Extracting iOS system language for Unity in Assets/Plugins/iOS/GetSystemLanguage.mm

GetSystemLanguage.mm

#include "UnityAppController.h"
/*
 * This Plug in will set a "systemLanguage" string key in PlayerPrefs with the system language code.
 */
@interface GetSystemLanguage : UnityAppController

@end


@implementation GetSystemLanguage

- (void)preStartUnity
{
    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
    NSArray *languages = [defaults objectForKey:@"AppleLanguages"];
    NSString *currentLanguage = [languages objectAtIndex:0];
    
    [[NSUserDefaults standardUserDefaults] setObject:currentLanguage forKey:@"systemLanguage"];
    [[NSUserDefaults standardUserDefaults] synchronize];
}

- (void)shouldAttachRenderDelegate
{
}

@end