getDocumentLanguage method
Returns the language of the opened book. Returns an empty string is the core is not initialised or the title is empty.
Implementation
String getDocumentLanguage() {
Pointer<BufferString> str = (getDocumentLanguageNative?.call(_sdk))!;
if (str != nullptr) {
String result = str.ref.toString();
freeBufferString(str);
return result;
}
return '';
}