如何在shufflefacts中添加原始mp3文件？

Question

我现在用文字和图片制作了一个随机页面，我想为它添加mp3文件。当我单击fab按钮时，会出现文本和图像，但是当我添加像我的代码这样的mp3文件时，它会出错并且我的应用程序会停止。

有没有办法在shufflefacts中添加原始文件？

这是我的facts.java代码：

public class Facts {
    private int ivImage;
    private String mFact;
    private int videoView;
    public Facts(int ivImage, int videoView, String mFact) {
        this.ivImage = ivImage;
        this.videoView = videoView;
        this.mFact = mFact;
    }
    public int getivImage() {
        return ivImage;
    }
    public int getvideoView() {
      return videoView;
    }
    public String getmFact() {
        return mFact;
    }
    public String videoView() {
        return null;
    }
}

这是我的random.class：

Toolbar mToolbar;
RecyclerView mRecyclerView;
ImageView mFlower;
TextView mDescription;
VideoView videoView;
private FloatingActionButton fab;
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_detail);
    mToolbar = findViewById(R.id.toolbar);
    setSupportActionBar(mToolbar);
    ActionBar actionBar= getSupportActionBar();
    actionBar.setDisplayHomeAsUpEnabled(true);
    mToolbar = findViewById(R.id.toolbar);
    videoView = findViewById(R.id.videoView);
    mToolbar.setTitle(getResources().getString(R.string.cv));
    mRecyclerView = findViewById(R.id.recyclerview);
    mFlower = findViewById(R.id.ivImage);
    mDescription = findViewById(R.id.tvDescription);
    fab = (FloatingActionButton) findViewById(R.id.fab);
    fab.setImageResource(R.drawable.vbn);
    showRandomFact();
    fab.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            showRandomFact();

        }
    });
}

private void showRandomFact() {
    shuffleFacts();
    mFlower.setImageResource(factArray[0].getivImage());
    videoView.setVideoPath(factArray[0].videoView());
    mDescription.setText(factArray[0].getmFact());
}
Facts f01 = new Facts(R.drawable.a, R.raw.b,"hjgbfvjhsdbfvskhbsdıkfvsdkb");
Facts f02 = new Facts(R.drawable.aa, R.raw.b,"hjgbfvjhsdbfvskhbsdıkfvsdkb");
Facts f03 = new Facts(R.drawable.aas, R.raw.b,"hjgbfvjhsdbfvskhbsdıkfvsdkb");
Facts[] factArray = new Facts[] {
        f01,f02,f03
};
public boolean shuffleFacts(){
    Collections.shuffle(Arrays.asList(factArray));
    return true;
}
}