Tag: #swift

devices(for:) was deprecated in macOS 10.15: Use AVCaptureDeviceDiscoverySession instead

Use AVCaptureDeviceDiscoverySession instead of the deprecated AVCaptureDevice.devices(for:) to discover video capture devices. 2020-07-31

How to resolve “the app shows no response upon launch” in App Review

To resolve “the app shows no response upon launch” in App Review, identify and handle potential sources of fatal errors, such as uncaught exceptions, force-unwrapping nil values, unsafe downcasts, and out-of-bounds array access. Display a helpful error message instead of crashing. 2020-04-24

How to make a Cocoa application without a .xib file

To create a Cocoa app without a .xib file, remove the NSMainNibFile key from the Info.plist, and replace the @NSApplicationMain annotation on your AppDelegate class with a custom main.swift file that manually sets up the application and its delegate. 2017-03-17

How do I replace target/action with callbacks in Swift?

Use a CallbackWrapper object to associate a closure with an NSControl, setting the target and action properties to enable callback-based event handling. 2016-11-17

How do I serialize JSON in Swift?

Serialize JSON in Swift with JSONSerialization.data(withJSONObject:options:). 2016-11-16

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