#import <UIKit/UIKit.h>@interface RootViewController : UIViewController@end

#import "RootViewController.h"http://引入頭文件#import "SVSegmentedControl.h"@interface RootViewController ()@end@implementation RootViewController- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil{  self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];  if (self) {    // Custom initialization  }  return self;}- (void)viewDidLoad{  [super viewDidLoad];  // Do any additional setup after loading the view.  //初始化背景圖  [self initBackgroundView];}#pragma -makr -funcitons-(void)initBackgroundView{  SVSegmentedControl *options = [[SVSegmentedControl alloc] initWithSectionTitles:[NSArray arrayWithObjects:@"購車應用",@"車主應用", nil]];  options.center=CGPointMake(160, 100);  [options setSelectedSegmentIndex:0 animated:NO];  [options addTarget:self action:@selector(segmentedControlChangedValue:) forControlEvents:UIControlEventValueChanged];  [self.view addSubview:options];}#pragma -mark -doClickAction- (void)segmentedControlChangedValue:(SVSegmentedControl*)segmentedControl {  NSLog(@"--index--%i-", segmentedControl.selectedSegmentIndex);}- (void)didReceiveMemoryWarning{  [super didReceiveMemoryWarning];  // Dispose of any resources that can be recreated.}