我是iOS的初学者,在桌面视图的帮助下创建了一个应用程序.我只是运行我的应用程序,在运行应用程序时,应用程序不会调用方法cellForRowIndexPath.我使用Json作为Web服务.在输出屏幕中,显示解析数据但不会在模拟器中显示.我把断点,我明白没有调用cellForRowIndexPath路径.我将datasourse和数据委托拖到xib文件的文件上.但没有任何事情发生……桌面视图显示但没有内容……我搞砸了..任何人请帮帮我…
@implementation MSPackagesController @synthesize packageTable; @synthesize packages; @synthesize mainCtrl; - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil { self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]; if (self) { // Custom initialization } return self; } -(void)viewDidLoad { [super viewDidLoad]; } -(void)parseData { MBProgressHUD *hud = [MBProgressHUD showHUDAddedTo:self.view animated:YES]; hud.animationType = MBProgressHUDAnimationFade; hud.detailsLabelText = @"Loading..."; MSJsonParser *parser = [[MSJsonParser alloc]initWithParserType:kPackagesParsing]; parser._parserSource = self; [parser requestParsingWithUrl:PACKAGES_LIST_URL]; } -(void)sharePackageFromCell:(UIButton*)btn { MBProgressHUD *hud = [MBProgressHUD showHUDAddedTo:self.view animated:YES]; hud.animationType = MBProgressHUDAnimationFade; hud.detailsLabelText = @"Loading..."; NSString *title = [[self.packages objectAtIndex:btn.tag] packageName]; /*NSURL *imgUrl = [NSURL URLWithString:[[self.promotions objectAtIndex:btn.tag] picture]]; NSData *imgdata = [NSData dataWithContentsOfURL:imgUrl]; UIImage *image = [UIImage imageWithData:imgdata];*/ // NSURL *imgUrl = [NSURL URLWithString:[[self.packages objectAtIndex:btn.tag] picture]]; NSString *desc = [[self.packages objectAtIndex:btn.tag] packageDescription]; NSString *message = @"Visit GlamZapp in AppStore"; UIActivityViewController *activityCtrl = [[UIActivityViewController alloc]initWithActivityItems:[NSArray arrayWithObjects:title,desc,message,nil] applicationActivities:nil]; activityCtrl.excludedActivityTypes = @[UIActivityTypePrint,UIActivityTypePostToWeibo,UIActivityTypeMessage,UIActivityTypeAssignToContact]; activityCtrl.completionHandler = ^(NSString *activityType,BOOL completed) { NSLog(@" activityType: %@",activityType); NSLog(@" completed: %i",completed); }; [self.mainCtrl presentViewController:activityCtrl animated:YES completion:^{ [MBProgressHUD hideAllHUDsForView:self.view animated:YES]; }]; } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } #pragma mark - Table view data source - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { // Return the number of sections. return 1; } - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { // Return the number of rows in the section. return [packages count]; } - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; MSPackagesCell *cell = (MSPackagesCell*)[tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { NSArray *cells = [[NSBundle mainBundle]loadNibNamed:[Common checkDeviceforController:@"MSPackagesCell"] owner:nil options:nil]; for (id eachObject in cells) { cell = eachObject; break; } //cell.selectionStyle = UITableViewCellSelectionStyleNone; cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator; } // Configure the cell... // NSURL *imgUrl = [NSURL URLWithString:[[self.promotions objectAtIndex:indexPath.row]picture]]; //[cell.promoImg setImageWithURL:imgUrl placeholderImage:[UIImage imageNamed:@"slider_dummy.jpg"] andSize:cell.promoImg.frame.size]; cell.PackageName.text = [[self.packages objectAtIndex:indexPath.row] packageName]; cell.PackageDescription.text = [[self.packages objectAtIndex:indexPath.row] packageDescription]; // NSMutableAttributedString *strikedPrice = [[NSMutableAttributedString alloc]initWithString:[NSString stringWithFormat:@"%@ %@",CURRENCY_UNIT,[[self.packages objectAtIndex:indexPath.row] packageAmount] ] ]; // [strikedPrice addAttribute:NSStrikethroughStyleAttributeName value:[NSNumber numberWithInt:2] range:NSMakeRange(0,[strikedPrice length])]; //cell.oldPriceLabel.attributedText = strikedPrice; cell.PriceLabel.text = [NSString stringWithFormat:@"%@ %@",[[self.packages objectAtIndex:indexPath.row] packageAmount] ]; //[string appendFormat:@"%@\r\n",message]; // cell.promocodelabel.text = [NSString stringWithFormat:@"Promo code: %@",[[self.packages objectAtIndex:indexPath.row] promoCode]]; cell.ShareButton.tag = indexPath.row; [cell.ShareButton addTarget:self action:@selector(sharePackageFromCell:) forControlEvents:UIControlEventTouchUpInside]; return cell; } - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { // MSPackageDetailsController *promDet = [[MSPackageDetailsController alloc]initWithNibName:[Common checkDeviceforController:@"MSPackageDetailsController"] bundle:nil]; // promDet.delegate = self; // promDet.offerId = [[self.packages objectAtIndex:indexPath.row] promoId]; // promDet.title = [[self.packages objectAtIndex:indexPath.row] promoTitle]; // [self.delegate didSelectPromotion:promDet]; [tableView deselectRowAtIndexPath:indexPath animated:YES]; } -(void)foundPackagesData:(NSArray *)packa { [MBProgressHUD hideAllHUDsForView:self.view animated:YES]; self.packages = packa; [self.packageTable reloadData]; } -(void)connectionFailed { [MBProgressHUD hideAllHUDsForView:self.view animated:YES]; }