Before building the app, it's important to have an idea of how the code will eventually look and what the key components are. Check all that out here.
- [Narrator] Before we actually start writing…the code for our application, I want to go…over how the apps code is actually organized.…So here's the plan for our application.…You're going to tap the numbers and see…them at the top of the screen, then you're…going to tap either the plus or minus…button and then tap some more numbers.…For example, maybe you start the application,…you tap a four and you see a four in the label.…Then you tap a zero and the zero gets…added after the four so it says 40.…Then you tap the plus or the minus button…and then you start to tap additional numbers.…
Those numbers replace the original numbers…that were in the label, when you tap the…equals button, you see the result.…40 plus and then a number like four…is going to equal 44 and you'll see that…in the label when you press the button.…Then finally you can also tap the C…button to clear the calculator.…In organizing our application let's talk about the…key instance variables also known as properties…that are going to be in our app.…
- Installing Xcode
- Creating an Xcode project
- Configuring the iOS Simulator
- Understanding variables
- Connecting visual objects to variables
- Understanding methods
- Connecting a button to a method
- Using conditional statements
- Setting up the user interface (UI)
- Building a complete iOS app
Skill Level Beginner
1. Set Up Your Coding Environment
Create an Xcode project4m 19s
2. Programming Building Blocks: Variables
3. Programming Building Blocks: Methods
4. Programming Building Blocks: Conditional Statements
5. Plan and Prepare the App
6. Build a Full Application
Next steps3m 11s
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