//类库
CoreGraphics.framework
Foundation.framework
AVFoundation.framework
UIKit.framework
//控制器.h
#import
#import
@interface ViewController : UIViewController
@property (strong, nonatomic) AVAudioRecorder *audioRecorder;
@property (strong, nonatomic) AVAudioPlayer *audioPlayer;
@property UIButton *recordButton;//录音按钮
@property UIButton *playButton;//播放按钮
-(void)recordButtonAction:(id)sender;//方法
-(void)playButtonAction:(id)sender;
@end
//控制器.m
#import "ViewController.h"
@interface ViewController ()
@end
@implementation ViewController
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
}
return self;
}
- (void)viewDidLoad {
[super viewDidLoad];
//初始化按钮
self.recordButton = [UIButton buttonWithType:UIButtonTypeCustom];
self.recordButton.frame = CGRectMake(80, 202, 200, 200);
[self.recordButton setImage:[UIImage imageNamed:@"record"] forState:UIControlStateNormal];
[self.recordButton addTarget:self action:@selector(recordButtonAction:) forControlEvents:UIControlEventTouchUpInside];
self.recordButton.backgroundColor = [UIColor redColor];
[self.view addSubview:self.recordButton];
self.playButton = [UIButton buttonWithType:UIButtonTypeCustom];
self.playButton.frame = CGRectMake(100, 102, 200, 200);
[self.playButton setImage:[UIImage imageNamed:@"play"] forState:UIControlStateNormal];
[self.playButton addTarget:self action:@selector(playButtonAction:) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:self.playButton];
self.playButton.backgroundColor = [UIColor blackColor];
self.playButton.hidden = YES;
//配置Recorder，
NSDictionary *recordSetting = [NSDictionary dictionaryWithObjectsAndKeys:
[NSNumber numberWithInt:AVAudioQualityLow],AVEncoderAudioQualityKey,
[NSNumber numberWithInt:16],AVEncoderBitRateKey,
[NSNumber numberWithInt:2],AVNumberOfChannelsKey,
[NSNumber numberWithFloat:44100.0],AVSampleRateKey,
nil];
//录音文件保存地址的URL
NSURL *url = [NSURL fileURLWithPath:[NSString stringWithFormat:@"%@/record.caf", [[NSBundle mainBundle] resourcePath]]];
NSError *error = nil;
self.audioRecorder = [[ AVAudioRecorder alloc] initWithURL:url settings:recordSetting error:&error];
if (error != nil) {
NSLog(@"Init audioRecorder error: %@",error);
}else{
//准备就绪，等待录音，注意该方法会返回Boolean，最好做个成功判断，因为其失败的时候无任何错误信息抛出
if ([self.audioRecorder prepareToRecord]) {
NSLog(@"Prepare successful");
}
}
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
}
//方法
-(void)recordButtonAction:(id)sender
{
if (!self.audioRecorder.recording) {
self.playButton.hidden = YES;
[self.audioRecorder record];
[self.recordButton setImage:[UIImage imageNamed:@"MicButtonPressed.png"] forState:UIControlStateNormal];
}else {
self.playButton.hidden = NO;
[self.audioRecorder stop];
[self.recordButton setImage:[UIImage imageNamed:@"MicButton.png"] forState:UIControlStateNormal];
}
}
-(void)playButtonAction:(id)sender
{
if (!self.audioPlayer.playing) {
self.recordButton.hidden = YES;
NSError *error;
NSLog(@"%@",self.audioRecorder.url);
self.audioPlayer = [[AVAudioPlayer alloc] initWithContentsOfURL:self.audioRecorder.url error:&error];
self.audioPlayer.delegate = self;
if (error != nil) {
NSLog(@"Wrong init player:%@", error);
}else{
[self.audioPlayer play];
}
[self.playButton setImage:[UIImage imageNamed:@"pause.png"] forState:UIControlStateNormal];
}else {
self.recordButton.hidden = NO;
[self.audioPlayer pause];
[self.playButton setImage:[UIImage imageNamed:@"play.png"] forState:UIControlStateNormal];
}
}
#pragma mark audio delegate
-(void)audioPlayerDidFinishPlaying:(AVAudioPlayer *)player successfully:(BOOL)flag
{
NSLog(@"Finsh playing");
self.recordButton.hidden = NO;
[self.playButton setImage:[UIImage imageNamed:@"play.png"] forState:UIControlStateNormal];
}
-(void)audioPlayerDecodeErrorDidOccur:(AVAudioPlayer *)player error:(NSError *)error
{
NSLog(@"Decode Error occurred");
}
-(void)audioRecorderDidFinishRecording:(AVAudioRecorder *)recorder successfully:(BOOL)flag
{
NSLog(@"Finish record!");
}
-(void)audioRecorderEncodeErrorDidOccur:(AVAudioRecorder *)recorder error:(NSError *)error
{
NSLog(@"Encode Error occurred");
}
@end