在ios中编写程序实现录音功能

最新推荐文章于 2019-06-04 16:30:54 发布

原创最新推荐文章于 2019-06-04 16:30:54 发布 · 1k 阅读

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#iOS #uiview #uibutton

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本博客介绍了一个实现录音播放控制与录制状态管理的iOS应用实例，详细解释了如何通过按钮实现开始、停止和播放录音的功能，并在不同操作状态间进行切换。

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#import <UIKit/UIKit.h>
#import "AVFoundation/AVFoundation.h"
@interface AudioRecoderViewController : UIViewController
{
    UILabel *label;
    AVAudioRecorder *recorder;    //定义专门录制的类AVAudioRecoder

    AVAudioPlayer *player;
}
@property(nonatomic,retain) AVAudioRecorder *recorder;
@property(nonatomic,retain) AVAudioPlayer *player;
@end

#import "AudioRecoderViewController.h"

@interface AudioRecoderViewController ()

@end

@implementation AudioRecoderViewController

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        // Custom initialization
    }
    return self;
}
-(void)loadView{
    //定义UIView
    UIView *view=[[UIView alloc]initWithFrame:[UIScreen mainScreen].applicationFrame] ;
    view.backgroundColor=[UIColor purpleColor];
    self.view=view;
//初始化label
    label=[[UILabel alloc]initWithFrame:CGRectMake(90, 40, 160, 40)];
    label.text=@"等待录制";
    label.textColor=[UIColor greenColor];
    label.textAlignment=NSTextAlignmentCenter;
    [self.view addSubview:label];

    //定义按钮
    UIButton *button = [UIButton buttonWithType:UIButtonTypeRoundedRect];
    button.frame = CGRectMake(90, 100, 160, 40);
    [button setTitle:@"开始录制" forState:UIControlStateNormal];
    [button addTarget:self action:@selector(startRecoder) forControlEvents:UIControlEventTouchUpInside];
    //添加显示
    [self.view addSubview:button];

    //定义按钮
    UIButton *btn2 = [UIButton buttonWithType:UIButtonTypeRoundedRect];
    btn2.frame = CGRectMake(90, 160, 160, 40);
    [btn2 setTitle:@"停止录制" forState:UIControlStateNormal];
    [btn2 addTarget:self action:@selector(stopRecoder) forControlEvents:UIControlEventTouchUpInside];
    //添加显示
    [self.view addSubview:btn2];

    //定义按钮
    UIButton *btn3 = [UIButton buttonWithType:UIButtonTypeRoundedRect];
    btn3.frame = CGRectMake(90, 220, 160, 40);
    [btn3 setTitle:@"播放录制" forState:UIControlStateNormal];
    [btn3 addTarget:self action:@selector(startRecoderPlay) forControlEvents:UIControlEventTouchUpInside];

    //添加显示
    [self.view addSubview:btn3];

}
-(void)startRecoder{
    //设置label的显示显示为正在录制
    label.textColor=[UIColor redColor];
    label.text=@"录制中...";
    label.textAlignment=NSTextAlignmentCenter;

    //判断当前的录制状态和播放状态
    if (recorder.isRecording)
    {
        [recorder stop];
    }
    if (player.isPlaying)
    {
        [recorder stop];
    }
    NSError
}