如何在 iPhone 应用程序中播放 iPod 库中的歌曲?

发布于 12-22 07:30 字数 1268 浏览 4 评论 0原文

我对 iPhone 和 ios 开发中的音频播放非常陌生。我想在我的应用程序中播放 iPod 库中的歌曲。我已经在 Google 中搜索到了我的最佳水平。但是,我得到了使用 iPod 库的答案,但是,我不知道如何播放 iPod 库中选定的歌曲。这是我在应用程序中使用的代码,

 MPMediaPickerController *picker = [[MPMediaPickerController alloc] initWithMediaTypes: MPMediaTypeMusic];

        picker.delegate = self;
        picker.allowsPickingMultipleItems = NO;    
        picker.prompt = NSLocalizedString (@"Select songs to play", "Prompt in media item picker");
        [self presentModalViewController:picker animated:YES];
        [picker release];

       - (void) mediaPicker: (MPMediaPickerController *) mediaPicker didPickMediaItems: (MPMediaItemCollection *) mediaItemCollection 
    {
        [self dismissModalViewControllerAnimated: YES];
        NSLog(@"MediaItemCollection : %@", mediaItemCollection);

        MPMediaQuery *everything = [[MPMediaQuery alloc] init];
        NSLog(@"Logging items from a generic query...");
        NSArray *itemsFromGenericQuery = [everything items];
        for (MPMediaItem *song in itemsFromGenericQuery) 
        {
            NSString *songTitle = [song valueForProperty: MPMediaItemPropertyTitle];
            NSLog (@"%@", songTitle); // Here i retrieved all song titles.
        }
}

有人可以建议我播放 iPod 库中的歌曲吗?

I am very new to Audio playing in iPhone and ios development. I want to play songs from iPod library in my app. I have searched my level best in Google. But, i got the answer to use the iPod library but, i don't know to play a selected song from iPod library. This is my code used in app,

 MPMediaPickerController *picker = [[MPMediaPickerController alloc] initWithMediaTypes: MPMediaTypeMusic];

        picker.delegate = self;
        picker.allowsPickingMultipleItems = NO;    
        picker.prompt = NSLocalizedString (@"Select songs to play", "Prompt in media item picker");
        [self presentModalViewController:picker animated:YES];
        [picker release];

       - (void) mediaPicker: (MPMediaPickerController *) mediaPicker didPickMediaItems: (MPMediaItemCollection *) mediaItemCollection 
    {
        [self dismissModalViewControllerAnimated: YES];
        NSLog(@"MediaItemCollection : %@", mediaItemCollection);

        MPMediaQuery *everything = [[MPMediaQuery alloc] init];
        NSLog(@"Logging items from a generic query...");
        NSArray *itemsFromGenericQuery = [everything items];
        for (MPMediaItem *song in itemsFromGenericQuery) 
        {
            NSString *songTitle = [song valueForProperty: MPMediaItemPropertyTitle];
            NSLog (@"%@", songTitle); // Here i retrieved all song titles.
        }
}

Can anyone please suggest me to play the song from the ipod library?

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天涯离梦残月幽梦2024-12-29 07:30:24
- (void)mediaPicker:(MPMediaPickerController *)mediaPicker didPickMediaItems:(MPMediaItemCollection *)mediaItemCollection
{
    MPMusicPlayerController *player = [MPMusicPlayerController iPodMusicPlayer];
    [player setQueueWithItemCollection:mediaItemCollection];
    [player play];
}
- (void)mediaPicker:(MPMediaPickerController *)mediaPicker didPickMediaItems:(MPMediaItemCollection *)mediaItemCollection
{
    MPMusicPlayerController *player = [MPMusicPlayerController iPodMusicPlayer];
    [player setQueueWithItemCollection:mediaItemCollection];
    [player play];
}
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