04 2014 档案

摘要：在想要查看的 UIView 附近打个断点，运行，直到停在断点处，在控制台键入：po [view recursiveDescription]，回车。(lldb) po [self recursiveDescription]; layer = > | > | | > | | ; ... 阅读全文

摘要：创建一个 UIButton 的子类，重写其方法：- (void)drawRect:(CGRect)rect{ [[self layer] setCornerRadius:CORNER_RADIUS]; [[self layer] setMasksToBounds:YES]; ... 阅读全文

摘要：更新：iOS8 版本已经不可用为 UIPopoverController 增加类别，如下：//NSObject+UIPopover_Iphone.h#import @interface UIPopoverController (overrides)+(BOOL)_popoversDisabled;@... 阅读全文

摘要：//CCSprite+Animation.h#import "CCSprite.h"@interface CCSprite (Animation)+ (void)fadeWithOldSprite:(CCSprite *)oldSprite newSprite:(CCSprite *)newSpri... 阅读全文

摘要：第一步，隐藏导航栏底部的分割线如何隐藏导航栏底部的分割线(shadow image/ hairline)? navigationBar.clipsToBounds = YES; //隐藏 navigationBar.clipsToBounds = NO; //显示因为分割线... 阅读全文

摘要：Simply subclass UITextField and override caretRectForPosition(继承 UITextField 并且重写 [UITextField caretRectForPosition] 方法）- (CGRect)caretRectForPosition... 阅读全文

摘要：Question(提问):What I want to do seems pretty simple, but I can't find any answers on the web. I have anNSMutableArrayof objects, let's say they are 'Person' objects. I want to sort theNSMutableArrayby Person.birthDate which is anNSDate.I think it has something to do with this method:N 阅读全文

摘要：“iPhone 配置实用工具”可让您轻松地创建、维护和安装配置描述文件及对配置描述文件进行加密，跟踪和安装预置描述文件与授权的应用程序，以及采集包括控制台日志在内的设备信息。 阅读全文

摘要：#import ...imageView.image = [UIImage imageNamed:(i % 2) ? @"3.jpg" : @"4.jpg"];CATransition *transition = [CATransition animation];transition.duration = 1.0f;transition.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];transition.type 阅读全文

摘要：// 例如- (NSString *)applicationDocumentsDirectory{ return [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject];} 阅读全文

摘要：选择项目的“Edit Scheme...” 并且选择“Options”选项卡，更改你喜欢的默认地理位置你也可以编辑一个gpx文件永久保存坐标，或者在线生成（传送门）。转自：iOS Simulator Always resets Location to “None”(Stack Overflow)##... 阅读全文