cracj-CSDN博客

原创 Swift的Debug和Release宏

step a:在Swift Compiler - Custom Flags的Other Swift Flags的Debug里添加-DDEBUG在Release里添加-DRELEASEstep b: 在代码里这么使用 #if DEBUG print("debug") #endif

2016-02-15 17:20:00 3308

原创 UIView的动画事务

UIView.beginAnimations("1", context:nil) UIView.setAnimationDuration(moveDuration) UIView.setAnimationRepeatCount(MAXFLOAT) UIView.setAnimationRepeatAutoreverses(tru

2015-12-30 17:23:27 541

原创 NSCondition

@UIApplicationMainclass AppDelegate:UIResponder, UIApplicationDelegate { var window: UIWindow? var product = [String]() let condition = NSCondition()

2015-12-18 15:10:37 579

原创 Swift开源

Swift于2015年12月4号开源，欣喜之情难以表达，无奈编译器这种东西感兴趣还是小众，也没人能分享我的喜悦，故在此记录一笔，该语言的优秀性只有懂的人才懂。开源地址https://github.com/apple和https://swift.org 支持Linux平台

2015-12-04 11:02:13 381

原创 iOS后台运行

Apple的原版见https://developer.apple.com/library/ios/documentation/iPhone/Conceptual/iPhoneOSProgrammingGuide/iPhoneAppProgrammingGuide.pdf根据实验，可以实现后台3分钟时间或一直后台运行// 三分钟版本先在Info.plist里添加Required

2015-11-30 20:56:20 571

原创 iOS网络(Swift)

2015-11-17 20:59:54 1769 1

原创 iOS设备类型(Swift)

2015-11-17 20:56:59 826

原创监测iOS截屏(Swift)

2015-11-17 20:55:03 948

原创 Swift 自己写定时器

private var timer:dispatch_source_t? = nil private func startTimer() { let updateInterval: UInt64 = 1 let interval = updateInterval * NSEC_PER_SEC let l

2015-11-17 19:01:07 945

原创 AutoLayout Swift demo

import UIKitimport Swiftclass ViewController:UIViewController { override func viewDidLoad() { super.viewDidLoad() let v1 = UIView() let v2 =

2015-06-30 15:16:57 426

原创 iOS动画

//动画 CATransition *transition = [CATransitionanimation]; transition.duration =6.0; transition.type =kCATransitionMoveIn; transition.subtype =kCATransitionFromBottom;

2014-12-17 17:00:59 469

原创 C++ find accumulate count的用法

#include #include #include #include #include using namespace std;int main(){ vector vint = {1,2,3,4,5,6,7,8}; auto result = find(vint.cbegin(),vint.cend(),40); cout int ia[] =

2014-12-02 20:23:05 646

原创 AVAudioPlayer音频播放

// ViewController.h@property (nonatomic)AVAudioPlayer *player;@property (weak, nonatomic) IBOutletUIButton *playButton;// ViewController.m- (IBAction)playButton:(

2014-11-25 23:40:59 437

原创 ios解档归档2

NSArray *array = [NSArrayarrayWithObjects:@"one",@"two", @"three",nil]; NSString *filePath = [NSHomeDirectory()stringByAppendingPathComponent:@"data"]; //多对象归档 NSMutableDa

2014-11-24 22:34:24 462

原创 iOS解档归档

NSArray *array = [NSArrayarrayWithObjects:@"one",@"two", @"three",nil]; NSString *filePath = [NSHomeDirectory()stringByAppendingPathComponent:@"arry.plist"]; [NSKeyedArchiverarch

2014-11-24 21:56:46 507

原创 ios获取网络图片

// ViewController.m

2014-11-22 21:47:18 436

原创 NSCalendar获取两个年龄的相差天数

NSCalendar 类的- (NSDateComponents *)components:(NSUInteger)unitFlags fromDate:(NSDate *)startingDate toDate:(NSDate *)resultDate options:(NSUInteger)opts获取startDate与endDate 之间相隔几天NSCalendar *

2014-11-21 14:09:05 713

原创 block回调UIButton

// BlockBtn.h#import @interface BlockBtn :UIButton@property (nonatomic,copy)void(^block)(void);- (id)initWithFrame:(CGRect)frame;- (void)clickAction;@end

2014-11-18 01:52:18 562

原创 block引用局部变量

// AppDelegate.m- (int)test:(int (^)(int,int))block{ return block(10,20);}- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary

2014-11-18 00:32:29 548

原创函数指针实现对象传递消息(回调)

// AppDelegate.m

2014-11-17 23:55:36 416

原创 ios block 实现函数回调

//A.h#import @interface A : NSObject- (void)delegate:(int (^)(int,int))block;@end//A.

2014-11-17 23:32:39 555

原创 NSCalendar获取未来一年

NSDate *today = [[NSDatealloc] init]; NSCalendar *gregorian = [[NSCalendaralloc] initWithCalendarIdentifier:NSGregorianCalendar]; NSDateComponents *of

2014-11-17 20:09:19 487

原创 block实现函数回调

int test(int a)//函数{ printf("test function\n"); return a;}int testFuncPointer(int (*f) (int)){ printf("testFuncPointer fuction\n"); f(30); return 20;}int mai

2014-11-14 00:23:12 451

原创函数指针实现函数回调