SwipeListView 详解实现微信，QQ等滑动删除效果

Posted 2022-11-21 Taserio-xie

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今天看别人项目，看到别人使用了SwipeListView，Google一把，果然github上的，也参考了csdn上的几篇文章，然后自己写了个例子，分享给大家。

效果图：

嗯，看一眼SwipeListView的参数的设置：

If you decide to use SwipeListView as a view, you can define it in your xml layout like this:

    <com.fortysevendeg.swipelistview.SwipeListView
            xmlns:swipe="http://schemas.android.com/apk/res-auto"
            android:id="@+id/example_lv_list"
            android:listSelector="#00000000"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            swipe:swipeFrontView="@+id/front"
            swipe:swipeBackView="@+id/back"
            swipe:swipeActionLeft="[reveal | dismiss]"
            swipe:swipeActionRight="[reveal | dismiss]"
            swipe:swipeMode="[none | both | right | left]"
            swipe:swipeCloseAllItemsWhenMoveList="[true | false]"
            swipe:swipeOpenOnLongPress="[true | false]"
            swipe:swipeAnimationTime="[miliseconds]"
            swipe:swipeOffsetLeft="[dimension]"
            swipe:swipeOffsetRight="[dimension]"
            />

swipeFrontView - Required - front view id. 即ListView Item正常显示的控件Id，且必须与Item的布局文件中的控件id一样
swipeBackView - Required - back view id. 手指滑动时显示的，隐藏在FrontView后面，且必须与item的布局文件中控件Id一样
swipeActionLeft - Optional - left swipe action Default: 'reveal' 左滑的动作，默认reveal，即显示BackView，还有dismiss,choice会触发响应的方法。
swipeActionRight - Optional - right swipe action Default: 'reveal' 同上
swipeMode - Gestures to enable or 'none'. Default: 'both' 设置左滑、右滑、都支持
swipeCloseAllItemsWhenMoveList - Close revealed items on list motion. Default: 'true' 当滚动listview时，关闭所有展开的Item，最好不要设置为false，由于item的复用，false存在一些问题。
swipeOpenOnLongPress - Reveal on long press Default: 'true' 长按时触发显示
swipeAnimationTime - item drop animation time. Default: android configuration 动画时间长度
swipeOffsetLeft - left offset 左偏移量
swipeOffsetRight - right offset 右偏移量

基本属性都介绍了，下面上例子： 1、布局文件

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/white"
    android:clickable="true"
    android:orientation="vertical" xmlns:swipe="http://schemas.android.com/apk/res/com.example.zhy_swipelistview02">

    <include
        layout="@layout/main_title"
        android:focusable="true" />

    <FrameLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent" >

        <com.fortysevendeg.swipelistview.SwipeListView
            android:id="@+id/id_swipelistview"
            android:layout_width="fill_parent"
            android:layout_height="fill_parent"
            swipe:swipeActionLeft="reveal"
            swipe:swipeBackView="@+id/id_back"
            swipe:swipeCloseAllItemsWhenMoveList="true"
            swipe:swipeFrontView="@+id/id_front"
            swipe:swipeMode="left"
            swipe:swipeOffsetLeft="200dip"
            swipe:swipeOpenOnLongPress="false" />

        <TextView
            android:id="@+id/empty"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:drawableTop="@drawable/no_chat"
            android:text="木有联系人"
            android:textColor="#ffb7b7b7"
            android:textSize="14.0sp"
            android:visibility="gone" />
    </FrameLayout>

    <requestFocus />

</LinearLayout>

item的布局文件：

<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="60dp" >

    <LinearLayout
        android:id="@+id/id_back"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="#ffcccccc"
        android:gravity="center|right" >

        <Button
            android:id="@+id/id_remove"
            android:layout_width="60dp"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:layout_marginRight="4dp"
            android:background="@drawable/red_button"
            android:text="Delete"
            android:textColor="#fff" >
        </Button>
    </LinearLayout>

    <LinearLayout
        android:id="@+id/id_front"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="#ffffffff" >

        <TextView
            android:id="@+id/id_text"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="10dp"
            android:gravity="center_vertical"
            android:minHeight="?android:attr/listPreferredItemHeight"
            android:textAppearance="?android:attr/textAppearanceLarge"
            android:textColor="#000"
            android:textSize="25sp" >
        </TextView>
    </LinearLayout>

</FrameLayout>

注意对应布局的id和swipeListView中的frontView和backView的Id一致。
2、MainActivity

package com.example.zhy_swipelistview02;

import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.Window;

import com.fortysevendeg.swipelistview.BaseSwipeListViewListener;
import com.fortysevendeg.swipelistview.SwipeListView;

public class MainActivity extends Activity


	protected static final String TAG = "Activity";
	private SwipeListView mSwipeListView;
	private DataAdapter mAdapter;
	private List<String> mDatas;

	@Override
	protected void onCreate(Bundle savedInstanceState)
	
		super.onCreate(savedInstanceState);
		requestWindowFeature(Window.FEATURE_NO_TITLE);
		setContentView(R.layout.activity_main);

		initDatas();
		
		mSwipeListView = (SwipeListView) findViewById(R.id.id_swipelistview);
		mAdapter = new DataAdapter(this, mDatas , mSwipeListView);
		mSwipeListView.setAdapter(mAdapter);

		mSwipeListView.setSwipeListViewListener(new BaseSwipeListViewListener()
		
			@Override
			public void onChoiceChanged(int position, boolean selected)
			
				Log.d(TAG, "onChoiceChanged:" + position + ", " + selected);
			

			@Override
			public void onChoiceEnded()
			
				Log.d(TAG, "onChoiceEnded");
			

			@Override
			public void onChoiceStarted()
			
				Log.d(TAG, "onChoiceStarted");
			

			@Override
			public void onClickBackView(int position)
			
				Log.d(TAG, "onClickBackView:" + position);
			

			@Override
			public void onClickFrontView(int position)
			
				Log.d(TAG, "onClickFrontView:" + position);
			

			@Override
			public void onClosed(int position, boolean fromRight)
			
				Log.d(TAG, "onClosed:" + position + "," + fromRight);
			

			@Override
			public void onDismiss(int[] reverseSortedPositions)
			
				Log.d(TAG, "onDismiss");
			
			

			@Override
			public void onFirstListItem()
			
				Log.d(TAG, "onFirstListItem");
			

			@Override
			public void onLastListItem()
			
				Log.d(TAG, "onLastListItem");
			

			@Override
			public void onListChanged()
			
				Log.d(TAG, "onListChanged");

				mSwipeListView.closeOpenedItems();

			

			@Override
			public void onMove(int position, float x)
			
				Log.d(TAG, "onMove:" + position + "," + x);
			

			@Override
			public void onOpened(int position, boolean toRight)
			
				Log.d(TAG, "onOpened:" + position + "," + toRight);
			

			@Override
			public void onStartClose(int position, boolean right)
			
				Log.d(TAG, "onStartClose:" + position + "," + right);
			

			@Override
			public void onStartOpen(int position, int action, boolean right)
			
				Log.d(TAG, "onStartOpen:" + position + "," + action + ","
						+ right);
			
		);
	

	private void initDatas()
	
		mDatas = new ArrayList<String>();
		for (int i = 'A'; i <= 'Z'; i++)
			mDatas.add((char) i + "");

Adapter:

package com.example.zhy_swipelistview02;

import java.util.List;

import com.fortysevendeg.swipelistview.SwipeListView;

import android.content.Context;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.TextView;

public class DataAdapter extends BaseAdapter


	private List<String> mDatas;
	private LayoutInflater mInflater;
	private SwipeListView mSwipeListView ;

	public DataAdapter(Context context, List<String> datas , SwipeListView swipeListView)
	
		this.mDatas = datas;
		mInflater = LayoutInflater.from(context);
		mSwipeListView = swipeListView;
	

	@Override
	public int getCount()
	
		return mDatas.size();
	

	@Override
	public Object getItem(int position)
	
		return mDatas.get(position);
	

	@Override
	public long getItemId(int position)
	
		return position;
	

	@Override
	public View getView(final int position, View convertView, ViewGroup parent)
	
		convertView = mInflater.inflate(R.layout.list_item, null);

		TextView tv = (TextView) convertView.findViewById(R.id.id_text);
		Button del = (Button) convertView.findViewById(R.id.id_remove);
		tv.setText(mDatas.get(position));
		del.setOnClickListener(new OnClickListener()
		
			@Override
			public void onClick(View v)
			
				mDatas.remove(position);
				notifyDataSetChanged();
				 /**
				  * 关闭SwipeListView
				  * 不关闭的话，刚删除位置的item存在问题
				  * 在监听事件中onListChange中关闭，会出现问题
				  */
				mSwipeListView.closeOpenedItems();
			
		);
		
		return convertView;

代码相当简单，MainActivity里面设置了监听事件，可以使用Demo的时候，观察触发的事件的输出，如果有特殊需求可以做一些操作。

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