视频聊天室源码，按住对话框右滑显示删除

视频聊天室源码，按住对话框右滑显示删除实现的相关代码

1.设计界面

界面导入 recycleview 的包

 

Friendweixin.xml：

 

 

1

<?xml version="1.0" encoding="utf-8"?><br><androidx.constraintlayout.widget.ConstraintLayout <br>xmlns:android="http://schemas.android.com/apk/res/android"<br> xmlns:tools="http://schemas.android.com/tools"<br> android:layout_width="match_parent"<br> android:layout_height="match_parent"<br> tools:context=".MainActivity"<br> xmlns:app="http://schemas.android.com/apk/res-auto"><br> <androidx.recyclerview.widget.RecyclerView<br> android:id="@+id/swipe"<br> android:layout_width="match_parent"<br> android:layout_height="wrap_content"<br> android:layout_margin="8dp" //边距为 8dp<br> android:overScrollMode="never" //设置滑动到边缘时无效果模式<br> android:scrollbars="none" //滚动条隐藏<br> app:layout_constraintEnd_toEndOf="parent"<br>//结束时对其下一个 view 结束的位置<br> app:layout_constraintStart_toStartOf="parent"<br>//view1 起始位置对齐 view2 的起始位置<br> app:layout_constraintTop_toTopOf="parent" /><br>//view1 顶部对齐 view2 的顶部<br></androidx.constraintlayout.widget.ConstraintLayout

​

Itemweixin.xml:

 

外层是垂直的 LinearLayout

 

 

1

<?xml version="1.0" encoding="utf-8"?><br><LinearLayout <br>xmlns:android="http://schemas.android.com/apk/res/android"<br> xmlns:tools="http://schemas.android.com/tools"<br> android:layout_width="match_parent"<br> android:layout_height="50dp"<br> android:layout_margin="8dp"<br> android:background="@drawable/common_bg"<br> android:orientation="vertical"><br> <TextView<br> android:id="@+id/content"<br> android:layout_width="wrap_content"<br> android:layout_height="wrap_content"<br> android:layout_marginLeft="8dp" /><br></LinearLayout><br>Itemtop.xml:<br><?xml version="1.0" encoding="utf-8"?><br><TextView xmlns:android="http://schemas.android.com/apk/res/android"<br> xmlns:tools="http://schemas.android.com/tools"<br> android:id="@+id/header_view"<br> android:layout_width="match_parent"<br> android:layout_height="wrap_content"<br> android:background="#3E8841"<br> android:padding="10dp"<br> android:textColor="@android:color/white"<br> android:textSize="14sp"<br> tools:text="@string/app_name" />

 

 

2.适应器adapter

 

1

Myadapterweixin,java:<br>package com.example.myapplication1;<br>import android.content.Context;<br>import android.text.TextUtils;<br>import android.view.LayoutInflater;<br>import android.view.View;<br>import android.view.ViewGroup;<br>import android.widget.TextView;<br>import androidx.recyclerview.widget.RecyclerView;<br>import java.util.List;<br>public class myadapterweixin extends <br>RecyclerView.Adapter<myadapterweixin.swipeviewholder> implements <br>TouchHelperListener {<br> private List<String>list;<br> private Context context;<br> private View inflater;<br> public myadapterweixin(Context context, List<String> list) {<br> this.context=context;<br> this.list=list;<br> }<br> @Override<br> public swipeviewholder onCreateViewHolder(ViewGroup parent, int <br>viewType) {<br> inflater= <br>LayoutInflater.from(context).inflate(R.layout.itemweixin,parent,false<br>);<br> swipeviewholder swipeviewholder=new swipeviewholder(inflater);<br> return swipeviewholder;<br> }<br> @Override<br> public void onBindViewHolder(swipeviewholder holder, int <br>position) {<br> holder.tvContent.setText(list.get(position));<br> }<br> @Override<br> public int getItemCount() {return list.size();}<br> @Override<br> public void OnItemDismiss(int position) {<br> if (position < 0 || position > getItemCount()) {<br> return;<br> }<br> list.remove(position);<br> notifyItemRemoved(position);<br> if (position != list.size()) {<br> notifyItemRangeChanged(position, list.size() -<br>position);<br> }<br> }<br> public class swipeviewholder extends RecyclerView.ViewHolder{<br> TextView tvContent;<br> public swipeviewholder(View itemView) {<br> super(itemView);<br> tvContent = itemView.findViewById(R.id.content);<br> }<br> }<br>}

 

以上就是 视频聊天室源码，按住对话框右滑显示删除实现的相关代码，更多内容欢迎关注之后的文章