Test your basic knowledge |

iOS 5 App Development Basics

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Syntax to include UIKIT in a class
alpha ... 1
hasShrunk==YES && hasMoved == YES
#import <UIKIT/UIKIT.h>
Option-click a symbol

2. Extension for interface file
h
Double-click
image view
!

3. Storage place for a piece of information specific to a class
!
instance variable
Determine how controls resize/reposition themselves when a device changes orientation
property list

4. Which Apple project template creates a simple view/view controller application
UIImageView
Single View Application
float
above

5. Code fragment for echo printing the name of a function as it loads (for tracing the sequence of code in a project...leaving breadcrumbs)

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

6. ______ and ______ define the connections between scenes.
Seques .... relationships
accessible apps
57 x 57
NSMutableString

7. An array of background images called 'bgImages' has been declared as an instance variable in your header file. You have created a set of 5 background images stored in UIImage variables wp1 through wp5. Write a line of code that initializes the array.
Option+Command+ 0
bgImages = [[NSArray alloc] initWithObjects: wp1 - wp2 - wp3 - wp4 - wp5 - nil];
%1.2f
IBAction

8. Tests to see whether two values are not equal
First Responder
Object Library
!=
hasShrunk==YES && hasMoved == YES

9. How do you get rid of an onscreen keyboard?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

10. OOP
[myLabel setText:@'Howdy'];
utility
Command+1
Object-oriented programming

11. Data type for whole numbers
retain
mutators
int
view controller

12. Proper way to pronounce a *.xib file

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13. A unique combination of view controller and view
interface and implementation files
Gray circle with a white 'X' in it - positioned to the right of the text field box
scene
XML

14. API
NO
Disables the Return key on the keyboard unless the user has entered at least a single character of input into the field
retain - release - dealloc - autorelease
Application Programming Interface

15. In the MVC design pattern for iOS apps - view consists of the various...

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

16. Name of the drop-down menu in Xcode that lets you select the device used with the iOS Simulator
casting
NSMutableArray
viewDidLoad
Scheme

17. Piece of information provided to a method when it is messaged
casting
Command + Tab
parameter
NSLog(@'%s' - __FUNCTION__);

18. Always used to end the list of objects when initializing an array
scene
convenience
nil
controller

19. Used to display image file resources and show simple animations
!=
image view
com.basicversity
contentSize

20. Size of iPhone retina icon image in pixels
First Responder
immersive
114 x 114
viewDidLoad

21. What computer language is the storyboard written in?
XML
IBOutlet
:
m

22. _____ are methods that we can connect to events.
//blah blah blah
token
retain
Actions

23. Class that another class inherits from
UILabel *myLabel = [[UILabel alloc] initWithString:@'GO!'];
UIImageView
superclass
inspector and library

24. Method used to print information in an output panel
NSLog
alpha ... 0
Option-click a symbol
variable

25. Attribute that informs Xcode not to worry about different parts of the application using a property at the same time
nonatomic
[<object variable> <method name>];
Collections
alpha ... 0

26. Used to test an app without needing an actual physical device
view controller
iOS Simulator
Object-oriented programming
Object library

27. Class used for creating image views
Command+R
UIImageView
Option-click a symbol
Objective-C

28. Boolean for 'false' in Objective-C
Determine how controls resize/reposition themselves when a device changes orientation
view controller
for(<initialization>;<test condition>;<update instruction>){/*do this over and over*/}
NO

29. Boolean for 'true' in Objective-C
YES
com.basicversity
+
NSDictionary

30. Templates fill in a bunch of ______-_______ code that serves as a framework in which to write future implementations
conform
debugger
boiler-plate
view

31. Any 'directive' statement begins with this symbol
Cocoa Touch
@
NSDictionary
UIApplication

32. Tests to see whether two values are equal
==
superclass
Home button
UIWindow

33. The files that contain all the scenes you will use in a project.
pound
storyboards
NSString *userName;
<>

34. Class used for image manipulations such as scaling - rotation and translation. Its data structure represents a matrix used for affine transformations.
Home button
int
Model-View-Controller
CGAffineTransform

35. 'Build and run' keyboard shortcut
512MB
*
Commmand-R
<type> <variableName>;

36. If you wish to 'echo print' breadcrumb info as you develop your app - this panel must be visible
NSString
[myLabel setText:@'Howdy'];
boiler-plate
The Console area of the Debug area

37. Delimiter for a list of protocols
UIPicker
Model-View-Controller
stub
<>

38. Document Apple uses to evaluate apps for the App Store
Isolate the functional components of an app
eXtensible Markup Language
/*blah blah blah */
Human Interface Guide

39. The bar across the top of the Editor area that shows you the item you are editing
Jump Bar
inspector and library
casting
==

40. This keyword in the property directive is related to the concept of mutability and basically asks Apple to handle the details. This is the more 'relaxed' - less 'powerful' setting of two possibilities
*
Document Outline Area or Outline View
@synthesize
nonatomic

41. The Inspector you would access to gain access to various accessibility attributes
57 x 57
id
Identity Inspector
To provide a convenient way of setting the button's title in the code

42. The library that contains the objects you can add to a view or XIB file
view
UITextView
%@
Object library

43. The Round Rect Button is found in this library
retain - release - dealloc - autorelease
header
Object Library
[<object variable> <method name>];

44. This type of app is mostly custom controllers and graphics
import
NSArray
Instruments
immersive

45. Key sequence to save an Xcode file
Command+S
prototyping
57 x 57
NSString

46. Calling a method is the same as...
hash
sending an object a message
First Responder
//blah blah blah

47. File name suffix indicating an image is suitable for retina display
png
@2x
Option+Command+4
@

48. The HIG requires some kind of _____ element in a cell if there is more information available
contentSize
&&
disclosure
wrap

49. Apple's classes often provide a special initialization method called a _____ method
114 x 114
wrap
Scheme
convenience

50. Given: [graduationParty addAttendee: @'Aunt Jane' withDish: @'deviled eggs']; The 'receiver' is _______; the 'selector' is _________
graduationParty ... addAttendee:withDish
#import 'myFile.h'
xcodeproj
UIApplication