Swift 4中的iOS UIKit:使用UIWebView打开PDF

预习

资源

项目

https://github.com/calmone/iOS-UIKit-component

参考

  • UIWebView
    https://developer.apple.com/reference/uikit/uiwebview
  • UIButton
    https://developer.apple.com/reference/uikit/uibutton
  • UIActivityIndi​​catorView
    https://developer.apple.com/reference/uikit/uiactivityindicatorview
  • 网址
    https://developer.apple.com/reference/foundation/nsurl
  • NSURLRequest
    https://developer.apple.com/reference/foundation/nsurlrequest

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