私は自分の例で到達可能性を検出するためにアップルが公開した到達可能性プロジェクトを使用しようとしました。私はほとんどの初期化をコピーしましたが、リンカでこのエラーが発生します:
Ld build/switchViews.build/Debug-iphoneos/test.build/Objects-normal/armv6/test normal armv6 cd /Users/uid04100/Documents/TEST setenv IPHONEOS_DEPLOYMENT_TARGET 3.1.3 setenv PATH "/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin" /Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/gcc-4.2 -arch armv6 -isysroot /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS3.1.3.sdk -L/Users/uid04100/Documents/TEST/build/Debug-iphoneos -F/Users/uid04100/Documents/TEST/build/Debug-iphoneos -filelist /Users/uid04100/Documents/TEST/build/switchViews.build/Debug-iphoneos/test.build/Objects-normal/armv6/test.LinkFileList -dead_strip -miphoneos-version-min=3.1.3 -framework Foundation -framework UIKit -framework CoreGraphics -o /Users/uid04100/Documents/TEST/build/switchViews.build/Debug-iphoneos/test.build/Objects-normal/armv6/test未定義のシンボル:
「_SCNetworkReachabilitySetCallback」、次から参照: - [Reachability startNotifer] Reachability.o 内の
「_SCNetworkReachabilityCreateWithAddress」、次から参照: + [Reachability reachabilityWithAddress:] 内 Reachability.o
「_SCNetworkReachabilityScheduleWithRunLoop」、次から参照: - [Reachability startNotifer] 内.o
「_SCNetworkReachabilityGetFlags」から参照: -Reachability.o の [Reachability connectionRequired] -Reachability.o の [Reachability currentReachabilityStatus]
「_SCNetworkReachabilityUnscheduleFromRunLoop」、次から参照: -Reachability.o の [Reachability stopNotifer]
「_SCNetworkReachabilityCreateWithName」、参照元: +[Reachability reachabilityWithHostName:] Reachability.old 内
: シンボルが見つかりません
collect2: ld は 1 つの終了ステータスを返しました
私のデリゲート.h:
#import <UIKit/UIKit.h>
@class Reachability;
@interface testAppDelegate : NSObject
<UIApplicationDelegate> { UIWindow
*window; UINavigationController *navigationController;
Reachability* hostReach;
Reachability* internetReach;
Reachability* wifiReach;
}
@property (nonatomic, retain) IBOutlet
UIWindow *window; @property
(nonatomic, retain) IBOutlet
UINavigationController
*navigationController;
@end
私のデリゲート.m:
#import "testAppDelegate.h"
#import "SecondViewController.h"
#import "Reachability.h"
@implementation testAppDelegate
@synthesize window; @synthesize
navigationController;
- (void) updateInterfaceWithReachability:
(Reachability*) curReach {
if(curReach == hostReach) {
BOOL connectionRequired= [curReach connectionRequired];
if(connectionRequired)
{ //in these brackets schould be some code with sense, if i´m getting it to run
}
else
{
}
} if(curReach == internetReach) { } if(curReach == wifiReach) {
} }
//Called by Reachability whenever
status changes.
- (void) reachabilityChanged: (NSNotification* )note {
Reachability* curReach = [note
object]; NSParameterAssert([curReach
isKindOfClass: [Reachability class]]);
[self
updateInterfaceWithReachability:
curReach]; }
- (void)applicationDidFinishLaunching:(UIApplication
*)application {
// Override point for customization after application launch
// Observe the
kNetworkReachabilityChangedNotification.
When that notification is posted, the
// method "reachabilityChanged" will be called. //
[[NSNotificationCenter defaultCenter]
addObserver: self selector:
@selector(reachabilityChanged:) name:
kReachabilityChangedNotification
object: nil];
//Change the host name here to change the server your monitoring
hostReach = [[Reachability
reachabilityWithHostName:
@"www.apple.com"] retain]; [hostReach
startNotifer]; [self
updateInterfaceWithReachability:
hostReach];
internetReach = [[Reachability reachabilityForInternetConnection]
retain]; [internetReach
startNotifer]; [self
updateInterfaceWithReachability:
internetReach];
wifiReach = [[Reachability reachabilityForLocalWiFi] retain];
[wifiReach startNotifer]; [self
updateInterfaceWithReachability:wifiReach];
[window addSubview:[navigationController
view]];
[window makeKeyAndVisible]; }
- (void)dealloc { [navigationController release];
[window release];
[super dealloc]; }
@end