效果图:
当点击按钮的时候,会播放相应的钢琴的声音。
此代码需要引入库AudioToolbox.framework.
此为工程目录:
RootViewController.h
#import <UIKit/UIKit.h> //加入头文件 #import <AudioToolbox/AudioToolbox.h> @interface RootViewController : UIViewController { NSString *soundFile; } @end
RootViewController.m
- (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view. NSArray *titleArray=[[NSArray alloc]initWithObjects:@"DO",@"RE",@"MI",@"FA",@"SO",@"LA",@"SI",@"C",@"D",@"E",@"F",@"G", nil]; for (int i=0; i<12; i++) { UIButton *button=[[UIButton alloc]initWithFrame:CGRectMake(50, 80+30*i, 70, 20)]; [button setTitle:[titleArray objectAtIndex:i] forState:UIControlStateNormal]; [button addTarget:self action:@selector(doClickAction:) forControlEvents:UIControlEventTouchUpInside]; button.tag=i; button.backgroundColor=[UIColor redColor]; [self.view addSubview:button]; } } #pragma -mark -fucntions -(void)playSound:(NSString*)soundKey{ NSString *path = [NSString stringWithFormat:@"%@%@",[[NSBundle mainBundle] resourcePath],soundKey]; SystemSoundID soundID; NSURL *filePath = [NSURL fileURLWithPath:path isDirectory:NO]; AudioServicesCreateSystemSoundID((__bridge CFURLRef)filePath, &soundID); AudioServicesPlaySystemSound(soundID); } #pragma -makr -doClickActions -(void)doClickAction:(UIButton *)btn { NSLog(@"---doClickActions--"); NSLog(@"--btn.tag---%i",btn.tag); if (btn.tag==0) { soundFile = [NSString stringWithFormat:@"/001.mp3"]; [self playSound: soundFile]; }else if (btn.tag==1){ soundFile = [NSString stringWithFormat:@"/002.mp3"]; [self playSound: soundFile]; }else if (btn.tag==2){ soundFile = [NSString stringWithFormat:@"/003.mp3"]; [self playSound: soundFile]; }else if (btn.tag==3){ soundFile = [NSString stringWithFormat:@"/004.mp3"]; [self playSound: soundFile]; }else if (btn.tag==4){ soundFile = [NSString stringWithFormat:@"/005.mp3"]; [self playSound: soundFile]; }else if (btn.tag==5){ soundFile = [NSString stringWithFormat:@"/006.mp3"]; [self playSound: soundFile]; }else if (btn.tag==6){ soundFile = [NSString stringWithFormat:@"/007.mp3"]; [self playSound: soundFile]; }else if (btn.tag==7){ soundFile = [NSString stringWithFormat:@"/C.mp3"]; [self playSound: soundFile]; }else if (btn.tag==8){ soundFile = [NSString stringWithFormat:@"/D.mp3"]; [self playSound: soundFile]; }else if (btn.tag==9){ soundFile = [NSString stringWithFormat:@"/E.mp3"]; [self playSound: soundFile]; }else if (btn.tag==10){ soundFile = [NSString stringWithFormat:@"/F.mp3"]; [self playSound: soundFile]; }else if (btn.tag==11){ soundFile = [NSString stringWithFormat:@"/G.mp3"]; [self playSound: soundFile]; } }