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A simple component to display two image in comparison with a slide-over feature

A simple component to display two image in comparison with a slide-over feature

React Native Comparison SLider

Comparison slider for 2 images for React-Native.

A simple component to display two image in comparison with a slide-over feature.

Help you to compare two images
Lightweight, fast, flexible, customizable.
Support both iOS and Android devices

demo_comparison_slider

Install

npm install --save react-native-comparison-slider

Require React-Native > 0.45.0

Example code

PS: For a more detailed example, see: react-native-comparison-slider-example -> to run the example, cd to the example folder and do react-native start lunch the iOS simulator by running react-native run-ios

When you want to use the comparison slider with local images, simply add these lines:

import ComparisonSlider from "react-native-comparison-slider";

<ComparisonSlider 
  imageWidth={667}
  imageHeight={400}
  initialPosition={50}
  leftImage={require("./img/left.jpeg")}
  rightImage={require("./img/right.jpeg")} 
/> 

These code will use the left.jpeg image as the left image and the right.jpeg as the right image.
The slider will be half between the image (50).
The imageWidth and imageHeight are the size you want your comparison slider to be.

When you want to use the comparison slider with remote images, simply add these lines:

import ComparisonSlider from "react-native-comparison-slider";

<ComparisonSlider 
  initialPosition={50}
  leftImageURI="https://..."
  rightImageURI="https://..."
/> 

These code will use the leftImageURI as the left image and the rightImageURI as the right image.
The slider will be half between the image (50).
The default size for the comparison slider will be the image size of the remote url.You can bypass the size by adding the two props: imageWidth and imageHeight.

Props

Prop Description Default value
initialPosition The initial position of the slider hover the image. Value are from (0 to 100) 50
imageWidth Width of the image/comparison slider If local image: no default value. If remote image image width
imageHeight Height of the image/comparison slider If local image: no default value. If remote image image height
leftImage Left image for the comparison slider. Use as require() No default value
rightImage Right image for the comparison slider. Use as require() No default value
leftImageURI URL for the left image of the comparison slider. Use as { uri: "http://..." } No default value
rightImageURI URL for the left image of the comparison slider. Use as { uri: "http://..." } No default value
onValueChange Function that get called when the slider value changed. (value) => console.log(value) No default value
thumbnailRender Function that return a view. The view will be the middle slider Slider you can see in the demo
thumbnailWidth Width of the view that is returned by the thumbnailRender No default value
imageStyle Style property you can pass to apply to image of the comparison slider No default value
resizeMode ResizeMode property to apply to the image of the comparison slider No default value

GitHub

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