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import UIKit | |
import AVFoundation | |
class ViewController: UIViewController { | |
override func viewDidAppear(_ animated: Bool) { | |
super.viewDidAppear(animated) | |
switch AVCaptureDevice.authorizationStatus(for: .video) { | |
case .notDetermined: |
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import Foundation | |
import CoreMotion | |
class DeviceOrientationHelper { | |
static let shared = DeviceOrientationHelper() // Singleton is recommended because an app should create only a single instance of the CMMotionManager class. | |
private let motionManager: CMMotionManager | |
private let queue: OperationQueue | |
typealias DeviceOrientationHandler = ((_ deviceOrientation: UIDeviceOrientation) -> Void)? |
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extension CGImage { | |
var isDark: Bool { | |
get { | |
guard let imageData = self.dataProvider?.data else { return false } | |
guard let ptr = CFDataGetBytePtr(imageData) else { return false } | |
let length = CFDataGetLength(imageData) | |
let threshold = Int(Double(self.width * self.height) * 0.45) | |
var darkPixels = 0 | |
for i in stride(from: 0, to: length, by: 4) { | |
let r = ptr[i] |
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extension Dictionary { | |
mutating func value(for key: Key, orAdd closure: @autoclosure () -> Value) -> Value { | |
if let value = self[key] { | |
return value | |
} | |
let value = closure() | |
self[key] = value | |
return value | |
} |
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var mediaJSON = { "categories" : [ { "name" : "Movies", | |
"videos" : [ | |
{ "description" : "Big Buck Bunny tells the story of a giant rabbit with a heart bigger than himself. When one sunny day three rodents rudely harass him, something snaps... and the rabbit ain't no bunny anymore! In the typical cartoon tradition he prepares the nasty rodents a comical revenge.\n\nLicensed under the Creative Commons Attribution license\nhttp://www.bigbuckbunny.org", | |
"sources" : [ "http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/BigBuckBunny.mp4" ], | |
"subtitle" : "By Blender Foundation", | |
"thumb" : "images/BigBuckBunny.jpg", | |
"title" : "Big Buck Bunny" | |
}, | |
{ "description" : "The first Blender Open Movie from 2006", | |
"sources" : [ "http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/ElephantsDream.mp4" ], |
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NSURLConnection | NSURLSession | |
------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------- | |
NSURLConnectionDelegate connectionShouldUseCredentialStorage: | | |
------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------- | |
NSURLConnectionDelegate connection:willSendRequestForAuthenticationChallenge: | NSURLSessionDelegate URLSession:didReceiveChallenge:completionHandler: | |
| N |
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ACTION | |
AD_HOC_CODE_SIGNING_ALLOWED | |
ALTERNATE_GROUP | |
ALTERNATE_MODE | |
ALTERNATE_OWNER | |
ALWAYS_SEARCH_USER_PATHS | |
ALWAYS_USE_SEPARATE_HEADERMAPS | |
APPLE_INTERNAL_DEVELOPER_DIR | |
APPLE_INTERNAL_DIR | |
APPLE_INTERNAL_DOCUMENTATION_DIR |
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/* | |
* This work is free. You can redistribute it and/or modify it under the | |
* terms of the Do What The Fuck You Want To Public License, Version 2, | |
* as published by Sam Hocevar. See the COPYING file for more details. | |
*/ | |
/* | |
* Easing Functions - inspired from http://gizma.com/easing/ | |
* only considering the t value for the range [0, 1] => [0, 1] | |
*/ | |
EasingFunctions = { |