2014/10/15 下午 10:13:39

iphone Programming Glossary: scnetworkreachabilitygetflags

http://stackoverflow.com/questions/1021172/how-to-check-network-type-in-iphone-app

functionality. Thanks a lot.. iphone share improve this question You can use SCNetworkReachabilityFlags flags SCNetworkReachabilityGetFlags target flags to get the network status if flag kSCNetworkReachabilityFlagsIsWWAN 3G Edge GPRS else Wifi share improve..

Reachability sometimes fails, even when we do have an internet connection

http://stackoverflow.com/questions/1281232/reachability-sometimes-fails-even-when-we-do-have-an-internet-connection

reachability SCNetworkReachabilityCreateWithName NULL host_name SCNetworkReachabilityFlags flags success SCNetworkReachabilityGetFlags reachability flags BOOL isAvailable success flags kSCNetworkFlagsReachable flags kSCNetworkFlagsConnectionRequired if isAvailable..

How to check for local Wi-Fi (not just cellular connection) using iPhone SDK?

http://stackoverflow.com/questions/1448411/how-to-check-for-local-wi-fi-not-just-cellular-connection-using-iphone-sdk

const struct sockaddr hostAddress if target NULL SCNetworkReachabilityFlags flags 0 const BOOL reachable SCNetworkReachabilityGetFlags target flags CFRelease target return reachable flags kSCNetworkFlagsReachable return NO This however does not return NO..

iPhone active network type (2G, 3G, WiFi)

http://stackoverflow.com/questions/1636990/iphone-active-network-type-2g-3g-wifi

interface can help you with that. Basically you create a so called reachability reference and then call SCNetworkReachabilityGetFlags on it to get information about the connection. The returned flags include kSCNetworkReachabilityFlagsIsWWAN which tells..

SCNetworkReachabilityGetFlags in Reachability sample code takes too long to return

http://stackoverflow.com/questions/4461238/scnetworkreachabilitygetflags-in-reachability-sample-code-takes-too-long-to-retu

in Reachability sample code takes too long to return I'm using iOS4.1 on an iPhone4. I'm also using the latest version.. hostName on the main thread. If the device cannot reach a DNS server or is on a slow network a synchronous call to the SCNetworkReachabilityGetFlags function can block for up to 30 seconds trying to resolve the hostName. If this happens on the main thread the application..

iPhone: Detect airplane mode [closed]

http://stackoverflow.com/questions/4804398/iphone-detect-airplane-mode

to distinguish these 2 cases iphone objective c cocoa touch iphone sdk 3.0 share improve this question Try using SCNetworkReachabilityGetFlags SystemConfiguration framework . If the flags variable handed back is 0 and the return value is YES airplane mode is turned..

SCNetworkReachabilityGetFlags returns 0 even when wireless available

http://stackoverflow.com/questions/4889472/scnetworkreachabilitygetflags-returns-0-even-when-wireless-available

returns 0 even when wireless available I have an app that uses Apples reachability code. When I tab out of the app turn.. the message that no connection is available. The specific problem code is this NetworkStatus status kNotReachable if SCNetworkReachabilityGetFlags reachabilityRef flags status self networkStatusForFlags flags return status I get inside the if statement and flags ends..

(iphone) reachability test for specific ip/port?

http://stackoverflow.com/questions/5886788/iphone-reachability-test-for-specific-ip-port

construct sockaddr_in variable with given ip port. call SCNetworkReachabilityCreateWithAddress with the address call SCNetworkReachabilityGetFlags and see if kSCNetworkFlagsReachable is set. I find that whatever valid valid range ip port I put to test my code says it's..

Reachability causes crash after no network situation — how to properly use Reachability asynchronously

http://stackoverflow.com/questions/5900181/reachability-causes-crash-after-no-network-situation-how-to-properly-use-reac

0x30ac1bcc si_addrinfo 1080 5 libsystem_info.dylib 0x30abd0b2 getaddrinfo 78 6 SystemConfiguration 0x311b4256 __SCNetworkReachabilityGetFlags 962 7 SystemConfiguration 0x311b4f1e SCNetworkReachabilityGetFlags 98 iphone reachability share improve this question.. getaddrinfo 78 6 SystemConfiguration 0x311b4256 __SCNetworkReachabilityGetFlags 962 7 SystemConfiguration 0x311b4f1e SCNetworkReachabilityGetFlags 98 iphone reachability share improve this question In the synchronous case you're probably being killed by the iOS..

Objective C alloc/release error

http://stackoverflow.com/questions/6928028/objective-c-alloc-release-error

flags SCNetworkReachabilityRef reachability SCNetworkReachabilityCreateWithName NULL @ www.alues.com UTF8String SCNetworkReachabilityGetFlags reachability flags The reachability flags are a bitwise set of flags that contain the information about connection availability..