public static AColorFilter?GetColorFilter(this ADrawable drawable)
{
if (drawable == null)
{
return(null);
}
return(ADrawableCompat.GetColorFilter(drawable));
}
public static void SetColorFilter(this ADrawable drawable, AColorFilter colorFilter)
{
if (drawable == null)
{
return;
}
if (colorFilter == null)
{
ADrawableCompat.ClearColorFilter(drawable);
}
drawable.SetColorFilter(colorFilter);
}
void SetIconColorFilter(TabLayout.Tab tab, bool selected)
{
var icon = tab.Icon;
if (icon == null)
{
return;
}
var colors = GetItemIconTintColorState();
if (colors == null)
{
ADrawableCompat.SetTintList(icon, null);
}
else
{
int[] _stateSet = null;
if (selected)
{
_stateSet = GetSelectedStateSet();
}
else
{
_stateSet = GetEmptyStateSet();
}
if (colors.GetColorForState(_stateSet, _defaultAndroidColor) == _defaultARGBColor)
{
ADrawableCompat.SetTintList(icon, null);
}
else
{
var wrappedIcon = ADrawableCompat.Wrap(icon);
if (wrappedIcon != icon)
{
icon = wrappedIcon;
tab.SetIcon(wrappedIcon);
}
icon.Mutate();
icon.SetState(_stateSet);
ADrawableCompat.SetTintList(icon, colors);
}
}
icon.InvalidateSelf();
}
void UpdateBarBackgroundColor()
{
if (IsDisposed)
{
return;
}
if (IsBottomTabPlacement)
{
Color tintColor = Element.BarBackgroundColor;
if (tintColor.IsDefault)
{
_bottomNavigationView.SetBackground(null);
}
else if (!tintColor.IsDefault)
{
_bottomNavigationView.SetBackgroundColor(tintColor.ToAndroid());
}
}
else
{
Color tintColor = Element.BarBackgroundColor;
if (Forms.IsLollipopOrNewer)
{
if (tintColor.IsDefault)
{
_tabLayout.BackgroundTintMode = null;
}
else
{
_tabLayout.BackgroundTintMode = PorterDuff.Mode.Src;
_tabLayout.BackgroundTintList = ColorStateList.ValueOf(tintColor.ToAndroid());
}
}
else
{
if (tintColor.IsDefault && _backgroundDrawable != null)
{
_tabLayout.SetBackground(_backgroundDrawable);
}
else if (!tintColor.IsDefault)
{
// if you don't create a new drawable then SetBackgroundColor
// just sets the color on the background drawable that's saved
// it doesn't create a new one
if (_backgroundDrawable == null && _tabLayout.Background != null)
{
_backgroundDrawable = _tabLayout.Background;
_wrappedBackgroundDrawable = ADrawableCompat.Wrap(_tabLayout.Background).Mutate();
}
if (_wrappedBackgroundDrawable != null)
{
_tabLayout.Background = _wrappedBackgroundDrawable;
}
_tabLayout.SetBackgroundColor(tintColor.ToAndroid());
}
}
}
}
