在iPhone中播放背景Youtube视频

Question

我尝试在iOS中播放youtube视频。

背景音频代码。 `

- (BOOL) ensureAudio
{

// Registers this class as the delegate of the audio session (to get background sound)
[[AVAudioSession sharedInstance] setDelegate: self];

// Set category
NSError *categoryError = nil;
if (![[AVAudioSession sharedInstance] setCategory:AVAudioSessionCategoryPlayback error:&categoryError]) {
    NSLog(@"Audio session category could not be set");
    return NO;
}

// Activate session
NSError *activationError = nil;
if (![[AVAudioSession sharedInstance] setActive: YES error: &activationError]) {
    NSLog(@"Audio session could not be activated");
    return NO;
}

// Allow the audio to mix with other apps (necessary for background sound)
UInt32 doChangeDefaultRoute = 1;
AudioSessionSetProperty(kAudioSessionProperty_OverrideCategoryMixWithOthers, sizeof(doChangeDefaultRoute), &doChangeDefaultRoute);

return YES;
}

- (void)applicationDidEnterBackground:(UIApplication *)application
{
    NSLog(@"applicationDidEnterBackground");
    state = ENTER_BACKGROUND;
    // audio playing code
    [self checkPlay];
}

`

Youtube播放器api代码

function onPlayerStateChange(e){ switch(e.data){ case YT.PlayerState.PAUSED: play(); window.location = "native://state_change"; } }

成功模式正在onPlayerState.PAUSED。 错误的模式无法正常运行.PlayseState.PAUSED。