BluetoothDiscoverer Class

public class BluetoothDiscoverer

Public Class BluetoothDiscoverer

public ref class BluetoothDiscoverer

using System;
using System.Collections.Generic;
using Zebra.Sdk.Printer.Discovery;

class BluetoothDiscovererExample {

    public static void Main(string[] args) {
        try {
            Console.WriteLine("Starting printer discovery.");

            BluetoothDiscoveryHandler discoveryHandler = new BluetoothDiscoveryHandler();
            BluetoothDiscoverer.FindPrinters(discoveryHandler);
            while (!discoveryHandler.DiscoveryComplete) {
                System.Threading.Thread.Sleep(10);
            }
        } catch (DiscoveryException e) {
            Console.WriteLine(e.ToString());
        }
    }

    private class BluetoothDiscoveryHandler : DiscoveryHandler {

        private bool discoveryComplete = false;
        List<DiscoveredPrinter> printers = new List<DiscoveredPrinter>();

        public void DiscoveryError(string message) {
            Console.WriteLine($"An error occurred during discovery: {message}.");
            discoveryComplete = true;
        }

        public void DiscoveryFinished() {
            foreach (DiscoveredPrinter printer in printers) {
                Console.WriteLine(printer);
            }
            Console.WriteLine($"Discovered {printers.Count} Bluetooth printers.");
            discoveryComplete = true;
        }

        public void FoundPrinter(DiscoveredPrinter printer) {
            printers.Add(printer);
        }

        public bool DiscoveryComplete {
            get => discoveryComplete;
        }
    }
}

using Android.App;
using Android.OS;
using Android.Views;
using Android.Widget;
using System;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using Zebra.Sdk.Printer.Discovery;

public class BluetoothDiscovererExample : Activity {

    protected override void OnCreate(Bundle savedInstanceState) {
        base.OnCreate(savedInstanceState);

        LinearLayout layout = (LinearLayout)View.Inflate(this, Android.Resource.Layout.ActivityListItem, null);
        layout.Orientation = Orientation.Vertical;

        Button testButton = new Button(this) {
            Text = "Run Bluetooth Discovery Example",
            LayoutParameters = new ViewGroup.LayoutParams(new LinearLayout.LayoutParams(ViewGroup.LayoutParams.WrapContent, ViewGroup.LayoutParams.WrapContent))
        };
        layout.AddView(testButton);

        SetContentView(layout);

        testButton.Click += async (sender, e) => {
            await Task.Run(() => {
                BluetoothDiscoveryHandler discoveryHandler = new BluetoothDiscoveryHandler();
                BluetoothDiscoverer.FindPrinters(ApplicationContext, discoveryHandler);
                while (!discoveryHandler.DiscoveryComplete) {
                    Thread.Sleep(10);
                }

                foreach (DiscoveredPrinter printer in discoveryHandler.DiscoveredPrinters) {
                    Console.WriteLine(printer);
                }
                Console.WriteLine($"Discovered {discoveryHandler.DiscoveredPrinters.Count} Link-OS™ printers.");
            });
        };
    }

    private class BluetoothDiscoveryHandler : DiscoveryHandler {

        public void DiscoveryError(string message) {
            Console.WriteLine($"An error occurred during discovery: {message}.");
            DiscoveryComplete = true;
        }

        public void DiscoveryFinished() {
            DiscoveryComplete = true;
        }

        public void FoundPrinter(DiscoveredPrinter printer) {
            DiscoveredPrinters.Add(printer);
        }

        public bool DiscoveryComplete { get; private set; } = false;

        public List<DiscoveredPrinter> DiscoveredPrinters { get; } = new List<DiscoveredPrinter>();
    }
}

using CoreGraphics;
using System;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using UIKit;
using Zebra.Sdk.Printer.Discovery;

public class BluetoothDiscovererExample : UIViewController {

    public BluetoothDiscovererExample(IntPtr handle) : base(handle) {
        UIButton testButton = new UIButton(UIButtonType.System) {
            Frame = new CGRect(25, 25, 300, 150)
        };

        testButton.SetTitle("Run Bluetooth Discovery Example", UIControlState.Normal);

        testButton.TouchUpInside += async (sender, e) => {
            await Task.Run(() => {
                BluetoothDiscoveryHandler discoveryHandler = new BluetoothDiscoveryHandler();
                BluetoothDiscoverer.FindPrinters(discoveryHandler);
                while (!discoveryHandler.DiscoveryComplete) {
                    Thread.Sleep(10);
                }

                foreach (DiscoveredPrinter printer in discoveryHandler.DiscoveredPrinters) {
                    Console.WriteLine(printer);
                }
                Console.WriteLine($"Discovered {discoveryHandler.DiscoveredPrinters.Count} Link-OS™ printers.");
            });
        };

        View.AddSubview(testButton);
    }

    private class BluetoothDiscoveryHandler : DiscoveryHandler {

        public void DiscoveryError(string message) {
            Console.WriteLine($"An error occurred during discovery: {message}.");
            DiscoveryComplete = true;
        }

        public void DiscoveryFinished() {
            DiscoveryComplete = true;
        }

        public void FoundPrinter(DiscoveredPrinter printer) {
            DiscoveredPrinters.Add(printer);
        }

        public bool DiscoveryComplete { get; private set; } = false;

        public List<DiscoveredPrinter> DiscoveredPrinters { get; } = new List<DiscoveredPrinter>();
    }
}