- 「i386" アーキテクチャのための未定義のシンボル

それは私がロケーションサービスで働いていると私は、このリンカエラー当たっています最初の時間です：私が追加した- 「i386" アーキテクチャのための未定義のシンボル

Undefined symbols for architecture i386: "_OBJC_CLASS_$_CLLocationManager"

を#import <CoreLocation/CoreLocation.h>とあなたがヨーヨーにCoreLocationフレームワークを追加する必要がviewDidLoad

CLLocationManager *manager = [[CLLocationManager alloc] init]; 
manager.delegate = self; 
[manager startUpdatingLocation]; 
[UIApplication sharedApplication].networkActivityIndicatorVisible = YES; 

if (![CLLocationManager locationServicesEnabled]){ 
    UIAlertView *servicesDisabledAlert = [[UIAlertView alloc] initWithTitle:@"Location Services Disabled" message:@"You currently have all location services for this device disabled. If you proceed, you will be asked to confirm whether location services should be reenabled." delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil]; 
    [servicesDisabledAlert show]; 
    [servicesDisabledAlert release]; 
} 
[manager release];

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