ios开发基础

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1.Xcode中如何修改product name？

选择项目==》TARGETS==>Build Settings==>搜索product name 即可

2.ios 如何获取屏幕大小

3.iOS 设备的屏幕尺寸、分辨率及其屏幕边长比例详细情况是怎样的

4.ios 如何获取系统版本

5.获得Ios系统版本号的函数

+ (float)getIOSVersion{    return [[[UIDevice currentDevice] systemVersion] floatValue];}

6.获得系统版本号

+ (NSString*)getOSVersion   {       return [[UIDevice currentDevice]systemVersion];   }      7.是否是ipad设备 + (BOOL)isIpad   {       return [UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPad;   }        8.是否是iphone设备 + (BOOL)isIphone   {       return [UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPhone;     }     9.是否有相机+ (BOOL)hasCamera   {       return [UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera];   }

10.ios 如何获取当前语言

+ (NSString*)getPreferredLanguage{    NSUserDefaults* defs = [NSUserDefaults standardUserDefaults];    NSArray* languages = [defs objectForKey:@"AppleLanguages"];    NSString* preferredLang = [languages objectAtIndex:0];    NSLog(@"Preferred Language:%@", preferredLang);    return preferredLang;}