async void OnButtonClickedChoosePhotos(object sender, EventArgs e)
{
IPicturePicker picturePicker = DependencyService.Get <IPicturePicker>();
using (Stream stream = await picturePicker.GetImageStreamAsync())
{
if (stream != null)
{
loadBitMap = true;
using (MemoryStream memStream = new MemoryStream())
{
stream.CopyTo(memStream);
memStream.Seek(0, SeekOrigin.Begin);
using (SKManagedStream skStream = new SKManagedStream(memStream))
{
bitMap = SKBitmap.Decode(skStream);
}
}
}
else
{
loadBitMap = false;
}
}
CallImageActionTools();
}
async Task ExecuteSelectMedia()
{
var stream = await picturePicker.GetImageStreamAsync();
SelectedImage = ImageSource.FromStream(() => stream); //I'm just reading Image, We might have video as well, need to check.
//These commented lines applied portrait lock on the NextPage, Here on WelcomePage.
//MessagingCenter.Send<string>(AppOrientation.Portrait.ToString(), "mode");
//await NavigationService.NavigateAsync("WelcomePage");
}
public async void PickNewImage()
{
Stream stream = await picturePicker.GetImageStreamAsync();
if (stream != null)
{
Image image = new Image
{
Source = ImageSource.FromStream(() => stream),
BackgroundColor = Color.Gray
};
var abc = 1;
}
else
{
Console.WriteLine("Stream was null");
}
}
public BasicBitmapsPage()
{
Title = "Basic Bitmaps";
canvasView = new SKCanvasView();
canvasView.PaintSurface += OnCanvasViewPaintSurface;
Content = canvasView;
// Load web bitmap.
Uri uri = new Uri("http://developer.xamarin.com/demo/IMG_3256.JPG?width=480");
WebRequest request = WebRequest.Create(uri);
request.BeginGetResponse((IAsyncResult arg) =>
{
try
{
using (Stream stream = request.EndGetResponse(arg).GetResponseStream())
using (MemoryStream memStream = new MemoryStream())
{
stream.CopyTo(memStream);
memStream.Seek(0, SeekOrigin.Begin);
using (SKManagedStream skStream = new SKManagedStream(memStream))
{
webBitmap = SKBitmap.Decode(skStream);
}
}
}
catch
{
}
Device.BeginInvokeOnMainThread(() => canvasView.InvalidateSurface());
}, null);
// Load resource bitmap
string resourceID = "SkiaSharpFormsDemos.Media.monkey.png";
Assembly assembly = GetType().GetTypeInfo().Assembly;
using (Stream stream = assembly.GetManifestResourceStream(resourceID))
using (SKManagedStream skStream = new SKManagedStream(stream))
{
resourceBitmap = SKBitmap.Decode(skStream);
}
// Add tap gesture recognizer
TapGestureRecognizer tapRecognizer = new TapGestureRecognizer();
tapRecognizer.Tapped += async(sender, args) =>
{
// Load bitmap from photo library
IPicturePicker picturePicker = DependencyService.Get <IPicturePicker>();
using (Stream stream = await picturePicker.GetImageStreamAsync())
{
if (stream != null)
{
using (MemoryStream memStream = new MemoryStream())
{
stream.CopyTo(memStream);
memStream.Seek(0, SeekOrigin.Begin);
using (SKManagedStream skStream = new SKManagedStream(memStream))
{
libraryBitmap = SKBitmap.Decode(skStream);
}
}
canvasView.InvalidateSurface();
}
}
};
canvasView.GestureRecognizers.Add(tapRecognizer);
}