Servicios/ServicioImagen.cs

ServicioImagen.cs

using System;
using System.IO;
using System.Threading.Tasks;

using Xamarin.Essentials;

namespace ICTalkMobileApp.Services
{
    public static class ServicioStorage
    {
        public static async Task<string> SeleccionarFoto()
        {
            var foto = await MediaPicker.PickPhotoAsync(new MediaPickerOptions()
            {
                Title = "Elige una imagen"
            });

            return await CopiarFoto(foto);
        }

        public static async Task<string> TomarFoto()
        {
            if (MediaPicker.IsCaptureSupported)
            {
                var foto = await MediaPicker.CapturePhotoAsync(new MediaPickerOptions()
                {
                    Title = "Toma la foto"
                });

                return await CopiarFoto(foto);
            }

            return string.Empty;
        }

        private static async Task<string> CopiarFoto(FileResult foto)
        {
            if (foto != null)
            {
                var nombreCopia = $"{Guid.NewGuid()}{Path.GetExtension(foto.FileName)}";
                var rutaCopia = Path.Combine(FileSystem.CacheDirectory, nombreCopia);

                using (var stream = await foto.OpenReadAsync())
                {
                    using (var newStream = File.OpenWrite(rutaCopia))
                    {
                        await stream.CopyToAsync(newStream);
                    }
                }

                return rutaCopia;
            }

            return string.Empty;
        }
    }
}