//声明对象
@property ( nonatomic, strong) UISegmentedControl *segmentedcontrol;
//标题 NSArray *segmentArry = [NSArray arrayWithObjects: @"中国", @"美国", @"大不列颠英国", @"俄罗斯", nil]; //初始化 self.segmentedcontrol = [[UISegmentedControl alloc] initWithItems:segmentArry]; //iOS 7.0后被弃用 //self.segmentedcontrol.segmentedControlStyle = UISegmentedControlStylePlain; self.segmentedcontrol.frame = CGRectMake(20, 40, self.view.frame.size.width-40, 30); //默认值为NO，即点击后保持选中状态，如果设置为YES则，只是短暂的显示选中状态 self.segmentedcontrol.momentary = YES; //指示控件是否根据其内容宽度来调整片段宽度 self.segmentedcontrol.apportionsSegmentWidthsByContent = YES; //设置UISegmentedControl的边框、分割线、文字、点击后的颜色 self.segmentedcontrol.tintColor = [UIColor blueColor]; //通过Attribute字符串属性字典设置Segment标签属性(正常状态下) [ self.segmentedcontrol setTitleTextAttributes:@{NSFontAttributeName:[UIFont systemFontOfSize:15.0],NSForegroundColorAttributeName:[UIColor purpleColor]} forState:UIControlStateNormal]; //通过Attribute字符串属性字典设置Segment标签属性(选中状态下) [ self.segmentedcontrol setTitleTextAttributes:@{NSFontAttributeName:[UIFont systemFontOfSize:15.0],NSForegroundColorAttributeName:[UIColor redColor]} forState:UIControlStateSelected]; //添加事件 [ self.segmentedcontrol addTarget: self action :@selector(segmentAction:) forControlEvents:UIControlEventValueChanged]; [ self.view addSubview: self.segmentedcontrol];
//事件点击方法
- ( void)segmentAction:(UISegmentedControl *)click{ //UISegmentedControl的段数 NSInteger totelindext = self.segmentedcontrol.numberOfSegments; //当前选中Segment NSInteger selectindext = self.segmentedcontrol.selectedSegmentIndex; NSLog( @"共分：%ld段,当前选中：%ld段",totelindext,selectindext); //指定索引点插入新标题 [ self.segmentedcontrol insertSegmentWithTitle: @"德国" atIndex:selectindext animated: YES]; //指定索引点插入新图片 [ self.segmentedcontrol insertSegmentWithImage:[UIImage imageNamed: @"flag"] atIndex:selectindext animated: YES]; //移除指定Segment [ self.segmentedcontrol removeSegmentAtIndex:selectindext+1 animated: YES]; //移除全部Segment [ self.segmentedcontrol removeAllSegments]; //设置指定Segment的标题 [ self.segmentedcontrol setTitle: @"日本" forSegmentAtIndex:0]; //返回指定Segment的标题 NSString *segmentTitle = [ self.segmentedcontrol titleForSegmentAtIndex:0]; NSLog( @"索引为：0的标题设置为：%@",segmentTitle); //设置指定Segment的image [ self.segmentedcontrol setImage:[UIImage imageNamed: @"flag"] forSegmentAtIndex:0]; //返回指定Segment的image UIImage *segmentImage = [ self.segmentedcontrol imageForSegmentAtIndex:0]; NSLog( @"索引为：0的图片设置为：%@",segmentImage); //设置指定Segment的宽度 默认（0，0）自适应 [ self.segmentedcontrol setWidth:100 forSegmentAtIndex:0]; //返回指定Segment的宽度 CGFloat segmentW = [self.segmentedcontrol widthForSegmentAtIndex:0]; NSLog( @"索引为：0的Segment宽度设置为：%.2f",segmentW); //设置指定Segment的偏移量 [ self.segmentedcontrol setContentOffset:CGSizeMake(5.0, 2.0) forSegmentAtIndex:0]; //获取指定Segment的偏移量 CGSize segmentSize = [self.segmentedcontrol contentOffsetForSegmentAtIndex:0]; NSLog( @"索引为：0的Segment偏移量设置为：%@", NSStringFromCGSize(segmentSize)); //设置指定Segment是否有效 [ self.segmentedcontrol setEnabled: YES forSegmentAtIndex:0]; //返回指定Segment是否有效 BOOL segmentBool = [ self.segmentedcontrol isEnabledForSegmentAtIndex:0]; NSLog( @"索引为：0的Segment当前是否可以点击：%@",segmentBool ? @"可以": @"不可以");
}