怎么搭建recyclerView滑动删除

这篇文章主要讲解了"怎么搭建recyclerView滑动删除"，文中的讲解内容简单清晰，易于学习与理解，下面请大家跟着小编的思路慢慢深入，一起来研究和学习"怎么搭建recyclerView滑动删除"吧！

package com.example.demo; import androidx.annotation.NonNull;import androidx.appcompat.app.AppCompatActivity;import androidx.recyclerview.widget.ItemTouchHelper;import androidx.recyclerview.widget.LinearLayoutManager;import androidx.recyclerview.widget.RecyclerView; import android.graphics.Canvas;import android.os.Bundle;import android.util.Log;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.LinearLayout;import android.widget.TextView; import java.util.ArrayList;import java.util.List; /** * @author Huang xudong * @date 2020/7/26 */public class MainActivity extends AppCompatActivity {    private RecyclerView recyclerView;     private List list=new ArrayList();     class MyAdpter extends RecyclerView.Adapter{         class ViewHolder extends RecyclerView.ViewHolder{            private TextView textView;            private LinearLayout linearLayout;             public ViewHolder(@NonNull View itemView) {                super(itemView);                linearLayout=itemView.findViewById(R.id.ll_main);                textView=itemView.findViewById(R.id.tv_main);            }        }         @NonNull        @Override        public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {            View inflate = LayoutInflater.from(getApplicationContext()).inflate(R.layout.item_demo,parent, false);            return new ViewHolder(inflate);        }         @Override        public void onBindViewHolder(@NonNull ViewHolder holder, int position) {         }         @Override        public int getItemCount() {            return list.size();        }    }     class CallBack extends ItemTouchHelper.Callback{        @Override        public int getMovementFlags(@NonNull RecyclerView recyclerView, @NonNull RecyclerView.ViewHolder viewHolder) {            return makeMovementFlags(0,ItemTouchHelper.LEFT);        }         @Override        public boolean onMove(@NonNull RecyclerView recyclerView, @NonNull RecyclerView.ViewHolder viewHolder, @NonNull RecyclerView.ViewHolder target) {            return false;        }         @Override        public void onSwiped(@NonNull RecyclerView.ViewHolder viewHolder, int direction) {            /**             * call max distance start onSwiped call             */        }         @Override        public void onChildDraw(@NonNull Canvas c, @NonNull RecyclerView recyclerView, @NonNull RecyclerView.ViewHolder viewHolder, float dX, float dY, int actionState, boolean isCurrentlyActive) {              if (actionState==ItemTouchHelper.ACTION_STATE_SWIPE){                /**                 * get {@link TextView#getWidth()}                 */                ViewGroup viewGroup= (ViewGroup) viewHolder.itemView;                TextView textView = (TextView) viewGroup.getChildAt(1);                ViewGroup.LayoutParams layoutParams = textView.getLayoutParams();                if (Math.abs(dX)<=layoutParams.width){                    /**                     * move {@link RecyclerView.ViewHolder} distance                     */                    viewHolder.itemView.scrollTo((int) -dX,0);                    /**                     * callAction or register click bind view                     */                }            }        }    }     @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);         recyclerView=findViewById(R.id.rv_main);        list.add(1);        list.add("2");        MyAdpter myAdpter=new MyAdpter();        LinearLayoutManager linearLayoutManager=new LinearLayoutManager(getApplicationContext());        linearLayoutManager.setOrientation(RecyclerView.VERTICAL);        recyclerView.setLayoutManager(linearLayoutManager);        recyclerView.setAdapter(myAdpter);        ItemTouchHelper itemTouchHelper=new ItemTouchHelper(new CallBack());        itemTouchHelper.attachToRecyclerView(recyclerView);    }}

感谢各位的阅读，以上就是"怎么搭建recyclerView滑动删除"的内容了，经过本文的学习后，相信大家对怎么搭建recyclerView滑动删除这一问题有了更深刻的体会，具体使用情况还需要大家实践验证。这里是，小编将为大家推送更多相关知识点的文章，欢迎关注！