Data Passing in iOS Apps - UI Kit

📰 Dev.to · Theo Millard

Learn how to pass data between view controllers in iOS apps using UI Kit, a crucial skill for building robust application flows.

intermediate Published 2 Jun 2025

Action Steps

Create a new view controller and pass data to it using segues or programmatically
Use delegates or closures to return data to the previous view controller
Implement data passing using NSUserDefaults or Core Data for more complex scenarios
Test and debug data passing to ensure correct functionality
Apply data passing techniques to real-world iOS app development projects

Who Needs to Know This

iOS developers and mobile app designers benefit from understanding data passing techniques to create seamless user experiences.

Key Insight

💡 Data passing between view controllers is crucial for building robust iOS app flows, and can be achieved using segues, delegates, closures, or Core Data.

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Title: Data Passing in iOS Apps - UI Kit

URL Source: https://dev.to/tohemt/data-passing-in-ios-apps-ui-kit-2fmb

Published Time: 2025-06-02T15:05:43Z

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# Data Passing in iOS Apps - UI Kit

[#swift](https://dev.to/t/swift)[#mobile](https://dev.to/t/mobile)[#ios](https://dev.to/t/ios)

Passing data to between view controllers is crucial in your application flows.

There are 2 types of passing data:

1. Passing Data to Another ViewController
* when creating new view controller

2. Returning Data to Previous Activity
* when closing current view controller

There will be more detailed explanation with example below.

* * *

## [](https://dev.to/tohemt/data-passing-

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Data Passing in iOS Apps - UI Kit

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