Technical Q&A QA1914

Viewing the interface of your Swift code

Q:  How do I view the interface of my Swift code in Xcode?

问: 怎么在Xcode中查看swift文件的头文件?

A: Xcode generates an interface file that includes all your source code's internal and public declarations when using the Assistant editor button, the Navigate menu, or the Generated Interface feature. 

 

第一种方法:Using the Assistant editor button

1. Select your Swift file in the project navigator.

2. Click the Assistant editor button in the Xcode toolbar as shown in Figure 1.

Figure 1  Viewing the ListItem file in the project navigator. The numbers in this figure correspond to the steps above.

Xcode automatically shows the generated interface for your Swift code in its Assistant editor pane using the Counterparts mode as shown in Figure 2. 

Figure 2  Viewing the interface of ListItem in the Assistant editor pane

第二种方法Using the Navigate menu

1. Select your Swift file in the project navigator.

2. Choose Navigate > Jump to Generated Interface as shown in Figure 3 to view your code's interface.

Figure 3  Select Jump to Generated Interface to view the interface of ListItem. The numbers in this figure correspond to the steps above.

Note: To jump back to your original Swift code, choose Navigate > Jump to Original Source "<your_filename>.swift" as shown in Figure 4.

 

Figure 4  Switch back to the Swift file associated with the ListItem interface

第三种方法Using the Generated Interface feature

1. Select your Swift file in the project navigator.

2. Click the related items button in the editor's jump bar.

3. Xcode displays a contextual menu. Choose Generated Interface as shown in Figure 5 to view your code's interface.

Figure 5  Select Generated Interface to view the interface of ListItem. The numbers in this figure correspond to the steps above.

Note: To go back to your original Swift code, choose Original Source in the above contextual menu as shown in Figure 6.

 

Figure 6  Switch back to the Swift file associated with the ListItem interface

 

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Document Revision History

 

Date	Notes
2016-03-23	New document that describes how to view the interface of your Swift code.

 

 

 

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Copyright © 2016 Apple Inc. All Rights Reserved.  |   | Updated: 2016-03-23

 

 

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