UISlider does not redraw automatically

Question

I\'ve an UISlider on my app and I need sometimes to update not only its value but also its minimumValue. The values are changed but if I call the setValue method or assign a new

Answer 1

I've solved that by removing and adding again the slider to the toolbar. I've used this code:

NSMutableArray *items = [NSMutableArray arrayWithArray:self.toolbar.items];
id slider = [items lastObject]; 
[items removeLastObject];
self.toolbar.items = items;    
[items addObject:slider];
self.toolbar.items = items;

I've recovered my slider using an id instead an UISlider because that slider is inside a UIBarButtonItem