void UpdateAllColors()
{
// TODO: Fix this once Google implements the new way.
// Right now, copy what is done with the activity indicator.
Color progressColor = Element.ProgressColor;
Color backgroundColor = Element.BackgroundColor;
if (progressColor.IsDefault)
{
if (backgroundColor.IsDefault)
{
// reset everything to defaults
_colorScheme = new BasicColorScheme(
_defaultColorScheme.PrimaryColor,
_defaultColorScheme.PrimaryLightColor,
_defaultColorScheme.PrimaryColor);
}
else
{
// handle the case where only the background is set
var background = backgroundColor.ToUIColor();
// TODO: Potentially override background alpha to match material design.
// TODO: Potentially override primary color to match material design.
_colorScheme = new BasicColorScheme(
_defaultColorScheme.PrimaryColor,
background,
_defaultColorScheme.PrimaryColor);
}
}
else if (!progressColor.IsDefault)
{
if (backgroundColor.IsDefault)
{
// handle the case where only the progress is set
var progress = progressColor.ToUIColor();
_colorScheme = new BasicColorScheme(
progress,
progress.ColorWithAlpha(BackgroundAlpha),
progress);
}
else
{
// handle the case where both are set
var background = backgroundColor.ToUIColor();
var progress = progressColor.ToUIColor();
// TODO: Potentially override alpha to match material design.
_colorScheme = new BasicColorScheme(
progress,
background,
progress);
}
}
}
void UpdateAllColors()
{
Color progressColor = Element.ProgressColor;
Color backgroundColor = Element.BackgroundColor;
if (progressColor.IsDefault)
{
if (backgroundColor.IsDefault)
{
// reset everything to defaults
_colorScheme = new BasicColorScheme(
_defaultColorScheme.PrimaryColor,
_defaultColorScheme.PrimaryLightColor,
_defaultColorScheme.PrimaryColor);
}
else
{
// handle the case where only the background is set
var background = backgroundColor.ToUIColor();
_colorScheme = new BasicColorScheme(
_defaultColorScheme.PrimaryColor,
background,
_defaultColorScheme.PrimaryColor);
}
}
else if (!progressColor.IsDefault)
{
if (backgroundColor.IsDefault)
{
// handle the case where only the progress is set
var progress = progressColor.ToUIColor();
progress.GetRGBA(out _, out _, out _, out var alpha);
_colorScheme = new BasicColorScheme(
progress,
progress.ColorWithAlpha(alpha * MaterialColors.SliderTrackAlpha),
progress);
}
else
{
// handle the case where both are set
var background = backgroundColor.ToUIColor();
var progress = progressColor.ToUIColor();
_colorScheme = new BasicColorScheme(
progress,
background,
progress);
}
}
}
protected override void OnElementChanged(ElementChangedEventArgs <ProgressBar> e)
{
_colorScheme?.Dispose();
_colorScheme = CreateColorScheme();
base.OnElementChanged(e);
if (e.NewElement != null)
{
if (Control == null)
{
_defaultColorScheme = CreateColorScheme();
SetNativeControl(CreateNativeControl());
}
UpdateProgressColor();
UpdateProgress();
ApplyTheme();
}
}
