January 2020
Intermediate to advanced
368 pages
12h 45m
English
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D.1. What’s the equivalent of UIView in Flutter?
In iOS, you create your UI with view objects that are instances of UIView. In Flutter, everything is a widget, and that’s the closest comparison to a UIView. They aren’t exactly the same because they handle more, but they are used to construct UIs. For our intent and purpose, they’re close enough. So, if widgets are UIViews, what are the differences?
First, widgets are immutable. They’re light-weight blueprints for the UI that are destroyed as soon as they need to be changed. Every time the configuration or state of a widget changes, Flutter redraws the relevant widget tree. But widgets are just descriptions for actual elements and don’t get drawn to the screen directly.
Also, because of the ...
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