//Capabilities里面的backgroundModes, 把audio...选项勾选
在
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions{}
或者- (void)applicationWillResignActive:(UIApplication *)application{}
添加以下代码即可
AVAudioSession *session = [AVAudioSession sharedInstance];
[session setActive:YES error:nil];
[session setCategory:AVAudioSessionCategoryPlayback error:nil];
