音效服务以及震动功能的实现

头文件：

#import
#include

@interface SoundViewController : UIViewController {
IBOutlet UISwitch *swcallback;
IBOutlet UIPickerView *soundPicker;
NSArray *soundData;
SystemSoundID soundFileObject;
}

@property (nonatomic, retain) UISwitch *swcallback;
@property (nonatomic, retain) UIPickerView *soundPicker;
@property (nonatomic, retain) NSArray *soundData;
@property (readonly) SystemSoundID soundFileObject;

static void completionCallback (SystemSoundID mySSID, void *myself);
- (IBAction) playSystemSound;
- (IBAction) playAlertSound;
- (IBAction) vibrate;
- (IBAction) StopPlaySound;
- (void) GetPlaysound;

@end

#import #include @interface SoundViewController : UIViewController { IBOutlet UISwitch *swcallback; IBOutlet UIPickerView *soundPicker; NSArray *soundData; SystemSoundID soundFileObject; } @property (nonatomic, retain) UISwitch *swcallback; @property (nonatomic, retain) UIPickerView *soundPicker; @property (nonatomic, retain) NSArray *soundData; @property (readonly) SystemSoundID soundFileObject; static void completionCallback (SystemSoundID mySSID, void *myself); - (IBAction) playSystemSound; - (IBAction) playAlertSound; - (IBAction) vibrate; - (IBAction) StopPlaySound; - (void) GetPlaysound; @end

实现文件：

#import "SoundViewController.h"

@implementation SoundViewController

@synthesize swcallback, soundPicker, soundData, soundFileObject;

-(IBAction) StopPlaySound{
AudioServicesRemoveSystemSoundCompletion(self.soundFileObject);
}

-(void) GetPlaysound{
[self StopPlaySound];
NSInteger row = [soundPicker selectedRowInComponent:0];
NSString *soundfilename;
switch (row) {
case 0:
soundfilename = @"1.wav";
break;
case 1:
soundfilename = @"2.wav";
break;
case 2:
soundfilename = @"3.wav";
break;
default:
break;
}
NSString *Path = [[NSBundle mainBundle] bundlePath];
NSURL *soundfileURL = [NSURL fileURLWithPath:[Path stringByAppendingPathComponent:soundfilename]];
AudioServicesCreateSystemSoundID((CFURLRef)soundfileURL, &soundFileObject);
if ([swcallback isOn]){
AudioServicesAddSystemSoundCompletion(soundFileObject, NULL, NULL, completionCallback, (void *) self);
}
}

static void completionCallback(SystemSoundID mySSID, void *myself){
AudioServicesPlaySystemSound(mySSID);
}

- (IBAction) playSystemSound{
[self GetPlaysound];
AudioServicesPlaySystemSound(self.soundFileObject);
}

-(IBAction) playAlertSound{
[self GetPlaysound];
AudioServicesPlayAlertSound(self.soundFileObject);
}

- (IBAction) vibrate{
AudioServicesPlaySystemSound(kSystemSoundID_Vibrate);
}

- (void)viewDidLoad{
[super viewDidLoad];
NSArray *array = [[NSArray alloc] initWithObjects:@"音效1", @"音效2", @"音效3", nil];
self.soundData = array;
[array release];
}

- (void)dealloc{
[super dealloc];
AudioServicesDisposeSystemSoundID(self.soundFileObject);
}

#pragma mark -
#pragma mark soundPicker Data Soure

- (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView{
return 1;
}

- (NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component{
return [soundData count];
}

#pragma mark -
#pragma mark soundPicker Delegate

- (NSString *)pickerView:(UIPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component{
return [soundData objectAtIndex:row];
}

@end

#import "SoundViewController.h" @implementation SoundViewController @synthesize swcallback, soundPicker, soundData, soundFileObject; -(IBAction) StopPlaySound{ AudioServicesRemoveSystemSoundCompletion(self.soundFileObject); } -(void) GetPlaysound{ [self StopPlaySound]; NSInteger row = [soundPicker selectedRowInComponent:0]; NSString *soundfilename; switch (row) { case 0: soundfilename = @"1.wav"; break; case 1: soundfilename = @"2.wav"; break; case 2: soundfilename = @"3.wav"; break; default: break; } NSString *Path = [[NSBundle mainBundle] bundlePath]; NSURL *soundfileURL = [NSURL fileURLWithPath:[Path stringByAppendingPathComponent:soundfilename]]; AudioServicesCreateSystemSoundID((CFURLRef)soundfileURL, &soundFileObject); if ([swcallback isOn]){ AudioServicesAddSystemSoundCompletion(soundFileObject, NULL, NULL, completionCallback, (void *) self); } } static void completionCallback(SystemSoundID mySSID, void *myself){ AudioServicesPlaySystemSound(mySSID); } - (IBAction) playSystemSound{ [self GetPlaysound]; AudioServicesPlaySystemSound(self.soundFileObject); } -(IBAction) playAlertSound{ [self GetPlaysound]; AudioServicesPlayAlertSound(self.soundFileObject); } - (IBAction) vibrate{ AudioServicesPlaySystemSound(kSystemSoundID_Vibrate); } - (void)viewDidLoad{ [super viewDidLoad]; NSArray *array = [[NSArray alloc] initWithObjects:@"音效1", @"音效2", @"音效3", nil]; self.soundData = array; [array release]; } - (void)dealloc{ [super dealloc]; AudioServicesDisposeSystemSoundID(self.soundFileObject); } #pragma mark - #pragma mark soundPicker Data Soure - (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView{ return 1; } - (NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component{ return [soundData count]; } #pragma mark - #pragma mark soundPicker Delegate - (NSString *)pickerView:(UIPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component{ return [soundData objectAtIndex:row]; } @end

效果图：