はてなにおけるモダンiOSアプリ開発入門

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1. None

2. ͸ͯͳʹ͓͚Δ ϞμϯiOSΞϓϦ։ൃೖ໳ Hatena Engineer Seminar #2

3. cockscomb

4. גࣜձࣾ͸ͯͳ ΞϓϦέʔγϣϯΤϯδχΞ ͸ͯͳϒϩάνʔϜ/͸ͯͳεϖʔενʔϜ ͸ͯͳαϚʔΠϯλʔϯ2013ࢀՃޙ͙͢ʹೖࣾ cockscomb

5. ͸ͯͳͷΞϓϦ

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10. ͸ͯͳϒοΫϚʔΫ iOS SDK

11. ΞδΣϯμ 1. ͸ͯͳʹ͓͚ΔΞϓϦ։ൃ 2. ͸ͯͳαϚʔΠϯλʔϯ2013 3. ͸ͯͳͷiOS։ൃΛࢧ͑Δٕज़

12. ͸ͯͳʹ͓͚Δ ΞϓϦ։ൃ

13. ։ൃ HTML5 Titanium RubyMotion ωΠςΟϒ + WebView

14. ΞϓϦͷํ޲ੑΛܾఆ ϖʔύʔϓϩτλΠϐϯά Ϣʔβʔςετ ࣾ಺ͷiOS୺຤ϢʔβʔʹTestFlight ΞϓϦϦϦʔε ϢʔβʔͷಉҙΛಘͯτϥοΩϯά

15. ͸ͯͳϒϩάΞϓϦ ͔ͬ͠ΓͱϒϩάΛॻ͚Δ͜ͱ
    
    ॻ͖΍͍͢͜ͱ
    
    Ͳ͜ʹ͍ͯ΋ॻ͚Δ͜ͱ
    ϑΟʔυόοΫ͕ಘΒΕΔ͜ͱ

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18. ܭଌ

19. Web APIΛར༻͢ΔiOSΞϓϦ։ൃ ͸ͯͳαϚʔΠϯλʔϯγοϓ2013

20. ͸ͯͳΠϯλʔϯ2013 ͸ͯͳαϚʔΠϯλʔϯ
    ϨϙʔταΠτ
    ͸ͯͳڭՊॻ
    J04ߨٛαϯϓϧίʔυ https://github.com/hatena/

21. –id:murakaming lJ04
    ଆͬ͟ͱݟ͚ͨͲɺ͜͏͍͏
    حྷͳίʔυ͕খ͍͞αϯϓϧͰͳ͘
    Ұࣜἧ͍ͬͯΔͷ͸ຊ౰ʹوॏͩ͠
    ༗Γ೉͗͢Δɻz

22. –id:griffin-stewie lͦΕͳΓʹ࣮ઓܦݧ͕͋ΔਓͰ΋
    ΍ͬͯͳͦ͞͏ͩͬͨΓ஌Βͳͦ͏ͳ͜ͱΛ
    αϥοͱݟͤͯ͘Ε͍ͯΔz

23. ࣮ફతͳαϯϓϧίʔυ CocoaPods AFNetworking UIStoryboard Auto Layout NSLayoutConstraint Key Value Observation

    blocks UITableViewController NSNotification Center isEqual: overriding appledoc …

24. ͸ͯͳͷiOS։ൃΛ ࢧ͑Δٕज़

25. CocoaPods platform :ios, '7.0' ! pod 'AFNetworking' pod install

26. UIStoryboard

27. - (IBAction)newBookmark:(id)sender { IBKMBookmarkViewController *bookmarkViewController = [[IBKMBookmarkViewController alloc] init]; [self.navigationController

    pushViewController:bookmarkViewController animated:YES]; } Before After

28. Auto Layout

29. None

30. @property (weak, nonatomic) IBOutlet UITextView *textView; ! ! ! -

    (void)keyboardWillChangeFrame:(NSNotification *)notification { CGRect keyboardRect = [notification.userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue]; keyboardRect = [self.view convertRect:keyboardRect fromView:nil]; double animationDuration = [notification.userInfo[UIKeyboardAnimationDurationUserInfoKey] doubleValue]; ! CGFloat keyboardHeight = self.view.bounds.size.height - keyboardRect.origin.y; CGRect newRect = self.view.bounds; newRect.size.height -= keyboardHeight; ! [UIView animateWithDuration:animationDuration animations:^{ self.textView.frame = newRect; }]; } Before

31. @property (weak, nonatomic) IBOutlet NSLayoutConstraint *keyboardHeight; ! ! ! -

    (void)keyboardWillChangeFrame:(NSNotification *)notification { ... ! CGFloat keyboardHeight = self.view.bounds.size.height - keyboardRect.origin.y; self.keyboardHeight.constant = -keyboardHeight; ! [UIView animateWithDuration:animationDuration animations:^{ [self.view layoutIfNeeded]; }]; } After

32. Key Value Observation

33. ϒοΫϚʔΫҰཡ BookmarkManager - (NSArray *)bookmarks TableViewController ؂ࢹ ௨஌ ߋ৽

34. TableViewController [[IBKMBookmarkManager sharedManager] reloadBookmarksWithBlock:^(NSError *error) { if (error) { NSLog(@"Error:

    %@", error); } [self.tableView reloadData]; }]; खͰஸೡʹUITableViewʹ൓өͤ͞ΔͷΛ΍Ί͍ͨ

35. TableViewController [[IBKMBookmarkManager sharedManager] reloadBookmarksWithBlock:^(NSError *error) { if (error) { NSLog(@"Error:

    %@", error); } }];

36. Key Value Observation [[IBKMBookmarkManager sharedManager] addObserver:self forKeyPath:@"bookmarks" options:NSKeyValueObservingOptionNew context:nil];

37. - (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context { if

    (object == [IBKMBookmarkManager sharedManager] && [keyPath isEqualToString:@"bookmarks"]) { NSIndexSet *indexSet = change[NSKeyValueChangeIndexesKey]; NSKeyValueChange changeKind = (NSKeyValueChange)[change[NSKeyValueChangeKindKey] integerValue]; ! NSMutableArray *indexPaths = [NSMutableArray array]; [indexSet enumerateIndexesUsingBlock:^(NSUInteger index, BOOL *stop) { [indexPaths addObject:[NSIndexPath indexPathForRow:index inSection:0]]; }]; ! [self.tableView beginUpdates]; if (changeKind == NSKeyValueChangeInsertion) { [self.tableView insertRowsAtIndexPaths:indexPaths withRowAnimation:UITableViewRowAnimationAutomatic]; } else if (changeKind == NSKeyValueChangeRemoval) { [self.tableView deleteRowsAtIndexPaths:indexPaths withRowAnimation:UITableViewRowAnimationAutomatic]; } else if (changeKind == NSKeyValueChangeReplacement) { [self.tableView reloadRowsAtIndexPaths:indexPaths withRowAnimation:UITableViewRowAnimationAutomatic]; } [self.tableView endUpdates]; } }

38. IBKMBookmarkManager [[self mutableArrayValueForKey:@"bookmarks"] insertObjects:newBookmarks atIndexes:[NSIndexSet indexSetWithIndexesInRange: NSMakeRange(0, newBookmarks.count)]]; self.bookmarksΛ௚઀ૢ࡞ͤͣproxyΛܦ༝͢Δ

39. ϒοΫϚʔΫҰཡ BookmarkManager - (NSArray)bookmarks TableViewController ؂ࢹ ௨஌ ߋ৽

40. ςετ

41. Test Frameworks OCUnit/XCTest Kiwi BDD. ςετΛॻ͖΍͘͢͢ΔͨΊʹ࢖͍ͬͯΔ Nocilla ωοτϫʔΫStub UIAutomation ౷߹ςετʹ࢖ΘΕ͍ͯΔ.

    KIF΋࢖͍͖͍ͬͯͨ

42. context(@"Fetching service data", ^{ it(@"should receive data within one second",

    ^{ __block NSData *fetchData = nil; NSURLRequest *request = [NSURLRequest requestWithURL: [NSURL URLWithString:@"http://www.hatena.ne.jp/"]]; ! [NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) { fetchData = data; } ]; [[expectFutureValue(fetchData) shouldEventually] beNonNil]; }); });

43. stubRequest(@"GET", @"http://www.hatena.ne.jp/"). andReturn(200);

44. ͸ͯͳ εϚʔτϑΥϯॏࢹ εϚʔτϑΥϯͷτϥϑΟοΫ͕ແࢹͰ͖ͳ͍ େ͖ͳࡋྔ اը͔Βઃܭɺεϐʔυײ͋Δ։ൃ ։ൃख๏΋೔ʑมԽ ΤϯδχΞͷࣗओੑͰͲΜͲΜม͍͚͑ͯΔ

45. ੵۃ࠾༻த http://www.hatena.ne.jp/company/staff

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