What I have to do is play a video file in mp4 format. If the device is in portrait mode then it should display the video, but when the user changes the device to landscape mode it should just show an image. What I have to do is play a video file in mp4 f
阅读背景：
如果我们在iphone / ipod中播放视频/ mp4文件，如何控制？
来源：互联网
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