Technotes

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Discuss content from Technotes — focused, timely documents from Apple Developer Technical Support that explore a wide range of development topics. This tag is only available to Apple employees.

Posts under Technotes tag

53 Posts

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TN3106: Customizing the appearance of UINavigationBar
Adopt UINavigationBarAppearance for a navigation bar background color that’s consistent on iOS 13 and later. View Technote TN3106 >
Topic: UI Frameworks SubTopic: UIKit Tags:
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825
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Oct ’22
TN3107: Resolving Sign in with Apple response errors
Diagnose errors received by the Sign in with Apple client, or its server infrastructure by identifying the underlying causes of common error codes and explore their potential solutions. View Technote TN3107 >
Topic: Developer Tools & Services SubTopic: General Tags:
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834
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Oct ’22
TN3108: Viewing the interface of your Swift code
Learn how to navigate to the interface file of a Swift implementation file. View Technote TN3108 >
Topic: Programming Languages SubTopic: Swift Tags:
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946
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Oct ’22
TN3110: Resolving generic Xcode archive issue
Identify common configurations that cause a generic Xcode archive. View Technote TN3110 >
Topic: Developer Tools & Services SubTopic: Xcode Tags:
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725
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Oct ’22
TN3115: Bluetooth State Restoration app relaunch rules
Learn about the conditions under which an iOS app will be relaunched by Bluetooth State Restoration. View Technote TN3115 >
Topic: Developer Tools & Services SubTopic: General Tags:
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1k
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Oct ’22
TN3120: Expected use cases for Network Extension packet tunnel providers
Learn the expected use cases for Network Extension packet tunnel providers and about use cases that are not supported. View Technote TN3120 >
Topic: Developer Tools & Services SubTopic: General Tags:
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524
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Oct ’22
TN3121: Selecting a pixel format for an AVCaptureVideoDataOutput
Learn how to choose the best output pixel format for your app. View Technote TN3121 >
Topic: Developer Tools & Services SubTopic: General Tags:
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642
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Oct ’22
TN3122: Receipt validation with the App Store fails with a non-zero error code
Identify common configurations that cause unsuccessful receipt validation with the App Store. View Technote TN3122 >
Topic: Developer Tools & Services SubTopic: General Tags:
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793
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Oct ’22
TN3126: Inside Code Signing: Hashes
Look inside a code signature to see how it uses hashes to protect the code’s executable pages, resources and metadata from tampering. View Technote TN3126 >
Topic: Developer Tools & Services SubTopic: General Tags:
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567
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Oct ’22
TN3127: Inside Code Signing: Requirements
Explore how macOS uses code signing requirements to reason about code identity. View Technote TN3127 >
Topic: Developer Tools & Services SubTopic: General Tags:
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523
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Oct ’22
TN3128: Starting SharePlay without an existing FaceTime call
Use the share sheet or group activity sharing controller to start SharePlay directly from your app without an existing FaceTime call. View Technote TN3128 >
Topic: Developer Tools & Services SubTopic: General Tags:
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852
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Oct ’22
TN3130: Changes to EventKit in macOS Ventura 13
Test your apps against EventKit API changes in macOS Ventura 13. View Technote TN3130 >
Topic: Developer Tools & Services SubTopic: General Tags:
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1.2k
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Oct ’22
TN3132: Changes to EventKit and EventKitUI in iOS 16
Test your apps against EventKit and EventKitUI API changes in iOS 16. View Technote TN3132 >
Topic: Developer Tools & Services SubTopic: General Tags:
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745
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Oct ’22