AppDelegate.cs

using Foundation;
using UIKit;

namespace CSharpMath.Ios.Example {
  // The UIApplicationDelegate for the application.
  // This class is responsible for launching the User Interface of the application, 
  // as well as listening (and optionally responding) to application events from iOS.
  [Register("AppDelegate")]
  public class AppDelegate : UIApplicationDelegate {
    public override bool FinishedLaunching
      (UIApplication application, NSDictionary launchOptions) {
      Window = new UIWindow { RootViewController = new IosMathViewController() };
      return true;
    }
    public override void OnResignActivation(UIApplication application) {
      // Invoked when the application is about to move from active to inactive state.
      // This can occur for certain types of temporary interruptions
      // (such as an incoming phone call or SMS message) or when the user
      // quits the application and it begins the transition to the background state.
      // Games should use this method to pause the game.
    }
    public override void DidEnterBackground(UIApplication application) {
      // Use this method to release shared resources, save user data,
      // invalidate timers and store the application state.
      // If your application supports background exection this method
      // is called instead of WillTerminate when the user quits.
    }
    public override void WillEnterForeground(UIApplication application) {
      // Called as part of the transiton from background to active state.
      // Here you can undo many of the changes made on entering the background.
    }
    public override void OnActivated(UIApplication application) {
      // Restart any tasks that were paused (or not yet started)
      // while the application was inactive. 
      // If the application was previously in the background,
      // optionally refresh the user interface.
    }
    public override void WillTerminate(UIApplication application) {
      // Called when the application is about to terminate.
      // Save data, if needed. See also DidEnterBackground.
    }
  }
}