List ttcNames = null; //List<String>
String fontFileURI = fontUrl.toExternalForm().trim();
InputStream in = null;
try {
in = FontLoader.openFontUri(resolver, fontFileURI);
TTFFile ttf = new TTFFile();
FontFileReader reader = new FontFileReader(in);
ttcNames = ttf.getTTCnames(reader);
} catch (Exception e) {
if (this.eventListener != null) {
this.eventListener.fontLoadingErrorAtAutoDetection(this, fontFileURI, e);
}
return null;