はてなにおけるモダンiOSアプリ開発入門

Transcript

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   ͸ͯͳʹ͓͚Δ ϞμϯiOSΞϓϦ։ൃೖ໳ Hatena Engineer Seminar #2

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   cockscomb

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

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   ͸ͯͳͷΞϓϦ

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    ͸ͯͳϒοΫϚʔΫ iOS SDK

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

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    ͸ͯͳʹ͓͚Δ ΞϓϦ։ൃ

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    ։ൃ HTML5 Titanium RubyMotion ωΠςΟϒ + WebView

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

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    ͸ͯͳϒϩάΞϓϦ ͔ͬ͠ΓͱϒϩάΛॻ͚Δ͜ͱ
    
    ॻ͖΍͍͢͜ͱ
    
    Ͳ͜ʹ͍ͯ΋ॻ͚Δ͜ͱ
    ϑΟʔυόοΫ͕ಘΒΕΔ͜ͱ

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    None
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    ܭଌ

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    Web APIΛར༻͢ΔiOSΞϓϦ։ൃ ͸ͯͳαϚʔΠϯλʔϯγοϓ2013

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

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

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

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    ࣮ફతͳαϯϓϧίʔυ CocoaPods AFNetworking UIStoryboard Auto Layout NSLayoutConstraint Key Value Observation

    blocks UITableViewController NSNotification Center isEqual: overriding appledoc …
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    ͸ͯͳͷiOS։ൃΛ ࢧ͑Δٕज़

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

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    UIStoryboard

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

    pushViewController:bookmarkViewController animated:YES]; } Before After
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    Auto Layout

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    None
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    @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
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    @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
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    Key Value Observation

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

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

    %@", error); } [self.tableView reloadData]; }]; खͰஸೡʹUITableViewʹ൓өͤ͞ΔͷΛ΍Ί͍ͨ
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    TableViewController [[IBKMBookmarkManager sharedManager] reloadBookmarksWithBlock:^(NSError *error) { if (error) { NSLog(@"Error:

    %@", error); } }];
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    Key Value Observation [[IBKMBookmarkManager sharedManager] addObserver:self forKeyPath:@"bookmarks" options:NSKeyValueObservingOptionNew context:nil];

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

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

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    ςετ

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

    KIF΋࢖͍͖͍ͬͯͨ
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    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]; }); });
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    stubRequest(@"GET", @"http://www.hatena.ne.jp/"). andReturn(200);

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

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

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    None