OC高效率52之熟悉系统框架

#import "ViewController.h"
#import <CoreFoundation/CoreFoundation.h>
#import <Social/Social.h>
#import <MapKit/MapKit.h>
#import <CoreGraphics/CoreGraphics.h>
#import <CoreData/CoreData.h>
@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
[super viewDidLoad];
//与Foundation 框架对应的 C语言APICoreFoundation框架
//系统库
//    CFNetwork
//    CoreAudio
//    AVFoundation
//    CoreData
//    CoreText

//    UIKit
//    CoreAnimation
//    MapKit

}

@end