【objective-c】

Objective-C运行时Hook函数避免Crash以及无码埋点的思路繁体

2017年10月26 - 关键字介绍 SEL IMP Method 1.SEL /// An opaque type that represents a method selector.typedef struct objc_selector *SEL; Objective-C 在编译时，会根据方法的名字生成一个用来区分这个方法的唯一的一个ID，本质上就是一个字符串。只要方法名称相同，那么它们的ID就是相同的。

iOS: What should I use EST or EDT and why? 繁体

2015年03月10 - I asked a question not too long ago about timezone and I was using EST. Users suggested me to use ED

Get NSArray of NSDictionary keys sorted by Value then Key 繁体

2012年09月24 - Say I have a dictionary with keys (words) and values (scores) as follows: 假设我有一个包含键（单词）和值（分数）的字典，如下所

Custom UILabel is not displaying text 繁体

2016年09月26 - I have created UILabel subclass which is IB_DESIGNABLE and has few IBInspectable properties. 我创建了UIL

Mute local notification sound when is app already running 繁体

2012年08月05 - I am working on an alarm application. When the app is in the background a local notification informs

Objective-C学习笔记--@interface 繁体

2013年09月11 - Objective-C中，调用方法被称为发送消息，通知对象执行某种操作先看一段类声明（接口）： @interface Circle : NSObject { ShapeColor fillColor; ShapeRect bounds; } -(void) draw; //1. -(void) setFillColor: (ShapeColor) fillColor; /

How to embed iPhone-Wax into app 繁体

2010年05月13 - I have just learnt about iPhone-Wax (thanks to SO). Now the documentation is rather sparse for what

How to open camera while I click the UIButton in iPhone? 繁体

2011年02月08 - I am trying to open the camera when I click the UIbutton in iPhone app. I want to store the captured

Forcing an object to deallocate under ARC 繁体

2012年10月10 - I'm working on an iPad photo collage app that draws perhaps hundreds of UIImageViews on the screen a

How could I replace UIMenuController with my own view when text is selected? 繁体

2013年01月30 - When text is selected, by default a UIMenuController pops up with cut/copy/paste etc. 当选择文本时，默认情况下U