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2014/10/15 ¤U¤È 10:13:08
iphone Programming Glossary: reachableHow to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk void testInternetConnection internetReachableFoo Reachability reachabilityWithHostname @ www.google.com Internet is reachable internetReachableFoo.reachableBlock ^ Reachability reach Update the UI on the main thread dispatch_async dispatch_get_main_queue.. internetReachableFoo Reachability reachabilityWithHostname @ www.google.com Internet is reachable internetReachableFoo.reachableBlock ^ Reachability reach Update the UI on the main thread dispatch_async dispatch_get_main_queue ^ NSLog @ Yayyy we have.. UI on the main thread dispatch_async dispatch_get_main_queue ^ NSLog @ Yayyy we have the interwebs Internet is not reachable internetReachableFoo.unreachableBlock ^ Reachability reach Update the UI on the main thread dispatch_async dispatch_get_main_queue..
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 I switch to another app say Mail or Safari and connect then switch back to the app then the code says the internet is reachable. Kinda seems like it needs a 'nudge'. Anyone seen this before Any ideas Many thanks James BOOL doWeHaveInternetConnection.. success flags kSCNetworkFlagsReachable flags kSCNetworkFlagsConnectionRequired if isAvailable NSLog @ Google is reachable d flags else NSLog @ Google is unreachable return isAvailable iphone objective c share improve this question Looks.. flags kSCNetworkFlagsConnectionRequired if isAvailable NSLog @ Google is reachable d flags else NSLog @ Google is unreachable return isAvailable iphone objective c share improve this question Looks like you've stripped out some basic reachability..
Check for internet connection - iOS SDK [duplicate] http://stackoverflow.com/questions/13735611/check-for-internet-connection-ios-sdk NetworkStatus remoteHostStatus reachability currentReachabilityStatus if remoteHostStatus NotReachable NSLog @ not reachable else if remoteHostStatus ReachableViaWiFiNetwork NSLog @ wifi else if remoteHostStatus ReachableViaCarrierDataNetwork NSLog..
http://stackoverflow.com/questions/1404366/check-if-nsurl-returns-404 a way to check this without a delegate if possible. I need to block the program execution until I know if the URL is reachable or not. iphone nsurlconnection share improve this question As you may know already that general error can capture by..
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 kCFAllocatorDefault 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.. flags 0 const BOOL reachable SCNetworkReachabilityGetFlags target flags CFRelease target return reachable flags kSCNetworkFlagsReachable return NO This however does not return NO as it should when the iPhone is connected only.. objective c cocoa touch share improve this question First modify your addressReachable method. Instead of return reachable flags kSCNetworkFlagsReachable add the following BOOL isReachable flags kSCNetworkFlagsReachable 0 BOOL needsConnection..
Using a UITableViewController with a small-sized table? http://stackoverflow.com/questions/222956/using-a-uitableviewcontroller-with-a-small-sized-table too long meaning there are a collection of rows that are pushed off the bottom of the screen and are not visible nor reachable by scrolling. So my question comes down to what is the proper way to tell a UITableViewController to resize its component..
http://stackoverflow.com/questions/3790957/reachability-guide-for-ios-4 SystemConfiguration framework to your project. #import Reachability.h where you want to use it. Use this code. BOOL reachable Reachability r Reachability reachabilityWithHostName @ enbr.co.cc NetworkStatus internetStatus r currentReachabilityStatus.. if internetStatus NotReachable return NO return YES When you want to check for reachability... if self reachable NSLog @ Reachable else NSLog @ Not Reachable Here is the example project that I made. http dl.dropbox.com u 3656129 ReachabilityExample.zip..
iPhone SDK reachabilityWithAddress issue http://stackoverflow.com/questions/4070754/iphone-sdk-reachabilitywithaddress-issue netStatus hostReach currentReachabilityStatus if netStatus NotReachable NSLog @ NotReachable statusField.text @ NOT reachable return NO if netStatus ReachableViaWiFi NSLog @ ReachableViaWiFi statusField.text @ reachable return YES Reachability release.. statusField.text @ NOT reachable return NO if netStatus ReachableViaWiFi NSLog @ ReachableViaWiFi statusField.text @ reachable return YES Reachability release iphone sdk reachability share improve this question Instead of using the Reachability..
Can you use cancel/isCancelled with GCD/dispatch_async? http://stackoverflow.com/questions/5449469/can-you-use-cancel-iscancelled-with-gcd-dispatch-async won't be released and will be leaked . While the self quickly wrap up in a bow call can handle cleanup for any objects reachable through an instance variable or through a global pointer it cannot release objects that were only available locally in the..
http://stackoverflow.com/questions/5900181/reachability-causes-crash-after-no-network-situation-how-to-properly-use-reac but I've found some conflicting documentation about how to call it. Currently I'm doing something like this BOOL reachable Reachability r Reachability reachabilityWithHostName @ www.stackoverflow.com NetworkStatus internetStatus r currentReachabilityStatus.. NotReachable return NO return YES which I'm calling synchronously with a method called from viewDidAppear. if self reachable YES ... do network stuff ... which is based on the code from Reachability Guide for iOS 4 My question is there proper use..
Objective C alloc/release error http://stackoverflow.com/questions/6928028/objective-c-alloc-release-error The reachability flags are a bitwise set of flags that contain the information about connection availability BOOL reachable flags kSCNetworkReachabilityFlagsConnectionRequired NSString soapMessage self.xmlBody NSURL url NSURL URLWithString @ https..
How to write a simple Ping method in Cocoa/Objective-C http://stackoverflow.com/questions/798454/how-to-write-a-simple-ping-method-in-cocoa-objective-c is this a good idea The method only needs to ping a few times and return the average and 1 if the host is down or unreachable. iphone objective c cocoa cocoa touch networking share improve this question The code below seems to be working synchronously..
Memory usage grows with CTFontCreateWithName and CTFramesetterRef http://stackoverflow.com/questions/8491841/memory-usage-grows-with-ctfontcreatewithname-and-ctframesetterref fashion use Heapshot Analysis to figure out what is consuming memory. Leaks only reports objects that are no longer reachable objects whose address does not appear in any active regions of memory and thus leaks will not find many kinds of memory..
Disable Alert-view When connect to the Internet [closed] http://stackoverflow.com/questions/13520322/disable-alert-view-when-connect-to-the-internet connection The working Code void reachabilityChanged NSNotification note Reachability reach note object if reach isReachable notificationLabel.text @ Notification Says Reachable NSLog @ Internet is Up else notificationLabel.text @ Notification.. NSNotification note Reachability reach note object if reach isReachable notificationLabel.text @ Notification Says Reachable NSLog @ Internet is Up else notificationLabel.text @ Notification Says Unreachable NSLog @ Internet is Down UIAlertView.. viewDidLoad and use it after void reachabilityChanged NSNotification note Reachability reach note object if reach isReachable notificationLabel.text @ Notification Says Reachable NSLog @ Internet is Up self performSelector @selector dismissAlert..
http://stackoverflow.com/questions/3790957/reachability-guide-for-ios-4 reachabilityWithHostName @ enbr.co.cc NetworkStatus internetStatus r currentReachabilityStatus if internetStatus NotReachable return NO return YES When you want to check for reachability... if self reachable NSLog @ Reachable else NSLog @ Not Reachable.. internetStatus NotReachable return NO return YES When you want to check for reachability... if self reachable NSLog @ Reachable else NSLog @ Not Reachable Here is the example project that I made. http dl.dropbox.com u 3656129 ReachabilityExample.zip.. return NO return YES When you want to check for reachability... if self reachable NSLog @ Reachable else NSLog @ Not Reachable Here is the example project that I made. http dl.dropbox.com u 3656129 ReachabilityExample.zip share improve this answer..
How to find server is reachable with Reachability code in iPhone? http://stackoverflow.com/questions/5819088/how-to-find-server-is-reachable-with-reachability-code-in-iphone return netReach currentReachabilityStatus NetworkStatus netStatus netReach currentReachabilityStatus if netStatus ReachableViaWiFi ViewManager showStatus @ Reachable WiFi else if netStatus ReachableViaWWAN ViewManager showStatus @ Reachable WWAN.. NetworkStatus netStatus netReach currentReachabilityStatus if netStatus ReachableViaWiFi ViewManager showStatus @ Reachable WiFi else if netStatus ReachableViaWWAN ViewManager showStatus @ Reachable WWAN else ViewManager showStatus @ Not reachable.. currentReachabilityStatus if netStatus ReachableViaWiFi ViewManager showStatus @ Reachable WiFi else if netStatus ReachableViaWWAN ViewManager showStatus @ Reachable WWAN else ViewManager showStatus @ Not reachable aww When using reachabilityWithHostName..
How do I receive notifications that the connection has changed type (3G, Edge, Wifi, GPRS) http://stackoverflow.com/questions/7685152/how-do-i-receive-notifications-that-the-connection-has-changed-type-3g-edge-w BOOL connectionRequired curReach connectionRequired NSString statusString @ non switch netStatus case NotReachable statusString @ Access Not Available Minor interface detail connectionRequired may return yes even when the host is unreachable... may return yes even when the host is unreachable. We cover that up here... connectionRequired NO break case ReachableViaWWAN statusString @ Reachable WWAN UIAlertView alert UIAlertView alloc initWithTitle @ Cellular Data Detected message.. the host is unreachable. We cover that up here... connectionRequired NO break case ReachableViaWWAN statusString @ Reachable WWAN UIAlertView alert UIAlertView alloc initWithTitle @ Cellular Data Detected message @ You are using Cellular data such..
Easiest way to determine whether iPhone internet connection is available? http://stackoverflow.com/questions/784582/easiest-way-to-determine-whether-iphone-internet-connection-is-available @ www.apple.com retain NetworkStatus netStatus wifiReach currentReachabilityStatus switch netStatus case NotReachable NSLog @ Access Not Available break case ReachableViaWWAN NSLog @ Reachable WWAN break case ReachableViaWiFi NSLog @ Reachable..
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