How to set the frame of a view to fill its parents width and height

Add a frame modifier and set the maxWidth and/or maxHeight to .infinity.

Oscar de la Hera Gomez
Written by Oscar de la Hera Gomez
First published on 08/30/2024 at 14:37
Last Updated on 08/30/2024 at 14:47
<p>Two flowers that represents SwiftUI and XCode side by side with the text “Size Views to fill Screen” beneath it.</p>

Add a frame modifier and set the maxWidth and/or maxHeight to .infinity.

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<p>A screenshot of XCode showing the code that we provided to demonstrate the solution.</p>

The code for the demonstration above can be found at the tutorials/ui/fill-parent-view branch of our open source tutorial linked below.

It comes with four views that demonstrate the functionality:

  • noFill - A View that is as big as its contents.
  • fillWidth - A View whose height fits its content and width matches that of its parent.
  • fillHeight - A View whose width fits its content and height matches that of its parent.
  • fillWidthAndHeight - A View that is as fills as its parent.
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