fancy_shimmer_image 1.2.0

Flutter Android iOS

Package for easy use of images that are automatically cacheable and have a beautiful on the fly (but it can be configured) shimmer effect while loading

Introduction #

Package created for the purpose of uploading images from the internet, giving the possibility of showing a beautiful Shimmer animation while the images are not loading. And it is still possible to create a widget to be shown in case the image upload fails for some reason.

This package is basically a union of two known packages:

Basic Usage #

You can use the package on the fly by simple passing a URL of an image to the FancyShimmerImage widget.

FancyShimmerImage(  
  imageUrl: 'https://images.unsplash.com/photo-1465572089651-8fde36c892dd?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&w=1000&q=80',  
),

That will produce a image that's is cacheable by default and that has a default (grey) Shimmer animation. Similar to result below:

enter image description here

More Advanced Usage #

If you don't like the default widget behavior, you can set the background colors of the image, the color of the shimmer base effect, and the color of the highlighted effect.

FancyShimmerImage(  
  imageUrl: 'https://static.businessinsider.sg/2018/12/12/5c1c90f8e04d6243c7019cf6.png',  
  shimmerBaseColor: randomColor(),  
  shimmerHighlightColor: randomColor(),  
  shimmerBackColor: randomColor(),  
)

By randomizing the colors you can have a result similar to this:

enter image description here

Other thing you can do is to configure the direction of the Shimmer and it's speed. In the above example i configured it to have top to bottom direction and 300 milliseconds of speed.

enter image description here

One last step you can configure is to configure the widget that will appear in case the image upload fails for some reason. In this case just pass the desired widget in the errorWidget parameter. If no value is passed, a default error widget will be used.

FancyShimmerImage(  
  imageUrl: 'https://static.businessinsider.sg/2018/12/12/5c1c90f8e04d6243c7019cf6.png',  
  errorWidget: Image.network('https://i0.wp.com/www.dobitaobyte.com.br/wp-content/uploads/2016/02/no_image.png?ssl=1'),
)

enter image description here

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Package for easy use of images that are automatically cacheable and have a beautiful on the fly (but it can be configured) shimmer effect while loading

Repository (GitHub)
View/report issues

Documentation

API reference

Uploader

rodrigobastosv@gmail.com

License

BSD (LICENSE)

Dependencies

cached_network_image, flutter, shimmer

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