ios - 避免音频在另一个 View 中继续

Question

我有一个应用程序，我在 View Controller 中启动时播放音频文件。我还有一个按钮可以切换到我的第二个 View 。我的问题是即使在我切换 View 后音频仍继续播放。这是我的 ViewController.m 代码:​​

#import <AVFoundation/AVFoundation.h>

@interface ViewController ()

@end

@implementation ViewController

//When I go to this view, I want the audio to stop
- (IBAction)SwitchView:(id)sender {
    SecondViewController *second = [[SecondViewController alloc] initWithNibName:nil bundle:nil];
    [self presentViewController:second animated:YES completion:NULL];
}

- (void)viewDidLoad
{
    [super viewDidLoad];

    NSURL *url = [NSURL fileURLWithPath:[[NSBundle mainBundle]
                                         pathForResource:@"home_sound"
                                         ofType:@"mp3"]];

    NSError *error;
    homeaudioPlayer = [[AVAudioPlayer alloc]
                   initWithContentsOfURL:url
                   error:&error];
    if (error)
    {
        NSLog(@"Error in audioPlayer: %@",
              [error localizedDescription]);
    } else {
        homeaudioPlayer.delegate = self;
        [homeaudioPlayer setNumberOfLoops: -1];
        [homeaudioPlayer prepareToPlay];
    }

    [homeaudioPlayer play];

}


@end

我该怎么做？

谢谢。

Answer 1

更新您的 SwitchView 代码-

- (IBAction)SwitchView:(id)sender {
  [homeaudioPlayer stop];
  SecondViewController *second = [[SecondViewController alloc] initWithNibName:nil bundle:nil];
  [self presentViewController:second animated:YES completion:NULL];
}