SOUND SERVICE系统音效服务+震动功能实现

PlaySoundDemo1ViewController.h

#import <UIKit/UIKit.h>

#include <AudioToolbox/AudioToolbox.h>

@interface PlaySoundDemo1ViewController : 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

PlaySoundDemo1ViewController.m

 

//----------- 限制 ------------

//声音长度要小于 30 秒

// In linear PCM 或者 IMA4 (IMA/ADPCM) 格式的

//需为 .caf, .aif, 或者 .wav 的档案

//不能控制播放的进度

//调用方法后立即播放声音

//没有循环播放和立体声控制

//参考数据：

//http://blog.xiang.li/2009/02/iphone-dev-audio-play/

//https://developer.apple.com/iphone/library/samplecode/SysSound/

#import "PlaySoundDemo1ViewController.h"

@implementation PlaySoundDemo1ViewController

@synthesize swcallback,soundPicker,soundData,soundFileObject;

//停止当前音效的播放

-(IBAction) stopplaysound{    

    AudioServicesRemoveSystemSoundCompletion (self.soundFileObject);

}

//建立声音对象

-(void) GetPlaysound{

    [self stopplaysound];

    

   //取出使用者所选择的音效项目 

    NSInteger row=[ soundPicker selectedRowInComponent:0];

    

   //指定不同的音效文件

    NSString *soundfilename;

    switch (row) {

        case 0:

            soundfilename=@"sound1.aiff"; 

            break;

        case 1:

            soundfilename=@"sound2.aiff"; 

            break;

        case 2:

            soundfilename=@"sound3.aiff"; 

            break;            

        default:

            break;

    }

    

    

    NSString *Path=[[NSBundle mainBundle] bundlePath];

    NSURL *soundfileURL=[NSURL fileURLWithPath:[Path stringByAppendingPathComponent:soundfilename]]; 

    

    //建立音效对象

    AudioServicesCreateSystemSoundID((CFURLRef)soundfileURL, &soundFileObject);

    

   //判断是否连续播放

    if ([swcallback isOn]){

        // Add sound completion callback

        AudioServicesAddSystemSoundCompletion (soundFileObject, NULL, NULL,completionCallback,(void*)self);    

    }    

}

//当音效播放完毕后的处理方式，这里设定为再一次播放

static void completionCallback (SystemSoundID  mySSID,void* myself) {

    AudioServicesPlaySystemSound(mySSID);    

} 

- (IBAction) playSystemSound{     

    [self GetPlaysound];

    AudioServicesPlaySystemSound (self.soundFileObject);    

    //  AudioServicesDisposeSystemSoundID (self.soundFileObject);

}

-(IBAction) playAlertSound{   

    [self GetPlaysound];

    //播放音效

    AudioServicesPlayAlertSound (self.soundFileObject);    

}

- (IBAction) vibrate{

    //震动

    AudioServicesPlaySystemSound (kSystemSoundID_Vibrate);

}

- (void)viewDidLoad {

    [super viewDidLoad];

    

   //建立音效清单数组

    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];

}