call method from subclass of uiimageview

[sregorcinimod]

I have two .m files. The first is the main code, The second is a subclass of UIImageView so that i can detect touches.
In the main .m file I have added a progress bar and a customimageview both subviews of a scrollview.

What I need is that when a user touches the customimageview that the progress bar moves up and a double tap decreases the [Note: the customimageview has to have its touches recognised in the second .m because of them being in a subview of a scrollview and other controls are having to be handled]

In the main .m file I have a two methods:

- (void)pumpsingletap {
progbm.progress +=0.1;
}

- (void)pumpdoubletap {
progbm.progress -=0.1;
}

then in the subclassed uiimageview i have:

//inside touches method
if ([touch view].tag == 555) {
NSLog(@"pump touched");
switch ([allTouches count]) {
case 1: {
switch ([touch tapCount]) {
//---single tap---
case 1: {
NSLog(@"single pump touch");
[self performSelector:@selector(pumpsingletap) withObject:nil afterDelay:.4];
} break;
//---double tap---
case 2: {
NSLog(@"double pump touch");
[NSObject cancelPreviousPerformRequestsWithTarget:self selector:@selector(pumpsingletap) object:nil];
[self performSelector:@selector(pumpdoubletap) withObject:nil afterDelay:.4];
} break;
}
}
}
}

So the NSlog's appear so the touch recognition isn't an issue. But the performSelector falls over. As the customimageview pumpsingletap doesnt work.

So how do i call the method in the subclass

[sregorcinimod]

o I have added in the following code, in my subclass

mainMethod* callingMethod = [[mainMethod alloc] init];
[callingMethod performSelector:@selector(pumpsingletap) withObject:nil afterDelay:.4];

then in my main method for pumpsingletap i changed it to:

- (void)pumpsingletap {
NSLog(@"single pump method called");
progbm.progress +=0.1;
}

The NSLog for single pump method called appeared but the progress bar progbm - didn't move. so i have solved my calling issue - just need to now work out why the progress bar isnt moving!!

[baja_yu]

Please use [code] tags when posting source code.

Is the progress bar added through code or in IB? If latter, is the outlet connected properly, and in case of former where and how did you initialize the progress bar?

Also, what are the Min and Max values of the progressbar? Maybe 0.1 increments are too small to be noticeable, try setting it to 5, 10 or something and see if it has any effect.

[sregorcinimod]

The progress bar is added through code and the min value is 0.0 and max value 1.0.

If i intiate the pumpsingletap from with the main .m file the progress bar updates.

It's only if i call the pumpsingletap from the subclassed uiimageview that it doesn't work.

[baja_yu]

Are you sure 'progbm' is pointing to the right object, if anything at all?

Try putting this in the methods and see what the output will be

NSLog(@"progbm: %@", progbm);

[sregorcinimod]

If i add in the NSLog(@"progbm: %@", progbm)

it returns null.

Why would that be when the progbm is in the main viewcontroller .m and the -(void)pumpsingletap method is in the main viewcontroller.m

[sregorcinimod]

So I solved it by adding in NSNotifications and sending a notification from the subclass to the main view controller