RubyMotion for Rails Developers: Auto-Layout (part 1 & 2)

RubyMotion for Rails Developers: Auto-Layout (part 1) - MotionInMotion

RubyMotion for Rails Developers: Auto-Layout (part 2) - MotionInMotion

Auto-Layout (part 1)

• AddTaskViewController < UIViewController
  • view.layout_guide = self.topLayoutGuide
• AddTaskView < UIView
  • attr_accessor :layout_guide
  • @title_label.translatesAutoresizingMaskIntoConstraints = false
  • addConstraint
    • NSLayoutConstraint
      • toItem: layout_guide
      • toItem: self

Auto-Layout (part 2)

• addConstraint
  • NSLayoutAttribute
    • left, right, top, bottom, leading, trailing, width, height, centerX, centerY, and baseline
  • relatedBy: NSLayoutRelationEqual
  • toItem: @title_label
    • toItem: self
  • multiplier
  • constant: -20