![]() The colors of each Container have been set to clearly demonstrate the effects of setting the margin and padding in the example below: Row( The app below renders two Text widgets inside the Container. The margin and padding properties of Container are used to set the margin and padding (makes sense, right?) for the visible elements in our UI. It does this by combining common painting, positioning, and sizing widgets. Container is convenient because it can be used to manage multiple widgets’ widths, heights, margins, padding, colors, and more. It’s completely invisible and clears the area outside the border.įlutter offers a Container widget that can be used to implement the box model in our apps. This is the empty space around the visible element. ![]() Its value is included in the padding of the visible element as well. A border wraps around the padding and content. Its value is included in the width and height of the visible element. This is the empty space around the content. Content is the visible element that can be sized using width and height properties. Within the box model, let’s break down the components. The goal is to ensure that the developer has a well-modeled UI. The box model is a box containing the content, padding, border, and margin of a displayed widget.
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