#import "RootViewController.h"//引入头文件#import "SVSegmentedControl.h"@implementation RootViewController- (void)viewDidLoad{    [super viewDidLoad];    // Do any additional setup after loading the view.       //初始化背景图    [self initBackgroundView];   }#pragma -makr -funcitons-(void)initBackgroundView{    SVSegmentedControl *options = [[SVSegmentedControl alloc] initWithSectionTitles:[NSArray arrayWithObjects:@"购车应用",@"车主应用", 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);}