Add Reachability

- (void)addReachability {

[[NSNotificationCenterdefaultCenter]addObserver:selfselector:@selector(reachabilityChanged:)name:kReachabilityChangedNotificationobject:nil];

[[ReachabilityreachabilityForInternetConnection]startNotifier];

[selfupdateInterfaceWithReachability:[ReachabilityreachabilityForInternetConnection]];

}

- (void)reachabilityChanged:(NSNotification*)notification {

NSParameterAssert([[notificationobject]isKindOfClass:[Reachabilityclass]]);

[selfupdateInterfaceWithReachability:[notificationobject]];

}

- (void)dealloc {

[[NSNotificationCenterdefaultCenter]removeObserver:selfname:kReachabilityChangedNotificationobject:nil];

}

- (void)updateInterfaceWithReachability:(Reachability*)reachability {

if([reachabilitycurrentReachabilityStatus] ==NotReachable) {

[XLxl_showTipText:@"没有网络"];

}elseif([reachabilitycurrentReachabilityStatus] ==ReachableViaWiFi) {

[XLxl_showTipText:@"WiFi"];

}else{

[XLxl_showTipText:@"蜂窝"];

}

}