Something that you normally put before params in function's declaration such as String, int, or myRandomWidget. The API documentation: says: The Scaffold was designed to be the single top level container for a MaterialApp and it's typically not necessary to nest scaffolds. The first step is to create a signature for a function that will generate a Widget. floatingActionButton property - Scaffold class - material library - Dart API brightness4 description floatingActionButton property Null safety Widget floatingActionButton final A button displayed floating above body, in the bottom right corner. So you try to add a builder method to your own CustomScaffold, and it will also easily provide you with constraints (all without losing the fundamental functionality of SafeArea). This class provides API for showing snackBar, drawers. It implements the basic material design visual layout structure. When the Scaffold is actually created in the same build function, the context argument to the build function can't be. To create a local project with this code sample, run: flutter create .1 mysample. LayoutBuilder creates the output not by injecting the child it actually uses a builder function that puts comfortable tools in our hand, constraints (other than context). The scaffold is another class used in flutter for application design. Typical usage of the Scaffold.of function is to call it from within the build method of a child of a Scaffold. But this use case is slightly different from one adopted in SafeArea. LayoutBuilder is a good candidate since it gives us a wide range of constraints. But we spared some lines and potentially, we could spare much more of them (think at dynamically injected providers).īut now we want to find a way to easily operate on layouts and more specifically design them according to their purpose.Īvoiding depriving ourselves of what we have built, let's implement an alternative way of creating the output. Enter fullscreen mode Exit fullscreen mode
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