Introduction au Développement d'Applications iOS

Présentation donnée à l'EPFL, Lausanne, Suisse.

Transcript

1. Introduction au Développement d’Applications iOS Adrian Kosmaczewski akosma software EPFL, 11 Novembre 2010
2. Adrian Kosmaczewski
3. http://www.flickr.com/photos/gi/164281467/
4. http://www.flickr.com/photos/jm3/379494322/
5. http://www.flickr.com/photos/21025851@N00/2168398185/
6. http://www.flickr.com/photos/emiliagarassino/2146648332/
7. akosma software
11. http://www.flickr.com/photos/oskay/365607662/
12. http://www.flickr.com/photos/oskay/365607591/
13. http://www.flickr.com/photos/blakespot/2379207825/
14. http://www.flickr.com/photos/oseillo/345879263/
15. http://www.flickr.com/photos/justdrew1985/4348527596/
17. Application iPhone
18. Jérôme Commandeur
19. http://akos.ma/gib5
20. App Store
22. Unique
24. Chiffres
25. http://akos.ma/_u
26. http://akos.ma/_u
27. http://akos.ma/gp0a
28. http://akos.ma/5z3ud
29. 5 chiffres à retenir http://akos.ma/7cunf
30. 1. Deux millions d’iPads vendus en 2 mois
 = 1 chaque 3 secondes 2. Il y a eu 35 millions de téléchargements sur l’App Store pour iPad (ou 17 apps par iPad) http://akos.ma/7cunf
31. 3. 15,000 nouvelles applications sont envoyées à Apple chaque semaine pour évaluation 4. 95% de toutes ces applications sont approuvées en 7 jours http://akos.ma/7cunf
32. 5. Vers la fin du mois de juin 2010, Apple a vendu son 100 millionième appareil iOS (iPhone, iPod touch et / ou iPad) http://akos.ma/7cunf
33. http://akos.ma/fttbc
34. 600’000 iPhones en Suisse http://akos.ma/fl8
36. Fonctionnement
37. 1. Enregistrement
38. http://developer.apple.com/programs/iphone/
39. 2. Développement
41. 3. Publication
43. Requirements • Applications Gratuites: • Rien du tout • Applications payantes: • EIN Number, via IRS • Compte bancaire
44. 4. Approbation
46. 4.1 Refus
47. “Your application cannot be posted to the App Store at this time because it does not adhere to the iPhone Human Interface Guidelines as outlined in iPhone SDK Agreement section x.x.x. When the device is in this or that condition, the application does not do this or that. This behavior might lead to user confusion. It would be appropriate to display either a notification or an alert stating that such or such condition is required. In order for your application to be reconsidered for the App Store, please resolve this issue and upload your new binary to iTunes Connect.”
48. 5. Vente
49. https://itunesconnect.apple.com/
52. Demo 1: “Flashlight”
54. Cocoa & Objective-C
55. born in the 80s
61. Objective-C
62. Objective-C Java @interface & @implementation class (1 file) @protocol interface #import // files! import // classes! categories n/a (in C#, “class extensions”) id n/a (generics?)
63. Objective-C Java @selector n/a NSObject / NSProxy / ... Object @public / @protected / @private public / protected / private @try / @catch / @finally NSException try / catch / finally Exception n/a package / namespace
64. • Thin layer around C • Message-dispatch runtime • Static and dynamic (you choose) • The “real” inspiration for Java: • http://cs.gmu.edu/~sean/stuff/java- objc.html
65. • Single inheritance + interfaces (“@protocols”) • @protocols can have optional methods • Fields protected by default • All methods are virtual and overridable • Methods can be added to existing classes • Full introspection / reflection • Messages can be intercepted and forwarded à la AOP
70. Demo 2: Pierre-feuille-ciseaux
72. Applications web ou “natives”?
73. mises à jour fréquence d’utilisation native apps web apps stocks calculatrice business forms reports
74. Avantages des Applications “Natives”
75. 1 offline
76. 2 location services
77. 3 caméra
78. 4 audio & 3D
79. http://www.flickr.com/photos/wellohorld/2734492298/
80. http://www.flickr.com/photos/kelleys/1201625428/
81. 5 acceleromètre
82. 6 notifications
83. http://www.flickr.com/photos/epitti/2565572445/
84. Composants natifs
85. Carnet d’adresses ABAddressBook ABMultiValue ABMutableMultiValue ABRecord ABGroup ABPerson http://www.flickr.com/photos/kevinmarsh/2315151843/
86. Acceleromètre UIAccelerometer UIAccelerometerDelegate http://www.flickr.com/photos/evert-jan/2784525711/ http://www.flickr.com/photos/evert-jan/2785380754/
87. Vidéo MPMoviePlayerController http://www.flickr.com/photos/pingping/1431127181/
88. Location services CLLocation CLLocationManager http://www.flickr.com/photos/thomcochrane/2780365916/
89. Graphics & animation CALayer NSGraphicsContext NSRect / NSMakeRect NSBezierPath NSColor http://www.flickr.com/photos/alleus/2905293514/
90. Caméra & photo library UIImagePickerController UIImagePickerControllerDelegate UIImagePickerControllerSourceTypeCamera UIImagePickerControllerSourceTypePhotoLibrary http://www.flickr.com/photos/ernohannink/2713579416/
91. Et bien plus... audio XML WebKit SQLite networking Bonjour
93. Honorer les “Human Interface Guidelines”
94. http://developer.apple.com/iphone/ library/documentation/ userexperience/conceptual/ mobilehig/
96. evitez ceci
97. http://www.flickr.com/photos/gruber/2635257578/
98. et ceci
99. http://smokingapples.com/iphone/app-store-iphone/the-worst-twitter-client-ever/
100. “ I can’t find one redeeming quality about this app. It’s slow to start [on a 3GS], doesn’t respond to taps while it’s trying to load other things, and crashes if you try to change modes a lot. It’s limited to only timeline, replies, and messages. It has no other functionality. Oh wait… I forgot its killer feature, you can have custom backgrounds and choose the color of your tweets. That totally makes up for its lack of useful features and sluggish performance. I’m not sure why someone would bother building such an inferior app other than that they wanted to find some suckers and score a quick buck. It seems even more insane to me that they’d be actively seeking out reviewers to cover this. I was given a promo code for ChillTwit, and even for free I didn’t want it on my phone. I was sad just from looking at screenshots. Actually seeing it running confirmed all of my fears. If it was a free app, I might forgive the developer, but the fact that he’s trying to get $0.99 out of people pisses me off to no end. Go buy Tweetie. If you somehow weren’t scared away by all my bitching and whinning, you can see ChillTwit on the app store here. But seriously, if you buy this, we’re not friends anymore.
102. Livres
115. Merci!
116. Questions?