iPhone控件之UISegmentedControl

- (void)segmentClick:(id)sender
{
NSLog(@"you selected segment %d",[sender selectedSegmentIndex]);
}

- (void)viewDidLoad {

[super viewDidLoad];

NSArray *arrSegments = [[NSArray alloc] initWithObjects:
[NSString stringWithString:@"0"],
[NSString stringWithString:@"1"],
[NSString stringWithString:@"2"],nil];

UISegmentedControl *mySegment = [[UISegmentedControl alloc] initWithItems:arrSegments];

CGRect segmentRect = CGRectMake(10,50,300,40);
[mySegment setFrame:segmentRect];

[mySegment addTarget:self action:@selector(segmentClick:) forControlEvents:UIControlEventValueChanged];

[mySegment setSegmentedControlStyle:UISegmentedControlStyleBar];
[mySegment setTintColor:[UIColor darkGrayColor]];

//select first item
[mySegment setSelectedSegmentIndex:0];

//change a segment size
[mySegment setWidth:120.0 forSegmentAtIndex:1];

//add a new segment
[mySegment insertSegmentWithTitle:@"new" atIndex:2 animated:YES];

//add segment to main view
[self.view addSubview:mySegment];

[arrSegments release];
[mySegment release];
}