RadImageEditor with Remove BG API Tool

MainPage.xaml

<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             xmlns:ie="clr-namespace:Telerik.XamarinForms.ImageEditor;assembly=Telerik.XamarinForms.ImageEditor"
             x:Class="ImageEditorTools.Portable.MainPage" 
             BackgroundColor="LightGray">

    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition />
            <RowDefinition Height="Auto" />
        </Grid.RowDefinitions>

        <ie:RadImageEditor x:Name="Editor"
                           Source="cat4.jpeg"
                           BackgroundColor="Transparent"/>

            <ie:RadImageEditorToolbar ImageEditor="{x:Reference Editor}"
                                  AutoGenerateItems="False"
                                  Grid.Row="1">
            <ie:CommandToolbarItem Text="Remove BG"
                                   Tapped="RemoveBackground_Clicked" />
            <ie:CommandToolbarItem Text="Save"
                                   Tapped="Save_Clicked" />
            <ie:UndoToolbarItem />
            <ie:RedoToolbarItem />
        </ie:RadImageEditorToolbar>
    </Grid>
</ContentPage>

MainPage.xaml.cs

using System;
using System.Diagnostics;
using System.IO;
using System.Net.Http;
using System.Threading.Tasks;
using Telerik.XamarinForms.ImageEditor;
using Xamarin.Forms;

namespace ImageEditorTools.Portable
{
    public partial class MainPage : ContentPage
    {
        public MainPage()
        {
            InitializeComponent();
        }

        private async void Save_Clicked(object sender, EventArgs e)
        {
            await SaveToPicturesFolderAsync();
        }

        private async void RemoveBackground_Clicked(object sender, EventArgs e)
        {
            await RemoveBackgroundAsync();
        }

        private async Task RemoveBackgroundAsync()
        {
            var folderPath = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
            var tempFilePath = Path.Combine(folderPath, "temp_image.jpeg");

            using (var tempFileStream = File.OpenWrite(tempFilePath))
            {
                await this.Editor.SaveAsync(tempFileStream, ImageFormat.Jpeg, 0.9);
            }

            using (var formData = new MultipartFormDataContent())
            {
                // Get Your API Key here https://www.remove.bg/api
                var apiKey = "YOUR_API_KEY_HERE";

                formData.Headers.Add("X-Api-Key", apiKey);
                formData.Add(new ByteArrayContent(File.ReadAllBytes(tempFilePath)), "image_file", "file.jpg");
                formData.Add(new StringContent("auto"), "size");

                using(var client = new HttpClient())
                using (var response = await client.PostAsync("https://api.remove.bg/v1.0/removebg", formData))
                {
                    if (response.IsSuccessStatusCode)
                    {
                        var noBgFilePath = Path.Combine(folderPath, "no-bg_image.jpg");

                        using (var fileStream = File.OpenWrite(noBgFilePath))
                        {
                            await response.Content.CopyToAsync(fileStream);
                        }

                        Editor.Source = new FileImageSource { File = noBgFilePath };
                    }
                    else
                    {
                        Debug.WriteLine("Error: " + response.Content.ReadAsStringAsync().Result);
                    }
                }
            }
        }

        private async Task SaveToPicturesFolderAsync()
        {
            var folderPath = Environment.GetFolderPath(Environment.SpecialFolder.MyPictures);

            using (var fileStream = File.OpenWrite(Path.Combine(folderPath, "ImageEditor_Final.jpeg")))
            {
                await this.Editor.SaveAsync(fileStream, ImageFormat.Jpeg, 0.9);
            }
        }
    } 
}