SwiftData setup (modern persistence) in iOS Swift - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to import the framework needed for SwiftData.

iOS Swift

import [1]

Drag options to blanks, or click blank then click option'

ASwiftData

BFoundation

CUIKit

DSwiftUI

Attempts:

3 left

💡 Hint

Common Mistakes

Importing UIKit or SwiftUI instead of SwiftData.

Forgetting to import any framework.

You need to import SwiftData to use the modern persistence features.

2fill in blank

medium

Complete the code to declare a SwiftData model class named 'Note'.

iOS Swift

@Model
class [1] {
  var text: String
  init(text: String) {
    self.text = text
  }
}

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ANoteModel

Bnote

CNote

DNotes

Attempts:

3 left

💡 Hint

Common Mistakes

Using lowercase 'note' for the class name.

Using plural 'Notes' for a single model.

The model class should be named Note with a capital N to follow Swift naming conventions.

3fill in blank

hard

Fix the error in the code to create a SwiftData container in the app struct.

iOS Swift

var body: some Scene {
  WindowGroup {
    ContentView()
      .modelContainer(for: [1].self)
  }
}

Drag options to blanks, or click blank then click option'

Anote

BNote

CNotes

DNoteModel

Attempts:

3 left

💡 Hint

Common Mistakes

Using lowercase or plural names that don't match the model class.

Forgetting to add .self after the model name.

The model container needs the model type Note.self with the exact class name.

4fill in blank

hard

Fill both blanks to declare a SwiftData model with an integer id and a string title.

iOS Swift

@Model
class Task {
  var id: [1]
  var title: [2]
  init(id: Int, title: String) {
    self.id = id
    self.title = title
  }
}

Drag options to blanks, or click blank then click option'

AInt

BString

CDouble

DBool

Attempts:

3 left

💡 Hint

Common Mistakes

Using String for id or Int for title.

Using unsupported types like Double or Bool here.

The id should be an Int and the title a String.

5fill in blank

hard

Fill all three blanks to create a SwiftData model with a UUID id, a string name, and a boolean done flag.

iOS Swift

@Model
class Item {
  var id: [1] = [2]()
  var name: [3]
  var done: Bool = false
  init(name: String) {
    self.name = name
  }
}

Drag options to blanks, or click blank then click option'

AUUID

CString

DInt

Attempts:

3 left

💡 Hint

Common Mistakes

Using Int for id instead of UUID.

Not initializing UUID with UUID().

Using Int for name instead of String.

The id is a UUID initialized with UUID(), and name is a String.