我正在构建使用MPMoviePlayerViewController播放视频的通用应用。观察通知“MPMoviePlayerPlaybackStateDidChangeNotification”。该应用程序在iPad模拟器中成功运行，但在iPhone中运行时会抛出以下错误： -
dyld：未找到符号：_MPMoviePlayerPlaybackStateDidChangeNotification 参考自：/ Users / veer / Library / Application Support / iPhone Simulator / 3.0 / Applications / 27BC67AA-72D1-4DD2-9146-0126FCC8E90C / test.app / eReader 预期在：/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.0.sdk/System/Library/Frameworks/MediaPlayer.framework/MediaPlayer in / Users / veer / Library / Application Support / iPhone Simulator / 3.0 / Applications / 27BC67AA-72D1-4DD2-9146-0126FCC8E90C / test.app / eReader
是否有人遇到同样的问题并得到解决？
提前致谢！