iOS on the Music Lock Screen Control Music of Lock Screen Information Setting Example Code

No more nonsense, just post the code for everyone. The specific code is as follows:

 <pre name="code" class="objc">appDelegate Add the following code to get background play permission </pre><pre name="code" class="objc">- (void)setAudioBackstagePlay{ 
  AVAudioSession *audioSession = [AVAudioSession sharedInstance]; 
  [audioSession setCategory:AVAudioSessionCategoryPlayback error:nil]; 
  [audioSession setActive:YES error:nil]; 
}</pre> 
<pre></pre> 
<pre name="code" class="objc">// Override the parent class method and accept the processing of external events  
- (void) remoteControlReceivedWithEvent: (UIEvent *) receivedEvent { 
  NSLog(@"remote"); 
  if (receivedEvent.type == UIEventTypeRemoteControl) { 
    switch (receivedEvent.subtype) { //  Get the event type  
      case UIEventSubtypeRemoteControlTogglePlayPause: //  Suspend  ios6 
        [_player musicPause]; //  Call the response method of the pause button of your project   The same is true of the following  
        break; 
      case UIEventSubtypeRemoteControlPreviousTrack: //  Upper 1 Head  
        [self lastMusic]; 
        break; 
      case UIEventSubtypeRemoteControlNextTrack: //  Under 1 Head  
        [self nextMusic]; 
        break; 
      case UIEventSubtypeRemoteControlPlay: // Play  
        [_player musicPlay]; 
        break; 
      case UIEventSubtypeRemoteControlPause: //  Suspend  ios7 
        [_player musicPause]; 
        break; 
      default: 
        break; 
    } 
  } 
}</pre><pre name="code" class="objc"><pre name="code" class="objc">- (void)configNowPlayingCenter { 
  NSLog(@" Lock screen setting "); 
//   BASE_INFO_FUN(@" Configure NowPlayingCenter"); 
  YBVideoListModel * list = _model.audioList[_currentIndexPath.row];</pre><pre name="code" class="objc"><span style="white-space:pre">  </span>// The following code is to load the lock screen to display network pictures and other settings  
  [[SDWebImageManager sharedManager] downloadImageWithURL:[NSURL URLWithString:list.thumbUrl] options:SDWebImageRetryFailed progress:nil completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, BOOL finished, NSURL *imageURL) { 
    if (image == nil) { 
      image = [UIImage imageNamed:@"default_music"]; 
    } 
    NSMutableDictionary * info = [NSMutableDictionary dictionary]; 
    // The title of the music  
    [info setObject:list.title forKey:MPMediaItemPropertyTitle]; 
    // An artist of music  
    NSString *author= list.singer; 
    [info setObject:author forKey:MPMediaItemPropertyArtist]; 
    // The playing time of music  
    [info setObject:@(_player.player.currentTime.value) forKey:MPNowPlayingInfoPropertyElapsedPlaybackTime]; 
    // The playing speed of music  
    [info setObject:@(1) forKey:MPNowPlayingInfoPropertyPlaybackRate]; 
    // Total time of music  
    [info setObject:@(list.duration) forKey:MPMediaItemPropertyPlaybackDuration]; 
    // The cover of music  
    MPMediaItemArtwork * artwork = [[MPMediaItemArtwork alloc] initWithImage:image]; 
    [info setObject:artwork forKey:MPMediaItemPropertyArtwork]; 
    // Complete setup  
    [[MPNowPlayingInfoCenter defaultCenter]setNowPlayingInfo:info]; 
  }]; 
}</pre><br> 
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