Android滑动监听RecyclerView线性流+左右划删除+上下移动

<&＃63;xml version="1.0" encoding="utf-8"&＃63;>



package c.example.jreduch10; 
import android.os.Bundle; 
import android.support.v7.app.AppCompatActivity; 
import android.support.v7.widget.LinearLayoutManager; 
import android.support.v7.widget.RecyclerView; 
import android.support.v7.widget.helper.ItemTouchHelper; 
import android.util.Log; 
import android.view.View; 
import android.view.ViewGroup; 
import android.widget.ImageView; 
import android.widget.TextView; 
import android.widget.Toast; 
import java.util.ArrayList; 
import java.util.List; 
import c.example.jreduch10.entity.Video; 
import jp.wasabeef.recyclerview.adapters.AlphaInAnimationAdapter; 
import jp.wasabeef.recyclerview.adapters.ScaleInAnimationAdapter; 
public class Recycler1Activity extends AppCompatActivity { 
private RecyclerView rv; 
private List