nativeDouble method
Introspect the native app's APLConfiguration subclass for the
float / double (Obj-C), Float / Double (Swift) with the
propertyName specified.
Implementation
double nativeDouble(String propertyName) {
Object? object = _cachedConfiguration[propertyName];
if (object != null && object is double) {
return object;
}
return 0.0;
}