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During this tutorial you will build a photo sharing app that is similar to the popular app Instagram. After finishing the Make School Notes tutorial you should have a good understanding of the basics of iOS development.

In this tutorial we will touch many advanced iOS development topics including how to use Firebase to build a backend for your app.

Here are the most important things you will learn:

  • How to implement an email signup and login flow using Firebase Auth
  • How to structure and store data using Firebase Realtime Database
  • How to capture photos and upload them with Firebase Storage
  • How to query and retrieve data from Firebase
  • How to architect a complex iOS app
  • How to use libraries built by other developers to speed up development

Before starting the tutorial, we'll take some time upfront and install CocoaPods.

Installing CocoaPods

CocoaPods is a dependency manager that allows you to easily install and manage third-party code.

We'll want to go ahead and start the installation process for CocoaPods because the first time running pod install may take a long time.

Open terminal and type:

sudo gem install cocoapods

Next run the following command:

pod setup --verbose

This step will take 10-15 minutes to complete the first time you run it. This is because it will clone the entire cocoapods master repo (~1GB) to ~/.cocoapods/repos.

During the process of running pod setup, you can continue on as you wait for it to complete.

We'll dive more in-depth about dependency management and what CocoaPods does when we setup our Xcode project.

Conclusion

After finishing the tutorial you will have a good understanding of building complex iOS apps that tie into a backend - from there you will be able to move on and create your original iPhone app!

Let's get started by taking a look at how Firebase works and creating a new Firebase project.

Feedback

If you have feedback on this tutorial or find any mistakes, please open issues on the GitHub Repository.

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