MaterialApp is a class that represents an application that uses material design.
It is a concrete class and derives from the StatefulWidget and resides in the
class MaterialApp extends StatefulWidget
MaterialApp makes our job easier by wrapping several widgets that are commonly required for material design applications. It builds upon a
WidgetsApp by adding material-design specific functionality, such as
StatefulWidget is a widget that has mutable state.
Technically it's an abstract class and is one of the classes that directly derive from the also abstract Widget class.
abstract class StatefulWidget extends Widget
It's defined in the
It's unique feature is the fact it has mutable state while it's sister the StatelessWidget doesn't.
Basically the State refers to information that
Stateful widgets will describe part of a user interface by building a constellation of other widgets that describe the user interface more concretely. The building process continues recursively until the description of the user interface is fully concrete (e.g., consists entirely of
RenderObjectWidgets, which describe concrete
ThemeData is a class that holds the color and typography values for a material design theme.
TabController is a class that coordinates tab selection between a TabBar and a TabBarView.
Here's it's definition:
class TabController extends ChangeNotifier
This widget is important when you want to work with tabs.
You can get the position of the selected tab via the
index property of thi...
TabBar is a material design widget that displays a horizontal row of tabs.
class TabBar extends StatefulWidget implements PreferredSizeWidget
TabBar resides in the
Mostly TabBar is created as the
AppBar.bottom part of an
AppBar and in conjunction with a
DefaultTabController is the
TabController for descendant widgets that don't specify one explicitly.
DefaultTabController derives from the StatefulWidget. This implies it has a mutable state.
class DefaultTabController extends StatefulWidget
DefaultTabController is an inherited widget tha...
A material design TabBar tab.
Tab derives from the StatelessWidget:
class Tab extends StatelessWidget
Tab also resides in the
If both icon and text are provided, the text is displayed below the icon.
More documentation coming soon.
TabBarView is a page view that displays the widget which corresponds to the currently selected tab. Typically used in conjunction with a TabBar.
TabBarView is a concrete class and derives from the StatefulWidget class.
class TabBarView extends StatefulWidget
Think of this as the page that ac...
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