I have a UIPickerView on a UIView. I've implemented its protocol and delegates in the .m file:

 <UIPickerViewDataSource, UIPickerViewDelegate>

In IB, I've connected the above to the picker, which I also have an IBoutlet for. The methods look like this:

- (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)thePickerView {
return 1;
}

- (NSInteger)pickerView:(UIPickerView *)thePickerView numberOfRowsInComponent:(NSInteger)component {
return [self.arr count];
}

- (NSString *)pickerView:(UIPickerView *)thePickerView titleForRow:(NSInteger)row  forComponent:(NSInteger)component {
return @"test";
}

- (void)pickerView:(UIPickerView *)thePickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component {
//do something
}

Any ideas which piece I'm missing to get the picker working?