iphone-sdk-3.0

问题 Maybe is there a good way to determine if I have an internet connection or not? (3G or wifi) Thanks! 回答1: Here's something a new search engine called Google revealed: iPhone SDK: Testing Network Reachability 回答2: See SCNetworkReachabilityRef datatype in the SystemConfigration framework. It does not test the network per se, it's a framework around ping. 来源： https://stackoverflow.com/questions/2401987/network-reachability-on-iphone

问题 I don't want to show Like button... I just want to get the Number of count that has been liked for particular link... Just Cont.. No like button No dialogue Nothing 回答1: Just do a simple url request to the Graph API: http://graph.facebook.com/[FULL URL] Example: http://graph.facebook.com/http://www.stackoverflow.com Edit: (an example with "LIKES") http://graph.facebook.com/http://www.imdb.com/title/tt0117500/ Awesome, isn't it? 回答2: Just wanted to mention that if your URL has any question

问题 In my app, I use a very large amount of code that I copied from Apple's SpeakHere example, and when I run the app on an iPhone device it spits out this error about a hundred times before loading the XIB: unable to read unknown load command 0x80000022 It also prints these errors: warning: Unable to read symbols for ""/Users/eamonford/Desktop/Sleep Blaster touch/build/Debug-iphoneos"/Sleep Blaster touch.app/Sleep Blaster touch" (file not found). warning: Couldn't raise load state for requested

问题 i used this code to show uipicker in uiactionsheet but when i click close button i want to remove action sheet from view. so what should be the code for removing actionSheet form view. - (BOOL)textFieldShouldBeginEditing:(UITextField *)textField { UIActionSheet *actionSheet = [[UIActionSheet alloc] initWithTitle:nil delegate:nil cancelButtonTitle:nil destructiveButtonTitle:nil otherButtonTitles:nil]; [actionSheet setActionSheetStyle:UIActionSheetStyleBlackTranslucent]; CGRect pickerFrame =

问题 I have a requirement where i am showing actionSheet but in case user does not dismiss this actionsheet by selecting one of the option, i want to dismiss this automatically by program on a particular event. Any idea guys, how can i dismiss this actionsheet progratically? 回答1: Use: - (void)dismissWithClickedButtonIndex:(NSInteger)buttonIndex animated:(BOOL)animated 来源： https://stackoverflow.com/questions/1551587/how-to-dismiss-uiactionsheet-automatically

问题 How can I self-sign an iPhone application using XCode? I have done the following: Created a cert following these instructions Modified my /Developer/Platforms/iPhoneOS.platform/Info.plist to include the two keys <key>PROVISIONING_PROFILE_ALLOWED</key> <string>NO</string> <key>PROVISIONING_PROFILE_REQUIRED</key> <string>NO</string> I have changed the info.plist associated with the project to say <key>SignerIdentity</key> <string>Apple iPhone OS Application Signing</string> I have changed the

问题 I have an image of a bottle, whenever user shakes the device i want to move that image in that direction. like up, down, left or right. For example: if user is shaking the device in left direction i want to move that image in left direction. i can detect shake event using - (void)motionEnded:(UIEventSubtype)motion withEvent:(UIEvent *)event { if(event.subtype==UIEventSubtypeMotionShake) {/*some code*/} } but i dont know how to detect the direction. i dont even if this is possible or not.

问题 So I have an application and I want to keep it working even if the screen is turned off. Previously when I wanted to do that I used this hack/trick - I play a silent/empty sound in a loop in the background (AudioServicesPlaySystemSound) so if user presses the on/off button the application still works in the background - so it never allow iPhone to go to sleep mode - it just turned off the screen and maybe things like wifi or bluetooth (and on the iPod Touch accelerometers as far as I remember

问题 This is for jailbroken iPhone. Is there a way I can access the call_history.db on iPhone which is a database where apple logs the phone call information. It is stored at /private/var/mobile/Library/CallHistory directory. When I try to enumerate directory paths under /private/var/mobile/Library it does not list CallHistory folder but everything else. I guess Apple does allow access somehow despite of having all the permissions. Is there a way I can get access to call_history.db and copy it

问题 This is for jailbroken iPhone. Is there a way I can access the call_history.db on iPhone which is a database where apple logs the phone call information. It is stored at /private/var/mobile/Library/CallHistory directory. When I try to enumerate directory paths under /private/var/mobile/Library it does not list CallHistory folder but everything else. I guess Apple does allow access somehow despite of having all the permissions. Is there a way I can get access to call_history.db and copy it