轉自: http://pimacun.72pines.com/2011/06/17/利用類別category為對象添加執行個體變數/利用類別(Category)為對象添加”執行個體變數”Posted by pimacun on 六 17, 2011 in 開發 |Subscribe主要利用ObjectiveC的C API中函數:void objc_setAssociatedObject(id object, const void *key, id value,
UILocalNotification *notification=[[UILocalNotification alloc] init]; if (notification!=nil) { NSLog(@">> support local notification"); notification.fireDate=[NSDate dateWithTimeIntervalSinceNow:10];
原文地址: http://www.raywenderlich.com/1063/ipad-for-iphone-developers-101-custom-input-view-tutorial Custom Input View Tutorial This is the third part of a three part series to help get iPhone Developers up-to-speed with iPad development by focusing
在.h標頭檔聲明函數:-(void)Test:(id)param1 second:(id)param2, ...;在.m檔案中實現函數:-(void)Test:(id)param1 second:(id)param2, ...{ NSLog(@"param1 class type :%@", [param1 class]); NSLog(@"param2 class type :%@", [param2 class]); id param3;
1、填寫應用分級時:Cartoon or Fantasy Violence卡通或幻想暴力Realistic Violence 現實暴力Sexual Content or Nudity 色情或裸色內容Profanity or Crude Humor 褻瀆或低俗幽默Alcohol, Tobacco, or Drug Use or References 酒精、菸草或使用毒品或參考資訊Mature/Suggestive Themes 成人/性暗示主題Simulated Gambling
在。。。ViewController的viewDidLoad函數中添加下面的代碼:- (void)viewDidLoad{ [super viewDidLoad];// Do any additional setup after loading the view, typically from a nib. self.view.backgroundColor = [UIColor blackColor]; UILabel *label = [[UILabel