public void UpdateDrawable()
{
if (_button == null || _nativeButton == null)
{
return;
}
if (_button.BackgroundColor == Color.Default)
{
if (!_drawableEnabled)
{
return;
}
if (_defaultDrawable != null)
{
_nativeButton.SetBackground(_defaultDrawable);
}
_drawableEnabled = false;
}
else
{
if (_backgroundDrawable == null)
{
_backgroundDrawable = new ButtonDrawable(_nativeButton.Context.ToPixels);
}
_backgroundDrawable.Button = _button;
if (_drawableEnabled)
{
return;
}
if (_defaultDrawable == null)
{
_defaultDrawable = _nativeButton.Background;
}
_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();
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();
}
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();
}