├── BluComm.xcodeproj ├── xcuserdata │ └── Clarence.xcuserdatad │ │ ├── xcdebugger │ │ └── Breakpoints_v2.xcbkptlist │ │ └── xcschemes │ │ ├── xcschememanagement.plist │ │ └── BluComm.xcscheme ├── project.xcworkspace │ ├── contents.xcworkspacedata │ └── xcuserdata │ │ └── clarence.xcuserdatad │ │ └── UserInterfaceState.xcuserstate └── project.pbxproj ├── BluComm ├── BluComm.entitlements ├── Assets.xcassets │ └── AppIcon.appiconset │ │ └── Contents.json ├── Info.plist ├── Base.lproj │ ├── LaunchScreen.storyboard │ └── Main.storyboard ├── BeaconViewController.swift ├── CBTestViewController.swift ├── BeaconRViewController.swift ├── AppDelegate.swift └── MCTestViewController.swift ├── BluCommTests ├── Info.plist └── BluCommTests.swift ├── BluCommUITests ├── Info.plist └── BluCommUITests.swift ├── README.md └── License.md /BluComm.xcodeproj/xcuserdata/Clarence.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist: -------------------------------------------------------------------------------- 1 | 2 | 5 | 6 | -------------------------------------------------------------------------------- /BluComm.xcodeproj/project.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /BluComm.xcodeproj/project.xcworkspace/xcuserdata/clarence.xcuserdatad/UserInterfaceState.xcuserstate: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/clarenceji/BluComm/HEAD/BluComm.xcodeproj/project.xcworkspace/xcuserdata/clarence.xcuserdatad/UserInterfaceState.xcuserstate -------------------------------------------------------------------------------- /BluComm/BluComm.entitlements: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | aps-environment 6 | development 7 | 8 | 9 | -------------------------------------------------------------------------------- /BluCommTests/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | BNDL 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | 1 23 | 24 | 25 | -------------------------------------------------------------------------------- /BluCommUITests/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | BNDL 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | 1 23 | 24 | 25 | -------------------------------------------------------------------------------- /BluComm.xcodeproj/xcuserdata/Clarence.xcuserdatad/xcschemes/xcschememanagement.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | SchemeUserState 6 | 7 | BluComm.xcscheme 8 | 9 | orderHint 10 | 0 11 | 12 | 13 | SuppressBuildableAutocreation 14 | 15 | 112F74991D2D16CA004F1242 16 | 17 | primary 18 | 19 | 20 | 112F74AD1D2D16CA004F1242 21 | 22 | primary 23 | 24 | 25 | 112F74B81D2D16CA004F1242 26 | 27 | primary 28 | 29 | 30 | 31 | 32 | 33 | -------------------------------------------------------------------------------- /BluComm/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 | } -------------------------------------------------------------------------------- /BluCommTests/BluCommTests.swift: -------------------------------------------------------------------------------- 1 | // 2 | // BluCommTests.swift 3 | // BluCommTests 4 | // 5 | // Created by Clarence Ji on 7/6/16. 6 | // Copyright © 2016 Clarence Ji. All rights reserved. 7 | // 8 | 9 | import XCTest 10 | @testable import BluComm 11 | 12 | class BluCommTests: XCTestCase { 13 | 14 | override func setUp() { 15 | super.setUp() 16 | // Put setup code here. This method is called before the invocation of each test method in the class. 17 | } 18 | 19 | override func tearDown() { 20 | // Put teardown code here. This method is called after the invocation of each test method in the class. 21 | super.tearDown() 22 | } 23 | 24 | func testExample() { 25 | // This is an example of a functional test case. 26 | // Use XCTAssert and related functions to verify your tests produce the correct results. 27 | } 28 | 29 | func testPerformanceExample() { 30 | // This is an example of a performance test case. 31 | self.measure { 32 | // Put the code you want to measure the time of here. 33 | } 34 | } 35 | 36 | } 37 | -------------------------------------------------------------------------------- /BluCommUITests/BluCommUITests.swift: -------------------------------------------------------------------------------- 1 | // 2 | // BluCommUITests.swift 3 | // BluCommUITests 4 | // 5 | // Created by Clarence Ji on 7/6/16. 6 | // Copyright © 2016 Clarence Ji. All rights reserved. 7 | // 8 | 9 | import XCTest 10 | 11 | class BluCommUITests: XCTestCase { 12 | 13 | override func setUp() { 14 | super.setUp() 15 | 16 | // Put setup code here. This method is called before the invocation of each test method in the class. 17 | 18 | // In UI tests it is usually best to stop immediately when a failure occurs. 19 | continueAfterFailure = false 20 | // UI tests must launch the application that they test. Doing this in setup will make sure it happens for each test method. 21 | XCUIApplication().launch() 22 | 23 | // In UI tests it’s important to set the initial state - such as interface orientation - required for your tests before they run. The setUp method is a good place to do this. 24 | } 25 | 26 | override func tearDown() { 27 | // Put teardown code here. This method is called after the invocation of each test method in the class. 28 | super.tearDown() 29 | } 30 | 31 | func testExample() { 32 | // Use recording to get started writing UI tests. 33 | // Use XCTAssert and related functions to verify your tests produce the correct results. 34 | } 35 | 36 | } 37 | -------------------------------------------------------------------------------- /BluComm/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | APPL 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | 1 23 | LSRequiresIPhoneOS 24 | 25 | NSBluetoothPeripheralUsageDescription 26 | App requires communication using Bluetooth. 27 | NSLocationAlwaysUsageDescription 28 | BluComm requires access to your phone’s location to notify you when you enter or leave a geofence. 29 | UIBackgroundModes 30 | 31 | bluetooth-central 32 | bluetooth-peripheral 33 | external-accessory 34 | location 35 | 36 | UILaunchStoryboardName 37 | LaunchScreen 38 | UIMainStoryboardFile 39 | Main 40 | UIRequiredDeviceCapabilities 41 | 42 | armv7 43 | 44 | UISupportedInterfaceOrientations 45 | 46 | UIInterfaceOrientationPortrait 47 | 48 | 49 | 50 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # BluComm 2 |

3 | 4 | Experiments on iOS CoreBluetooth, CoreLocation and Multipeer Connectivity APIs. All functions are working properly. Testing requires two or more iOS devices. 5 | 6 | ## Four sections in the test app: 7 | ### CoreBluetooth Test 8 | Use the current device to broadcast as a Bluetooth peripheral device. 9 | 10 | ### Multipeer Connectivity Test 11 | This uses Apple's [MutipeerConnectivity](https://developer.apple.com/reference/multipeerconnectivity) framework. The Multipeer Connectivity framework supports the discovery of services provided by nearby devices and supports communicating with those services through message-based data, streaming data, and resources (such as files). In iOS, the framework uses infrastructure Wi-Fi networks, peer-to-peer Wi-Fi, and Bluetooth personal area networks for the underlying transport. In macOS and tvOS, it uses infrastructure Wi-Fi, peer-to-peer Wi-Fi, and Ethernet. Each `MCSession` supports up to 8 peers, including the local peer. 12 | 13 | ### iBeacon Receiving Test 14 | This test determines the distance between the current device and a Bluetooth peripheral device. It requires two iOS devices, one acting as a Bluetooth peripheral device and the other as the receiving device. 15 | 16 | This class makes use of CBCentralManager (Core Bluetooth). 17 | 18 | ### Virtual iBeacon Test 19 | This test turns the current device into a virtual iBeacon. The virtual iBeacon broadcasts same information setup in the AppDelegate (```UUID```, ```major``` and ```minor``` values). 20 | 21 | This class mainly uses ```CoreBluetooth``` framework, however, constructing the beacon requires ```CoreLocation``` framework. 22 | # 23 | The `AppDelegate` stores all managers, sessions, advertisers and browsers. It has an important role for all the tests above. 24 | -------------------------------------------------------------------------------- /BluComm/Base.lproj/LaunchScreen.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | -------------------------------------------------------------------------------- /BluComm/BeaconViewController.swift: -------------------------------------------------------------------------------- 1 | // 2 | // BeaconViewController.swift 3 | // BluComm 4 | // 5 | // Created by Clarence Ji on 7/7/16. 6 | // Copyright © 2016 Clarence Ji. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | import CoreBluetooth 11 | import CoreLocation 12 | 13 | /** 14 | Turns the current device into a virtual iBeacon. 15 | 16 | The virtual iBeacon broadcasts same information setup in the AppDelegate (```UUID```, ```major``` and ```minor``` values). 17 | 18 | This class mainly uses ```CoreBluetooth``` framework, however, constructing the beacon requires ```CoreLocation``` framework. 19 | */ 20 | class BeaconViewController: UIViewController, CBPeripheralManagerDelegate { 21 | 22 | @IBOutlet var btnStart: UIButton! 23 | 24 | var localBeacon: CLBeaconRegion! 25 | var beaconPeripheralData: NSDictionary! 26 | var peripheralManager: CBPeripheralManager! 27 | 28 | override func viewDidLoad() { 29 | super.viewDidLoad() 30 | } 31 | 32 | @IBAction func btnStartTapped(_ sender: AnyObject) { 33 | 34 | if btnStart.titleLabel?.text == "Start Virtual iBeacon" { 35 | initBeacon() 36 | DispatchQueue.main.async(execute: { 37 | self.btnStart.setTitle("Stop Virtual iBeacon", for: UIControlState()) 38 | }) 39 | } else { 40 | peripheralManager.stopAdvertising() 41 | DispatchQueue.main.async(execute: { 42 | self.btnStart.setTitle("Start Virtual iBeacon", for: UIControlState()) 43 | }) 44 | } 45 | 46 | } 47 | 48 | func peripheralManagerDidUpdateState(_ peripheral: CBPeripheralManager) { 49 | 50 | if peripheral.state == .poweredOn { 51 | print("State: poweredOn") 52 | peripheralManager.startAdvertising(beaconPeripheralData as! [String: AnyObject]!) 53 | } else if peripheral.state == .poweredOff { 54 | print("State: poweredOff") 55 | peripheralManager.stopAdvertising() 56 | } 57 | 58 | } 59 | 60 | 61 | private func initBeacon() { 62 | let localBeaconUUID = "29B74DA3-3F85-4644-9E96-9D5A3FDEB410" 63 | let localBeaconMajor: CLBeaconMajorValue = 1529 64 | let localBeaconMinor: CLBeaconMinorValue = 5830 65 | 66 | let uuid = UUID(uuidString: localBeaconUUID)! 67 | localBeacon = CLBeaconRegion(proximityUUID: uuid, major: localBeaconMajor, minor: localBeaconMinor, identifier: "blucomm") 68 | 69 | beaconPeripheralData = localBeacon.peripheralData(withMeasuredPower: nil) 70 | peripheralManager = CBPeripheralManager(delegate: self, queue: nil, options: nil) 71 | } 72 | 73 | 74 | } 75 | -------------------------------------------------------------------------------- /BluComm/CBTestViewController.swift: -------------------------------------------------------------------------------- 1 | // 2 | // CBTestViewController.swift 3 | // BluComm 4 | // 5 | // Created by Clarence Ji on 7/7/16. 6 | // Copyright © 2016 Clarence Ji. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | import CoreBluetooth 11 | import CoreLocation 12 | 13 | class CBTestViewController: UIViewController, CBPeripheralManagerDelegate { 14 | 15 | @IBOutlet var btnStart: UIButton! 16 | 17 | private let kAdvertisingData: [String: Any] = [ 18 | CBAdvertisementDataServiceUUIDsKey: [CBUUID(nsuuid: UUID(uuidString: "29B74DA3-3F85-4644-9E96-9D5A3FDEB410")!)] 19 | ] 20 | 21 | private var serviceStarted = false 22 | var localBeacon: CLBeaconRegion! 23 | var beaconPeripheralData: NSDictionary! 24 | var peripheralManager: CBPeripheralManager! 25 | 26 | override func viewDidLoad() { 27 | super.viewDidLoad() 28 | } 29 | 30 | private func peripheralManager(_ peripheral: CBPeripheralManager, willRestoreState dict: [String : AnyObject]) { 31 | 32 | } 33 | 34 | func peripheralManagerDidStartAdvertising(_ peripheral: CBPeripheralManager, error: Error?) { 35 | print("Peripheral did start advertising") 36 | if error != nil { 37 | print(error!) 38 | } 39 | } 40 | 41 | func peripheralManagerDidUpdateState(_ peripheral: CBPeripheralManager) { 42 | if #available(iOS 10.0, *) { 43 | print("peripheral did update state: \(peripheral.state.stringValue())") 44 | } else { 45 | print("peripheral did update") 46 | } 47 | } 48 | 49 | @IBAction func btnStartTapped(_ sender: AnyObject) { 50 | 51 | if !serviceStarted { 52 | serviceStarted = true 53 | DispatchQueue.main.async(execute: { 54 | self.btnStart.setTitle("Stop Broadcasting", for: UIControlState()) 55 | }) 56 | 57 | peripheralManager.startAdvertising(kAdvertisingData) 58 | 59 | } else { 60 | serviceStarted = false 61 | DispatchQueue.main.async(execute: { 62 | self.btnStart.setTitle("Start Broadcasting", for: UIControlState()) 63 | }) 64 | 65 | self.peripheralManager.stopAdvertising() 66 | } 67 | 68 | } 69 | 70 | } 71 | 72 | @available(iOS 10.0, *) 73 | extension CBManagerState { 74 | 75 | func stringValue() -> String { 76 | 77 | var string = "" 78 | 79 | switch rawValue { 80 | case 0: string = "unknown" 81 | case 1: string = "resetting" 82 | case 2: string = "unsupported" 83 | case 3: string = "unauthorized" 84 | case 4: string = "poweredOff" 85 | case 5: string = "poweredOn" 86 | default: break 87 | } 88 | 89 | return string 90 | } 91 | 92 | } 93 | -------------------------------------------------------------------------------- /BluComm/BeaconRViewController.swift: -------------------------------------------------------------------------------- 1 | // 2 | // BeaconRViewController.swift 3 | // BluComm 4 | // 5 | // Created by Clarence Ji on 7/7/16. 6 | // Copyright © 2016 Clarence Ji. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | import CoreLocation 11 | import CoreBluetooth 12 | 13 | /** 14 | Determines the distance between the current device and an iBeacon. 15 | 16 | This requires two iOS devices, one acting as a "virtual iBeacon" and the other receiving. 17 | 18 | This class makes use of CBCentralManager (Core Bluetooth) 19 | */ 20 | class BeaconRViewController: UIViewController, CBCentralManagerDelegate { 21 | 22 | @IBOutlet var txtViewLog: UITextView! 23 | 24 | var centralManager: CBCentralManager! 25 | 26 | override func viewDidLoad() { 27 | super.viewDidLoad() 28 | 29 | // Do any additional setup after loading the view. 30 | centralManager = CBCentralManager(delegate: self, queue: nil, options: [ 31 | CBCentralManagerOptionRestoreIdentifierKey: "com.cjlondon.blucomm.cbcentralmanager" 32 | ]) 33 | 34 | 35 | } 36 | 37 | private func centralManager(_ central: CBCentralManager, willRestoreState dict: [String : AnyObject]) { 38 | 39 | } 40 | 41 | func startScanning() { 42 | let uuid = UUID(uuidString: "29B74DA3-3F85-4644-9E96-9D5A3FDEB410")! 43 | 44 | let scanOptions = [ 45 | CBCentralManagerScanOptionAllowDuplicatesKey: true 46 | ] 47 | let services = [CBUUID(nsuuid: uuid)] 48 | 49 | centralManager.scanForPeripherals(withServices: services, options: scanOptions) 50 | } 51 | 52 | func centralManagerDidUpdateState(_ central: CBCentralManager) { 53 | if #available(iOS 10.0, *) { 54 | print("central manager did update state: \(central.state.stringValue())") 55 | if central.state.stringValue() == "poweredOn" { 56 | startScanning() 57 | } 58 | } else { 59 | // Fallback on earlier versions 60 | print("central manager did update state") 61 | if central.state.rawValue == 5 { 62 | startScanning() 63 | } 64 | } 65 | } 66 | 67 | private func centralManager(_ central: CBCentralManager, didDiscover peripheral: CBPeripheral, advertisementData: [String : AnyObject], rssi RSSI: NSNumber) { 68 | addTextToLog(text: "Discovered, RSSI: \(RSSI.intValue)") 69 | } 70 | 71 | private func addTextToLog(text: String) { 72 | 73 | print(text) 74 | DispatchQueue.main.async { 75 | let newString = text + "\n===================\n" + self.txtViewLog.text 76 | self.txtViewLog.text = newString 77 | } 78 | 79 | } 80 | 81 | func centralManager(_ central: CBCentralManager, willRestoreState dict: [String : Any]) { 82 | 83 | } 84 | 85 | } 86 | 87 | extension CLProximity { 88 | 89 | func stringValue() -> String { 90 | switch rawValue { 91 | case 0: return "unknown" 92 | case 1: return "immediate" 93 | case 2: return "near" 94 | case 3: return "far" 95 | default: return "can't determine" 96 | } 97 | } 98 | 99 | } 100 | -------------------------------------------------------------------------------- /BluComm.xcodeproj/xcuserdata/Clarence.xcuserdatad/xcschemes/BluComm.xcscheme: -------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 9 | 15 | 21 | 22 | 23 | 24 | 25 | 30 | 31 | 33 | 39 | 40 | 41 | 43 | 49 | 50 | 51 | 52 | 53 | 59 | 60 | 61 | 62 | 63 | 64 | 74 | 76 | 82 | 83 | 84 | 85 | 86 | 87 | 93 | 95 | 101 | 102 | 103 | 104 | 106 | 107 | 110 | 111 | 112 | -------------------------------------------------------------------------------- /BluComm/AppDelegate.swift: -------------------------------------------------------------------------------- 1 | // 2 | // AppDelegate.swift 3 | // BluComm 4 | // 5 | // Created by Clarence Ji on 7/6/16. 6 | // Copyright © 2016 Clarence Ji. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | import CoreLocation 11 | import MultipeerConnectivity 12 | import CoreBluetooth 13 | 14 | @UIApplicationMain 15 | class AppDelegate: UIResponder, UIApplicationDelegate { 16 | 17 | var window: UIWindow? 18 | 19 | let userDefaults = UserDefaults.standard 20 | var locationManager: CLLocationManager? 21 | 22 | // Variables storing Multipeer Connectivity managers 23 | var backgroundTask: UIBackgroundTaskIdentifier! 24 | var blucommMCAdvertiser: MCNearbyServiceAdvertiser? 25 | var blucommMCBrowser: MCNearbyServiceBrowser? 26 | var blucommMCSession: MCSession? 27 | 28 | var serviceStarted = false 29 | var mcController: MCTestViewController? 30 | 31 | func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey : Any]? = nil) -> Bool { 32 | 33 | startMonitoringBeacons() 34 | 35 | // Setup Local Notification 36 | let notificationCategory:UIMutableUserNotificationCategory = UIMutableUserNotificationCategory() 37 | notificationCategory.identifier = "blucomm.notifications.general" 38 | 39 | // registerting for the notification. 40 | application.registerUserNotificationSettings(UIUserNotificationSettings(types:[.sound, .alert, .badge], categories: nil)) 41 | 42 | return true 43 | } 44 | 45 | func applicationWillResignActive(_ application: UIApplication) { 46 | 47 | } 48 | 49 | func applicationDidEnterBackground(_ application: UIApplication) { 50 | 51 | self.terminateMultipeer(application) 52 | 53 | } 54 | 55 | func applicationWillEnterForeground(_ application: UIApplication) { 56 | // 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. 57 | } 58 | 59 | func applicationDidBecomeActive(_ application: UIApplication) { 60 | // 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. 61 | print("AppDelegate: Resume Multipeer Connectivity now.") 62 | if mcController?.btnStart.titleLabel?.text == "Stop" { 63 | self.blucommMCAdvertiser?.startAdvertisingPeer() 64 | self.blucommMCBrowser?.startBrowsingForPeers() 65 | 66 | self.serviceStarted = true 67 | } 68 | self.backgroundTask = UIBackgroundTaskInvalid 69 | 70 | } 71 | 72 | func applicationWillTerminate(_ application: UIApplication) { 73 | // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:. 74 | print("terminate") 75 | } 76 | 77 | func application(_ application: UIApplication, didReceive notification: UILocalNotification) { 78 | 79 | // If app is not in background, present an alert view stating there's iBeacon found. 80 | if notification.category == "blucomm.ibeacon" { 81 | let currentVC = self.window!.rootViewController! as UIViewController 82 | 83 | let alertView = UIAlertController(title: "iBeacon found!", message: nil, preferredStyle: .alert) 84 | alertView.addAction(UIAlertAction(title: "OK", style: .cancel, handler: nil)) 85 | 86 | currentVC.present(alertView, animated: true, completion: nil) 87 | } 88 | 89 | } 90 | 91 | } 92 | 93 | 94 | // MARK: - Monitor Nearby iBeacons 95 | extension AppDelegate { 96 | 97 | /// Start monitoring nearby beacons with fixed beacon ID 98 | fileprivate func startMonitoringBeacons() { 99 | 100 | // Setup properties of iBeacons to be monitored 101 | let uuidString = "29B74DA3-3F85-4644-9E96-9D5A3FDEB410" 102 | let beaconIdentifier = "blucomm" 103 | let beaconUUID = UUID(uuidString: uuidString) 104 | let beaconRegion:CLBeaconRegion = CLBeaconRegion(proximityUUID: beaconUUID!, 105 | identifier: beaconIdentifier) 106 | 107 | // Setup location manager and request user permission 108 | locationManager = CLLocationManager() 109 | if(locationManager!.responds(to: #selector(CLLocationManager.requestAlwaysAuthorization))) { 110 | locationManager!.requestAlwaysAuthorization() 111 | } 112 | locationManager!.delegate = self 113 | 114 | // Prevent beacon updates from being paused so beacons can still be ranged when not in app 115 | locationManager!.pausesLocationUpdatesAutomatically = false 116 | if #available(iOS 9.0, *) { 117 | locationManager!.allowsBackgroundLocationUpdates = true 118 | } else { 119 | // TODO: Fallback on earlier versions 120 | } 121 | 122 | // Start monitoring 123 | locationManager!.startMonitoring(for: beaconRegion) 124 | locationManager!.startRangingBeacons(in: beaconRegion) 125 | 126 | } 127 | 128 | } 129 | 130 | // MARK: - Multipeer Connectivity Related 131 | extension AppDelegate { 132 | 133 | /// Terminate Multipeer Connectivity **when the app is killed by system** (when in background). 134 | /// 135 | /// - Parameter application: This should be passed from ```applicationDidEnterBackground(_:)``` method 136 | fileprivate func terminateMultipeer(_ application: UIApplication) { 137 | 138 | self.backgroundTask = application.beginBackgroundTask(expirationHandler: { 139 | 140 | print("AppDelegate: Stop Multipeer Connectivity now.") 141 | // Send termination message to peers 142 | self.mcController?.sendMessageToPeers(text: "has left the chat") 143 | // Disconnect from current session 144 | self.blucommMCSession?.disconnect() 145 | // Stop advertising and browsing peers 146 | self.blucommMCAdvertiser?.stopAdvertisingPeer() 147 | self.blucommMCBrowser?.stopBrowsingForPeers() 148 | 149 | self.serviceStarted = false 150 | 151 | application.endBackgroundTask(self.backgroundTask) 152 | self.backgroundTask = UIBackgroundTaskInvalid 153 | 154 | }) 155 | 156 | } 157 | 158 | } 159 | 160 | extension AppDelegate: CLLocationManagerDelegate { 161 | 162 | /// Send a local notification to user 163 | /// 164 | /// - Parameter message: Message to be presented in the notification 165 | fileprivate func sendLocalNotificationWithMessage(message: String!) { 166 | 167 | let notification:UILocalNotification = UILocalNotification() 168 | notification.category = "blucomm.ibeacon" 169 | notification.alertBody = message 170 | notification.soundName = UILocalNotificationDefaultSoundName 171 | UIApplication.shared.scheduleLocalNotification(notification) 172 | 173 | } 174 | 175 | internal func locationManager(_ manager: CLLocationManager, didRangeBeacons beacons: [CLBeacon], in region: CLBeaconRegion) { 176 | 177 | // If there is beacon nearby, send local notification to user every 60 seconds. 178 | if beacons.count > 0 { 179 | 180 | let currentTime = Int(NSDate().timeIntervalSince1970) 181 | 182 | // Get the saved time when last time a (multiple) beacon(s) is/are ranged 183 | let savedTime = userDefaults.integer(forKey: "blucomm.savedtime") 184 | 185 | // If the difference between times is greater than 1 minute, then send local notification 186 | if (currentTime - savedTime) > 60 { 187 | 188 | // Send local notification 189 | sendLocalNotificationWithMessage(message: "BluComm user nearby, open the app for details.") 190 | // Save the current time for next iteration 191 | userDefaults.set(currentTime, forKey: "blucomm.savedtime") 192 | 193 | } 194 | 195 | } 196 | 197 | } 198 | 199 | 200 | } 201 | 202 | // MARK: - Core Bluetooth Central Manager Delegate 203 | extension AppDelegate: CBCentralManagerDelegate { 204 | 205 | @available(iOS 5.0, *) 206 | public func centralManagerDidUpdateState(_ central: CBCentralManager) { 207 | 208 | } 209 | 210 | func centralManager(_ central: CBCentralManager, willRestoreState dict: [String : Any]) { 211 | 212 | } 213 | 214 | } 215 | 216 | -------------------------------------------------------------------------------- /BluComm/MCTestViewController.swift: -------------------------------------------------------------------------------- 1 | // 2 | // ViewController.swift 3 | // BluComm 4 | // 5 | // Created by Clarence Ji on 7/7/16. 6 | // Copyright © 2016 Clarence Ji. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | import MultipeerConnectivity 11 | 12 | class MCTestViewController: UIViewController, MCNearbyServiceBrowserDelegate, MCNearbyServiceAdvertiserDelegate, MCSessionDelegate, UITextFieldDelegate { 13 | 14 | @IBOutlet var txtFieldName: UITextField! 15 | @IBOutlet var txtFieldMsg: UITextField! 16 | @IBOutlet var btnStart: UIButton! 17 | @IBOutlet var btnSend: UIButton! 18 | @IBOutlet var txtViewLog: UITextView! 19 | @IBOutlet var labelConnCount: UILabel! 20 | 21 | private var isAppInBackground = false 22 | 23 | private let kServiceType = "blucomm" 24 | var serviceStarted = (UIApplication.shared.delegate as! AppDelegate).serviceStarted 25 | private let myPeerID: MCPeerID = MCPeerID(displayName: UIDevice.current.name) 26 | var advertiser: MCNearbyServiceAdvertiser! 27 | var browser: MCNearbyServiceBrowser! 28 | 29 | lazy var session: MCSession = { 30 | let session = MCSession(peer: self.myPeerID, securityIdentity: nil, encryptionPreference: MCEncryptionPreference.none) 31 | session.delegate = self 32 | return session 33 | }() 34 | 35 | override func viewDidLoad() { 36 | super.viewDidLoad() 37 | 38 | // App Goes to Background Notification 39 | let notificationCenter = NotificationCenter.default 40 | notificationCenter.addObserver(self, selector: #selector(appMovedToBackground), name: .UIApplicationWillResignActive, object: nil) 41 | notificationCenter.addObserver(self, selector: #selector(appMovedToForeground), name: .UIApplicationWillEnterForeground, object: nil) 42 | 43 | // Do any additional setup after loading the view. 44 | self.txtFieldMsg.delegate = self 45 | self.txtFieldName.delegate = self 46 | 47 | self.txtFieldMsg.addTarget(self, action: #selector(MCTestViewController.textFieldDidChange(_:)), for: .editingChanged) 48 | 49 | let appDelegate = UIApplication.shared.delegate as! AppDelegate 50 | appDelegate.mcController = self 51 | if appDelegate.blucommMCAdvertiser == nil { 52 | 53 | self.advertiser = MCNearbyServiceAdvertiser(peer: myPeerID, discoveryInfo: nil, serviceType: kServiceType) 54 | self.browser = MCNearbyServiceBrowser(peer: myPeerID, serviceType: kServiceType) 55 | self.advertiser.delegate = self 56 | self.browser.delegate = self 57 | 58 | appDelegate.blucommMCAdvertiser = advertiser 59 | appDelegate.blucommMCBrowser = browser 60 | appDelegate.blucommMCSession = session 61 | 62 | } else { 63 | 64 | self.advertiser = appDelegate.blucommMCAdvertiser 65 | self.browser = appDelegate.blucommMCBrowser 66 | if let storedSession = appDelegate.blucommMCSession { 67 | self.session = storedSession 68 | } 69 | 70 | } 71 | 72 | 73 | } 74 | 75 | func textFieldDidChange(_ textField: UITextField) { 76 | 77 | DispatchQueue.main.async(execute: { 78 | self.btnSend.isEnabled = textField.text != "" ? true : false 79 | }) 80 | 81 | } 82 | 83 | func textFieldShouldReturn(_ textField: UITextField) -> Bool { 84 | textField.resignFirstResponder() 85 | return false 86 | } 87 | 88 | func appMovedToBackground() { 89 | self.isAppInBackground = true 90 | } 91 | 92 | func appMovedToForeground() { 93 | self.isAppInBackground = false 94 | } 95 | 96 | // MARK: - Advertiser 97 | @available(iOS 7.0, *) 98 | public func advertiser(_ advertiser: MCNearbyServiceAdvertiser, didReceiveInvitationFromPeer peerID: MCPeerID, withContext context: Data?, invitationHandler: @escaping (Bool, MCSession?) -> Void) { 99 | 100 | addTextToLog(text: "💌 Invitation Received from Peer: \(peerID.displayName)") 101 | 102 | invitationHandler(true, self.session) 103 | 104 | } 105 | 106 | // MARK: - Browser 107 | func browser(_ browser: MCNearbyServiceBrowser, foundPeer peerID: MCPeerID, withDiscoveryInfo info: [String : String]?) { 108 | 109 | addTextToLog(text: "💯 Found Peer: \(peerID.displayName)") 110 | self.btnRefreshTapped(self) 111 | 112 | browser.invitePeer(peerID, to: self.session, withContext: nil, timeout: 10) 113 | 114 | 115 | } 116 | 117 | func browser(_ browser: MCNearbyServiceBrowser, lostPeer peerID: MCPeerID) { 118 | 119 | addTextToLog(text: "☢️ Lost Peer: \(peerID.displayName)") 120 | self.btnRefreshTapped(self) 121 | 122 | } 123 | 124 | // MARK: - Button Actions 125 | 126 | @IBAction func btnStartTapped(_ sender: AnyObject) { 127 | 128 | if !serviceStarted { 129 | serviceStarted = true 130 | advertiser.startAdvertisingPeer() 131 | browser.startBrowsingForPeers() 132 | DispatchQueue.main.async(execute: { 133 | self.btnStart.setTitle("Stop", for: UIControlState()) 134 | }) 135 | } else { 136 | serviceStarted = false 137 | self.sendMessageToPeers(text: "has left the chat.") 138 | session.disconnect() 139 | advertiser.stopAdvertisingPeer() 140 | browser.stopBrowsingForPeers() 141 | 142 | DispatchQueue.main.async(execute: { 143 | self.btnStart.setTitle("Start", for: UIControlState()) 144 | }) 145 | } 146 | 147 | } 148 | 149 | func sendMessageToPeers(text: String) { 150 | 151 | let string = text 152 | let data = string.data(using: .utf8)! 153 | 154 | do { 155 | try session.send(data, toPeers: self.session.connectedPeers, with: .reliable) 156 | addTextToLog(text: "Me: \(string)") 157 | 158 | DispatchQueue.main.async(execute: { 159 | self.txtFieldMsg.text = "" 160 | self.btnSend.isEnabled = false 161 | }) 162 | 163 | } catch { 164 | print(error) 165 | addTextToLog(text: "\(error)") 166 | } 167 | 168 | } 169 | 170 | @IBAction func btnSendTapped(_ sender: AnyObject) { 171 | 172 | if txtFieldMsg.text != "" { 173 | self.sendMessageToPeers(text: txtFieldMsg.text!) 174 | } 175 | 176 | } 177 | 178 | @IBAction func btnRefreshTapped(_ sender: AnyObject) { 179 | let count = self.session.connectedPeers.count 180 | DispatchQueue.main.async { 181 | self.labelConnCount.text = "Connected: \(count)" 182 | } 183 | addTextToLog(text: String(describing: session.connectedPeers)) 184 | } 185 | 186 | private func addTextToLog(text: String) { 187 | 188 | print(text) 189 | DispatchQueue.main.async { 190 | let newString = text + "\n===================\n" + self.txtViewLog.text 191 | self.txtViewLog.text = newString 192 | } 193 | 194 | } 195 | 196 | 197 | // MARK: - Session Delegate 198 | func session(_ session: MCSession, peer peerID: MCPeerID, didChange state: MCSessionState) { 199 | addTextToLog(text: "Peer \(peerID.displayName) status changed: \(state.rawValue)") 200 | self.btnRefreshTapped(self) 201 | if state.rawValue == 2 { 202 | // Connected 203 | addTextToLog(text: "\(peerID.displayName) says hello!") 204 | } 205 | } 206 | 207 | 208 | // Received data from remote peer. 209 | func session(_ session: MCSession, didReceive data: Data, fromPeer peerID: MCPeerID) { 210 | 211 | let string = String(data: data, encoding: .utf8) 212 | print("Did receive data: \(string!)") 213 | addTextToLog(text: peerID.displayName + ": " + string!) 214 | 215 | if self.isAppInBackground { 216 | 217 | print("blucomm.multipeerconn notification") 218 | let notification = UILocalNotification() 219 | notification.category = "blucomm.multipeerconn" 220 | notification.alertBody = peerID.displayName + ": " + string! 221 | notification.soundName = UILocalNotificationDefaultSoundName 222 | UIApplication.shared.scheduleLocalNotification(notification) 223 | 224 | } 225 | 226 | } 227 | 228 | 229 | // Received a byte stream from remote peer. 230 | func session(_ session: MCSession, didReceive stream: InputStream, withName streamName: String, fromPeer peerID: MCPeerID) { 231 | 232 | } 233 | 234 | 235 | // Start receiving a resource from remote peer. 236 | func session(_ session: MCSession, didStartReceivingResourceWithName resourceName: String, fromPeer peerID: MCPeerID, with progress: Progress) { 237 | 238 | } 239 | 240 | 241 | // Finished receiving a resource from remote peer and saved the content 242 | // in a temporary location - the app is responsible for moving the file 243 | // to a permanent location within its sandbox. 244 | func session(_ session: MCSession, didFinishReceivingResourceWithName resourceName: String, fromPeer peerID: MCPeerID, at localURL: URL, withError error: Error?) { 245 | 246 | } 247 | 248 | 249 | } 250 | -------------------------------------------------------------------------------- /BluComm.xcodeproj/project.pbxproj: -------------------------------------------------------------------------------- 1 | // !$*UTF8*$! 2 | { 3 | archiveVersion = 1; 4 | classes = { 5 | }; 6 | objectVersion = 46; 7 | objects = { 8 | 9 | /* Begin PBXBuildFile section */ 10 | 112F749E1D2D16CA004F1242 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 112F749D1D2D16CA004F1242 /* AppDelegate.swift */; }; 11 | 112F74A31D2D16CA004F1242 /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 112F74A11D2D16CA004F1242 /* Main.storyboard */; }; 12 | 112F74A51D2D16CA004F1242 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 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XCConfigurationList section */ 556 | }; 557 | rootObject = 112F74921D2D16CA004F1242 /* Project object */; 558 | } 559 | -------------------------------------------------------------------------------- /BluComm/Base.lproj/Main.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 42 | 51 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 100 | 101 | 102 | 103 | 104 | 105 | 106 | 107 | 108 | 109 | 110 | 111 | 112 | 113 | 114 | 115 | 116 | 117 | 118 | 119 | 120 | 121 | 122 | 123 | 124 | 125 | 126 | 127 | 128 | 129 | 130 | 131 | 132 | 133 | 134 | 135 | 143 | 144 | 145 | 146 | 147 | 148 | 149 | 150 | 151 | 152 | 153 | 154 | 155 | 156 | 157 | 158 | 159 | 160 | 161 | 162 | 163 | 164 | 165 | 166 | 167 | 168 | 169 | 170 | 171 | 172 | 173 | 174 | 175 | 176 | 177 | 178 | 179 | 180 | 181 | 182 | 183 | 184 | 185 | 186 | 187 | 188 | 189 | 190 | 191 | 192 | 193 | 194 | 195 | 196 | 197 | 198 | 199 | 200 | 201 | 202 | 203 | 204 | 205 | 206 | 207 | 208 | 209 | 210 | 211 | 212 | 213 | 214 | 215 | 216 | 217 | 218 | 219 | 220 | 221 | 222 | 223 | 224 | 225 | 226 | 227 | 228 | 229 | 230 | 231 | 232 | 233 | 234 | 235 | 236 | 237 | 238 | 239 | 246 | 247 | 248 | 249 | 250 | 251 | 252 | 253 | 254 | 255 | 256 | 257 | 258 | 259 | 260 | 261 | 262 | 263 | 264 | 265 | 266 | 267 | 268 | 269 | 270 | 271 | 272 | 273 | -------------------------------------------------------------------------------- /License.md: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy 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No Surrender of Others' Freedom. 541 | 542 | If conditions are imposed on you (whether by court order, agreement or 543 | otherwise) that contradict the conditions of this License, they do not 544 | excuse you from the conditions of this License. If you cannot convey a 545 | covered work so as to satisfy simultaneously your obligations under this 546 | License and any other pertinent obligations, then as a consequence you may 547 | not convey it at all. For example, if you agree to terms that obligate you 548 | to collect a royalty for further conveying from those to whom you convey 549 | the Program, the only way you could satisfy both those terms and this 550 | License would be to refrain entirely from conveying the Program. 551 | 552 | 13. Use with the GNU Affero General Public License. 553 | 554 | Notwithstanding any other provision of this License, you have 555 | permission to link or combine any covered work with a work licensed 556 | under version 3 of the GNU Affero General Public License into a single 557 | combined work, and to convey the resulting work. The terms of this 558 | License will continue to apply to the part which is the covered work, 559 | but the special requirements of the GNU Affero General Public License, 560 | section 13, concerning interaction through a network will apply to the 561 | combination as such. 562 | 563 | 14. Revised Versions of this License. 564 | 565 | The Free Software Foundation may publish revised and/or new versions of 566 | the GNU General Public License from time to time. Such new versions will 567 | be similar in spirit to the present version, but may differ in detail to 568 | address new problems or concerns. 569 | 570 | Each version is given a distinguishing version number. If the 571 | Program specifies that a certain numbered version of the GNU General 572 | Public License "or any later version" applies to it, you have the 573 | option of following the terms and conditions either of that numbered 574 | version or of any later version published by the Free Software 575 | Foundation. If the Program does not specify a version number of the 576 | GNU General Public License, you may choose any version ever published 577 | by the Free Software Foundation. 578 | 579 | If the Program specifies that a proxy can decide which future 580 | versions of the GNU General Public License can be used, that proxy's 581 | public statement of acceptance of a version permanently authorizes you 582 | to choose that version for the Program. 583 | 584 | Later license versions may give you additional or different 585 | permissions. However, no additional obligations are imposed on any 586 | author or copyright holder as a result of your choosing to follow a 587 | later version. 588 | 589 | 15. Disclaimer of Warranty. 590 | 591 | THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY 592 | APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT 593 | HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY 594 | OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, 595 | THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 596 | PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM 597 | IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF 598 | ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 599 | 600 | 16. Limitation of Liability. 601 | 602 | IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING 603 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS 604 | THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY 605 | GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE 606 | USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF 607 | DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD 608 | PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), 609 | EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF 610 | SUCH DAMAGES. 611 | 612 | 17. Interpretation of Sections 15 and 16. 613 | 614 | If the disclaimer of warranty and limitation of liability provided 615 | above cannot be given local legal effect according to their terms, 616 | reviewing courts shall apply local law that most closely approximates 617 | an absolute waiver of all civil liability in connection with the 618 | Program, unless a warranty or assumption of liability accompanies a 619 | copy of the Program in return for a fee. 620 | 621 | END OF TERMS AND CONDITIONS 622 | 623 | How to Apply These Terms to Your New Programs 624 | 625 | If you develop a new program, and you want it to be of the greatest 626 | possible use to the public, the best way to achieve this is to make it 627 | free software which everyone can redistribute and change under these terms. 628 | 629 | To do so, attach the following notices to the program. It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | {one line to give the program's name and a brief idea of what it does.} 635 | Copyright (C) {year} {name of author} 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | {project} Copyright (C) {year} {fullname} 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | --------------------------------------------------------------------------------