sharee.bike-App/TINK/TINK.Android/Model/Device/Device.cs

using TINK.Model.Device;
using Xamarin.Essentials;
using Xamarin.Forms;

[assembly: Dependency(typeof(TINK.Droid.Model.Device.Device))]
namespace TINK.Droid.Model.Device
{
    public class Device : ISmartDevice
    {
        public string Manufacturer => DeviceInfo.Manufacturer;

        public string Model => DeviceInfo.Model;

        public string PlatformText => DeviceInfo.Platform.ToString();

        public string VersionText => DeviceInfo.VersionString;

        /// <summary> Gets unitque device identifier. </summary>
        /// <returns>Gets the identifies specifying device.</returns>
        public string Identifier
            => Android.Provider.Settings.Secure.GetString(Android.App.Application.Context.ContentResolver, Android.Provider.Settings.Secure.AndroidId);
    }
}