inconsistent include of UIKit vs AppKit

[solas]

• [x ] I've read, understood, and done my best to follow the *CONTRIBUTING guidelines.

What did you do?

It appears this project grabs many UI object definitions (e.g. NSTextAlignment) through Charts.h, yet includes for iOS UIKit separately in many files:

#if !os(OSX)
import UIKit
#endif

Either Charts.h should include all, else the above swift import should be changed to the following, and perhaps imported in a separate included swift module to avoid duplication:

#if !os(OSX)
import UIKit
#else
import AppKit
#endif

Charts Environment

Charts version/Branch/Commit Number:
3.1
Xcode version:
9.2
Swift version:
4.0
Platform(s) running Charts:
macOS
macOS version running Xcode:
10.13.3

[liuxuan30]

I'm not clear what's your issue. Have checked Charts-OSX demo? And, better to provide a PR to demonstrate. You are the FIRST one reporting this.

[jjatie]

I'm not sure what the issue is either. Most, if not all, of the

#if !os(OSX)
import UIKit
#endif

are leftover from older versions of the library and can be removed. They don't impact anything as the UIKit and AppKit imports are done in Platform.swift