├── .gitignore
├── Podfile
├── kaleo.xcodeproj
    ├── project.xcworkspace
    │   └── contents.xcworkspacedata
    └── project.pbxproj
├── README.md
├── kaleo
    ├── kaleo.entitlements
    ├── Assets.xcassets
    │   └── AppIcon.appiconset
    │   │   └── Contents.json
    ├── Info.plist
    ├── Base.lproj
    │   ├── LaunchScreen.storyboard
    │   └── Main.storyboard
    ├── AppDelegate.swift
    └── ViewController.swift
└── kaleo.xcworkspace
    └── contents.xcworkspacedata


/.gitignore:
--------------------------------------------------------------------------------
 1 | .DS_Store
 2 | build/
 3 | Pods/
 4 | Podfile.lock
 5 | SwiftVoiceCallKitQuickstart.xcworkspace
 6 | 
 7 | xcuserdata/
 8 | *.xcuserstate
 9 | .idea/
10 | 


--------------------------------------------------------------------------------
/Podfile:
--------------------------------------------------------------------------------
1 | source 'https://github.com/twilio/cocoapod-specs'
2 | source 'https://github.com/CocoaPods/Specs.git'
3 | 
4 | target 'kaleo' do
5 |   use_frameworks!
6 | 
7 |   pod 'TwilioVoiceClient', '=2.0.0-beta6'
8 | end
9 | 


--------------------------------------------------------------------------------
/kaleo.xcodeproj/project.xcworkspace/contents.xcworkspacedata:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <Workspace
3 |    version = "1.0">
4 |    <FileRef
5 |       location = "self:kaleo.xcodeproj">
6 |    </FileRef>
7 | </Workspace>
8 | 


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
 1 | Kaleo iOS APP
 2 | ===
 3 | 
 4 | Please follow this [instruction](https://www.twilio.com/docs/api/voice-sdk/ios/getting-started) to start the app
 5 | 
 6 | Requirement
 7 | ---
 8 | 
 9 | - Cocoapods 1.0 or later. Run `pod install` to build the app.
10 | - Ngrok


--------------------------------------------------------------------------------
/kaleo/kaleo.entitlements:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
3 | <plist version="1.0">
4 | <dict>
5 | 	<key>aps-environment</key>
6 | 	<string>development</string>
7 | </dict>
8 | </plist>
9 | 


--------------------------------------------------------------------------------
/kaleo.xcworkspace/contents.xcworkspacedata:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <Workspace
 3 |    version = "1.0">
 4 |    <FileRef
 5 |       location = "group:kaleo.xcodeproj">
 6 |    </FileRef>
 7 |    <FileRef
 8 |       location = "group:Pods/Pods.xcodeproj">
 9 |    </FileRef>
10 | </Workspace>
11 | 


--------------------------------------------------------------------------------
/kaleo/Assets.xcassets/AppIcon.appiconset/Contents.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "images" : [
 3 |     {
 4 |       "idiom" : "iphone",
 5 |       "size" : "20x20",
 6 |       "scale" : "2x"
 7 |     },
 8 |     {
 9 |       "idiom" : "iphone",
10 |       "size" : "20x20",
11 |       "scale" : "3x"
12 |     },
13 |     {
14 |       "idiom" : "iphone",
15 |       "size" : "29x29",
16 |       "scale" : "2x"
17 |     },
18 |     {
19 |       "idiom" : "iphone",
20 |       "size" : "29x29",
21 |       "scale" : "3x"
22 |     },
23 |     {
24 |       "idiom" : "iphone",
25 |       "size" : "40x40",
26 |       "scale" : "2x"
27 |     },
28 |     {
29 |       "idiom" : "iphone",
30 |       "size" : "40x40",
31 |       "scale" : "3x"
32 |     },
33 |     {
34 |       "idiom" : "iphone",
35 |       "size" : "60x60",
36 |       "scale" : "2x"
37 |     },
38 |     {
39 |       "idiom" : "iphone",
40 |       "size" : "60x60",
41 |       "scale" : "3x"
42 |     }
43 |   ],
44 |   "info" : {
45 |     "version" : 1,
46 |     "author" : "xcode"
47 |   }
48 | }


--------------------------------------------------------------------------------
/kaleo/Info.plist:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>CFBundleDevelopmentRegion</key>
 6 | 	<string>en</string>
 7 | 	<key>CFBundleExecutable</key>
 8 | 	<string>$(EXECUTABLE_NAME)</string>
 9 | 	<key>CFBundleIdentifier</key>
10 | 	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
11 | 	<key>CFBundleInfoDictionaryVersion</key>
12 | 	<string>6.0</string>
13 | 	<key>CFBundleName</key>
14 | 	<string>$(PRODUCT_NAME)</string>
15 | 	<key>CFBundlePackageType</key>
16 | 	<string>APPL</string>
17 | 	<key>CFBundleShortVersionString</key>
18 | 	<string>1.0</string>
19 | 	<key>CFBundleVersion</key>
20 | 	<string>1</string>
21 | 	<key>LSRequiresIPhoneOS</key>
22 | 	<true/>
23 | 	<key>NSMicrophoneUsageDescription</key>
24 | 	<string>$(EXECUTABLE_NAME) would like to access your microphone</string>
25 | 	<key>UIBackgroundModes</key>
26 | 	<array>
27 | 		<string>audio</string>
28 | 		<string>fetch</string>
29 | 		<string>remote-notification</string>
30 | 		<string>voip</string>
31 | 	</array>
32 | 	<key>UILaunchStoryboardName</key>
33 | 	<string>LaunchScreen</string>
34 | 	<key>UIMainStoryboardFile</key>
35 | 	<string>Main</string>
36 | 	<key>UIRequiredDeviceCapabilities</key>
37 | 	<array>
38 | 		<string>armv7</string>
39 | 	</array>
40 | 	<key>UISupportedInterfaceOrientations</key>
41 | 	<array>
42 | 		<string>UIInterfaceOrientationPortrait</string>
43 | 		<string>UIInterfaceOrientationLandscapeLeft</string>
44 | 		<string>UIInterfaceOrientationLandscapeRight</string>
45 | 	</array>
46 | </dict>
47 | </plist>
48 | 


--------------------------------------------------------------------------------
/kaleo/Base.lproj/LaunchScreen.storyboard:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="11134" systemVersion="15F34" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
 3 |     <dependencies>
 4 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="11106"/>
 5 |         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
 6 |     </dependencies>
 7 |     <scenes>
 8 |         <!--View Controller-->
 9 |         <scene sceneID="EHf-IW-A2E">
10 |             <objects>
11 |                 <viewController id="01J-lp-oVM" sceneMemberID="viewController">
12 |                     <layoutGuides>
13 |                         <viewControllerLayoutGuide type="top" id="Llm-lL-Icb"/>
14 |                         <viewControllerLayoutGuide type="bottom" id="xb3-aO-Qok"/>
15 |                     </layoutGuides>
16 |                     <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
17 |                         <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
18 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
19 |                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
20 |                     </view>
21 |                 </viewController>
22 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
23 |             </objects>
24 |             <point key="canvasLocation" x="53" y="375"/>
25 |         </scene>
26 |     </scenes>
27 | </document>
28 | 


--------------------------------------------------------------------------------
/kaleo/AppDelegate.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | //  AppDelegate.swift
 3 | //  Twilio Voice with CallKit Quickstart - Swift
 4 | //
 5 | //  Copyright © 2016 Twilio, Inc. All rights reserved.
 6 | //
 7 | 
 8 | import UIKit
 9 | import TwilioVoiceClient
10 | 
11 | @UIApplicationMain
12 | class AppDelegate: UIResponder, UIApplicationDelegate {
13 |     
14 |     var window: UIWindow?
15 |     
16 |     func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
17 |         NSLog("Twilio Voice Version: %@", VoiceClient.sharedInstance().version())
18 |         
19 |         return true
20 |     }
21 |     
22 |     func applicationWillResignActive(_ application: UIApplication) {
23 |         // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
24 |         // Use this method to pause ongoing tasks, disable timers, and invalidate graphics rendering callbacks. Games should use this method to pause the game.
25 |     }
26 |     
27 |     func applicationDidEnterBackground(_ application: UIApplication) {
28 |         // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
29 |         // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
30 |     }
31 |     
32 |     func applicationWillEnterForeground(_ application: UIApplication) {
33 |         // Called as part of the transition from the background to the active state; here you can undo many of the changes made on entering the background.
34 |     }
35 |     
36 |     func applicationDidBecomeActive(_ application: UIApplication) {
37 |         // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
38 |     }
39 |     
40 |     func applicationWillTerminate(_ application: UIApplication) {
41 |         // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
42 |     }
43 | }
44 | 
45 | 


--------------------------------------------------------------------------------
/kaleo/Base.lproj/Main.storyboard:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="12118" systemVersion="16C67" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="BYZ-38-t0r">
 3 |     <device id="retina4_7" orientation="portrait">
 4 |         <adaptation id="fullscreen"/>
 5 |     </device>
 6 |     <dependencies>
 7 |         <deployment identifier="iOS"/>
 8 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="12086"/>
 9 |         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
10 |     </dependencies>
11 |     <scenes>
12 |         <!--View Controller-->
13 |         <scene sceneID="tne-QT-ifu">
14 |             <objects>
15 |                 <viewController id="BYZ-38-t0r" customClass="ViewController" customModule="kaleo" customModuleProvider="target" sceneMemberID="viewController">
16 |                     <layoutGuides>
17 |                         <viewControllerLayoutGuide type="top" id="y3c-jy-aDJ"/>
18 |                         <viewControllerLayoutGuide type="bottom" id="wfy-db-euE"/>
19 |                     </layoutGuides>
20 |                     <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
21 |                         <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
22 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
23 |                         <subviews>
24 |                             <button opaque="NO" contentMode="scaleToFill" fixedFrame="YES" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="NH0-qx-YUC">
25 |                                 <rect key="frame" x="16" y="233" width="343" height="80"/>
26 |                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
27 |                                 <color key="backgroundColor" white="0.66666666666666663" alpha="1" colorSpace="calibratedWhite"/>
28 |                                 <fontDescription key="fontDescription" type="system" pointSize="40"/>
29 |                                 <state key="normal" title="Speaker"/>
30 |                                 <connections>
31 |                                     <action selector="speakerOn:" destination="BYZ-38-t0r" eventType="touchUpInside" id="JBZ-uu-bRB"/>
32 |                                 </connections>
33 |                             </button>
34 |                             <button opaque="NO" contentMode="scaleToFill" fixedFrame="YES" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="VQp-1y-wkE">
35 |                                 <rect key="frame" x="16" y="111" width="343" height="80"/>
36 |                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
37 |                                 <color key="backgroundColor" white="0.66666666666666663" alpha="1" colorSpace="calibratedWhite"/>
38 |                                 <fontDescription key="fontDescription" type="system" pointSize="40"/>
39 |                                 <state key="normal" title="Hangup"/>
40 |                                 <connections>
41 |                                     <action selector="hangupCall:" destination="BYZ-38-t0r" eventType="touchUpInside" id="A0w-pl-s1Y"/>
42 |                                 </connections>
43 |                             </button>
44 |                         </subviews>
45 |                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
46 |                     </view>
47 |                     <connections>
48 |                         <outlet property="hangupButton" destination="VQp-1y-wkE" id="pZs-4v-qKQ"/>
49 |                         <outlet property="speakerButton" destination="NH0-qx-YUC" id="Qj9-Ug-Uin"/>
50 |                     </connections>
51 |                 </viewController>
52 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
53 |             </objects>
54 |             <point key="canvasLocation" x="136.80000000000001" y="138.98050974512745"/>
55 |         </scene>
56 |     </scenes>
57 | </document>
58 | 


--------------------------------------------------------------------------------
/kaleo.xcodeproj/project.pbxproj:
--------------------------------------------------------------------------------
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--------------------------------------------------------------------------------
/kaleo/ViewController.swift:
--------------------------------------------------------------------------------
  1 | //
  2 | //  ViewController.swift
  3 | //
  4 | //  Created by Chuong Le on 3/20/17.
  5 | //  Copyright © 2017 Poetic Systems. All rights reserved.
  6 | //
  7 | 
  8 | 
  9 | import UIKit
 10 | import AVFoundation
 11 | import PushKit
 12 | import CallKit
 13 | import TwilioVoiceClient
 14 | 
 15 | let baseURLString = "https://411db595.ngrok.io"
 16 | let accessTokenEndpoint = "/access-token"
 17 | 
 18 | class ViewController: UIViewController, PKPushRegistryDelegate, TVONotificationDelegate, TVOCallDelegate, CXProviderDelegate {
 19 |     
 20 |     @IBOutlet weak var placeCallButton: UIButton!
 21 |     @IBOutlet weak var hangupButton: UIButton!
 22 |     @IBOutlet weak var speakerButton: UIButton!
 23 |     @IBOutlet weak var iconView: UIImageView!
 24 |     
 25 |     // Get Device info
 26 |     var device_uuid:String?
 27 |     
 28 |     var deviceTokenString:String?
 29 |     
 30 |     var voipRegistry:PKPushRegistry
 31 |     
 32 |     var isSpinning: Bool
 33 |     var incomingAlertController: UIAlertController?
 34 |     
 35 |     var callInvite:TVOCallInvite?
 36 |     var call:TVOCall?
 37 |     
 38 |     let callKitProvider:CXProvider
 39 |     let callKitCallController:CXCallController
 40 |     
 41 |     required init?(coder aDecoder: NSCoder) {
 42 |         
 43 |         device_uuid = UIDevice.current.identifierForVendor?.uuidString
 44 |         
 45 |         isSpinning = false
 46 |         // register push notification using PushKit
 47 |         voipRegistry = PKPushRegistry.init(queue: DispatchQueue.main)
 48 |         
 49 |         // The VoiceClient is the entry point for interaction with the Twilio service.
 50 |         // sharedInstance return the shared instance of the VoiceClient
 51 |         // set logging level of SDK
 52 |         VoiceClient.sharedInstance().logLevel = .verbose
 53 |         
 54 |         // A CXProvider​Configuration object controls the native call UI for incoming and outgoing calls,
 55 |         // including a localized name for the provider, the ringtone to be played for incoming calls,
 56 |         // and the icon to be displayed during calls.
 57 |         // A provider configuration can also set the maximum number of call groups and number of calls in a single call group,
 58 |         // determine whether to use emails and/or phone numbers as handles, and specify whether video is supported.
 59 |         let configuration = CXProviderConfiguration(localizedName: "Kaleo")
 60 |         configuration.maximumCallGroups = 1
 61 |         configuration.maximumCallsPerCallGroup = 1
 62 |         if let callKitIcon = UIImage(named: "iconMask80") {
 63 |             configuration.iconTemplateImageData = UIImagePNGRepresentation(callKitIcon)
 64 |         }
 65 |         
 66 |         // A CXProvider object is responsible for reporting out-of-band notifications that occur to the system.
 67 |         // A VoIP app should create only one instance of CXProvider and store it for use globally.
 68 |         callKitProvider = CXProvider(configuration: configuration)
 69 |         
 70 |         // A CXCall​Controller object interacts with calls by performing actions, which are represented by instances of CXCall​Action subclasses.
 71 |         callKitCallController = CXCallController()
 72 |         
 73 |         // http://stackoverflow.com/questions/24036393/fatal-error-use-of-unimplemented-initializer-initcoder-for-class
 74 |         super.init(coder: aDecoder)
 75 |         callKitProvider.setDelegate(self, queue: nil)
 76 |         
 77 |         voipRegistry.delegate = self
 78 |         voipRegistry.desiredPushTypes = Set([PKPushType.voIP])
 79 |     }
 80 |     
 81 |     // override func viewDidLoad() {
 82 |     //     super.viewDidLoad()
 83 |     
 84 |     //     // toggleUIState(isEnabled: true)
 85 |     // }
 86 |     
 87 |     override func didReceiveMemoryWarning() {
 88 |         super.didReceiveMemoryWarning()
 89 |     }
 90 |     
 91 |     // fetching access token via Twilio Rest API
 92 |     func fetchAccessToken() -> String? {
 93 |         // https://ericcerney.com/swift-guard-statement/
 94 |         
 95 | //        guard let accessTokenURL = URL(string: baseURLString + accessTokenEndpoint + "?device_uuid=" + device_uuid!) else {
 96 | //            return nil
 97 | //        }
 98 |         guard let accessTokenURL = URL(string: baseURLString + accessTokenEndpoint) else {
 99 |             return nil
100 |         }
101 |         
102 |         // http://stackoverflow.com/questions/32390611/try-try-try-what-s-the-difference-and-when-to-use-each
103 |         return try? String.init(contentsOf: accessTokenURL, encoding: .utf8)
104 |     }
105 |     
106 |     // func toggleUIState(isEnabled: Bool) {
107 |     //     placeCallButton.isEnabled = isEnabled
108 |     // }
109 |     
110 |     // @IBAction func placeCall(_ sender: UIButton) {
111 |     //     if (self.call != nil && self.call?.state == .connected) {
112 |     //         self.call?.disconnect()
113 |     //         self.toggleUIState(isEnabled: false)
114 |     //     } else {
115 |     //         let uuid = UUID()
116 |     //         let handle = "Voice Bot"
117 |     
118 |     //         performStartCallAction(uuid: uuid, handle: handle)
119 |     //     }
120 |     // }
121 |     
122 |      @IBAction func hangupCall(_ sender: UIButton) {
123 |         if (self.call != nil && self.call?.state == .connected) {
124 |             self.call?.disconnect()
125 |         }
126 |      }
127 |     
128 |     @IBAction func speakerOn(_ sender: UIButton) {
129 |         if (self.call != nil && self.call?.state == .connected) {
130 |             routeAudioToSpeaker()
131 |         }
132 |     }
133 |     
134 |     
135 |     // MARK: PKPushRegistryDelegate
136 |     // A push registry delegate uses the methods of this protocol to react to token invalidation, push credential updates, and received remote pushes.
137 |     // https://developer.apple.com/reference/pushkit/pkpushregistrydelegate
138 |     
139 |     // Notifies the delegate when the push credentials have been updated.
140 |     func pushRegistry(_ registry: PKPushRegistry, didUpdate credentials: PKPushCredentials, forType type: PKPushType) {
141 |         NSLog("pushRegistry:didUpdatePushCredentials:forType:")
142 |         
143 |         if (type != .voIP) {
144 |             return
145 |         }
146 |         
147 |         guard let accessToken = fetchAccessToken() else {
148 |             return
149 |         }
150 |         
151 |         let deviceToken = (credentials.token as NSData).description
152 |         
153 |         VoiceClient.sharedInstance().register(withAccessToken: accessToken, deviceToken: deviceToken) { (error) in
154 |             if (error != nil) {
155 |                 NSLog("An error occurred while registering: \(error?.localizedDescription)")
156 |             }
157 |             else {
158 |                 NSLog("Successfully registered for VoIP push notifications.")
159 |             }
160 |         }
161 |         
162 |         self.deviceTokenString = deviceToken
163 |     }
164 |     
165 |     // Notifies the delegate that a push token has been invalidated.
166 |     func pushRegistry(_ registry: PKPushRegistry, didInvalidatePushTokenForType type: PKPushType) {
167 |         NSLog("pushRegistry:didInvalidatePushTokenForType:")
168 |         
169 |         if (type != .voIP) {
170 |             return
171 |         }
172 |         
173 |         guard let deviceToken = deviceTokenString, let accessToken = fetchAccessToken() else {
174 |             return
175 |         }
176 |         
177 |         VoiceClient.sharedInstance().unregister(withAccessToken: accessToken, deviceToken: deviceToken) { (error) in
178 |             if (error != nil) {
179 |                 NSLog("An error occurred while unregistering: \(error?.localizedDescription)")
180 |             }
181 |             else {
182 |                 NSLog("Successfully unregistered from VoIP push notifications.")
183 |             }
184 |         }
185 |         
186 |         self.deviceTokenString = nil
187 |     }
188 |     
189 |     // Notifies the delegate that a remote push has been received
190 |     func pushRegistry(_ registry: PKPushRegistry, didReceiveIncomingPushWith payload: PKPushPayload, forType type: PKPushType) {
191 |         NSLog("pushRegistry:didReceiveIncomingPushWithPayload:forType:")
192 |         
193 |         if (type == PKPushType.voIP) {
194 |             VoiceClient.sharedInstance().handleNotification(payload.dictionaryPayload, delegate: self)
195 |         }
196 |     }
197 |     
198 |     //http://stackoverflow.com/questions/5325226/what-is-the-difference-between-delegate-and-notification
199 |     
200 |     // MARK: TVONotificaitonDelegate
201 |     
202 |     // Notifies the delegate that an incoming call invite has been received. This comes from Twilio TVONotificaitonDelegate.
203 |     func callInviteReceived(_ callInvite: TVOCallInvite) {
204 |         NSLog("callInviteReceived:")
205 |         
206 |         if (self.callInvite != nil && self.callInvite?.state == .pending) {
207 |             NSLog("Already a pending incoming call invite.");
208 |             NSLog("  >> Ignoring call from %@", callInvite.from);
209 |             return;
210 |         } else if (self.call != nil) {
211 |             NSLog("Already an active call.");
212 |             NSLog("  >> Ignoring call from %@", callInvite.from);
213 |             return;
214 |         }
215 |         
216 |         self.callInvite = callInvite
217 |         
218 |         reportIncomingCall(from: callInvite.from, uuid: callInvite.uuid)
219 |     }
220 |     
221 |     func callInviteCancelled(_ callInvite: TVOCallInvite?) {
222 |         NSLog("callInviteCancelled:")
223 |         
224 |         if let callInvite = callInvite {
225 |             performEndCallAction(uuid: callInvite.uuid)
226 |         }
227 |         
228 |         self.callInvite = nil
229 |     }
230 |     
231 |     func notificationError(_ error: Error) {
232 |         NSLog("notificationError: \(error.localizedDescription)")
233 |     }
234 |     
235 |     
236 |     // MARK: TVOCallDelegate
237 |     func callDidConnect(_ call: TVOCall) {
238 |         NSLog("callDidConnect:")
239 |         
240 |         self.call = call
241 |         
242 |         // self.placeCallButton.setTitle("Hang Up", for: .normal)
243 |         
244 |         // toggleUIState(isEnabled: true)
245 |         // stopSpin()
246 |         // routeAudioToSpeaker()
247 |     }
248 |     
249 |     func callDidDisconnect(_ call: TVOCall) {
250 |         NSLog("callDidDisconnect:")
251 |         
252 |         performEndCallAction(uuid: call.uuid)
253 |         
254 |         self.call = nil
255 |         
256 | //        self.placeCallButton.setTitle("Place Outgoing Call", for: .normal)
257 |         
258 | //        toggleUIState(isEnabled: true)
259 |     }
260 |     
261 |     func call(_ call: TVOCall, didFailWithError error: Error) {
262 |         NSLog("call:didFailWithError: \(error.localizedDescription)")
263 |         
264 |         performEndCallAction(uuid: call.uuid)
265 |         
266 |         self.call = nil
267 | //        toggleUIState(isEnabled: true)
268 | //        stopSpin()
269 |     }
270 |     
271 |     
272 |      // MARK: AVAudioSession
273 |      func routeAudioToSpeaker() {
274 |          do {
275 |              try AVAudioSession.sharedInstance().setCategory(AVAudioSessionCategoryPlayAndRecord, with: .defaultToSpeaker)
276 |          } catch {
277 |              NSLog(error.localizedDescription)
278 |          }
279 |      }
280 |     
281 |     
282 |     // MARK: Icon spinning
283 |     // func startSpin() {
284 |     //     if (isSpinning != true) {
285 |     //         isSpinning = true
286 |     //         spin(options: UIViewAnimationOptions.curveEaseIn)
287 |     //     }
288 |     // }
289 |     
290 |     // func stopSpin() {
291 |     //     isSpinning = false
292 |     // }
293 |     
294 |     // func spin(options: UIViewAnimationOptions) {
295 |     //     UIView.animate(withDuration: 0.5,
296 |     //                    delay: 0.0,
297 |     //                    options: options,
298 |     //                    animations: { [weak iconView] in
299 |     //                     if let iconView = iconView {
300 |     //                         iconView.transform = iconView.transform.rotated(by: CGFloat(M_PI/2))
301 |     //                     }
302 |     //     }) { [weak self] (finished: Bool) in
303 |     //         guard let strongSelf = self else {
304 |     //             return
305 |     //         }
306 |     
307 |     //         if (finished) {
308 |     //             if (strongSelf.isSpinning) {
309 |     //                 strongSelf.spin(options: UIViewAnimationOptions.curveLinear)
310 |     //             } else if (options != UIViewAnimationOptions.curveEaseOut) {
311 |     //                 strongSelf.spin(options: UIViewAnimationOptions.curveEaseOut)
312 |     //             }
313 |     //         }
314 |     //     }
315 |     // }
316 |     
317 |     
318 |     // MARK: CXProviderDelegate
319 |     func providerDidReset(_ provider: CXProvider) {
320 |         NSLog("providerDidReset:")
321 |     }
322 |     
323 |     func providerDidBegin(_ provider: CXProvider) {
324 |         NSLog("providerDidBegin")
325 |     }
326 |     
327 |     func provider(_ provider: CXProvider, didActivate audioSession: AVAudioSession) {
328 |         NSLog("provider:didActivateAudioSession:")
329 |         
330 |         VoiceClient.sharedInstance().startAudioDevice()
331 |     }
332 |     
333 |     func provider(_ provider: CXProvider, didDeactivate audioSession: AVAudioSession) {
334 |         NSLog("provider:didDeactivateAudioSession:")
335 |     }
336 |     
337 |     func provider(_ provider: CXProvider, timedOutPerforming action: CXAction) {
338 |         NSLog("provider:timedOutPerformingAction:")
339 |     }
340 |     
341 |     // func provider(_ provider: CXProvider, perform action: CXStartCallAction) {
342 |     //     NSLog("provider:performStartCallAction:")
343 |     
344 |     //     guard let accessToken = fetchAccessToken() else {
345 |     //         action.fail()
346 |     //         return
347 |     //     }
348 |     
349 |     //     VoiceClient.sharedInstance().configureAudioSession()
350 |     
351 |     //     call = VoiceClient.sharedInstance().call(accessToken, params: [:], delegate: self)
352 |     
353 |     //     guard let call = call else {
354 |     //         NSLog("Failed to start outgoing call")
355 |     //         action.fail()
356 |     //         return
357 |     //     }
358 |     
359 |     //     call.uuid = action.callUUID
360 |     
361 |     //     toggleUIState(isEnabled: false)
362 |     //     startSpin()
363 |     
364 |     //     action.fulfill(withDateStarted: Date())
365 |     // }
366 |     
367 |     func provider(_ provider: CXProvider, perform action: CXAnswerCallAction) {
368 |         NSLog("provider:performAnswerCallAction:")
369 |         
370 |         // RCP: Workaround from https://forums.developer.apple.com/message/169511 suggests configuring audio in the
371 |         //      completion block of the `reportNewIncomingCallWithUUID:update:completion:` method instead of in
372 |         //      `provider:performAnswerCallAction:` per the WWDC examples.
373 |         // VoiceClient.sharedInstance().configureAudioSession()
374 |         
375 |         guard let call = self.callInvite?.accept(with: self) else {
376 |             action.fail()
377 |             return
378 |         }
379 |         
380 |         self.callInvite = nil
381 |         
382 |         call.uuid = action.callUUID
383 |         action.fulfill()
384 |     }
385 |     
386 |     func provider(_ provider: CXProvider, perform action: CXEndCallAction) {
387 |         NSLog("provider:performEndCallAction:")
388 |         
389 |         VoiceClient.sharedInstance().stopAudioDevice()
390 |         
391 |         if (self.callInvite != nil && self.callInvite?.state == .pending) {
392 |             self.callInvite?.reject()
393 |             self.callInvite = nil
394 |         } else if (self.call != nil) {
395 |             self.call?.disconnect()
396 |         }
397 |         
398 |         action.fulfill()
399 |     }
400 |     
401 |     // // MARK: Call Kit Actions
402 |     // func performStartCallAction(uuid: UUID, handle: String) {
403 |     //     let callHandle = CXHandle(type: .generic, value: handle)
404 |     //     let startCallAction = CXStartCallAction(call: uuid, handle: callHandle)
405 |     //     let transaction = CXTransaction(action: startCallAction)
406 |     
407 |     //     callKitCallController.request(transaction)  { error in
408 |     //         if let error = error {
409 |     //             NSLog("StartCallAction transaction request failed: \(error.localizedDescription)")
410 |     //             return
411 |     //         }
412 |     
413 |     //         NSLog("StartCallAction transaction request successful")
414 |     
415 |     //         let callUpdate = CXCallUpdate()
416 |     //         callUpdate.remoteHandle = callHandle
417 |     //         callUpdate.supportsDTMF = true
418 |     //         callUpdate.supportsHolding = false
419 |     //         callUpdate.supportsGrouping = false
420 |     //         callUpdate.supportsUngrouping = false
421 |     //         callUpdate.hasVideo = false
422 |     
423 |     //         self.callKitProvider.reportCall(with: uuid, updated: callUpdate)
424 |     //     }
425 |     // }
426 |     
427 |     func reportIncomingCall(from: String, uuid: UUID) {
428 |         let callHandle = CXHandle(type: .generic, value: from)
429 |         
430 |         let callUpdate = CXCallUpdate()
431 |         callUpdate.remoteHandle = callHandle
432 |         callUpdate.supportsDTMF = true
433 |         callUpdate.supportsHolding = false
434 |         callUpdate.supportsGrouping = false
435 |         callUpdate.supportsUngrouping = false
436 |         callUpdate.hasVideo = false
437 |         
438 |         callKitProvider.reportNewIncomingCall(with: uuid, update: callUpdate) { error in
439 |             if let error = error {
440 |                 NSLog("Failed to report incoming call successfully: \(error.localizedDescription).")
441 |                 return
442 |             }
443 |             
444 |             NSLog("Incoming call successfully reported.")
445 |             
446 |             // RCP: Workaround per https://forums.developer.apple.com/message/169511
447 |             VoiceClient.sharedInstance().configureAudioSession()
448 |         }
449 |     }
450 |     
451 |     func performEndCallAction(uuid: UUID) {
452 |         
453 |         let endCallAction = CXEndCallAction(call: uuid)
454 |         let transaction = CXTransaction(action: endCallAction)
455 |         
456 |         callKitCallController.request(transaction) { error in
457 |             if let error = error {
458 |                 NSLog("EndCallAction transaction request failed: \(error.localizedDescription).")
459 |                 return
460 |             }
461 |             
462 |             NSLog("EndCallAction transaction request successful")
463 |         }
464 |     }
465 | }
466 | 
467 | 


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