Day-6

Question 1

Auto Layout Programmatically

Answer 1

Less conflicts with Storyboards :)

1) Delete Main.storyboard
2) Delete Main.storyboard reference in project’s settings
3) Override loadView
4) Instantiate UIWindow
5) Set rootViewController
6) Make the window the keyWindow and Visible

LoadView is where we need to place the custom View.

Question 2

VFL Visual Format Language

Answer 2

set the Auto constraints to false to prevent collisions/conflicts

VFL method provides us with an array

Question 3

managedObjectModel (aka MOM)

Answer 3

Describes a Core Data database schema: Entities (objects), Attributes (object properties), Relationships, Validation (e.g. regex for email address), Storage rules (e.g. separate file for binary data)

Question 4

Entities (Core Data)

Answer 4

Are simply the pieces/objects that store data.

Question 5

Attributes (Core Data)

Answer 5

• For integers, you will see 3 types based on how many bits it uses: int16 :-32768 to 32767, int32 : -2147483648 to 2147483648, int64: -9223372036854775808 to 9223372036854775808
• Double and Float for numbers with decimals
• Decimal for currency
• Binary Data for for saving instances of NSData

Question 6

Relationships

Answer 6

• If the destination object is a single entity, its considered a to-one relationship
• If there may be more than one object, then its a called a to-many relationship
• Relationships can be optional or required

Question 7

Slideshow

Answer 7

https://www.icloud.com/keynote/0KF1EHcCYjQlGj3VBCWdoyJaQ#Week8_Day1

Question 8

Core data belongs to which parent class?

Answer 8

NSManagedObject

Question 9

NS Fetched Results Controller

Answer 9

Add extra results to our object. We can add sections to each part of our app. Like the example from Lab: Hotel’s name and the rooms individually in sections.