Making screen capture in xamarin.forms

Question

Is there a package that does screen capture in xamarin.forms ?

I need also to capture google maps screen shots

Answer 1

Implementation for UWP

public async Task CaptureAsync()
{
    //create and capture Window
    var renderTargetBitmap = new RenderTargetBitmap();
    await renderTargetBitmap.RenderAsync(Window.Current.Content);

    var pixelpuffer = await renderTargetBitmap.GetPixelsAsync();
    var logicalDpi = DisplayInformation.GetForCurrentView().LogicalDpi;

    IRandomAccessStream stream = new InMemoryRandomAccessStream();
    BitmapEncoder encoder = await BitmapEncoder.CreateAsync(BitmapEncoder.PngEncoderId, stream);
    encoder.BitmapTransform.InterpolationMode = BitmapInterpolationMode.Fant;
    encoder.SetPixelData(BitmapPixelFormat.Bgra8, BitmapAlphaMode.Straight, (uint)renderTargetBitmap.PixelWidth, (uint)renderTargetBitmap.PixelHeight, logicalDpi, logicalDpi, pixelpuffer.ToArray());
    await encoder.FlushAsync();
    byte[] resultingBuffer = new byte[stream.Size];

    await stream.ReadAsync(resultingBuffer.AsBuffer(), (uint)resultingBuffer.Length, InputStreamOptions.None);

    return resultingBuffer;

}