Android 显示VideoView的手机存储位置

如何在android中显示手机存储中的视频位置？我从sd卡显示，但我尝试从手机存储器显示视频。我在图库中尝试的视频位置

vView.setVideoPath("/Gallery/test30fps.mp4");

但它不起作用

    //get the VideoView from the layout file
    vView = (VideoView)findViewById(R.id.vview);

    //use this to get touch events
    vView.requestFocus();

    //load video from SD card
    vView.setVideoPath("/sdcard/test30fps.mp4");

    //enable this if you want to enable video controllers, such as pause and forward
    vView.setMediaController(new MediaController(this));

    //plays the movie
    vView.start();

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试试这个，下载后写下你的视频名称

vView.setVideoPath（“/mnt/sdcard/Download/sound of birds SD.mp4”）
你说“不工作”是什么意思？请出示日志