> For the complete documentation index, see [llms.txt](https://ios-course.cornellappdev.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ios-course.cornellappdev.com/course-content/week-2-or-uikit-mvc-and-control/wednesday-or-mvc-and-control-navigation-+-delegation.md).

# Wednesday | MVC and Control (Navigation + Delegation)

[Where we at](https://intro-to-ios.github.io/course-curriculum/)

<details>

<summary><strong>Interactive Demo:</strong> Struct vs Class</summary>

{% embed url="<https://intro-to-ios.github.io/Lec3-struct-vs-class/>" fullWidth="true" %}
Interactive Demo :)&#x20;
{% endembed %}

</details>

<details>

<summary><strong>Follow Along Demo:</strong> UIKit Navigation Management </summary>

{% embed url="<https://github.com/intro-to-ios/lec3-navigation>" %}
If you prefer to download the ZIP, go to Code > Download ZIP.
{% endembed %}

### Using git in Terminal

#### Clone the Repository

```sh
git clone https://github.com/intro-to-ios/lec3-navigation.git
```

#### 2. Checkout Branches

* **If you fall behind during demo**
  * **restore** using "git restore ."&#x20;
    * or stash using "git stash"
  * then checkout a completed code to start the next demo

```sh
git checkout 1-navigation
```

```sh
git checkout 2-delegation
```

</details>

### Lecture Slides

{% embed url="<https://docs.google.com/presentation/d/1UxmsScpTNESBTpwr2aLyW1GBiB5zy4TBKnGug0dYAfw/edit?usp=sharing>" %}

#### Spring 2026 Lecture Video <a href="#spring-2026-lecture-video" id="spring-2026-lecture-video"></a>

{% embed url="<https://youtu.be/SCUA8sPU4Uc?si=A4IflQvtEZ9d3mHx>" %}