samples/Sentry.Samples.Ios/AppDelegate.cs

namespace Sentry.Samples.Ios;

[Register("AppDelegate")]
public class AppDelegate : UIApplicationDelegate
{
    public override UIWindow? Window
    {
        get;
        set;
    }

    public override bool FinishedLaunching(UIApplication application, NSDictionary launchOptions)
    {
        // Init the Sentry SDK
        SentrySdk.Init(options =>
        {
            options.Dsn = "https://eb18e953812b41c3aeb042e666fd3b5c@o447951.ingest.sentry.io/5428537";
            options.Debug = true;
            options.TracesSampleRate = 1.0;
            options.ProfilesSampleRate = 1.0;

            // All the native iOS SDK options are available below
            // https://docs.sentry.io/platforms/apple/guides/ios/configuration/
            // Enable Native iOS SDK App Hangs detection
            options.Native.EnableAppHangTracking = true;
        });

        // create a new window instance based on the screen size
        Window = new UIWindow(UIScreen.MainScreen.Bounds);

        // determine the background color for the view (SystemBackground requires iOS >= 13.0)
        var backgroundColor = UIDevice.CurrentDevice.CheckSystemVersion(13, 0)
#pragma warning disable CA1416
            ? UIColor.SystemBackground
#pragma warning restore CA1416
            : UIColor.White;

        // create a UIViewController with a single UILabel
        var vc = new UIViewController();
        vc.View!.AddSubview(new UILabel(Window!.Frame)
        {
            BackgroundColor = backgroundColor,
            TextAlignment = UITextAlignment.Center,
            Text = "Hello, iOS!",
            AutoresizingMask = UIViewAutoresizing.All,
        });
        Window.RootViewController = vc;

        // make the window visible
        Window.MakeKeyAndVisible();


        // Try out the Sentry SDK
        SentrySdk.CaptureMessage("From iOS");

        // Uncomment to try these
        // throw new Exception("Test Unhandled Managed Exception");
        // SentrySdk.CauseCrash(CrashType.Native);

        {
            var tx = SentrySdk.StartTransaction("app", "run");
            var count = 10;
            for (var i = 0; i < count; i++)
            {
                FindPrimeNumber(100000);
            }

            tx.Finish();
        }

        return true;
    }

    private static long FindPrimeNumber(int n)
    {
        int count = 0;
        long a = 2;
        while (count < n)
        {
            long b = 2;
            int prime = 1;// to check if found a prime
            while (b * b <= a)
            {
                if (a % b == 0)
                {
                    prime = 0;
                    break;
                }
                b++;
            }
            if (prime > 0)
            {
                count++;
            }
            a++;
        }
        return (--a);
    }
}