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Tag: ldt550

  • Learning Swift: Calculator App, part 5. Revamping the logic/design

    This is part 5 of my Learning Swift Calculator App. This update is mostly about the code structure and design decision about the calculator and its behavior. Technical lessons learned: Adding variable values in the middle of the string is so much easier using the following format – “blah blah blah and I am going…

  • Learning Swift: Calculator App, part 4. Autolayout

    This is part 4 of my Learning Swift Calculator App. Progress: UI elements will be evenly distributed on any size screen and orientation. Lessons learned: Autolayout is a wonderful thing and Apple does their best to help developers who would prefer to develop using the GUI rather than code, but, if you don’t understand the underlying…

  • Learning Swift: Calculator App, part 3. IBOutlet and button touch highlighting

    This is part 3 of my Learning Swift Calculator App. Progress Working on UIX (visual cue that a button has been touched) Lessons learned: Yes – there is only one item on this update.  Adding a state change when a button is touched sent me down a long rabbit hole I did not expect would…

  • Learning Swfit: Calculator App, part 2. Case, Auto Layout, Variable types

    This is part 2 of my Learning Swift Calculator App. Progress: +, -, x operations are now functional decimals also work Lessons learned: It’s easy to get caught up on a new programming language and forget to use universal concepts of programming that would have made my life a lot easier In my haste (and…

  • Learning Swift – Calculator App, part 1

    As part of my course work for Design Studio (LDT550) at Penn State, I am learning how to program in Swift (Apple’s iOS programming language) using xCode 6 beta.  In particular, I am working with Dr. Simon Hooper to get some of the basics down by programming a simple calculator. Here is my progress… First…