iPhone常用控件、UIActionSheet、UIAlertView

核心提示：- (IBAction) segmentChanged: (id)sender;- (IBAction) buttonPressed: (id)sender;@end UntitledViewController.h// Untitled Created by Elf Sundae on 11/10/10.// Cop

- (IBAction) segmentChanged: (id)sender;

- (IBAction) buttonPressed: (id)sender;

@end

//

// UntitledViewController.h

// Untitled

//

// Created by Elf Sundae on 11/10/10.

// Copyright 2010 www.cnBlogs.com/ElfSundae. All rights reserved.

//

#import

#define kSegmentIndex_Switches 0

#define kSegmentIndex_Button 1

@interface UntitledViewController : UIViewController

{

UISwitch * leftSwitch;

UISwitch * rightSwitch;

UIButton * doSomethingButton;

}

@property (retain, nonatomic) IBOutlet UISwitch *leftSwitch;

@property (retain, nonatomic) IBOutlet UISwitch *rightSwitch;

@property (retain, nonatomic) IBOutlet UIButton *doSomethingButton;

- (IBAction) switchChanged: (id)sender;

- (IBAction) segmentChanged: (id)sender;

- (IBAction) buttonPressed: (id)sender;

@end

OBJECTIVE-C CODE :UntitledViewController.m

// UntitledViewController.m

// Untitled

//

// Created by Elf Sundae on 11/10/10.

// Copyright 2010 www.cnBlogs.com/ElfSundae. All rights reserved.

//

#import "UntitledViewController.h"

@implementation UntitledViewController

@synthesize leftSwitch;@synthesize rightSwitch;@synthesize doSomethingButton;// 属性on：获取开关的状态是否为on

// 方法setOn：设置开关的状态

- (IBAction) switchChanged: (id)sender{ UISwitch *whichSwitch = (UISwitch *)sender; BOOL setting = whichSwitch.on; [leftSwitch setOn:setting animated:YES]; [rightSwitch setOn:setting animated:YES];}- (IBAction) segmentChanged: (id)sender{ switch ([sender selectedSegmentIndex]) { case kSegmentIndex_Switches:

leftSwitch.hidden = NO; rightSwitch.hidden = NO; doSomethingButton.hidden =