预览音频返回崩溃！！！

[wangzongguang]

Current use version？

当前使用的版本是多少？

v3.10.8

Will this problem occur in demo?

Demo能否复现这问题？

能

Describe the problem or provide an error log？

描述问题或提供错误log？

 Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.media.MediaPlayer.isPlaying()' on a null object reference
        at com.luck.picture.lib.adapter.holder.PreviewAudioHolder.isPlaying(PreviewAudioHolder.java:233)
        at com.luck.picture.lib.adapter.PicturePreviewAdapter.isPlaying(PicturePreviewAdapter.java:155)
        at com.luck.picture.lib.PictureSelectorPreviewFragment.isPlaying(PictureSelectorPreviewFragment.java:1717)
        at com.luck.picture.lib.PictureSelectorPreviewFragment.onPause(PictureSelectorPreviewFragment.java:1701)

[actor20170211030627]

我也遇到同样问题, v3.10.8, Demo复现:
1.选择音频类型 & 能预览.
2.点击选择1个音频, 点开预览, 在"预览界面"点击下方的"已完成", 崩溃.

另外, 在"PicturePreviewAdapter"中发现判断不科学:

public LocalMedia getItem(int position) {
    if (position > mData.size()) {    //">"  应该改成  ">="吧?
        return null;
    }
    return mData.get(position);
}