At 15:43 -0600 27/2/09, James Cicenia wrote:
Here is my code:
- (void)monthFruitAction:(id)sender{
MonthPickerViewController *mpvc = [[MonthPickerViewController
alloc]initWithNibName:@"MonthPicker" bundle:nil];
[mpvc setMyParentController:self];
mpvc.view.frame =CGRectMake(19,66,260,258);
[fruitTypeView addSubview:mpvc.view];
}
How should I release mpvc ?
Conceptually, who owns the view?
Or alternatively, who controls when the view will be released?
Basically, you want the controller to be released when the view is released.
Usually in this sort of case I would have some overriding controller
(probably the window controller) that controlled adding/removing the
subview and that would also handle the controller. What object is
monthFruitAction: in? If it is the window controller, then it could
store the MonthPickerViewController in a property, and whenever time
comes to remove the view, it would also release (nil the property)
the MonthPickerViewController.
Another option would be to override viewDidMoveToSuperview (or on the
iPhone didMoveToSuperview) in the view, check for the superview being
nil and if so release the controller. Technically, someone else
might still have a reference to the view, and add it back to another
superview later, but thats an unusual design.
I'm not sure if the controller has a weak enough reference to the
view that you could release the controller in the view's dealloc
method.
Enjoy,
Peter.
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