Which company invented the pull-down refresh function?

Yalanti company. Pull-down refresh was invented by LorenBrichter, who also applied for a patent for pull-down refresh, but he would like to see this mechanism adopted by other apps, and once said that the application is defensive.

As the name suggests, EasyRefresh can easily implement pull-down refresh and pull-up load operations on Flutter applications, and it supports almost all Flutter controls. Its function is very similar to SmartRefreshLayout of Android, and it also absorbs the advantages of many three-party libraries. EasyRefresh integrates various styles of Header and Footer, but it has no limitations, and you can easily customize it. Using Flutter's powerful animation, even a simple control can be completed. The goal of EasyRefresh is to build a powerful, stable and mature pull-down refresh framework for Flutter.