How to do it...

In order to create an iOS application, open Xcode and follow the given steps: 

  1. Create a new project or open your already created project (Figure 17):
Figure 17: Xcode project opening/creation
  1.  In our case, we're about to start a new project called firebasecookbook. It's going to be based on the Xcode single-view application project template.
In our application--or when it comes to an example provided in this book regarding Firebase and iOS--we will work with Swift instead. It's just a personal preference, but you can use the one that suits you best.
Figure 18: Xcode project creation

Don't forget to copy that Bundle Identifier ...

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