学步园

#import "UITestViewController.h"

@implementation UITestViewController

- (void)pickerChanged:(id)sender
{
    NSLog(@"value: %@",[sender date]);
}

- (void)viewDidLoad {

    [super viewDidLoad];

    CGRect pickerFrame = CGRectMake(0,120,0,0);

    UIDatePicker *myPicker = [[UIDatePicker alloc] initWithFrame:pickerFrame];
    [myPicker addTarget:self action:@selector(pickerChanged:) forControlEvents:UIControlEventValueChanged];

    [self.view addSubview:myPicker];

    [myPicker release];    
}