【iphone】开发视频教程二里面的代码

////  VideoProject2ViewController.h//  VideoProject2////  Created by stu56 on 11-10-11.//  Copyright 2011 __MyCompanyName__. All rights reserved.//#import <UIKit/UIKit.h>@interface VideoProject2ViewController : UIViewController {		IBOutlet  UISlider *slider ; 	IBOutlet  UILabel *label ; 	}@property (nonatomic,retain) IBOutlet  UISlider *slider ;@property (nonatomic,retain)  IBOutlet UILabel *label ; -(IBAction) sliderChanged:(id) sender ; @end

////  VideoProject2ViewController.m//  VideoProject2////  Created by stu56 on 11-10-11.//  Copyright 2011 __MyCompanyName__. All rights reserved.//#import "VideoProject2ViewController.h"@implementation VideoProject2ViewController@synthesize slider;@synthesize label ;  -(IBAction) sliderChanged:(id) sender {	UISlider *s = (UISlider *)sender ; 			NSString *text =[NSString stringWithFormat:@"%3.2f", s.value];	label.text = text;		}/*// The designated initializer. Override to perform setup that is required before the view is loaded.- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];    if (self) {        // Custom initialization    }    return self;}*//*// Implement loadView to create a view hierarchy programmatically, without using a nib.- (void)loadView {}*//*// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.- (void)viewDidLoad {    [super viewDidLoad];}*//*// Override to allow orientations other than the default portrait orientation.- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {    // Return YES for supported orientations    return (interfaceOrientation == UIInterfaceOrientationPortrait);}*/- (void)didReceiveMemoryWarning {	// Releases the view if it doesn't have a superview.    [super didReceiveMemoryWarning];		// Release any cached data, images, etc that aren't in use.}- (void)viewDidUnload {	// Release any retained subviews of the main view.	// e.g. self.myOutlet = nil;}- (void)dealloc {		[slider release];	[label release];	    [super dealloc];}@end