How do I cache API data in flutter?

Caches are used to store temporary files, using hardware and software components . An example of a hardware cache is a CPU cache. This is a small chunk of memory on the computer’s processor used to store basic computer instructions that were recently used or are frequently used.

Cached network image A flutter library to show images from the internet and keep them in the cache directory.

First of all, you need to add dio and dio_http_cache flutter Packages in your project by adding the following lines in pubspec. yaml file. Here, dio package is for fetching JSON or any other resource from REST API, and dio_http_cache package is to be used for caching resources fetched from REST API.

We use two platforms for caching: Shared Preferences (Key-Value little database on mobile) File (Any . json file on a mobile device)