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NSScreencast Episode #107 Swipe to Reveal Cells

Swipe to Reveal Cells - NSScreencast

左スワイプして2種類のアクションを表示する

  • Reveal $89 Reveal App
  • cell - contentView - scrollView - view
    • storyboard
      • set same value of x, y(0, 0) and width, height to all views
      • set autolayout 4 margins and width, height
      • connect view outlet to cell (scroll view, inner view)
      • delegate scroll view to cell
  • MailMessageCell
    • awakeFromNib
      • 2 buttons on buttonContainerView
      • [self.scrollView insertSubview:self.buttonContainerView belowSubview:self.innerContentView];
    • repositionButtons
    • layoutSubviews
      • self.scrollView.contentSize =
    • hide indicators
      • self.scrollView.showsHorizontalScrollIndicator = NO;
      • self.scrollView.showsVerticalScrollIndicator = NO;
  • UIScrollViewDelegate
    • scrollViewDidScroll
      • postNotificationName:RevealCellDidOpenNotification
    • scrollViewWillEndDragging
      • if (velocity.x > 0) {
        • (*targetContentOffset).x = kRevealWidth;
  • NSNotificationCenter
    • 他のセルをスワイプするとそれ以外が閉じる
    • @selector(onOpen:)
    • name:RevealCellDidOpenNotification
    • onOpen
      • if (notification.object != self) {
      • if (_isOpen) {
      • animations:^{ self.scrollView.contentOffset = CGPointZero;