私はカスタムビューを追加したいと思っています。現在のところ、細胞が再利用されると、バックグラウンドイメージが壊れてしまい、トップセルがボトムセルイメージなどを使用するようです。UITableViewCell backgroundViewが再利用されるべきでないときに再利用される
この場合、セルを正しく再使用していますか?
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
static NSString *CellIdentifier = @"Cell";
UIImageView *linkAvailableImageView = nil;
UIView *backgroundView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, tableView.bounds.size.width, 44)];
UIView *selectedBackgroundView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, tableView.bounds.size.width, 44)];
UIImageView *backgroundImage = [[UIImageView alloc] initWithFrame:CGRectMake(10, 0, tableView.bounds.size.width-20, 44)];
UIImageView *selectedBackgroundImage = [[UIImageView alloc] initWithFrame:CGRectMake(10, 0, tableView.bounds.size.width-20, 44)];
// Asset
Asset *asset = nil;
asset = (Asset *)[items objectAtIndex:indexPath.row];
int count = [items count];
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil) {
cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
if (indexPath.row == 0 && count > 1) {
backgroundImage.frame = CGRectMake(10, 0, tableView.bounds.size.width-20, 45);
backgroundImage.image = [[UIImage imageNamed:@"MDACCellBackgroundTop.png"] stretchableImageWithLeftCapWidth:5 topCapHeight:10];
selectedBackgroundImage.frame = CGRectMake(10, -1, tableView.bounds.size.width-20, 45);
selectedBackgroundImage.image = [[UIImage imageNamed:@"MDACCellBackgroundSelectedTop.png"] stretchableImageWithLeftCapWidth:5 topCapHeight:10];
} else if (indexPath.row == count-1 && count > 1) {
backgroundImage.image = [[UIImage imageNamed:@"MDACCellBackgroundBottom.png"] stretchableImageWithLeftCapWidth:5 topCapHeight:10];
selectedBackgroundImage.image = [[UIImage imageNamed:@"MDACCellBackgroundSelectedBottom.png"] stretchableImageWithLeftCapWidth:5 topCapHeight:10];
} else if (indexPath.row == 0 && count == 1) {
backgroundImage.frame = CGRectMake(10, -1, tableView.bounds.size.width-20, 45);
backgroundImage.image = [[UIImage imageNamed:@"MDACCellBackgroundSingle.png"] stretchableImageWithLeftCapWidth:5 topCapHeight:10];
selectedBackgroundImage.image = [[UIImage imageNamed:@"MDACCellBackgroundSelectedSingle.png"] stretchableImageWithLeftCapWidth:5 topCapHeight:10];
} else {
backgroundImage.image = [[UIImage imageNamed:@"MDACCellBackgroundMiddle.png"] stretchableImageWithLeftCapWidth:1 topCapHeight:10];
selectedBackgroundImage.image = [[UIImage imageNamed:@"MDACCellBackgroundSelectedMiddle.png"] stretchableImageWithLeftCapWidth:1 topCapHeight:10];
}//end
backgroundImage.autoresizingMask = UIViewAutoresizingFlexibleWidth;
[backgroundView addSubview:backgroundImage];
[backgroundImage release];
selectedBackgroundImage.autoresizingMask = UIViewAutoresizingFlexibleWidth;
[selectedBackgroundView addSubview:selectedBackgroundImage];
[selectedBackgroundImage release];
cell.backgroundView = backgroundView;
[backgroundView release];
cell.selectedBackgroundView = selectedBackgroundView;
[selectedBackgroundView release];
linkAvailableImageView = [[[UIImageView alloc] initWithFrame:CGRectMake(cell.contentView.bounds.size.width-39, 9, 24, 24)] autorelease];
linkAvailableImageView.autoresizingMask = UIViewAutoresizingFlexibleLeftMargin;
linkAvailableImageView.image = [UIImage imageNamed:@"MDACLinkArrow.png"];
linkAvailableImageView.tag = 3;
[cell.contentView addSubview:linkAvailableImageView];
} else {
linkAvailableImageView = (UIImageView *)[cell.contentView viewWithTag:3];
}
// Get asset
cell.textLabel.opaque = NO;
cell.textLabel.text = asset.name;
cell.textLabel.font = [UIFont boldSystemFontOfSize:17];
cell.textLabel.backgroundColor = [UIColor colorWithWhite:94./255. alpha:1];
cell.textLabel.textColor = [UIColor whiteColor];
cell.textLabel.shadowColor = [UIColor colorWithWhite:0 alpha:0.6];
cell.textLabel.shadowOffset = CGSizeMake(0, -1);
// Set the kind of disclosure indicator
if ([asset.children intValue] > 0) {
//cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
} else {
cell.accessoryType = UITableViewCellAccessoryNone;
}//end
// Lazy Load the image
if (!asset.appIcon) {
// Download icon
[self startIconDownload:asset forIndexPath:indexPath];
// if a download is deferred or in progress, return a placeholder image
cell.imageView.image = [UIImage imageNamed:@"default-icon.png"];
} else {
cell.imageView.image = asset.appIcon;
}//end
return cell;
}//end
ありがとう、これは私が探していた答えです。 –
@ nic-hubbard問題はありません:)うれしいです。 – RedBlueThing