SalesforceManager singleton class

SalesforceManager.swift

import SalesforceSDKCore
import SalesforceRestAPI

public class SalesforceManager : NSObject {
    
    //Define a shared instance for singleton
    static let sharedInstance = SalesforceManager()
    
    let errorDomain = "com.centare.contactforce.salesforcemanager"
    
    var consumerKey:String = ""
    var redirectUrl:String = ""
    
    private override init() {
        super.init()
        //Perform any setup - load the salesforce configuration
        
        SFLogger.setLogLevel(.Debug)
        
        consumerKey = "YOUR-CONSUMER-KEY-HERE"  //Loaded from Configuration class in my example app
        redirectUrl = "YOUR-REDIRECT-URL-HERE"  //Loaded from Configuration class in my example app
    }
    
    //...
}