随笔分类 -  CocoaTouch

Objective-C CocoaTouch
摘要:升级iOS8了,突然发现定位服务无法开启。于是乎网上找答案。中文答案网上搜索一大圈,tmd都以讹传讹的用这个字段:NSLocationWhenInUseDescription终于在stackoverflow找到答案:http://stackoverflow.com/questions/2485012... 阅读全文
posted @ 2014-09-23 16:13 馒不头 阅读(574) 评论(0) 推荐(0)
摘要:参考:http://guxiaojje.blog.163.com/blog/static/14094229120131510359399/http://www.buildapp.net/iphone/show.asp?id=10192矩阵的基本知识:struct CGAffineTransform{ CGFloat a, b, c, d; CGFloat tx, ty;};CGAffineTransform CGAffineTransformMake(CGFloat a,CGFloat b,CGFloat c,CGFloat d,CGFloat tx,CGFloat ty);为了把二维图形的变 阅读全文
posted @ 2013-06-18 16:43 馒不头 阅读(653) 评论(0) 推荐(0)
摘要:一有用的 UIImage 扩展,支持(等比例)放大和旋转可在许多 App 中使用。UIImage-Extensions.h#import <Foundation/Foundation.h>#import <UIKit/UIKit.h>CGFloat DegreesToRadians(CGFloat degrees);CGFloat RadiansToDegrees(CGFloat radians);@interface UIImage (JQ_Extensions)- (UIImage *)imageAtRect:(CGRect)rect;- (UIImage *)im 阅读全文
posted @ 2013-05-17 12:20 馒不头 阅读(2269) 评论(0) 推荐(1)