responsive_image

A Flutter library that bring responsive capabilities to images.

Given a set of source URLs, the widget select the approriate source depending on the rendering size of the child widget, the pixel density of the device and a user defined scaling preference.

Features

• Automatic image source selection based on size and device pixel density
• Adjustable scaling preference
• Extendability and customization with builder

Example

Basic usage:

ResponsiveImage(
  srcSet: {
    64: "https://via.placeholder.com/64",
    128: "https://via.placeholder.com/128",
    256: "https://via.placeholder.com/256",
    512: "https://via.placeholder.com/512",
  },
  scalePreference: ScalePreference.Upper,
);

Usage with builder for further customization of the displayed image:

ResponsiveImage(
  srcSet: {
    256: "https://via.placeholder.com/256",
    512: "https://via.placeholder.com/512",
    1024: "https://via.placeholder.com/1024",
  },
  builder: (BuildContext context, String url) {
    return CachedNetworkImage(
      imageUrl: url,
      placeholder: (context, url) => CircularProgressIndicator(),
      errorWidget: (context, url, error) => Icon(Icons.error),
    );
  },
);