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global_key

When to use the GlobalKey in Flutter. With a GlobalKey a parent widget can access the state and methods of its child Stateful Widgets.

How to download and setup global_key

Open terminal and run command
git clone https://github.com/JohannesMilke/global_key.git
git clone is used to create a copy or clone of global_key repositories. You pass git clone a repository URL.
it supports a few different network protocols and corresponding URL formats.

Also you may download zip file with global_key https://github.com/JohannesMilke/global_key/archive/master.zip

Or simply clone global_key with SSH
[email protected]:JohannesMilke/global_key.git

If you have some problems with global_key

You may open issue on global_key support forum (system) here: https://github.com/JohannesMilke/global_key/issues