AudioRecord - iOS App codez

App link: https://drive.google.com/open?id=0BwU5Y4Xqfa42NVAwNjVnQjI2RW8

VC.h

#import <UIKit/UIKit.h>

#import <AVFoundation/AVFoundation.h>

@interface ViewController : UIViewController<AVAudioRecorderDelegate, AVAudioPlayerDelegate>

@property (weak, nonatomic) IBOutlet UIButton *playBtn;

@property (weak, nonatomic) IBOutlet UIButton *stopBtn;

@property (weak, nonatomic) IBOutlet UIButton *recordBtn;

- (IBAction)playAct:(id)sender;

- (IBAction)stopAct:(id)sender;

- (IBAction)recordAct:(id)sender;

@end

VC.m

#import "ViewController.h"

@interface ViewController () {

AVAudioRecorder *recorder;

AVAudioPlayer *player;

}

@end

@implementation ViewController

- (void)viewDidLoad {

[super viewDidLoad];

[_stopBtn setEnabled:NO];

[_playBtn setEnabled:NO];

// Set the audio file

NSArray *pathComponents = [NSArray arrayWithObjects:

[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject],

@"MyAudioMemo.m4a",

nil];

NSURL *outputFileURL = [NSURL fileURLWithPathComponents:pathComponents];

// Setup audio session

AVAudioSession *session = [AVAudioSession sharedInstance];

[session setCategory:AVAudioSessionCategoryPlayAndRecord error:nil];

// Define the recorder setting

NSMutableDictionary *recordSetting = [[NSMutableDictionary alloc] init];

[recordSetting setValue:[NSNumber numberWithInt:kAudioFormatMPEG4AAC] forKey:AVFormatIDKey];

[recordSetting setValue:[NSNumber numberWithFloat:44100.0] forKey:AVSampleRateKey];

[recordSetting setValue:[NSNumber numberWithInt: 2] forKey:AVNumberOfChannelsKey];

// Initiate and prepare the recorder

recorder = [[AVAudioRecorder alloc] initWithURL:outputFileURL settings:recordSetting error:NULL];

recorder.delegate = self;

recorder.meteringEnabled = YES;

[recorder prepareToRecord];

}

- (void)didReceiveMemoryWarning {

[super didReceiveMemoryWarning];

// Dispose of any resources that can be recreated.

}

- (void) audioRecorderDidFinishRecording:(AVAudioRecorder *)avrecorder successfully:(BOOL)flag{

[_recordBtn setTitle:@"Record" forState:UIControlStateNormal];

[_stopBtn setEnabled:NO];

[_playBtn setEnabled:YES];

}

- (void) audioPlayerDidFinishPlaying:(AVAudioPlayer *)player successfully:(BOOL)flag{

UIAlertView *alert = [[UIAlertView alloc] initWithTitle: @"Done"

message: @"Finish playing the recording!"

delegate: nil

cancelButtonTitle:@"OK"

otherButtonTitles:nil];

[alert show];

}

- (IBAction)playAct:(id)sender {

if (!recorder.recording){

player = [[AVAudioPlayer alloc] initWithContentsOfURL:recorder.url error:nil];

[player setDelegate:self];

[player play];

}

- (IBAction)stopAct:(id)sender {

[recorder stop];

AVAudioSession *audioSession = [AVAudioSession sharedInstance];

[audioSession setActive:NO error:nil];

}

- (IBAction)recordAct:(id)sender {

if (player.playing) {

[player stop];

}

if (!recorder.recording) {

AVAudioSession *session = [AVAudioSession sharedInstance];

[session setActive:YES error:nil];

// Start recording

[recorder record];

[_recordBtn setTitle:@"Pause" forState:UIControlStateNormal];

} else {

// Pause recording

[recorder pause];

[_recordBtn setTitle:@"Record" forState:UIControlStateNormal];

}

[_stopBtn setEnabled:YES];

[_playBtn setEnabled:NO];

}

@end