Learn flutter by package examples: PubDevApp
I released an app where you can test 300+ packages directly on your phone, either android or iphone, you can also test it on ipad or an android tablet or in macOS if you have an apple silicon, hope you enjoy :)
Android play store:
https://play.google.com/store/apps/de...
iOS app store:
https://apps.apple.com/pt/app/pub-dev...