Android Studio如何通过长按文字显示一级菜单并展开二级菜单（三国杀基板）

 package com.example.hfs192025214_youxizhuangbeigenbghuan1;

    
  
    
 import android.app.Activity;
    
 import android.media.MediaPlayer;
    
 import android.os.Bundle;
    
 import android.view.ContextMenu;
    
 import android.view.MenuItem;
    
 import android.view.SubMenu;
    
 import android.view.View;
    
 import android.widget.ImageView;
    
 import android.widget.TextView;
    
 import android.widget.Toast;
    
  
    
 import org.w3c.dom.Text;
    
  
    
 public class a extends Activity{
    
     MediaPlayer mp;
    
     ImageView role;
    
     public voi