Xcode - This app has attempted to access privacy-sensitive data without a usage description.

iOS NSString包含字符串,iOS NSString匹配字符串,NSString包含字符串,NSString匹配字符串,NSString substringWithRange,NSString rangeOfString,

Object-C 加载 TTF/OTF/TTC 文件 - /* *函数描述：加载字体并返回 * *参数： * fontName ： 字体名字，并非字体文件 * fontSize ： 字体大小 * *返回值：加载成功，返回字体，加载失败，返回nil...

Object-C private var mobileDevice文件夹

iOS NSURL URLWithString 与 fileURLWithPath 区别 - URLWithString 与 fileURLWithPath 的区别在于前者用于网络，后者用于本地 NSURL *appURL = [NSURLURLWithString:urlString]; //网络url NS...

Xcode – Xcode13 The Legacy Build System will be removed in a future release - The Legacy Build System will be removed in a future release. You can configure the selected build sys...

Object-C 保存文件到相册 1.UIImageWriteToSavedPhotosAlbum 2.AssetsLibrary 3.PHPhotoLibrary Xcode – This app has attempted to access privacy-sensitive data without a usage descripti...

iOS NSString 和 bool 相互转换 NSString *str1 = @'YES'; NSString *str2 = @'NO'; //ok NSLog(@'str1 = %d str2 = %d',[str1 boolValue],[str2 boolValue]); BOOL a = YES; BOOL b = NO; NSSt...

IOS - UIImage imageWithContentsOfFil 和 imageNamed 区别 - 使用 imageNamed 加载沙盒的素材，偶尔不正常，有时候为上一次加载的素材，即路径正常，加载的素材又可能是上一次缓冲区的素材（头...

iOS NSString获取字符串长度,NSString获取字符串长度,NSString lengthOfBytesUsingEncoding, NSString length,NSString计算中文长度,