private void Update(Color color)
{
innerPaint.Color = color;
outerPaint.Color = color;
Drawable selector = CreateSelector(color);
if (Build.VERSION.SdkInt >= BuildVersionCodes.Lollipop)
{
int[][] states = new int[][]{
new int[]{
Android.Resource.Attribute.StatePressed
}
};
int[] colors = new int[]{
ShiftColorUp(color)
};
ColorStateList rippleColors = new ColorStateList(states, colors);
Foreground = new RippleDrawable(rippleColors, selector, null);
}
else
{
Foreground = selector;
}
}
public void UpdateDrawable()
{
if (_button == null || _nativeButton == null)
{
return;
}
bool cornerRadiusIsDefault = !_button.IsSet(Button.CornerRadiusProperty) || (_button.CornerRadius == (int)Button.CornerRadiusProperty.DefaultValue || _button.CornerRadius == ButtonDrawable.DefaultCornerRadius);
bool backgroundColorIsDefault = !_button.IsSet(VisualElement.BackgroundColorProperty) || _button.BackgroundColor == (Color)VisualElement.BackgroundColorProperty.DefaultValue;
bool borderColorIsDefault = !_button.IsSet(Button.BorderColorProperty) || _button.BorderColor == (Color)Button.BorderColorProperty.DefaultValue;
bool borderWidthIsDefault = !_button.IsSet(Button.BorderWidthProperty) || _button.BorderWidth == (double)Button.BorderWidthProperty.DefaultValue;
if (backgroundColorIsDefault &&
cornerRadiusIsDefault &&
borderColorIsDefault &&
borderWidthIsDefault)
{
if (!_drawableEnabled)
{
return;
}
if (_defaultDrawable != null)
{
_nativeButton.SetBackground(_defaultDrawable);
}
_drawableEnabled = false;
}
else
{
if (_backgroundDrawable == null)
{
_backgroundDrawable = new ButtonDrawable(_nativeButton.Context.ToPixels, Forms.GetColorButtonNormal(_nativeButton.Context));
}
_backgroundDrawable.Button = _button;
var useDefaultPadding = _button.OnThisPlatform().UseDefaultPadding();
int paddingTop = useDefaultPadding ? _nativeButton.PaddingTop : 0;
int paddingLeft = useDefaultPadding ? _nativeButton.PaddingLeft : 0;
var useDefaultShadow = _button.OnThisPlatform().UseDefaultShadow();
float shadowRadius = useDefaultShadow ? 2 : _nativeButton.ShadowRadius;
float shadowDx = useDefaultShadow ? 0 : _nativeButton.ShadowDx;
float shadowDy = useDefaultShadow ? 4 : _nativeButton.ShadowDy;
AColor shadowColor = useDefaultShadow ? _backgroundDrawable.PressedBackgroundColor.ToAndroid() : _nativeButton.ShadowColor;
_backgroundDrawable.SetPadding(paddingTop, paddingLeft)
.SetShadow(shadowDy, shadowDx, shadowColor, shadowRadius);
if (_drawableEnabled)
{
return;
}
if (_defaultDrawable == null)
{
_defaultDrawable = _nativeButton.Background;
}
if (Forms.IsLollipopOrNewer)
{
var rippleColor = _backgroundDrawable.PressedBackgroundColor.ToAndroid();
_rippleDrawable = new RippleDrawable(ColorStateList.ValueOf(rippleColor), _backgroundDrawable, null);
_nativeButton.SetBackground(_rippleDrawable);
}
else
{
_nativeButton.SetBackground(_backgroundDrawable);
}
_drawableEnabled = true;
}
_nativeButton.Invalidate();
}
public void UpdateDrawable()
{
if (_button == null || _nativeButton == null)
{
return;
}
bool cornerRadiusIsDefault = !_button.IsSet(Button.CornerRadiusProperty) || (_button.CornerRadius == (int)Button.CornerRadiusProperty.DefaultValue || _button.CornerRadius == ButtonDrawable.DefaultCornerRadius);
bool backgroundColorIsDefault = !_button.IsSet(VisualElement.BackgroundColorProperty) || _button.BackgroundColor == (Color)VisualElement.BackgroundColorProperty.DefaultValue;
bool borderColorIsDefault = !_button.IsSet(Button.BorderColorProperty) || _button.BorderColor == (Color)Button.BorderColorProperty.DefaultValue;
bool borderWidthIsDefault = !_button.IsSet(Button.BorderWidthProperty) || _button.BorderWidth == (double)Button.BorderWidthProperty.DefaultValue;
if (backgroundColorIsDefault &&
cornerRadiusIsDefault &&
borderColorIsDefault &&
borderWidthIsDefault)
{
if (!_drawableEnabled)
{
return;
}
if (_defaultDrawable != null)
{
_nativeButton.SetBackground(_defaultDrawable);
}
_drawableEnabled = false;
}
else
{
if (_backgroundDrawable == null)
{
_backgroundDrawable = new ButtonDrawable(_nativeButton.Context.ToPixels, Forms.GetColorButtonNormal(_nativeButton.Context));
}
_backgroundDrawable.Button = _button;
var useDefaultPadding = _button.OnThisPlatform().UseDefaultPadding();
int paddingTop = useDefaultPadding ? _nativeButton.PaddingTop : 0;
int paddingLeft = useDefaultPadding ? _nativeButton.PaddingLeft : 0;
var useDefaultShadow = _button.OnThisPlatform().UseDefaultShadow();
// Use no shadow by default for API < 16
float shadowRadius = 0;
float shadowDy = 0;
float shadowDx = 0;
AColor shadowColor = Color.Transparent.ToAndroid();
// Add Android's default material shadow if we want it
if (useDefaultShadow)
{
shadowRadius = 2;
shadowDy = 4;
shadowDx = 0;
shadowColor = _backgroundDrawable.PressedBackgroundColor.ToAndroid();
}
// Otherwise get values from the control (but only for supported APIs)
else if ((int)Build.VERSION.SdkInt >= 16)
{
shadowRadius = _nativeButton.ShadowRadius;
shadowDy = _nativeButton.ShadowDy;
shadowDx = _nativeButton.ShadowDx;
shadowColor = _nativeButton.ShadowColor;
}
_backgroundDrawable.SetPadding(paddingTop, paddingLeft)
.SetShadow(shadowDy, shadowDx, shadowColor, shadowRadius);
if (_drawableEnabled)
{
return;
}
if (_defaultDrawable == null)
{
_defaultDrawable = _nativeButton.Background;
}
if (Forms.IsLollipopOrNewer)
{
var rippleColor = _backgroundDrawable.PressedBackgroundColor.ToAndroid();
_rippleDrawable = new RippleDrawable(ColorStateList.ValueOf(rippleColor), _backgroundDrawable, null);
_nativeButton.SetBackground(_rippleDrawable);
}
else
{
_nativeButton.SetBackground(_backgroundDrawable);
}
_drawableEnabled = true;
}
_nativeButton.Invalidate();
}
void RemoveRipple()
{
_viewOverlay.Foreground = null;
_ripple?.Dispose();
_ripple = null;
}
private void SetBackgroundCompat (Drawable drawable)
{
if (HasLollipopApi) {
#if __ANDROID_21__
var elevation = 0.0f;
if (hasShadow) {
elevation = Elevation > 0.0f ? Elevation : Resources.GetDimensionPixelSize (Resource.Dimension.fab_elevation_lollipop);
}
Elevation = elevation;
var states = new int[][] { new int[]{ } };
var rippleDrawable = new RippleDrawable (new Android.Content.Res.ColorStateList (states, new int[]{ colorRipple }), drawable, null);
OutlineProvider = new MyOutlineProvider (Resources, size);
ClipToOutline = true;
Background = rippleDrawable;
#endif
} else if (HasJellyBeanApi) {
#if __ANDROID_16__
Background = drawable;
#endif
} else {
SetBackgroundDrawable (drawable);
}
}
public void UpdateDrawable()
{
if (_button == null || _nativeButton == null)
{
return;
}
bool cornerRadiusIsDefault = !_button.IsSet(Button.CornerRadiusProperty) || (_button.CornerRadius == (int)Button.CornerRadiusProperty.DefaultValue || _button.CornerRadius == ButtonDrawable.DefaultCornerRadius);
bool backgroundColorIsDefault = !_button.IsSet(VisualElement.BackgroundColorProperty) || _button.BackgroundColor == (Color)VisualElement.BackgroundColorProperty.DefaultValue;
bool borderColorIsDefault = !_button.IsSet(Button.BorderColorProperty) || _button.BorderColor == (Color)Button.BorderColorProperty.DefaultValue;
bool borderWidthIsDefault = !_button.IsSet(Button.BorderWidthProperty) || _button.BorderWidth == (double)Button.BorderWidthProperty.DefaultValue;
if (backgroundColorIsDefault &&
cornerRadiusIsDefault &&
borderColorIsDefault &&
borderWidthIsDefault)
{
if (!_drawableEnabled)
{
return;
}
if (_defaultDrawable != null)
{
_nativeButton.SetBackground(_defaultDrawable);
}
_drawableEnabled = false;
}
else
{
if (_backgroundDrawable == null)
{
_backgroundDrawable = new ButtonDrawable(_nativeButton.Context.ToPixels, Forms.GetColorButtonNormal(_nativeButton.Context));
}
_backgroundDrawable.Button = _button;
_backgroundDrawable.SetPaddingTop(_nativeButton.PaddingTop);
if (_drawableEnabled)
{
return;
}
if (_defaultDrawable == null)
{
_defaultDrawable = _nativeButton.Background;
}
if (Forms.IsLollipopOrNewer)
{
var rippleColor = _backgroundDrawable.PressedBackgroundColor.ToAndroid();
_rippleDrawable = new RippleDrawable(ColorStateList.ValueOf(rippleColor), _backgroundDrawable, null);
_nativeButton.SetBackground(_rippleDrawable);
}
else
{
_nativeButton.SetBackground(_backgroundDrawable);
}
_drawableEnabled = true;
}
_nativeButton.Invalidate();
}
