Add a .swift
file to your project, and name it MySwiftObject.swift
In MySwiftObject.swift
:
import Foundation
class MySwiftObject : NSObject {
var someProperty: AnyObject = "Some Initializer Val"
init() {}
func someFunction(someArg:AnyObject) -> String {
var returnVal = "You sent me \\(someArg)"
return returnVal
}
}
In SomeRandomClass.m
:
#import "<#YourProjectName#>-Swift.h"
The file:<#YourProjectName#>-Swift.h
should already be created automatically in your project, even if you can not see it.
MySwiftObject * myOb = [MySwiftObject new];
NSLog(@"MyOb.someProperty: %@", myOb.someProperty);
myOb.someProperty = @"Hello World";
NSLog(@"MyOb.someProperty: %@", myOb.someProperty);
NSString * retString = [myOb someFunction:@"Arg"];
NSLog(@"RetString: %@", retString);
.swift
file to an older project and get error: dyld: Library not loaded: @rpath/libswift_stdlib_core.dylib
, try completely restarting Xcode.@objc
prefix, after Swift 2.0, this is no longer possible. See edit history for original explanation. If this functionality is reenabled in future Swift versions, the answer will be updated accordingly.