fun class_=(package_context: NativeActivity, class_name: JavaString): NativeIntent
	  in "Java" `{
		Class<?> java_class = null;
		try {
			java_class = Class.forName(class_name);
		} catch (Exception e) {
			e.getStackTrace();
		}
		return self.setClass(package_context, java_class);
	`}