void ApplyMaxTrackTintColor(string propertyName, bool forceApply = false)
{
// We always want to force the application of the MaxTrackTintColor if we're running an API that is older
// than Marshmallow and we're also using the AppCompat library so the track color will be appropriately
// clamped.
forceApply = forceApply ||
(Android.OS.Build.VERSION.SdkInt < Android.OS.BuildVersionCodes.M &&
XFGloss.Droid.Library.UsingAppCompat);
if (propertyName == null ||
propertyName == SliderGloss.MaxTrackTintColorProperty.PropertyName ||
forceApply)
{
var maxTrackTintColor = (Color)Element.GetValue(SliderGloss.MaxTrackTintColorProperty);
// Skip assigning anything if all properties are being applied and the color is set to the default value
if (propertyName != null || maxTrackTintColor != Color.Default || forceApply)
{
if (maxTrackTintColor != Color.Default)
{
maxTrackTintColor = new Color(maxTrackTintColor.R, maxTrackTintColor.G, maxTrackTintColor.B, 0.3);
}
var aMaxTrackTintColor =
(maxTrackTintColor == Color.Default) ?
ThemeUtil.IntToColor(ThemeUtil.ColorControlNormal(Control.Context,
ThemeUtil.DefaultColorControlTrack)) :
maxTrackTintColor.ToAndroid();
if (!XFGloss.Droid.Library.UsingAppCompat || XFGloss.Droid.Library.UsingAppCompatAlpha)
{
// Clamp the track tint colors to 30% opacity - API 24 automatically does this. AppCompat doesn't.
aMaxTrackTintColor = new AColor(aMaxTrackTintColor.R,
aMaxTrackTintColor.G,
aMaxTrackTintColor.B,
(byte)77);
}
if (Android.OS.Build.VERSION.SdkInt >= Android.OS.BuildVersionCodes.Lollipop)
{
// FYI: Lollipop (API 21) has the ProgressBackgroundTintList implemented but it is broken.
// Assigning a value to the property has no effect on API 21. It works as expected on API 22+.
Control.ProgressBackgroundTintList = ColorStateList.ValueOf(aMaxTrackTintColor);
}
else if (XFGloss.Droid.Library.UsingAppCompat)
{
ThemeUtil.SetLayerTint(Control.ProgressDrawable as LayerDrawable, 0, aMaxTrackTintColor);
}
else
{
Console.WriteLine(XFGloss.Droid.Library.appCompatWarning);
}
}
}
}
/// <summary>
/// Internal method used to do the work on behalf of the UpdateColorProperty extension method for both
/// XFGlossSwitchExtensions and XFGlossSwitchCompatExtensions
/// </summary>
/// <param name="control">Control.</param>
/// <param name="properties">Properties.</param>
/// <param name="propertyName">Property name.</param>
/// <typeparam name="TControl">The 1st type parameter.</typeparam>
static void ApplyColorProperty <TControl>(TControl control, ISwitchGloss properties, string propertyName)
{
// We have to create a multiple state color list to set both the "off" and "on" (checked/unchecked)
// states of the switch control.
bool isSwitch = Android.OS.Build.VERSION.SdkInt >= Android.OS.BuildVersionCodes.M &&
control is ASwitch;
bool isSwitchCompat = !isSwitch &&
XFGloss.Droid.Library.UsingAppCompat &&
control is ASwitchCompat;
Android.Content.Context controlContext = (isSwitch) ? (control as ASwitch).Context :
(isSwitchCompat) ? (control as ASwitchCompat).Context :
null;
int[][] states = new int[2][];
int[] colors = new int[2];
if (propertyName == null ||
propertyName == SwitchGloss.TintColorProperty.PropertyName ||
propertyName == SwitchGloss.OnTintColorProperty.PropertyName)
{
var tintColor = properties.TintColor;
var onTintColor = properties.OnTintColor;
// Skip assigning anything if all properties are being applied and the color is set to the default value
if (isSwitchCompat || propertyName != null || tintColor != Color.Default || onTintColor != Color.Default)
{
var aTintColor = (tintColor != Color.Default) ?
tintColor.ToAndroid() :
new AColor(ThemeUtil.ColorControlNormal(controlContext,
ThemeUtil.DefaultColorControlTrack));
var aOnTintColor = (onTintColor != Color.Default) ?
onTintColor.ToAndroid() :
new AColor(ThemeUtil.ColorControlActivated(controlContext,
ThemeUtil.DefaultColorControlTrackActivated));
// Clamp the track tint colors to 30% opacity - API 24 automatically does this. AppCompat doesn't.
if (isSwitchCompat && XFGloss.Droid.Library.UsingAppCompatAlpha)
{
aTintColor = new AColor(aTintColor.R, aTintColor.G, aTintColor.B, (byte)77);
aOnTintColor = new AColor(aOnTintColor.R, aOnTintColor.G, aOnTintColor.B, (byte)77);
}
states[0] = new int[] { -Android.Resource.Attribute.StateChecked };
colors[0] = aTintColor;
states[1] = new int[] { Android.Resource.Attribute.StateChecked };
colors[1] = aOnTintColor;
var colorList = new ColorStateList(states, colors);
if (isSwitch)
{
(control as ASwitch).TrackTintList = colorList;
}
else if (isSwitchCompat)
{
DrawableCompat.SetTintList((control as ASwitchCompat).TrackDrawable, colorList);
}
else
{
Console.WriteLine(XFGloss.Droid.Library.appCompatWarning);
}
}
}
if (propertyName == null ||
propertyName == SwitchGloss.ThumbTintColorProperty.PropertyName ||
propertyName == SwitchGloss.ThumbOnTintColorProperty.PropertyName)
{
var thumbTintColor = properties.ThumbTintColor;
var thumbOnTintColor = properties.ThumbOnTintColor;
// Skip assigning anything if all properties are being applied and the color is set to the default value
if (propertyName != null || thumbTintColor != Color.Default || thumbOnTintColor != Color.Default)
{
states[0] = new int[] { -Android.Resource.Attribute.StateChecked };
colors[0] = (thumbTintColor != Color.Default) ?
thumbTintColor.ToAndroid() :
ThemeUtil.DefaultColorControlThumb;
states[1] = new int[] { Android.Resource.Attribute.StateChecked };
colors[1] = (thumbOnTintColor != Color.Default) ?
thumbOnTintColor.ToAndroid() :
new AColor(ThemeUtil.ColorControlActivated(controlContext,
ThemeUtil.DefaultColorControlThumbActivated));
var colorList = new ColorStateList(states, colors);
if (isSwitch)
{
(control as ASwitch).ThumbTintList = colorList;
}
else if (isSwitchCompat)
{
DrawableCompat.SetTintList((control as ASwitchCompat).ThumbDrawable, colorList);
}
else
{
Console.WriteLine(XFGloss.Droid.Library.appCompatWarning);
}
}
}
}