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POObC : app crashes after returning NSMutableArray?
 

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  1. POObC : app crashes after returning NSMutableArray?
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    <p>I am new to ObC and have a problem that i just cant fix. There may be other issues as well but the main issue is this:</p> <ol> <li>Starting the app</li> <li>Press button = load new view</li> <li>In the new viewDidLoad i call another object/function and send a NSMutableArray</li> <li>Process data and send back a NSMutableArray</li> <li>App crash, see comment where. Most often when i go back and back again but sometimes the first time</li> </ol> <p>As i am new to this i guess i do a lot of this wrong but could someone nice take a look at the code and give me some advice. I would assume i have problem with releasing something.</p> <pre><code>- (void)viewDidLoad { [super viewDidLoad]; NSLog(@" "); NSLog(@"viewDidLoad "); NSLog(@" "); NSLog(@"&gt;&gt;Processing prepareGame&lt;&lt;"); NSMutableArray *propArray1 = [[NSMutableArray alloc] initWithObjects:@"9999", nil]; //Init with dummy numbers AccessPropertiesFile *readMyProperties = [AccessPropertiesFile new]; //Init function call to read file NSLog(@"Prepare to call readProperties"); propArray1 = [readMyProperties readPropertiesFile:propArray1]; NSLog(@"Back from readProperties:error after this"); /* for (NSString *element in propArray1) { NSLog(@"Elements in prop2Array; %@", element); } */ [readMyProperties release]; [propArray1 release]; } -(NSMutableArray *)readPropertiesFile:(NSMutableArray *)readDataArray { NSLog(@"Processing readProperties"); // For error information NSError *error; //Prepare File Manager NSString *filePath = [self dataFilePath]; NSFileManager *fileMgr; fileMgr = [NSFileManager defaultManager]; NSArray *propertiesArray = [NSArray alloc]; //Alloc array //Check from what module the call is coming from to ecide what to do if ([fileMgr fileExistsAtPath: filePath] == NO) { NSLog (@"File not found"); //File does not exists, this is the first time the game starts //Set up default parameters NSString *fileString =@"0\n30\n30\n10\n1\n1\n1\n2\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n"; // Write default parameters to file [fileString writeToFile:filePath atomically:YES encoding:NSUTF8StringEncoding error:&amp;error]; propertiesArray = [fileString componentsSeparatedByString:@"\n"]; // each line, adjust character for line endings } else { //File exists NSLog (@"File exists"); NSString *fileString = [NSString stringWithContentsOfFile:filePath encoding:NSUTF8StringEncoding error:nil]; // reads file into memory as an NSString propertiesArray = [fileString componentsSeparatedByString:@"\n"]; // each line, adjust character for line endings } //Clean readDataArray [readDataArray removeAllObjects]; //Populate return array for (NSString *element in propertiesArray) { //NSLog(@"Elements in propertiesArray; %@", element); [readDataArray addObject:element]; } NSLog(@"readDataArray: %@", readDataArray); [propertiesArray release]; [readDataArray autorelease]; NSLog(@"returning from readProperties"); return readDataArray; } @end </code></pre>
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