iOS Layers

 Explain the iOS Layers

iOS Layer

• iOS Devide in 4 layers. 
• 1) Cocoa Touch 
• 2) Media 
• 3) Core Services 
• 4) Core OS

• in Core OS.
  > OSX Kernal
  > Power Managment
  > Mach 3.0
  > Keychain Access
  > BSD
  > Certificates
  > Sockets
  > File System
  > Security
  > Bonjourin 
• in Core Services.
  > Collections
  > Core Location
  > Address Book
  > Net Services
  > Networking
  > Threading
  > File access
  > Performance
  > SQLite
  > URL(Uniform Resource Locater)Utilities.
• in Media.
  > Core Audio
  > JPEG,PNG,TIFF
  > OpenAL
  > PDF
  > Audio Mixing
  > Quartz(2D)
  > File access
  > Core Animation
  > SQLite
  > OpenGL ESin 
• Cocoa Touch.
  > Multi-Touch
  > Core Motion
  > Localization
  > View Herarchy
  > Controls
  > Alerts
  > Web View
  > MapKit
  > Image Picker
  > Camera

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