public static float ThemedResourceAttribute(this Context aContext, int aResourceId)
{
TypedValue value = new TypedValue();
aContext.Theme.ResolveAttribute(aResourceId, value, true);
IWindowManager windowManager = aContext.GetSystemService(Context.WindowService).JavaCast <IWindowManager>();
DisplayMetrics outMetrics = new DisplayMetrics();
windowManager.DefaultDisplay.GetMetrics(outMetrics);
return(value.GetDimension(outMetrics));
}
internal BookmarkItemView(Context context)
: base(context)
{
Orientation = Orientation.Horizontal;
LayoutParameters = new LayoutParams(ViewGroup.LayoutParams.MatchParent, ViewGroup.LayoutParams.WrapContent);
SetGravity(GravityFlags.CenterVertical | GravityFlags.FillHorizontal);
Clickable = true;
BookmarkLabel = new TextView(context)
{
LayoutParameters = new LayoutParams(ViewGroup.LayoutParams.MatchParent, ViewGroup.LayoutParams.MatchParent),
};
// Height
var listItemHeightValue = new TypedValue();
context.Theme.ResolveAttribute(Android.Resource.Attribute.ListPreferredItemHeight, listItemHeightValue, true);
SetMinimumHeight((int)listItemHeightValue.GetDimension(Resources.DisplayMetrics));
// Left and right margin
var listItemLeftMarginValue = new TypedValue();
context.Theme.ResolveAttribute(Android.Resource.Attribute.ListPreferredItemPaddingStart, listItemLeftMarginValue, true);
var listItemRightMarginValue = new TypedValue();
context.Theme.ResolveAttribute(Android.Resource.Attribute.ListPreferredItemPaddingEnd, listItemRightMarginValue, true);
SetPadding((int)listItemLeftMarginValue.GetDimension(Resources.DisplayMetrics), 0, (int)listItemRightMarginValue.GetDimension(Resources.DisplayMetrics), 0);
BookmarkLabel.Gravity = GravityFlags.CenterVertical | GravityFlags.FillHorizontal;
// Selection animation on hover
var selectableBackground = new TypedValue();
context.Theme.ResolveAttribute(Android.Resource.Attribute.SelectableItemBackground, selectableBackground, true);
SetBackgroundResource(selectableBackground.ResourceId);
AddView(BookmarkLabel);
}