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升级到ios11 在调用系统相册的时候出现崩溃 调用相机不崩溃提示错误为：Only RGBA or White color spaces are...
走马灯 NSString *str = @"人生若只如初见，何事秋风悲画扇。"; self.scrollLabel = [[UILabel al...
1.首先在plist文件中添加一key值:View controller-based status bar appearance设置为NO 2....
复制粘贴为英文改info.plist
//截取字符串 -(NSString*)cutString:(NSString*)str { NSMutableString*c = [[NSM...
//得到字节数函数 - (int)stringConvertToInt:(NSString*)strtemp { intstrlength =0...
[[NSNotificationCenterdefaultCenter]addObserver:self selector:@selector(...
在b控制器中加入 self.navigationController.interactivePopGestureRecognizer.deleg...