Ios Dev Set 3

Front 1

Interface Builder

Back 1

The graphical environment for building a UI in Xcode.

Front 2

intrinsic content size

Back 2

The minimum size needed to display all the content in a view without clipping or distorting that content.

Front 3

iterate

Back 3

To perform repeatedly.

Front 4

library pane

Back 4

An area in Xcode that displays one of the ready-to-use libraries of resources for your project, like the Object library.

Front 5

local

Back 5

A constant or variable defined only within a particular, limited scope, like a loop, conditional statement, or function.

Front 6

loop

Back 6

A control flow statement that executes the same piece of code multiple times

Front 7

method

Back 7

A reusable, named piece of code that’s associated with a particular class, structure, or enumeration.

Front 8

modal segue

Back 8

A segue in which one view controller presents another view controller as its child, requiring a user to perform an operation on the presented controller before returning to the main flow of the app.

Front 9

Model-View-Controller (MVC)

Back 9

A pattern of app design in which view controllers serve as the communication pipeline between views and the data model.

Front 10

mutable

Back 10

A value that is able to be changed (or mutated) after it’s initialized, like a variable.

Front 11

navigation controller

Back 11

A specialized view controller subclass that manages transitions backward and forward through a series of view controllers.

Front 12

navigation stack

Back 12

The set of view controllers managed by a particular navigation controller.

Front 13

nil

Back 13

The absence of a value or no value.

Front 14

nil coalescing operator

Back 14

An operator (??) placed between two values, a ?? b, that unwraps an optional a if it contains a value, or returns a default value b if a is nil.

Front 15

object

Back 15

An instance of a class.

Front 16

Object library

Back 16

Part of the Xcode workspace window that shows a list of objects that can be added to a storyboard, including each object’s name, description, and visual representation.

Front 17

optional

Back 17

A value that contains either an underlying value or nil to indicate that the value is missing.

Front 18

optional binding

Back 18

The process of attempting to assign an optional value to a constant in a conditional statement to see if the optional contains an underlying value.

Front 19

optional type cast operator

Back 19

An operator (as?) that attempts a downcast and returns the result as an optional value.

Front 20

outlet

Back 20

A reference to an object in a storyboard from a source code file.

Front 21

outline view

Back 21

A pane in a storyboard that lets you see a hierarchical representation of the objects in your storyboard.

Front 22

override

Back 22

To replace an implementation of a method defined on a superclass.

Front 23

parameter

Back 23

An additional piece of information that must be passed into a function, method, or initializer when it’s called.

Front 24

playground

Back 24

A type of file in which you can change and play around with Swift code directly in Xcode and see the immediate results

Front 25

project navigator

Back 25

Part of the Xcode workspace window that displays all the files in your project.

Front 26

property

Back 26

A piece of data encapsulated within a class, structure, or enumeration.

Front 27

property observer

Back 27

A piece of code that’s called every time a property’s value is set that’s used to observe and respond to changes in the property’s value

Front 28

protocol

Back 28

A blueprint of methods, properties, and other requirements that suit a particular task or piece of functionality

Front 29

read-only

Back 29

A value that can only be viewed (read) but never changed (written)

Front 30

read-write

Back 30

A value that can be both viewed (read) and changed (written).