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how do API's coincide with the various layers of iOS?
Ive read up on the various layers of iOS including the core services and Core OS Layer. My question is this, these layers deal with various frameworks e.g. the Core Services Layer deals with threading, file sharing etc but what do the API's do??
1 Answer
- ?Lv 59 years agoFavorite Answer
API are Application Programming Interfaces.
They are a set of function and subroutine call and data structure definitions that allow you to
under program control make use of the services and Operating System or Application System provides.
Your example of IOS is would be an example of a API to an operating system. The components you mention are part of the entire architecture of the OS and you would do API calls into certain libraries to implement your application.
If you are familiar with the web browser Firefox, it has and API that lets you extend it functionality.