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作爲iOS的初學者，我正在使用表視圖創建一個應用程序。我只是運行我的應用程序，而運行應用程序，應用程序不調用方法cellForRowIndexPath。我使用Json作爲Web服務。在輸出屏幕中，將顯示解析數據，但不會在模擬器中顯示。我把斷點，我明白了cellForRowIndexPath路徑沒有被調用。我將datasourse和數據委託拖到xib文件的onner上。但沒有發生......表視圖是得到顯示，但沒有內容...我擰。任何一個請幫我...方法cellForRowAtIndexPath方法未被調用
@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:@"%@ %@",CURRENCY_UNIT,[[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];
}