SwipeListView 详解 实现微信,QQ等滑动删除效果
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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;@Overrideprotected 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(){@Overridepublic void onChoiceChanged(int position, boolean selected){Log.d(TAG, "onChoiceChanged:" + position + ", " + selected);}@Overridepublic void onChoiceEnded(){Log.d(TAG, "onChoiceEnded");}@Overridepublic void onChoiceStarted(){Log.d(TAG, "onChoiceStarted");}@Overridepublic void onClickBackView(int position){Log.d(TAG, "onClickBackView:" + position);}@Overridepublic void onClickFrontView(int position){Log.d(TAG, "onClickFrontView:" + position);}@Overridepublic void onClosed(int position, boolean fromRight){Log.d(TAG, "onClosed:" + position + "," + fromRight);}@Overridepublic void onDismiss(int[] reverseSortedPositions){Log.d(TAG, "onDismiss");}@Overridepublic void onFirstListItem(){Log.d(TAG, "onFirstListItem");}@Overridepublic void onLastListItem(){Log.d(TAG, "onLastListItem");}@Overridepublic void onListChanged(){Log.d(TAG, "onListChanged");mSwipeListView.closeOpenedItems();}@Overridepublic void onMove(int position, float x){Log.d(TAG, "onMove:" + position + "," + x);}@Overridepublic void onOpened(int position, boolean toRight){Log.d(TAG, "onOpened:" + position + "," + toRight);}@Overridepublic void onStartClose(int position, boolean right){Log.d(TAG, "onStartClose:" + position + "," + right);}@Overridepublic 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;}@Overridepublic int getCount(){return mDatas.size();}@Overridepublic Object getItem(int position){return mDatas.get(position);}@Overridepublic long getItemId(int position){return position;}@Overridepublic 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(){@Overridepublic 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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- SwipeListView 详解 实现微信,QQ等滑动删除效果
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