小编Sal*_*har的帖子

我得到了这个内存泄漏:

[UIPickerTableViewTitleCell initWithStyle:resuableIdentifier]; 

和

NSConcentrateMutableAttributedString.

问题是我没有实现这个委托.实现这一点后,内存泄漏就消失了.可能这些信息对其他人有用,因为我花了16个小时来解决这个问题.

// Do something with the selected row.
- (UIView *)pickerView:(UIPickerView *)pickerView viewForRow:(NSInteger)row forComponent:(NSInteger)component reusingView:(UIView *)view {

// Get the text of the row.
NSString *rowItem = [NSString stringWithFormat:@"     %@",[machineData objectAtIndex:row]];

// Create and init a new UILabel.
// We must set our label's width equal to our picker's width.
// We'll give the default height in each row.
UILabel *lblRow = [[UILabel alloc] initWithFrame:CGRectMake(0.0f, 0.0f, [pickerView bounds].size.width, 44.0f)];

// Make the text color red. …