Tag: #macos

The order of NSWindow levels is defined by the CGWindowLevelKey constants, with lower numerical values being behind higher ones. The NSWindow.Level enum provides a more limited set of semantic level names, with some levels overlapping. 2020-08-03

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

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

Package a macOS app for distribution outside the Mac App Store by archiving it in Xcode, exporting it with a Developer ID signature, then creating a .dmg disk image. 2017-08-12

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

Xcode uses “teams” to manage developer identities, and revoking a certificate on one device may require regenerating provisioning profiles. 2017-03-03

To submit a macOS app build to iTunes Connect, archive the app in Xcode, enable App Sandbox, then upload the build. 2017-03-02

To fix misconfigured App Icons, create properly-sized PNG files and update the Contents.json file to reference the correct image files. 2017-03-01

A “Hello, world!” program in x86-64 assembly for macOS, using the NASM assembler and system calls for writing to stdout and exiting. 2017-02-20

All system calls on macOS 10.12, categorized by the functionality they provide, such as process management, file operations, memory management, etc. 2017-01-31

To get more screen real-estate, go to System Preferences > Displays, and select “More Space” . 2016-11-18