iPhone - 播放电影后恢复背景音乐

发布于 2024-11-02 05:13:59 字数 644 浏览 1 评论 0原文

我正在后台播放 iTunes 音乐。我使用以下代码启动了播放“视频”的应用程序：

NSString* videoPath = [[NSBundle mainBundle] pathForResource:@"video" ofType:@"m4v"];
    if (player) {
        [player release];
        player = nil;
    }
    player = [[MPMoviePlayerViewController alloc] initWithContentURL:[NSURL fileURLWithPath:videoPath]];
    [self presentModalViewController:player animated:YES];

我将音频会话设置如下：

[[AVAudioSession sharedInstance] setCategory:AVAudioSessionCategoryPlayback error:nil];
[[AVAudioSession sharedInstance] setActive: YES error:nil];

当我的视频开始播放时，后台播放的 iPod 音乐将停止。视频播放完毕后如何恢复背景音乐？

原文

I'm playing iTunes music in the background.
I started my app which plays "Video" using the following code:

NSString* videoPath = [[NSBundle mainBundle] pathForResource:@"video" ofType:@"m4v"];
    if (player) {
        [player release];
        player = nil;
    }
    player = [[MPMoviePlayerViewController alloc] initWithContentURL:[NSURL fileURLWithPath:videoPath]];
    [self presentModalViewController:player animated:YES];

I'm setting the audio session as follows:

[[AVAudioSession sharedInstance] setCategory:AVAudioSessionCategoryPlayback error:nil];
[[AVAudioSession sharedInstance] setActive: YES error:nil];

When my video starts playing, iPod music playing in the background will be stopped.
How can I resume the background music when my video completes?

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囍孤女 2024-11-09 05:13:59

这种必须从 ipod 继续的选项是不可能的。

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微暖i 2024-11-09 05:13:59

使用通知

[[NSNotificationCenter defaultCenter]
 addObserver:self
    selector:@selector(moviePlayBackDidFinish:)
        name:MPMoviePlayerPlaybackDidFinishNotification
      object:nil];

- (void) moviePlayBackDidFinish {
  // resume your AVAudioSession
}

Use notifications

[[NSNotificationCenter defaultCenter]
 addObserver:self
    selector:@selector(moviePlayBackDidFinish:)
        name:MPMoviePlayerPlaybackDidFinishNotification
      object:nil];

- (void) moviePlayBackDidFinish {
  // resume your AVAudioSession
}

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