App icon and launch screen in iOS Swift - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to set the app icon name in the Info.plist file.

iOS Swift

"CFBundleIcons": {"CFBundlePrimaryIcon": {"CFBundleIconName": "[1]"}}

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

ALaunchImage

BAppIcon

CMainIcon

DIconSet

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'LaunchImage' instead of 'AppIcon' causes the app icon not to appear.

Misspelling the icon name in Info.plist.

The app icon name in Info.plist should be set to "AppIcon" to match the asset catalog name.

2fill in blank

medium

Complete the code to set the launch screen storyboard file name in Info.plist.

iOS Swift

"UILaunchStoryboardName": "[1]"

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

ALaunchView

BMain

CLaunchScreen

DSplashScreen

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'Main' instead of 'LaunchScreen' causes the launch screen not to show.

Misspelling the storyboard name in Info.plist.

The launch screen storyboard file is usually named "LaunchScreen" by default.

3fill in blank

hard

Fix the error in the launch screen storyboard reference in Info.plist.

iOS Swift

"UILaunchStoryboardName": "[1]"

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

ALaunchScreen

Blaunchscreen

ClaunchScreen

Dlaunch_screen

Attempts:

3 left

💡 Hint

Common Mistakes

Using lowercase or snake_case causes the launch screen not to load.

Not matching the storyboard file name exactly.

The launch screen storyboard name is case-sensitive and should be exactly "LaunchScreen".

4fill in blank

hard

Fill both blanks to define the app icon sizes and scales in the asset catalog JSON.

iOS Swift

{ "images": [ { "size": "[1]", "scale": "[2]" } ] }

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

A20x20

B2x

C3x

D40x40

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing size and scale values incorrectly.

Using unsupported sizes or scales.

App icons use size "20x20" and scale "2x" for certain device icon sizes.

5fill in blank

hard

Fill all three blanks to create a launch screen label with accessibility in SwiftUI.

iOS Swift

Text("Welcome")
  .font(.largeTitle)
  .accessibilityLabel("[1]")
  .accessibilityHint("[2]")
  .accessibilityAddTraits([3])

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

AWelcome screen title

BShows welcome message on launch

C.isHeader

D.isButton

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong accessibility traits like .isButton for a label.

Not providing accessibility hints.

Accessibility label describes the text, hint explains its purpose, and .isHeader marks it as a header.