@implementation RootViewController @synthesize array; - (void)viewDidLoad { [super viewDidLoad]; self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"Load" style:UIBarButtonItemStyleDone target:self action:@selector(loadData)]; NSMutableArray *_array = [[NSMutableArray alloc] initWithCapacity:10000]; self.array = _array; [_array release]; } - (void) loadData { /* Operation Queue init (autorelease) */ NSOperationQueue *queue = [NSOperationQueue new]; /* Create our NSInvocationOperation to call loadDataWithOperation, passing in nil */ NSInvocationOperation *operation = [[NSInvocationOperation alloc] initWithTarget:self selector:@selector(loadDataWithOperation) object:nil]; /* Add the operation to the queue */ [queue addOperation:operation]; [operation release]; } - (void) loadDataWithOperation { NSURL *dataURL = [NSURL URLWithString:@"http://icodeblog.com/samples/nsoperation/data.plist"]; NSArray *tmp_array = [NSArray arrayWithContentsOfURL:dataURL]; for(NSString *str in tmp_array) { [self.array addObject:str]; } [self.tableView performSelectorOnMainThread:@selector(reloadData) withObject:nil waitUntilDone:YES]; } #pragma mark Table view methods - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { return 1; } - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { return [self.array count]; } - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease]; } [cell.textLabel setText:[self.array objectAtIndex:indexPath.row]]; return cell; } - (void)dealloc { [super dealloc]; [array release]; }
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