使用AFN上传一张或多张图片-(void)upLoadImage:(NSMutableDictionary *)parametersDic ur...
UILabel *label = [[UILabel alloc]initWithFrame:CGRectMake(50, 100, 200, ...
检测手机在前台锁屏//检测在前台锁屏—需要导入 #import<notify.h> #define NotificationLock CFSTR...
如图: 1、其实最简单的就是自定义UITabBarController控制器 2、然后在UITabBarController中设置隐藏tabBa...
移动应用在处理网络资源时,一般都会做离线缓存处理,其中以图片缓存最为典型,其中很流行的离线缓存框架为SDWebImage。 但是,离线缓存会占用...
-[NSNull count]: unrecognized selector sent to instance 0x7fff8062db10 d...
import "ViewController.h" define UI_WIDTH 80 define UI_HEIGHT 30 @interf...
import "QYScanCtrl.h" import <AVFoundation/AVFoundation.h> import "trCon...
1.$ gem sources --remove https://rubygems.org///http必须带s2.$ gem sources ...