💡Auto-Adjust SwiftUI Sheet Height to Fit Content

fatbobman ( 东坡肘子)
3 min readJan 14, 2025

TL;DR: In SwiftUI, dynamically adjust sheet height to fit its content by using GeometryReader to measure content height and passing it to presentationDetents. Ensure smooth resizing with techniques like .id() and pre-measurements to avoid jitter.

In SwiftUI development, you can enable a Sheet’s height to dynamically adjust to its content by combining GeometryReader with background, and passing the calculated height to presentationDetents. Below are detailed steps and key implementation techniques.

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Example Code

Complete sample code is available here.

Usage Example

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fatbobman ( 东坡肘子)
fatbobman ( 东坡肘子)

Written by fatbobman ( 东坡肘子)

Blogger | Sharing articles at https://fatbobman.com | Publisher of a weekly newsletter on Swift at http://weekly.fatbobman.com

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