protected override void OnElementChanged(ElementChangedEventArgs <Slider> e)
{
base.OnElementChanged(e);
if (Control != null)
{
base.OnElementChanged(e);
if (e.NewElement != null)
{
Control.ProgressDrawable.SetColorFilter(
new PorterDuffColorFilter(
Xamarin.Forms.Color.FromHex("#F50F76").ToAndroid(),
PorterDuff.Mode.SrcIn));
// Set Progress bar Thumb color
Control.Thumb.SetColorFilter(
Xamarin.Forms.Color.FromHex("#F50F76").ToAndroid(),
PorterDuff.Mode.SrcIn);
//Change height
GradientDrawable p = new GradientDrawable();
p.SetCornerRadius(20);
p.SetColor(0x70b23f);
ClipDrawable progress = new ClipDrawable(p, GravityFlags.Left, ClipDrawableOrientation.Horizontal);
GradientDrawable background = new GradientDrawable();
background.SetColor(0xe0e0e0);
background.SetCornerRadius(20);
LayerDrawable pd = new LayerDrawable(new Drawable[] { background, progress });
Control.SetProgressDrawableTiled(pd);
}
}
}
protected override void OnElementChanged(ElementChangedEventArgs <Slider> e)
{
base.OnElementChanged(e);
if (Control != null)
{
var customSlider = (CustomSlider)Element;
if (customSlider.ThumbColor != Xamarin.Forms.Color.Transparent)
{
Control.Thumb.SetColorFilter(customSlider.ThumbColor.ToAndroid(), PorterDuff.Mode.SrcIn);
}
BuildVersionCodes androidVersion = Build.VERSION.SdkInt;
if (androidVersion >= BuildVersionCodes.M)
{
var trackCornerRadius = DpToPixels(customSlider.TrackCornerRadius);
var trackHeight = DpToPixels(customSlider.TrackHeight);
var progressGradientDrawable = new GradientDrawable(GradientDrawable.Orientation.LeftRight, new int[] { customSlider.ActiveTrackColor.ToAndroid(), customSlider.ActiveTrackColor.ToAndroid() });
progressGradientDrawable.SetCornerRadius(trackCornerRadius);
var progress = new ClipDrawable(progressGradientDrawable, GravityFlags.Left, ClipDrawableOrientation.Horizontal);
var background = new GradientDrawable();
background.SetColor(customSlider.InactiveTrackColor.ToAndroid());
background.SetCornerRadius(trackCornerRadius);
var progressDrawable = new LayerDrawable(new Drawable[] { background, progress });
progressDrawable.SetLayerHeight(0, (int)trackHeight);
progressDrawable.SetLayerHeight(1, (int)trackHeight);
progressDrawable.SetLayerGravity(0, GravityFlags.CenterVertical);
progressDrawable.SetLayerGravity(1, GravityFlags.CenterVertical);
Control.ProgressDrawable = progressDrawable;
}
else
{
Element.MinimumTrackColor = customSlider.ActiveTrackColor;
Control.SecondaryProgressTintList = ColorStateList.ValueOf(customSlider.InactiveTrackColor.ToAndroid());
Control.SecondaryProgressTintMode = PorterDuff.Mode.SrcIn;
Control.SecondaryProgress = int.MaxValue;
}
Control.SetPadding(52, Control.PaddingTop, 52, Control.PaddingBottom);
if (customSlider.UserInteractionEnabled)
{
Control.SplitTrack = true;
Control.Thumb.Mutate().SetAlpha(255);
}
else
{
Control.SplitTrack = false;
Control.Thumb.Mutate().SetAlpha(0);
Control.Enabled = false;
}
}
}
protected override void OnElementChanged(ElementChangedEventArgs <Xamarin.Forms.Slider> e)
{
base.OnElementChanged(e);
if (Control != null)
{
//convert details from CustomGradientSlider to android values
var slider = Element as CustomGradientSlider;
var startColor = slider.StartColor.ToAndroid();
var centerColor = slider.CenterColor.ToAndroid();
var endColor = slider.EndColor.ToAndroid();
var cornerRadiusInPx = ((float)slider.CornerRadius).DpToPixels(Context);
var heightPx = ((float)slider.HeightRequest).DpToPixels(Context);
//create minimum track
var p = new GradientDrawable(GradientDrawable.Orientation.LeftRight, new int[] { startColor, centerColor, endColor });
p.SetCornerRadius(cornerRadiusInPx);
var progress = new ClipDrawable(p, GravityFlags.Left, ClipDrawableOrientation.Horizontal);
//create maximum track
var background = new GradientDrawable();
background.SetColor(Element.MaximumTrackColor.ToAndroid());
background.SetCornerRadius(cornerRadiusInPx);
var pd = new LayerDrawable(new Drawable[] { background, progress });
pd.SetLayerHeight(0, (int)heightPx);
pd.SetLayerHeight(1, (int)heightPx);
Control.ProgressDrawable = pd;
}
}
/* private void ShowCrashReport(UncaughtExceptionLogEntry uncaughtError)
* {
* var dialog = new CrashReportDialog(this);
* dialog.OnClose += delegate { Resolve<IDatabase>().DeleteAll(typeof (UncaughtExceptionLogEntry)); };
* dialog.Show(uncaughtError);
* }*/
private void SetupLoginButton()
{
loginButton = FindViewById <Button>(Resource.Id.login);
loginButtonText = loginButton.Text;
var layer = (LayerDrawable)loginButton.Background;
progress = (ClipDrawable)layer.GetDrawable(1);
}
public static void SetTheme(SeekBar seekBar, FlatTheme theme)
{
// setting thumb
var thumb = new PaintDrawable(theme.DarkAccentColor);
thumb.SetCornerRadius(15);
thumb.SetIntrinsicWidth(30);
thumb.SetIntrinsicHeight(30);
seekBar.SetThumb(thumb);
// progress
var progress = new PaintDrawable(theme.BackgroundColor);
progress.SetCornerRadius(10);
progress.SetIntrinsicHeight(10);
progress.SetIntrinsicWidth(5);
progress.SetDither(true);
var progressClip = new ClipDrawable(progress, GravityFlags.Left, ClipDrawableOrientation.Horizontal);
// secondary progress
var secondary = new PaintDrawable(theme.LightAccentColor);
secondary.SetCornerRadius(10);
secondary.SetIntrinsicHeight(10);
var secondaryProgressClip = new ClipDrawable(secondary, GravityFlags.Left, ClipDrawableOrientation.Horizontal);
// background
PaintDrawable background = new PaintDrawable(theme.VeryLightAccentColor);
background.SetCornerRadius(10);
background.SetIntrinsicHeight(10);
// applying drawable
LayerDrawable ld = (LayerDrawable)seekBar.ProgressDrawable;
ld.SetDrawableByLayerId(Android.Resource.Id.Background, background);
ld.SetDrawableByLayerId(Android.Resource.Id.Progress, progressClip);
ld.SetDrawableByLayerId(Android.Resource.Id.SecondaryProgress, secondaryProgressClip);
}
