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. Denotes an instance method
Gray circle with a white 'X' in it - positioned to the right of the text field box
[[<class name> alloc] init];
-
graduationParty ... addAttendee:withDish

2. The Inspector you would use to control your layout in Interface Builder
Size Inspector
class
float
[shrinkButton setTitle:@'Grow' forState: UIControlStateNormal];

3. The ________ class provided a container for the management and display of views
UIWindow
IBOutlet
UITextView
prototyping

4. _____ are methods that we can connect to events.
Command+1
view controller
@end
Actions

5. A tool in Xcode to help fix broken code
Disables the Return key on the keyboard unless the user has entered at least a single character of input into the field
debugger
XML
UIImageView

6. Character used to show an element as a literal string
Attributes Inspector
accessors
accessible apps
@

7. Document Apple uses to evaluate apps for the App Store
Human Interface Guide
Double-click
affine
protocols

8. ______ enable applications to store multiple pieces of information in a single object
Model-View-Controller
model
Xcode
Collections

9. Files used to create a class
boiler-plate
XML
interface and implementation files
viewDidLoad

10. What do the Autosizing settings of the Size Inspector do?
hash
Classes
Determine how controls resize/reposition themselves when a device changes orientation
Touch Up Inside

11. Extension for interface file
h
First Responder
Nib (but a few call it 'zib' but that's not preferred)
utility

12. Denotes a class method
#import 'myFile.h'
Cocoa Touch
+
NSDictionary

13. Syntax for sending an object a message with no parameters
protocols
[<object variable> <method name>];
-
UILabel *myLabel = [[UILabel alloc] init];

14. Something the simulator cannot reliably test
Disables the Return key on the keyboard unless the user has entered at least a single character of input into the field
Option-click a symbol
Size Inspector
performance

15. Postcondition repetition structure syntax
prototyping
Hold down the Option key and point to the other label. The distance will be shown
Object-oriented programming
do{/*stuff to do here*/}while(<boolean expression>);

16. Every iOS application implements a subclass of _________
UIApplication
view
+
Snapshot feature

17. Key sequence to hide/show the Assistant Editor
id
controller
ption+Command+Return
contentSize

18. The Inspector you will need if you want to connect a custom class to an object in Interface Builder
%
Command+S
boiler-plate
Identity Inspector

19. Write a line of code creating a pointer to a wall paper image called 'wp1' that refers to a resource in an app with the file name 'wallPaper_01.png'

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

20. Purpose of the 'Auto-enable Return Key' attribute for text fields
Cocoa Touch
png
id
Disables the Return key on the keyboard unless the user has entered at least a single character of input into the field

21. 'plist' stands for...
'Software Development Kit'
storyboards
alpha ... 1
property list

22. Class used to work with dates as objects
NSDate
implementation file
contentSize
Instruments

23. An _______ is used to enable your code to talk to objects within views
Model-View-Controller
Command + Tab
myImage@2x.png
IBOutlet

24. 'Build and run' keyboard shortcut
Commmand-R
Cocoa Touch
UILabel *myLabel = [[UILabel alloc] initWithString:@'GO!'];
NeXSTEP

25. Delimiter for a list of protocols
IBOutlet
Command+0
NSLog
<>

26. Recommended image type for button graphics
png
512MB
1024 x 768
above

27. This element should 'always' accompany a slider to indicate its purpose
label
retain
User Interface
nonatomic

28. Syntax to include UIKIT in a class
Size Inspector
Single View Application
#import <UIKIT/UIKIT.h>
320 x 480

29. Closes an interface file
@end
accessible apps
alpha ... 1
IBOutlet

30. Used to indicate any type of object
Command+S
NSURLRequest
<>
id

31. A class that manages the user's interaction with the iDevice
Seques .... relationships
main()
view controller
segmented control

32. Beginning with iOS4 - applications no longer terminate when the user presses the...
instantiate
Home button
*
Model-View-Controller

33. Proper way to pronounce a *.xib file

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

34. The Round Rect Button is found in this library
interface file
Object Library
Collections
Something unique - based on the app's name (perhaps abbreviated). Avoid 'NS' or 'UI' since they are used in Apple's frameworks. A framework or library should always be prefixed. For a simple app - they are not necessary.

35. Storage location for a piece of information
while(<boolean expression>){/*stuff to do here*/}
Cocoa Touch
nil
variable

36. Property affecting an element's transparency
114 x 114
alpha
Size Inspector
below

37. Other name for an *.xib file
Option-click a symbol
nibfile
Cocoa is the development framework used for most native Mac OS X applications; Cocoa Touch is customized for a touch interface
Command + Tab

38. strong and nonatomic are examples of ...
IBAction
stub
attributes
Option+Command+ 0

39. NS stands for...
[[<class name> alloc] init];
variable
alpha ... 0
NeXSTEP

40. Combining two messages into a single line of code
Attributes Inspector
IBOutlet
nested message send
wrap

41. The bar across the top of the Editor area that shows you the item you are editing
Option+Command+ 0
Jump Bar
nonatomic
Object-oriented programming

42. A skeleton (holding place) or framework of code that will be completed in the future; provided initially so code will compile (but it may not function)
stub
UIApplication
Utility apps
main()

43. Syntax for single-line comment
Object-oriented programming
Attribute settings for some onscreen controls (like text areas) that analyze content and provide helpful links based on what they find. For example - phone numbers can be touched to dial the phone; web addresses can launch Safari if tapped - etc
ommand+Return
//blah blah blah

44. setters
Object library
performance
mutators
alpha ... 1

45. Extension for implementation file
Cocoa Touch
Outlets ... pointer
ommand+Return
m

46. In the UK - the '#' symbol is often called the ____ symbol
hash
subclass
Treats the field as a password - hiding each character as it is typed
disclosure

47. Used to define a list of all methods and properties a class uses
pipe
nibfile
interface file
Option+Command+4

48. Class that another class inherits from
superclass
protocols
pound
y *= 5;

49. A class that implements a protocol is said to ____ to that protocol
debugger
nil
@end
conform

50. In most graphical user interfaces - a _____ view is a view that must be dismissed ('OK' button - 'Cancel' button for example) before the user can perform any other actions in the application.
NSString *phrase = @'Hello World';
modal
Cocoa Touch
%1.2f