我已经开启了NSZombieEnabled，当发生以下情况时，我似乎遇到了崩溃。
转到＆＃34;设置＆＃34;通过标签栏查看控制器并从那里进入罪魁祸首视图控制器，然后单击另一个选项卡（之前不返回设置视图控制器），然后单击标签栏上的＆＃34;设置＆＃34;试。
这是tableView：cellForRowAtIndexPath
的代码- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
UITableViewCell *cell;
static NSString *CellIdentifier = @"Cell";
cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if(cell == nil)
cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:@"temp"] autorelease];
cell.selectionStyle = UITableViewCellSelectionStyleGray;
if(indexPath.section == 1 && [PMSessionManager instance].paymentMethods.cards != nil)
{
if([[PMSessionManager instance].paymentMethods.cards count] > indexPath.row)
{
cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
//Reverse the array if it's in the wrong order
if([[[[PMSessionManager instance].paymentMethods.cards objectAtIndex:indexPath.row] cardStatus] isEqualToString:@"Secondary"] && indexPath.row == 0)
{
NSArray* reversedArray = [[[PMSessionManager instance].paymentMethods.cards reverseObjectEnumerator] allObjects];
[PMSessionManager instance].paymentMethods.cards = reversedArray;
}
PMCardInfo *cardInfo = [[PMSessionManager instance].paymentMethods.cards objectAtIndex:indexPath.row];
if([cardInfo.cardStatus isEqualToString:@"Primary"] && indexPath.row == 1)
cardInfo = [[PMSessionManager instance].paymentMethods.cards objectAtIndex:(indexPath.row -1)];
UILabel *cardLabel =
[[[UILabel alloc]
initWithFrame:
CGRectMake(
cell.indentationWidth,
0.075 * (tableView.rowHeight - 2 * 14),
200,
26)]
autorelease];
[cell.contentView addSubview:cardLabel];
cardLabel.text = [NSString stringWithFormat:@"%@", [cardInfo.cardStatus capitalizedString]];
cardLabel.backgroundColor = [UIColor clearColor];
cardLabel.textColor = [UIColor colorWithRed:0.25 green:0.0 blue:0.0 alpha:1.0];
cardLabel.font = [UIFont boldSystemFontOfSize:[UIFont systemFontSize]];
NSString *cardTypeString = [NSString stringWithFormat:@"%@", [cardInfo.cardType capitalizedString]];
CGSize cardTypeStringSize = [cardTypeString sizeWithFont:[UIFont boldSystemFontOfSize:[UIFont systemFontSize]]];
UILabel *cardTypeLabel =
[[[UILabel alloc]
initWithFrame:
CGRectMake(
cell.indentationWidth,
0.63 * (tableView.rowHeight - 2 * 14),
cardTypeStringSize.width,
24)]
autorelease];
[cell.contentView addSubview:cardTypeLabel];
cardTypeLabel.text = [NSString stringWithFormat:@"%@", [cardInfo.cardType capitalizedString]];
cardTypeLabel.backgroundColor = [UIColor clearColor];
cardTypeLabel.textColor = [UIColor colorWithRed:0.25 green:0.0 blue:0.0 alpha:1.0];
cardTypeLabel.font = [UIFont boldSystemFontOfSize:[UIFont systemFontSize]];
UILabel *digitsLabel =
[[[UILabel alloc]
initWithFrame:
CGRectMake(
cardTypeStringSize.width + 4 + cell.indentationWidth,
0.6 * (tableView.rowHeight - 2 * 14),
150,
26)]
autorelease];
[cell.contentView addSubview:digitsLabel];
digitsLabel.text = [NSString stringWithFormat:@"ending with %@", cardInfo.last4Digits];
digitsLabel.backgroundColor = [UIColor clearColor];
digitsLabel.textColor = [UIColor colorWithRed:0.25 green:0.0 blue:0.0 alpha:1.0];
digitsLabel.font = [UIFont systemFontOfSize:[UIFont systemFontSize]];
//Let's make the expiration year just two digits
if(cardInfo.expYear.length == 4)
cardInfo.expYear = [cardInfo.expYear substringFromIndex:2];
UILabel *expirationLabel =
[[[UILabel alloc]
initWithFrame:
CGRectMake(
cell.indentationWidth,
1.0 * (tableView.rowHeight - 2 * 14),
150,
26)]
autorelease];
[cell.contentView addSubview:expirationLabel];
expirationLabel.text = [NSString stringWithFormat:@"Expires on %@/%@", cardInfo.expMonth, cardInfo.expYear];
expirationLabel.backgroundColor = [UIColor clearColor];
expirationLabel.textColor = [UIColor colorWithRed:0.25 green:0.0 blue:0.0 alpha:1.0];
expirationLabel.font = [UIFont systemFontOfSize:[UIFont systemFontSize]];
}
else
{
UILabel *cardTypeLabel =
[[[UILabel alloc]
initWithFrame:
CGRectMake(
cell.indentationWidth,
0.25 * (tableView.rowHeight - 2 * 14),
275.0,
24)]
autorelease];
[cell.contentView addSubview:cardTypeLabel];
if([[PMSessionManager instance].paymentMethods.cards count] == 2)
cardTypeLabel.text = @"Swap Primary and Secondary Cards";
else
cardTypeLabel.text = @"Add Credit Card";
cardTypeLabel.textAlignment = UITextAlignmentCenter;
cardTypeLabel.backgroundColor = [UIColor clearColor];
cardTypeLabel.textColor = [UIColor colorWithRed:0.25 green:0.0 blue:0.0 alpha:1.0];
cardTypeLabel.font = [UIFont boldSystemFontOfSize:[UIFont systemFontSize]];
}
}
else if(indexPath.section == 0)
{
if([PMSessionManager instance].paymentMethods.wallet != nil)
{
if(indexPath.row == 0)
{
NSString *balanceString = [Util numberToCurrencyString:[PMSessionManager instance].paymentMethods.wallet.balance];
NSString *availableBalanceString = @"Available Balance";
CGSize balanceStringSize = [balanceString sizeWithFont:[UIFont boldSystemFontOfSize:32.0]];
CGSize availableBalanceStringSize = [availableBalanceString sizeWithFont:[UIFont boldSystemFontOfSize:[UIFont systemFontSize]]];
CGFloat textWidth = balanceStringSize.width + 5.0 + availableBalanceStringSize.width;
CGFloat margin = (275.0 - textWidth)/2;
UILabel *balanceLabel =
[[[UILabel alloc]
initWithFrame:
CGRectMake(
cell.indentationWidth + margin,
0.45 * (tableView.rowHeight - 2 * 14),
275.0,
32)]
autorelease];
[cell.contentView addSubview:balanceLabel];
balanceLabel.text = balanceString;
balanceLabel.textAlignment = UITextAlignmentLeft;
balanceLabel.backgroundColor = [UIColor clearColor];
balanceLabel.textColor = [UIColor colorWithRed:0.25 green:0.0 blue:0.0 alpha:1.0];
balanceLabel.font = [UIFont boldSystemFontOfSize:32.0];
UILabel *walletBalanceLabel =
[[[UILabel alloc]
initWithFrame:
CGRectMake(
balanceStringSize.width + 5 + cell.indentationWidth + margin,
0.72 * (tableView.rowHeight - 2 * 14),
275.0,
24)]
autorelease];
[cell.contentView addSubview:walletBalanceLabel];
walletBalanceLabel.text = availableBalanceString;
walletBalanceLabel.textAlignment = UITextAlignmentLeft;
walletBalanceLabel.backgroundColor = [UIColor clearColor];
walletBalanceLabel.textColor = [UIColor colorWithRed:0.25 green:0.0 blue:0.0 alpha:1.0];
walletBalanceLabel.font = [UIFont boldSystemFontOfSize:[UIFont systemFontSize]];
cell.selectionStyle = UITableViewCellSelectionStyleNone;
}
if(indexPath.row == 1)
{
UILabel *walletSettingsLabel =
[[[UILabel alloc]
initWithFrame:
CGRectMake(
cell.indentationWidth,
0.25 * (tableView.rowHeight - 2 * 14),
275.0,
24)]
autorelease];
[cell.contentView addSubview:walletSettingsLabel];
walletSettingsLabel.text = @"Edit Wallet Settings";
walletSettingsLabel.textAlignment = UITextAlignmentCenter;
walletSettingsLabel.backgroundColor = [UIColor clearColor];
walletSettingsLabel.textColor = [UIColor colorWithRed:0.25 green:0.0 blue:0.0 alpha:1.0];
walletSettingsLabel.font = [UIFont boldSystemFontOfSize:[UIFont systemFontSize]];
}
}
else
{
if(indexPath.row == 0)
{
UILabel *learnMoreLabel =
[[[UILabel alloc]
initWithFrame:
CGRectMake(
cell.indentationWidth,
0.25 * (tableView.rowHeight - 2 * 14),
275.0,
24)]
autorelease];
[cell.contentView addSubview:learnMoreLabel];
learnMoreLabel.text = @"Learn More";
learnMoreLabel.textAlignment = UITextAlignmentCenter;
learnMoreLabel.backgroundColor = [UIColor clearColor];
learnMoreLabel.textColor = [UIColor colorWithRed:0.25 green:0.0 blue:0.0 alpha:1.0];
learnMoreLabel.font = [UIFont boldSystemFontOfSize:[UIFont systemFontSize]];
}
if(indexPath.row == 1)
{
UILabel *signUpLabel =
[[[UILabel alloc]
initWithFrame:
CGRectMake(
cell.indentationWidth,
0.25 * (tableView.rowHeight - 2 * 14),
275.0,
24)]
autorelease];
[cell.contentView addSubview:signUpLabel];
signUpLabel.text = @"Sign Up for Wallet";
signUpLabel.textAlignment = UITextAlignmentCenter;
signUpLabel.backgroundColor = [UIColor clearColor];
signUpLabel.textColor = [UIColor colorWithRed:0.25 green:0.0 blue:0.0 alpha:1.0];
signUpLabel.font = [UIFont boldSystemFontOfSize:[UIFont systemFontSize]];
}
}
}
return cell;
}
使用NSZombieEnabled，我在日志中收到此消息：
-[PaymentMethodViewController tableView:cellForRowAtIndexPath:]: message sent to deallocated instance 0x404ae00
上面的代码片段来自此PaymentMethodViewController。有什么想法吗？
答案 0 :(得分：0)
这个问题的第一个答案似乎解决了这个问题。
Pop to root view controller without animation crash for the table view