internal static string PullFontPathFromTheme(Context context, int styleAttrId, int[] attributeId)
{
if (styleAttrId == -1 || attributeId == null)
{
return(null);
}
Android.Content.Res.Resources.Theme theme = context.Theme;
var value = new TypedValue();
theme.ResolveAttribute(styleAttrId, value, true);
TypedArray typedArray = theme.ObtainStyledAttributes(value.ResourceId, attributeId);
try
{
string font = typedArray.GetString(0);
return(font);
}
catch (Exception)
{
//failed for some reason
return(null);
}
finally
{
typedArray.Recycle();
}
}
/// <summary>
/// Last but not least, try to pull the Font Path from the Theme, which is defined.
/// </summary>
/// <returns>null if no theme or attribute defined.</returns>
/// <param name="context">Activity Context.</param>
/// <param name="styleAttrId">Theme style id.</param>
/// <param name="subStyleAttrId">the sub style from the theme to look up after the first style.</param>
/// <param name="attributeId">if -1 returns null.</param>
internal static string PullFontPathFromTheme(Context context, int styleAttrId, int subStyleAttrId, int[] attributeId)
{
if (styleAttrId == -1 || attributeId == null)
{
return(null);
}
Android.Content.Res.Resources.Theme theme = context.Theme;
var value = new TypedValue();
theme.ResolveAttribute(styleAttrId, value, true);
int subStyleResId = -1;
TypedArray parentTypedArray = theme.ObtainStyledAttributes(value.ResourceId, new int[] { subStyleAttrId });
try
{
subStyleResId = parentTypedArray.GetResourceId(0, -1);
}
catch (Exception)
{
// Failed for some reason.
return(null);
}
finally
{
parentTypedArray.Recycle();
}
if (subStyleResId == -1)
{
return(null);
}
TypedArray subTypedArray = context.ObtainStyledAttributes(subStyleResId, attributeId);
if (subTypedArray != null)
{
try
{
return(subTypedArray.GetString(0));
}
catch (Exception)
{
// Failed for some reason.
return(null);
}
finally
{
subTypedArray.Recycle();
}
}
return(null);
}