Saturday, December 26, 2015

App states or Application states

  1. Non-running - The app is not running. 
  2. Inactive - The app is running in the foreground, but not receiving events. An iOS app can be placed into an inactive state, for example, when a call or SMS message is received. 
  3. Active - The app is running in the foreground, and receiving events. 
  4. Background - The app is running in the background, and executing code. 
  5. Suspended - The app is in the background, but no code is being executed.
-
Labels:
  • Delegate methods: NSUrlconnection
    Connection did receive response Connection did receive data Connection fail with error Connection did finish loading
  • Explain: Objective-C
    Objective-C is a very dynamic language. Its dynamism frees a program from compile-time and link-time constraints and shifts much of the res...
  • Mix Points
    Object-oriented concepts don’t work well with structs and enums: a struct cannot inherit from another struct, neither can an enum inherit...