRegistry::sharedProviderRegistry() {
  auto providerRegistry = CoreComponentsRegistry::sharedProviderRegistry();

  // Custom Fabric Components go here. You can register custom
  // components coming from your App or from 3rd party libraries here.
  //
  // providerRegistry->add(concreteComponentDescriptorProvider<
  //        AocViewerComponentDescriptor>());
+ providerRegistry->add(concreteComponentDescriptorProvider<RNCSliderComponentDescriptor>());

  return providerRegistry;
}

Maintainers

• Bartosz Klonowski - Callstack
• Maciej Łodygowski - Callstack

Contributors

This module was extracted from react-native core. Please, refer to contributors graph for the complete list of contributors.

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Made with ❤️ at Callstack

@callstack/react-native-slider is an open source project and will always remain free to use. If you think it's cool, please star it 🌟. Callstack is a group of React and React Native geeks, contact us at [email protected] if you need any help with these or just want to say hi!

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