1 UIDatePicker, 2 NSDate's, and a whole lot of memory problems! Help!

abc23023 · 07-20-2011, 01:39 AM

Hello Everyone,

In one of my view's I have a UIDatePicker. I Also have 2 NSDate*'s initialized in the header (.h) file.

Code:

 @interface time : UIViewController {
NSDate* fromDate;
NSDate* toDate;
IBOutlet UIDatePicker *datePicker;
}

@property (nonatomic, retain) NSDate* fromDate;
@property (nonatomic, retain) NSDate* toDate;
@property (nonatomic, retain) IBOutlet UIDatePicker *datePicker;

-(IBAction)dateChanged:(id)sender; //this is linked to the UIdatePicker as an action

in the .m file, I have

Code:

 
- (IBAction)dateChanged:(id)sender {
    NSDateFormatter *dateFormat = [[NSDateFormatter alloc] init];
    [dateFormat setDateFormat:@"MMM dd hh:mma"];
    
    if (fromPressed) //either fromPressed or toPressed (Booleans) is True at one time!
    {
        fromDate = self.datePicker.date;
    }
    else if (toPressed)
    {
        toDate= self.datePicker.date;
    }
    [dateFormat release];
    
}

The problem is that I cannot set both of these dates from the picker. It only stores the most recently picked date and "corrupts" the other one. I think this is a memory management error (perhaps pointer related?).

Help is appreciated, thanks!

Domele · 07-20-2011, 01:51 AM

Nvm, you aren't using your properties. The NSDate object isn't being retained and it is being auto released. Also get rid of your NSDateFormatter, you aren't using it.

Code:

- (IBAction)dateChanged:(id)sender {
    if (fromPressed) //either fromPressed or toPressed (Booleans) is True at one time!
    {
       self.fromDate = self.datePicker.date;
    }
    else if (toPressed)
    {
       self.toDate= self.datePicker.date;
    }

}

abc23023 · 07-20-2011, 11:10 AM

Thanks Domele!

It worked like a charm! (Also, the DateFormatter was being used in the if loops to print out the date to the screen. I erased it as it was not pertinent to the problem at hand, but thanks for looking out for me!)

-abc23023