Start Developing iOS Apps Today

Question 1

Objective-C

Answer 1

• The language that powers all iOS apps and frameworks.

- A superset of C

Question 2

Tool develop apps

Answer 2

iOS software development kit (SDK)
Xcode
Apple’s integrated development (IDE)

Question 3

Basic tasks in code

Answer 3

Create objects,
Compare objects,
Query objects for information,
Access objects in collections (arrays).

Question 4

Frameworks

Answer 4

Contains a library of methods that your app can call

Question 5

API

Answer 5

Application Programming Interface

Question 6

Protocol or interface

Answer 6

Common means for unrelated objects to communicate with each other

Question 7

Design Patterns provides

Answer 7

A solution to a common software engineering problem. Patterns are abstract designs, not code.

Question 8

Abstract

Answer 8

Existing in thought or as an idea but not having a physical or concrete existence

Question 9

Design

Answer 9

A plan or drawing produced to show the look and function or workings of a building, garment, or object before it is built or made

Question 10

Intuitive

Answer 10

Using or based on what one feels to be true even without conscious reasoning

Question 11

Interactive

Answer 11

(of two people or things) influencing or having an effect on each other

Question 12

Engaging

Answer 12

Charming and attractive

Question 13

@autoreleasepool statement supports …

Answer 13

Automatic Reference Counting (ARC), automatic object-lifetime management for app

Question 14

UIKit framework provides …

Answer 14

All classes, app need, construct, manage, user interface

Question 15

Delegation

Answer 15

design pattern, object acts on behalf of, or in coordination with, another object

Question 16

Info.plist file

Answer 16

Property list ( list of key-value pairs), contain information, app, name, icon

Question 17

Storyboard contain

Answer 17

archive of object, tradition, connections, define, app’s user interface

Question 18

view controller

Answer 18

Object, manage, area of content

Question 19

initial view controller

Answer 19

first view controller, get loaded when app starts

Question 20

A view is …

Answer 20

object, draw content in rectangular area of screen, handle events caused by user’s touches.