2010 Archives

- (BOOL)tabBarController:(UITabBarController *)tabBarController shouldSelectViewController:(UIViewController *)viewController

{

// NSLog(@"good to see it");

if (self.selectedViewController == viewController ) {

if ([((UINavigationController*)viewController).visibleViewController  respondsToSelector:@selector(showCategoryBtns)]) {

[ (TableViewController*)(((UINavigationController*)viewController).visibleViewController) showCategoryBtns];

return NO;解决问题关键

}

}

return YES;

}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath

{

    static NSString *CellIdentifier = @"ApplicationCell";

    ApplicationCell *cell = (ApplicationCell *)[tableView dequeueReusableCellWithIdentifier:CellIdentifier];

    if (cell == nil) {

#if USE_INDIVIDUAL_SUBVIEWS_CELL

        [[NSBundle mainBundle] loadNibNamed:@"IndividualSubviewsBasedApplicationCell" owner:self options:nil];

        cell = tmpCell;

        self.tmpCell = nil;

#elif USE_COMPOSITE_SUBVIEW_CELL

        cell = [[[CompositeSubviewBasedApplicationCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"ApplicationCell"] autorelease];

#elif USE_HYBRID_CELL

        cell = [[[HybridSubviewBasedApplicationCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"ApplicationCell"] autorelease];

#endif

    }

// Display dark and light background in alternate rows -- see tableView:willDisplayCell:forRowAtIndexPath:.

    cell.useDarkBackground = (indexPath.row % 2 == 0);

// Configure the data for the cell.

    NSDictionary *dataItem = [data objectAtIndex:indexPath.row];

    cell.icon = [UIImage imageNamed:[dataItem objectForKey:@"Icon"]];

    cell.publisher = [dataItem objectForKey:@"Publisher"];

    cell.name = [dataItem objectForKey:@"Name"];

    cell.numRatings = [[dataItem objectForKey:@"NumRatings"] intValue];

    cell.rating = [[dataItem objectForKey:@"Rating"] floatValue];

    cell.price = [dataItem objectForKey:@"Price"];

    cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;

    return cell;

}

- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldReceiveTouch:(UITouch *)touch {

    // Disallow recognition of tap gestures in the segmented control.

    if ((touch.view == segmentedControl) && (gestureRecognizer == tapRecognizer)) {

        return NO;

    }

    return YES;

}

- (void)handleSwipeFrom:(UISwipeGestureRecognizer *)recognizer {

CGPoint location = [recognizer locationInView:self.view];

[self showImageWithText:@"swipe" atPoint:location];

    if (recognizer.direction == UISwipeGestureRecognizerDirectionLeft) {

        location.x -= 220.0;

    }

    else {

        location.x += 220.0;

    }

[UIView beginAnimations:nil context:NULL];

[UIView setAnimationDuration:0.55];

imageView.alpha = 0.0;

imageView.center = location;

[UIView commitAnimations];

}