protected async override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.Main);
var btnFetchImage = FindViewById <Button> (Resource.Id.btnFetchImage);
btnFetchImage.Click += (sender, e) => {
var p = new Palette.Builder(bitmapFoundation)
.Generate();
RunOnUiThread(() => SetPalette(p));
};
bitmapFoundation = await BitmapFactory.DecodeResourceAsync(Resources, Resource.Drawable.viva);
}
public void Colorize(Bitmap bitmap)
{
Palette palette = new Palette.Builder(bitmap).Generate();
ApplyPalette(palette);
}
public void Colorize (Bitmap bitmap)
{
Palette palette = new Palette.Builder (bitmap).Generate ();
ApplyPalette (palette);
}
public async System.Threading.Tasks.Task <ThemeColors> GetColorAsync(ImageSource imageSource)
{
IImageSourceHandler handler;
ThemeColors themeColors = new ThemeColors();
if (imageSource is FileImageSource)
{
handler = new FileImageSourceHandler();
}
else if (imageSource is StreamImageSource)
{
handler = new StreamImagesourceHandler(); // sic
}
else if (imageSource is UriImageSource)
{
handler = new ImageLoaderSourceHandler(); // sic
}
else
{
return(themeColors);
}
var bitmap = await handler.LoadImageAsync(imageSource, Android.App.Application.Context);
if (bitmap == null)
{
return(themeColors);
}
Palette.Builder builder = Palette.From(bitmap);
Palette palette = builder.Generate();
Swatch swatch = null;
if (palette.VibrantSwatch != null)
{
swatch = palette.VibrantSwatch;
}
else if (palette.LightVibrantSwatch != null)
{
swatch = palette.LightVibrantSwatch;
}
else if (palette.LightMutedSwatch != null)
{
swatch = palette.LightMutedSwatch;
}
else if (palette.DarkVibrantSwatch != null)
{
swatch = palette.DarkVibrantSwatch;
}
else if (palette.DarkMutedSwatch != null)
{
swatch = palette.DarkMutedSwatch;
}
int bgcolor = 0, textcolor = 0, titltcolor = 0;
if (swatch != null)
{
bgcolor = swatch.Rgb;
textcolor = swatch.BodyTextColor;
titltcolor = swatch.TitleTextColor;
}
themeColors.SetColor(bgcolor, textcolor, titltcolor);
return(themeColors);
}
