1、UISegmentedControl

NSArray * array = @[@"red",@"green",@"yellow",@"blue",@"orange"];

//分段选择器

UISegmentedControl * segment = [[UISegmentedControl alloc] initWithItems:array];

segment.frame = CGRectMake(20, CGRectGetHeight(self.view.frame) - 100, CGRectGetWidth(self.view.frame) - 40, 30);

//是否能选中

segment.momentary = NO;

//文字适应宽度

segment.apportionsSegmentWidthsByContent = NO;

//根据索引插入数据

//    [segment insertSegmentWithTitle:@"apple" atIndex:1 animated:YES];

//    [segment setImage:[UIImage imageNamed:@"onimage"] forSegmentAtIndex:2];

segment.tintColor = [UIColor orangeColor];

[segment addTarget:self action:@selector(segmentAction:) forControlEvents:UIControlEventValueChanged];

[self.view addSubview:segment];

}

- (void)segmentAction:(UISegmentedControl *)segment {

NSInteger index = segment.selectedSegmentIndex;

switch (index) {

case 0:

self.view.backgroundColor = [UIColor redColor];

break;

case 1:

self.view.backgroundColor = [UIColor greenColor];

break;

case 2:

self.view.backgroundColor = [UIColor yellowColor];

break;

case 3:

self.view.backgroundColor = [UIColor blueColor];

break;

case 4:

self.view.backgroundColor = [UIColor orangeColor];

break;

default:

break;

}

}