Within the app bar itself, there are multiple sections that you can use to utilize it completely and make the most out of it. Actually, Flutter app bar is the main reason why you want to use Scaffold widget in your app. This is a horizontal app bar which is positioned at the most top of the scaffold. Now that you know the basic structure of Flutter Scaffold class, it’s time to dive more into details and show off some examples. Finally, floating action button goes above the bottom navigation bar and is usually positioned at the right side. Body section contains your main UI content and that entirely depends on your app’s type. Next, right below the app bar goes the body which covers the whole screen unless you add a bottom navigation bar which, as its name suggests, goes at the bottom of your UI. Here is where you place your UI title, back button, and other needed buttons. Not to mention that it’s totally your choice to use all of them at the same time but keep in mind that the body section is a must.Īs can be seen from the picture, app bar goes at the top section of the Scaffold section. The main 4 sections of the Flutter Scaffold layout are App bar, body, floating action button, and bottom navigation bar. To begin with, let’s first understand the basic layout of Scaffold widget then we’ll walk through each widget individually to learn how to use it effectively in your app. It actually save the time of manually building these widgets which is every developer’s dream, right? It provides you with APIs to display different widgets including app bar, bottom navigation bar, floating action button, back button, snack bar, and so on. In other words, Scaffold is mainly used to create the base of your app’s screen. It occupies the whole available space in your app UI and provides you with several widgets that you can use for different purposes. Scaffold widget in Flutter is used to implement the basic material design visual layout structure.
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