Take this quiz to test your knowledge of the lifecycle of SwiftUI apps and how to detect and respond to changes in the lifecycle state.
1.
Which of the following states is detected by the ScenePhase property when the scene is visible and interactive?
2.
What is the benefit of using the 'task' modifier with an optional priority setting?
3.
What does the 'onChange' modifier do when attached to a SwiftUI view's property?
4.
What happens when the 'task' modifier is used with a view?
5.
When should you use the 'onDisappear' modifier in a SwiftUI view?
6.
Which of the following is NOT a function of the 'onAppear' modifier in SwiftUI?
7.
How can asynchronous tasks be launched in a SwiftUI view?
8.
Which state does the ScenePhase property detect when a scene is in the foreground but not interactive?
9.
What happens when the 'onAppear' modifier is triggered in SwiftUI?
10.
Which modifier is useful for detecting changes in the environment state of a SwiftUI app?
11.
What does the 'onChange' modifier do when used with the ScenePhase property?
12.
What is the role of the '@Environment' property in SwiftUI when used with ScenePhase?
13.
Which SwiftUI modifier allows you to launch a task with a specific priority?
14.
What is one of the primary benefits of using SwiftUI for handling app lifecycle events?
15.
When is the 'task' modifier executed in SwiftUI?
16.
Which lifecycle event modifier in SwiftUI should be used to detect when a view is removed from the screen?
17.
How can you handle lifecycle changes when a SwiftUI app moves between active, inactive, and background states?
18.
What modifier can be used to perform an action whenever the state of a scene changes?
19.
Which of the following actions is performed by the 'onAppear' modifier?
20.
How can an app detect when it moves between foreground and background modes using SwiftUI?
21.
Which of the following is NOT a state that can be detected using the ScenePhase property?
22.
What is the ScenePhase property used for in SwiftUI?
23.
How does the 'onChange' modifier function in SwiftUI?
24.
Which SwiftUI modifier should be used to perform an action when a view appears?
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