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POGamekit and iPhone
 

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  1. POGamekit and iPhone
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    <p>I have my app set up to send a custom level in a form of a array to another person during a p2p connection. The receiving device saves the array to file for later use. I set up gamekit in my application, it will successfully search and connect to another device without any problems. Though a problem arises when I send data to a device, the receiving device will receive the data (and save the custom level like it should) but it will immediately crash afterwords. </p> <p>Here are my methods that I use to send and receive data. </p> <pre><code>-(void) sendDataToPeers:(NSData *) data { if (currentSession) { //send the data [self.currentSession sendDataToAllPeers:data withDataMode:GKSendDataReliable error:nil]; //Alerting the user that the custom level has been sent. UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Sent!" message:@"Your custom level has been sent." delegate:self cancelButtonTitle:@"Close" otherButtonTitles:nil]; [alert show]; [alert release]; } } -(void) btnSend { //Data that will be sent NSMutableData *theData = [NSMutableData data]; //Archiver NSKeyedArchiver *archiver = [[NSKeyedArchiver alloc] initForWritingWithMutableData:theData]; //Desired level to send int theLevel =[[CTManager sharedInstance]getLevel]; //Path to the custom levels NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *documentsDirectory=[paths objectAtIndex:0]; NSString *customLevelsSen = [documentsDirectory stringByAppendingPathComponent: [NSString stringWithFormat:@"customLevels"]]; //Custom levels array NSArray *theLevels = [[NSArray alloc] initWithContentsOfFile: customLevelsSen]; //Gets the desired level array from array of custom levels NSArray *myArray = [[NSArray alloc]initWithArray:[theLevels objectAtIndex:theLevel-51]]; //prepare data [archiver encodeObject:myArray forKey:@"level"]; [archiver finishEncoding]; //send the data [self sendDataToPeers:theData]; //cleanup [archiver release]; [theLevels release]; [myArray release]; } -(void) receiveData:(NSData *)data fromPeer:(NSString *)peer inSession:(GKSession *)session context:(void *)context { //Archiver NSKeyedUnarchiver *archiver = [[NSKeyedUnarchiver alloc] initForReadingWithData:data]; //Gets the custom level in form of an array from data. NSArray *level = [archiver decodeObjectForKey:@"level"]; [archiver finishDecoding]; [archiver release]; //Path to the array of custom levels NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *documentsDirectory=[paths objectAtIndex:0]; NSString *customLevelsRec = [documentsDirectory stringByAppendingPathComponent: [NSString stringWithFormat:@"customLevels"]]; //Gets the array of custom levels NSMutableArray *customLevelArray = [[NSMutableArray alloc] initWithContentsOfFile:customLevelsRec]; //Adds a new array to the array of custom levels [customLevelArray addObject:level]; //Saves the array. [customLevelArray writeToFile:customLevelsRec atomically:YES]; //cleanup [customLevelArray release]; //Message saying a custom level has been recieved UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Received!" message:@"A custom level has been saved." delegate:self cancelButtonTitle:@"Close" otherButtonTitles:nil]; [alert show]; [alert release]; } </code></pre> <p>Testing this has been a pain since I don't have two devices of my own currently, so I send a beta build to my friend who inturns tests them (he has ipod and iphone). Any help with this is appreciated...</p> <p>If I can't find the problem I will most likely send the entire xcode project to him and via screen share work with the project on his computer to efficiently build and test the application. And I will be able to use debug mode. </p>
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