scheme pop-up menu; selects which device
run button (looks like play button)
Simulator: An app in Xcode that simulates the behavior and appearance of running an app on a device.
The simulator gives you an idea of how your app would look and behave if it were running on a device.
3 ways to run:
Run button in toolbar
Product > Run
2 ways to quit the simulator:
Simulator > Quit Simulator
To look at the source file:
Make sure the project navigator is open:
View > Navigators > Show Project Navigator
Or press the icon to the utmost left in the navigator selector bar.
project navigator: displays all the files in your project
Open project file
double-clicking opens it in a different window
The App Delegate Source File
Two primary functions:
it defines your AppDelegate class
it creates the entry point to your app and a run loop that delivers input events to your app