我正在使用以下代码。当应用程序进入后台时,此代码可以完美地工作。如果应用程序没有进入后台,我们尝试播放和暂停当前播放的歌曲,则播放和暂停图像不会更改。每次断点都会进入此case UIEventSubtypeRemoteControlPause:
情况。
albumArt= [[MPMediaItemArtwork alloc] initWithImage: img.image];
NSDictionary *playingNowInfo = @{MPMediaItemPropertyTitle: (self.currentItem.songname==nil) ? (@"") : (self.currentItem.songname),
MPMediaItemPropertyPlaybackDuration: @(self.currentItem.duration),
MPMediaItemPropertyArtist:[MusicSetting getArtistName],
MPMediaItemPropertyAlbumTitle:(self.currentItem.albumname==nil) ? (@"") : (self.currentItem.albumname),
MPNowPlayingInfoPropertyPlaybackRate: @(self.player.rate),
MPNowPlayingInfoPropertyElapsedPlaybackTime: @(CMTimeGetSeconds(self.player.currentItem.currentTime)),
MPMediaItemPropertyArtwork:albumArt,
};
[MPNowPlayingInfoCenter defaultCenter].nowPlayingInfo = playingNowInfo;
#pragma mark - Remote Control
- (void)remoteControlReceivedWithEvent:(UIEvent *)receivedEvent {
// [self.manager remoteControlReceivedWithEvent:receivedEvent];
if (receivedEvent.type == UIEventTypeRemoteControl) {
switch (receivedEvent.subtype) {
case UIEventSubtypeRemoteControlPlay:
[self Onclick_Play_Pause:self];
break;
case UIEventSubtypeRemoteControlPause:
[self Onclick_Play_Pause:self];
break;
case UIEventSubtypeRemoteControlTogglePlayPause:
//if ([self.manager.player isPlaying])
if(self.manager.player.rate != 0)
{
[self.manager.player pause];
}
else {
[self.manager.player play];
}
break;
case UIEventSubtypeRemoteControlNextTrack:
[self Onclick_next:self];
NSLog(@"Next song play");
break;
case UIEventSubtypeRemoteControlPreviousTrack:
[self Onclick_prev:self];
NSLog(@"Prev song play");
break;
default:
break;
}
}
}
- (IBAction)Onclick_Play_Pause:(id)sender {
(AppObj).playerview_height=playviewHeight;
if(self.manager.player.rate != 0)
{
[MusicSetting set_SongStatus:@"Pause"];
[self.Play_PauseBtn setImage:[UIImage imageNamed:@"pauseImg"] forState:UIControlStateNormal];
[self.manager pause];
}
else {
[MusicSetting set_SongStatus:@"Play"];
[MusicSetting set_isMusicPlay:@"Playing"];
[self.Play_PauseBtn setImage:[UIImage imageNamed:@"playImg"] forState:UIControlStateNormal];
[self.manager play];
}
}
感谢您的信任!
- (IBAction)Onclick_Play_Pause:(id)sender
事件。 - Monika Patel