A library for saving children

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A library for saving children @yashigani Cocoa Studying Kansai #53

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@yashigani

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Texting while walking is danger for children!

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Stop-Walking-iPhone

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Stop-Walking-iPhone • It is a library that showing warning on app when texting while walking with iPhone • Powered by M7 • https://github.com/yashigani/Stop-Walking-iPhone

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Core Concept • Easy to use (for developer) • Not annoying • Fun

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Easy to use • Install by CocoaPods • Include default settings, default pictures • Of course can use original setting or resources • Should add one line code to enable

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- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { [SWIManager.sharedManager start]; return YES; }

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Not annoying • Overlay on App • No buttons • Big picture

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Fun • Rich interface • Physical interaction • Like a Tweetbot 3 • Suppress bad impression • Pretty icons • Demo

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6 types pictures

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iOS 7 Design Standard • By Hiroaki Ogino (Chief Designer at Fenrir Inc.) • Flat design on iOS 7 • UI/UX • Not only designer. For anyone engage in iOS • Buy now!

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Implementation • M7 • CMMotionActivity • UIKit Dynamics • Hook animations

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M7 • CMStepCounter • CMMotionActivityMana ger • CMMotionActivity • Privacy • Settings -> Privacy -> Motion Activity

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CMMotionActivityManager __weak __typeof(self) wself = self; CMMotionActivityManager *manager = [CMMotionActivityManager new]; NSOperationQueue *queue = NSOperationQueue.mainQueue; [manager startActivityUpdatesToQueue:queue withHandler:^(CMMotionActivity *activity) { [wself handleActivity:activity]; }];

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CMMotionActivity • Container motion data • Type of motion • stationary/walking/running/automotive • Metadata for motion • startDate • confidence

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Can access historical data • M7 always storing Activity on your device • Can get historical data • queryStepCountStartingFrom:to:toQueue:withHand ler: • queryActivityStartingFromDate:toDate:toQueue:wit hHandler: • Apps using M7 shouldn’t need move background

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UIKit Dynamics • Real-world inspired animation and interaction • Easy to use • Improve quality on custom UI parts with animation • Demo

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Hook animations • Can’t hook animation state • Not enough UIDynamicAnimatorDelegate • Use UICollisionBehaviorDelegate • Don’t calculate speed and duration

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UICollisionBehavior • One of predefined behavior • Easy to understand • Boundary • Can create bigger than reference view • Path • NSBezierPath

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Hook animation by collision • Create boundary bigger than screen • Disappear view when handled become collision

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Conclusion • Don’t texting while walking • M7 and CMMotionActivityManager • Hook animations on UIKit Dynamics • Include Stop-Walking-iPhone your App :)

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One more thing…

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YSViewer • Image viewer library like Tweetbot 3 • https://github.com/ yashigani/YSViewer • Install by CocoaPods • Free to use • Today

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Thank you!

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Credits • Jonathan Adami: http://www.flickr.com/photos/ jonathanadami/7953963856/ • Charles LeBlanc: http://www.flickr.com/photos/ httpoldmaisonblogspotcom/7070786787/ • Robert Couse-Baker: http://www.flickr.com/photos/ 29233640@N07/5535961307/ • jan zuppinger: http://www.flickr.com/photos/ pieceoplastic/8293895852/ • Wang Alive: http://www.flickr.com/photos/wang_alive/ 8044415103/