let str = "mailto:[email protected][email protected]&subject=Greetings%20from%20Cupertino!&body=Wish%20you%20were%20here!"
let url = NSURL(string: str)
UIApplication.sharedApplication().openURL(url)

import Butterfly

func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
    ButterflyManager.sharedManager.startListeningShake()
    let uploader = ButterflyFileUploader.sharedUploader
    uploader.setValue( "sample", forParameter: "folderName" )
    uploader.setServerURLString("https://myserver.com/foo")
    return true
}

func ButterflyViewControllerDidPressedSendButton(drawView: ButterflyDrawView?) {
    if let image = imageWillUpload {
        let data: UIImage = image
        ButterflyFileUploader.sharedUploader.addFileData( UIImageJPEGRepresentation(data,0.8), withName: currentDate(), withMimeType: "image/jpeg" )
    }

    ButterflyFileUploader.sharedUploader.upload()
    print("ButterflyViewController 's delegate method [-ButterflyViewControllerDidEndReporting] invoked\n")
}

// @discussion Make sure your serverURLString is valid before a further application. 
// Call `setServerURLString` to replace the default "http://myserver.com/uploadFile" with your own's.
public var serverURLString: String? = "http://myserver.com/uploadFile"

///
/// Set uploader 's server URL
///
/// @param     URL         The server URL.
///
public func setServerURLString( URL: String ) {
    serverURLString = URL
}

///
/// Add one file or multiple files with file URL to uploader.
///
/// @param    url          The URL of the file whose content will be encoded into the multipart form data.
///
/// @param    name         The name to associate with the file content in the `Content-Disposition` HTTP header.
///
/// @param    mimeType     The MIME type to associate with the data in the `Content-Type` HTTP header.
///
public func addFileURL( url: NSURL, withName name: String, withMimeType mimeType: String? = nil ) {
    files.append( ButterflyFileUploadInfo( name: name, withFileURL: url, withMimeType: mimeType ) )
}

///
/// Add one file or multiple files with NSData to uploader.
///
/// @param    data         The data to encode into the multipart form data.
///
/// @param    name         The name to associate with the file content in the `Content-Disposition` HTTP header.
///
/// @param    mimeType     The MIME type to associate with the data in the `Content-Type` HTTP header.
///
public func addFileData( data: NSData, withName name: String, withMimeType mimeType: String = "application/octet-stream" ) {
    files.append( ButterflyFileUploadInfo( name: name, withData: data, withMimeType: mimeType ) )
}