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POUISegmentedControl does not detect segment change in iOS5
 

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    <p>I have a UISegmentedControl</p> <pre><code>UIBarButtonItem *flex = [[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:nil]autorelease]; bottomSegmentedControl = [[UISegmentedControl alloc] initWithItems:nil]; [bottomSegmentedControl insertSegmentWithImage:[UIImage imageNamed:@"messages.png"] atIndex:0 animated:YES]; [bottomSegmentedControl insertSegmentWithImage:[UIImage imageNamed:@"news.png"] atIndex:1 animated:YES]; [bottomSegmentedControl insertSegmentWithImage:[UIImage imageNamed:@"chart.png"] atIndex:2 animated:YES]; //bottomSegmentedControl = [[UISegmentedControl alloc] initWithItems:[NSArray arrayWithObjects:@"Messages",@"News",@"Chart", nil]]; //bottomSegmentedControl.tintColor = [UIColor blackColor]; [bottomSegmentedControl addTarget:self action:@selector(segmentedControlChanged:)forControlEvents:UIControlEventValueChanged]; bottomSegmentedControl.segmentedControlStyle = UISegmentedControlStyleBar; bottomSegmentedControl.frame = CGRectMake(0,0,300,30); bottomSegmentedControl.momentary = NO; [bottomSegmentedControl setSelectedSegmentIndex:0]; UIBarButtonItem *segButton = [[UIBarButtonItem alloc] initWithCustomView:bottomSegmentedControl]; </code></pre> <p>When I step through the program <code>[bottomSegmentedControl setSelectedSegmentIndex:0];</code> does not trigger a UIControlEventValueChanged event which is where I do some stuff in <code>segmentedControlChanged:</code></p> <p>This used to work in iOS 4.3 but not in iOS5. How can I resolve this?</p>
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    1. USSheehan Alam
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    1. COI thought UIControlEvenValueChanged only gets called when the user actually pressing a different segment not by a coding change. Anyway why can't you just call the method you want to be fired when you change the 'setSelectedSegmentIndex'?
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      1. USSimplyKiwi
    2. COI need to swap images in and out when the segmentedControl changes. I assumed my addTarget: would pick this up. Do I have the wrong controlEvent?
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    3. CONo, like @Caleb said, it is most likely a bug since I remember doing this back in iOS 4 and it worked then.
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