joshdholtz / Notables-Swift

Protocol extensions for common NSNotifications for the lazy (me)

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Notables-Swift

Protocol extensions for common NSNotifications for the lazy (me)

Carthage Compatible

AppNotable

  • Listens for...
    • UIApplicationDidEnterBackgroundNotification
    • UIApplicationWillEnterForegroundNotification
    • UIApplicationDidFinishLaunchingNotification
    • UIApplicationDidBecomeActiveNotification
    • UIApplicationWillResignActiveNotification
    • UIApplicationDidReceiveMemoryWarningNotification
    • UIApplicationWillTerminateNotification

KeyboardNotable

  • Listens for...
    • UIKeyboardWillShowNotification
    • UIKeyboardWillHideNotification
    • UIKeyboardDidShowNotification
    • UIKeyboardDidHideNotification
  • Passes back object with...
    • animationCurve
    • animationDuration
    • frameEnd
    • frameBegin
    • animate with the keyboard animation curves

Carthage

Carthage is a decentralized dependency manager that builds your dependencies and provides you with binary frameworks.

You can install Carthage with Homebrew using the following command:

$ brew update
$ brew install carthage

To integrate Notables into your Xcode project using Carthage, specify it in your Cartfile:

github "joshdholtz/Notables-Swift" "master"

Run carthage to build the framework and drag the built Notables.framework into your Xcode project.

Manually

If you prefer not to use either of the aforementioned dependency managers, you can integrate Notables into your project manually by copying and pasting all the files in the Classes directory.

Quick Usage

class ViewController: UIViewController {
	@IBOutlet weak var bottomConstraint: NSLayoutConstraint!
	override func viewWillAppear(animated: Bool) {
		super.viewWillAppear(animated)
		note_registerForAppEvents()
		note_registerForKeyboardEvents()
	}
	
	override func viewWillDisappear(animated: Bool) {
		note_unregisterForAppEvents()
		note_unregisterForKeyboardEvents()
		super.viewWillDisappear(animated)
	}
}

// MARK: 

extension ViewController: AppNotable {
	func note_appDidEnterBackground() {
		print("Called \(__FUNCTION__)")
	}
	
	func note_appDidBecomeActive() {
		print("Called \(__FUNCTION__)")
	}
}

// MARK: KeyboardNotable

extension ViewController: KeyboardNotable {
	func note_keyboardWillShow(info: KeyboardNotableInfo) {
		print("Called \(__FUNCTION__)")
		
		bottomConstraint.constant += info.frameEnd.height
		info.animate(animations: { () -> Void in
			self.btnSend.layoutIfNeeded()
		}, completion: nil)
	}
	
	func note_keyboardWillHide(info: KeyboardNotableInfo) {
		print("Called \(__FUNCTION__)")
		
		bottomConstraint.constant -= info.frameEnd.height
		info.animate(animations: { () -> Void in
			self.btnSend.layoutIfNeeded()
		}, completion: nil)
	}
	
	func note_keyboardDidShow(info: KeyboardNotableInfo) {
		print("Called \(__FUNCTION__)")
	}
	
	func note_keyboardDidHide(info: KeyboardNotableInfo) {
		print("Called \(__FUNCTION__)")
	}
}

Author

Josh Holtz, me@joshholtz.com, @joshdholtz

License

Notables is available under the MIT license. See the LICENSE file for more info.

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Protocol extensions for common NSNotifications for the lazy (me)

License:MIT License


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