IOS study every day - UISegmentedControl

The choice of control content scripts is above UISegmentedControl, the general application scenario is basically the function of class  UIButton。

(void)viewDidLoad {

    [super viewDidLoad];

   _se=[[UISegmentedControl alloc]initWithFrame:CGRectMake(0, 60,  self.view.frame.size.width, 40)];

    // Add element

    [_se insertSegmentWithTitle:@"1" atIndex:0 animated:NO];

    [_se insertSegmentWithTitle:@"2" atIndex:1 animated:NO];

     // Set default options. Attention must be written in the following elements are added, otherwise no effect.

    _se.selectedSegmentIndex=0;

  // Method for setting different elements

    [_se addTarget:self action:@selector(change) forControlEvents:UIControlEventValueChanged];

    

    [self.view addSubview:_se];

    

}

-(void)change{

    NSLog(@"%ld",_se.selectedSegmentIndex);

}

– (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

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