├── .gitignore ├── .travis.yml ├── MQTTExample.xcodeproj ├── project.pbxproj ├── project.xcworkspace │ └── contents.xcworkspacedata ├── xcshareddata │ └── xcschemes │ │ └── MQTTExample.xcscheme └── xcuserdata │ └── jmesnil.xcuserdatad │ └── xcschemes │ └── xcschememanagement.plist ├── MQTTExample ├── Base.lproj │ └── Main.storyboard ├── Images.xcassets │ ├── AppIcon.appiconset │ │ └── Contents.json │ └── LaunchImage.launchimage │ │ └── Contents.json ├── MQTTAppDelegate.h ├── MQTTAppDelegate.m ├── MQTTExample-Info.plist ├── MQTTExample-Prefix.pch ├── MQTTViewController.h ├── MQTTViewController.m ├── en.lproj │ └── InfoPlist.strings └── main.m ├── MQTTExampleTests ├── MQTTExampleTests-Info.plist ├── MQTTExampleTests.m └── en.lproj │ └── InfoPlist.strings ├── Podfile ├── README.md └── screenshot.png /.gitignore: -------------------------------------------------------------------------------- 1 | # Xcode 2 | .DS_Store 3 | build 4 | */build/* 5 | *.pbxuser 6 | !default.pbxuser 7 | *.mode1v3 8 | !default.mode1v3 9 | *.mode2v3 10 | !default.mode2v3 11 | *.perspectivev3 12 | !default.perspectivev3 13 | *.xcworkspace 14 | !default.xcworkspace 15 | xcuserdata 16 | profile 17 | *.moved-aside 18 | DerivedData 19 | .idea/ 20 | *.hmap 21 | *.xccheckout 22 | 23 | #CocoaPods 24 | Podfile.lock 25 | Pods/ 26 | -------------------------------------------------------------------------------- /.travis.yml: -------------------------------------------------------------------------------- 1 | language: objective-c 2 | 3 | before_install: 4 | - gem install cocoapods 5 | - brew update 6 | - brew uninstall xctool && brew install xctool 7 | 8 | script: 9 | - xctool -workspace MQTTExample.xcworkspace -scheme MQTTExample -sdk iphonesimulator -configuration Release build 10 | 11 | -------------------------------------------------------------------------------- /MQTTExample.xcodeproj/project.pbxproj: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 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Run 'pod install' or update your CocoaPods installation. 1062 | EOM 1063 | exit 1 1064 | fi 1065 | 1066 | showEnvVarsInLog 1067 | 0 1068 | 1069 | F7CD9C58F3014E348414E982 1070 | 1071 | includeInIndex 1072 | 1 1073 | isa 1074 | PBXFileReference 1075 | lastKnownFileType 1076 | text.xcconfig 1077 | name 1078 | Pods.xcconfig 1079 | path 1080 | Pods/Pods.xcconfig 1081 | sourceTree 1082 | <group> 1083 | 1084 | 1085 | rootObject 1086 | 93F45D6F18AFB6BC00E26E29 1087 | 1088 | 1089 | -------------------------------------------------------------------------------- /MQTTExample.xcodeproj/project.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /MQTTExample.xcodeproj/xcshareddata/xcschemes/MQTTExample.xcscheme: -------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 9 | 15 | 21 | 22 | 23 | 24 | 25 | 30 | 31 | 33 | 39 | 40 | 41 | 42 | 43 | 49 | 50 | 51 | 52 | 61 | 62 | 68 | 69 | 70 | 71 | 72 | 73 | 79 | 80 | 86 | 87 | 88 | 89 | 91 | 92 | 95 | 96 | 97 | -------------------------------------------------------------------------------- /MQTTExample.xcodeproj/xcuserdata/jmesnil.xcuserdatad/xcschemes/xcschememanagement.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | SchemeUserState 6 | 7 | MQTTExample.xcscheme_^#shared#^_ 8 | 9 | orderHint 10 | 0 11 | 12 | 13 | SuppressBuildableAutocreation 14 | 15 | 93F45D7618AFB6BC00E26E29 16 | 17 | primary 18 | 19 | 20 | 93F45D9718AFB6BC00E26E29 21 | 22 | primary 23 | 24 | 25 | 26 | 27 | 28 | -------------------------------------------------------------------------------- /MQTTExample/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 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | The state of the switch above is updated based on the messages received from on the MQTT broker at iot.eclipse.org on the topic MQTTExample/LED 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 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 | -------------------------------------------------------------------------------- /MQTTExample/Images.xcassets/AppIcon.appiconset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "idiom" : "iphone", 5 | "size" : "29x29", 6 | "scale" : "2x" 7 | }, 8 | { 9 | "idiom" : "iphone", 10 | "size" : "40x40", 11 | "scale" : "2x" 12 | }, 13 | { 14 | "idiom" : "iphone", 15 | "size" : "60x60", 16 | "scale" : "2x" 17 | } 18 | ], 19 | "info" : { 20 | "version" : 1, 21 | "author" : "xcode" 22 | } 23 | } -------------------------------------------------------------------------------- /MQTTExample/Images.xcassets/LaunchImage.launchimage/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "orientation" : "portrait", 5 | "idiom" : "iphone", 6 | "extent" : "full-screen", 7 | "minimum-system-version" : "7.0", 8 | "scale" : "2x" 9 | }, 10 | { 11 | "orientation" : "portrait", 12 | "idiom" : "iphone", 13 | "subtype" : "retina4", 14 | "extent" : "full-screen", 15 | "minimum-system-version" : "7.0", 16 | "scale" : "2x" 17 | } 18 | ], 19 | "info" : { 20 | "version" : 1, 21 | "author" : "xcode" 22 | } 23 | } -------------------------------------------------------------------------------- /MQTTExample/MQTTAppDelegate.h: -------------------------------------------------------------------------------- 1 | // 2 | // MQTTAppDelegate.h 3 | // MQTTExample 4 | // 5 | // Created by Jeff Mesnil on 15/02/2014. 6 | // Copyright (c) 2014 jmesnil.net. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface MQTTAppDelegate : UIResponder 12 | 13 | @property (strong, nonatomic) UIWindow *window; 14 | 15 | @end 16 | -------------------------------------------------------------------------------- /MQTTExample/MQTTAppDelegate.m: -------------------------------------------------------------------------------- 1 | // 2 | // MQTTAppDelegate.m 3 | // MQTTExample 4 | // 5 | // Created by Jeff Mesnil on 15/02/2014. 6 | // Copyright (c) 2014 jmesnil.net. All rights reserved. 7 | // 8 | 9 | #import "MQTTAppDelegate.h" 10 | 11 | @implementation MQTTAppDelegate 12 | 13 | - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions 14 | { 15 | // Override point for customization after application launch. 16 | return YES; 17 | } 18 | 19 | - (void)applicationWillResignActive:(UIApplication *)application 20 | { 21 | // 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. 22 | // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game. 23 | } 24 | 25 | - (void)applicationDidEnterBackground:(UIApplication *)application 26 | { 27 | // 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. 28 | // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits. 29 | } 30 | 31 | - (void)applicationWillEnterForeground:(UIApplication *)application 32 | { 33 | // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background. 34 | } 35 | 36 | - (void)applicationDidBecomeActive:(UIApplication *)application 37 | { 38 | // 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. 39 | } 40 | 41 | - (void)applicationWillTerminate:(UIApplication *)application 42 | { 43 | // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:. 44 | } 45 | 46 | @end 47 | -------------------------------------------------------------------------------- /MQTTExample/MQTTExample-Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleDisplayName 8 | ${PRODUCT_NAME} 9 | CFBundleExecutable 10 | ${EXECUTABLE_NAME} 11 | CFBundleIdentifier 12 | net.jmesnil.${PRODUCT_NAME:rfc1034identifier} 13 | CFBundleInfoDictionaryVersion 14 | 6.0 15 | CFBundleName 16 | ${PRODUCT_NAME} 17 | CFBundlePackageType 18 | APPL 19 | CFBundleShortVersionString 20 | 1.0 21 | CFBundleSignature 22 | ???? 23 | CFBundleVersion 24 | 1.0 25 | LSRequiresIPhoneOS 26 | 27 | UIMainStoryboardFile 28 | Main 29 | UIRequiredDeviceCapabilities 30 | 31 | armv7 32 | 33 | UISupportedInterfaceOrientations 34 | 35 | UIInterfaceOrientationPortrait 36 | UIInterfaceOrientationLandscapeLeft 37 | UIInterfaceOrientationLandscapeRight 38 | 39 | 40 | 41 | -------------------------------------------------------------------------------- /MQTTExample/MQTTExample-Prefix.pch: -------------------------------------------------------------------------------- 1 | // 2 | // Prefix header 3 | // 4 | // The contents of this file are implicitly included at the beginning of every source file. 5 | // 6 | 7 | #import 8 | 9 | #ifndef __IPHONE_5_0 10 | #warning "This project uses features only available in iOS SDK 5.0 and later." 11 | #endif 12 | 13 | #ifdef __OBJC__ 14 | #import 15 | #import 16 | #endif 17 | -------------------------------------------------------------------------------- /MQTTExample/MQTTViewController.h: -------------------------------------------------------------------------------- 1 | // 2 | // MQTTViewController.h 3 | // MQTTExample 4 | // 5 | // Created by Jeff Mesnil on 15/02/2014. 6 | // Copyright (c) 2014 jmesnil.net. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface MQTTViewController : UIViewController 12 | 13 | @end 14 | -------------------------------------------------------------------------------- /MQTTExample/MQTTViewController.m: -------------------------------------------------------------------------------- 1 | // 2 | // MQTTViewController.m 3 | // MQTTExample 4 | // 5 | // Created by Jeff Mesnil on 15/02/2014. 6 | // Copyright (c) 2014 jmesnil.net. All rights reserved. 7 | // 8 | 9 | #import "MQTTViewController.h" 10 | #import 11 | 12 | #define kMQTTServerHost @"iot.eclipse.org" 13 | #define kTopic @"MQTTExample/LED" 14 | 15 | @interface MQTTViewController () 16 | 17 | // this UISwitch will be used to display the status received from the topic. 18 | @property (weak, nonatomic) IBOutlet UISwitch *subscribedSwitch; 19 | 20 | // create a property for the MQTTClient that is used to send and receive the message 21 | @property (nonatomic, strong) MQTTClient *client; 22 | 23 | @end 24 | 25 | @implementation MQTTViewController 26 | 27 | - (void)viewDidLoad 28 | { 29 | [super viewDidLoad]; 30 | 31 | // create the MQTT client with an unique identifier 32 | NSString *clientID = [UIDevice currentDevice].identifierForVendor.UUIDString; 33 | self.client = [[MQTTClient alloc] initWithClientId:clientID]; 34 | 35 | // keep a reference on the switch to avoid having a reference to self in the 36 | // block below (retain/release cycle, blah blah blah) 37 | UISwitch *subSwitch = self.subscribedSwitch; 38 | 39 | // define the handler that will be called when MQTT messages are received by the client 40 | [self.client setMessageHandler:^(MQTTMessage *message) { 41 | // extract the switch status from the message payload 42 | BOOL on = [message.payloadString boolValue]; 43 | 44 | // the MQTTClientDelegate methods are called from a GCD queue. 45 | // Any update to the UI must be done on the main queue 46 | dispatch_async(dispatch_get_main_queue(), ^{ 47 | [subSwitch setOn:on animated:YES]; 48 | }); 49 | }]; 50 | 51 | // connect the MQTT client 52 | [self.client connectToHost:kMQTTServerHost completionHandler:^(MQTTConnectionReturnCode code) { 53 | if (code == ConnectionAccepted) { 54 | // The client is connected when this completion handler is called 55 | NSLog(@"client is connected with id %@", clientID); 56 | // Subscribe to the topic 57 | [self.client subscribe:kTopic withCompletionHandler:^(NSArray *grantedQos) { 58 | // The client is effectively subscribed to the topic when this completion handler is called 59 | NSLog(@"subscribed to topic %@", kTopic); 60 | }]; 61 | } 62 | }]; 63 | } 64 | 65 | - (void)dealloc 66 | { 67 | // disconnect the MQTT client 68 | [self.client disconnectWithCompletionHandler:^(NSUInteger code) { 69 | // The client is disconnected when this completion handler is called 70 | NSLog(@"MQTT is disconnected"); 71 | }]; 72 | } 73 | 74 | #pragma mark - IBActions 75 | 76 | // This method is called when the "published LED" switch status changes 77 | - (IBAction)switchUpdated:(id)sender { 78 | BOOL on = [sender isOn]; 79 | NSString *payload = [NSNumber numberWithBool:on].stringValue; 80 | 81 | // use the MQTT client to send a message with the switch status to the topic 82 | [self.client publishString:payload 83 | toTopic:kTopic 84 | withQos:AtMostOnce 85 | retain:YES 86 | completionHandler:nil]; 87 | // we passed nil to the completionHandler as we are not interested to know 88 | // when the message was effectively sent 89 | } 90 | 91 | @end 92 | -------------------------------------------------------------------------------- /MQTTExample/en.lproj/InfoPlist.strings: -------------------------------------------------------------------------------- 1 | /* Localized versions of Info.plist keys */ 2 | 3 | -------------------------------------------------------------------------------- /MQTTExample/main.m: -------------------------------------------------------------------------------- 1 | // 2 | // main.m 3 | // MQTTExample 4 | // 5 | // Created by Jeff Mesnil on 15/02/2014. 6 | // Copyright (c) 2014 jmesnil.net. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | #import "MQTTAppDelegate.h" 12 | 13 | int main(int argc, char * argv[]) 14 | { 15 | @autoreleasepool { 16 | return UIApplicationMain(argc, argv, nil, NSStringFromClass([MQTTAppDelegate class])); 17 | } 18 | } 19 | -------------------------------------------------------------------------------- /MQTTExampleTests/MQTTExampleTests-Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleExecutable 8 | ${EXECUTABLE_NAME} 9 | CFBundleIdentifier 10 | net.jmesnil.${PRODUCT_NAME:rfc1034identifier} 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundlePackageType 14 | BNDL 15 | CFBundleShortVersionString 16 | 1.0 17 | CFBundleSignature 18 | ???? 19 | CFBundleVersion 20 | 1 21 | 22 | 23 | -------------------------------------------------------------------------------- /MQTTExampleTests/MQTTExampleTests.m: -------------------------------------------------------------------------------- 1 | // 2 | // MQTTExampleTests.m 3 | // MQTTExampleTests 4 | // 5 | // Created by Jeff Mesnil on 15/02/2014. 6 | // Copyright (c) 2014 jmesnil.net. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface MQTTExampleTests : XCTestCase 12 | 13 | @end 14 | 15 | @implementation MQTTExampleTests 16 | 17 | - (void)setUp 18 | { 19 | [super setUp]; 20 | // Put setup code here. This method is called before the invocation of each test method in the class. 21 | } 22 | 23 | - (void)tearDown 24 | { 25 | // Put teardown code here. This method is called after the invocation of each test method in the class. 26 | [super tearDown]; 27 | } 28 | 29 | - (void)testExample 30 | { 31 | XCTFail(@"No implementation for \"%s\"", __PRETTY_FUNCTION__); 32 | } 33 | 34 | @end 35 | -------------------------------------------------------------------------------- /MQTTExampleTests/en.lproj/InfoPlist.strings: -------------------------------------------------------------------------------- 1 | /* Localized versions of Info.plist keys */ 2 | 3 | -------------------------------------------------------------------------------- /Podfile: -------------------------------------------------------------------------------- 1 | xcodeproj 'MQTTExample.xcodeproj' 2 | 3 | pod 'MQTTKit', :git => 'https://github.com/jmesnil/MQTTKit.git' 4 | 5 | platform :ios, '5.0' 6 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | MQTTExample 2 | =========== 3 | 4 | 5 | [![Build Status](https://travis-ci.org/jmesnil/MQTTExample.png?branch=master)](https://travis-ci.org/jmesnil/MQTTExample) 6 | 7 | iOS example application using [MQTTKit](https://github.com/jmesnil/MQTTKit) to send and recive [MQTT](http://mqtt.org) messages. 8 | 9 | ![Screenshot of the MQTTExample application](./screenshot.png) 10 | 11 | # Usage 12 | 13 | Run ```pod install``` to insall the dependencies (including MQTTKit) 14 | and open `MQTTExample.xcworkpace` to build and run the example. 15 | 16 | The app will connect to the MQTT broker hosted at [`iot.eclipse.org`](http://iot.eclipse.org/) and publish messages on the `/MQTTExample/LED` topic. 17 | 18 | The retained message for this topic can be seen at http://eclipse.mqttbridge.com/%2FMQTTExample%2FLED 19 | 20 | It is possible to change the state of the LED by publishing messages using eclipse's MQTT bridge: 21 | 22 | * switch __on__ the subscribed LED: 23 | 24 | 25 | curl -X PUT --data-binary "1" http://eclipse.mqttbridge.com/%2FMQTTExample%2FLED 26 | 27 | 28 | * switch __off__ the subscribed LED: 29 | 30 | 31 | curl -X PUT --data-binary "0" http://eclipse.mqttbridge.com/%2FMQTTExample%2FLED 32 | 33 | 34 | Noe that if you used these HTTP calls to change the LED state, the published LED will not necessarily be in the same state than the subscribed LED. 35 | 36 | 37 | # Code 38 | 39 | The whole code to send and receive MQTT message is in [MQTTViewController.m](MQTTExample/MQTTViewController.m). 40 | -------------------------------------------------------------------------------- /screenshot.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jmesnil/MQTTExample/50522e385c73ec197eaeb9011a761b4b646aad0b/screenshot.png --------------------------------------------------------------------------------