做一下qq聊天列表的item右滑出现后面的视图,然后我就开始着手自己做,之后无意间发现了可以利用一个github开源项目 swiplistview完成,但是当我查看那些swiplistview的相关文档时,很不全面,github官网上下载的和之前他们写的文档已经有所 不同,所以在这里我就重新来写一下怎么使用swiplistview的准备阶段。
之前的文档都是说,当从官网上下载下来后,有两个文件,一个是lib:android-swiplistview,另一个是例子:SwipListViewExampleActivity,但是现在下载后,解压后是这样的
![](//img-blog.csdn.net/20141123201001750?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvSGFycnlXZWFzbGV5/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast)
显
然已经和之前的不一样了,现在的官网上是用了gradle来构造Android程序,但我以前根本没有接触过gradle,所以只能自己去找以前的那个
swiplistview。当时我也是纠结了很久,自己FQ出去,各种Google,最后终于找到了,swiplistview,我之后会全部上传,共享
给大家。
下面是qq的效果图:
![](//img-blog.csdn.net/20141123200505553?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvSGFycnlXZWFzbGV5/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center)
下面是我这个项目的效果图:
![](//img-blog.csdn.net/20141123200553180?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvSGFycnlXZWFzbGV5/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast)
现在我们进入正题:
我们一共需要两个jar包,一个swiplistview,如图所示:这三个下载地址http://download.csdn.net/detail/harryweasley/8190519
![](//img-blog.csdn.net/20141123201827750?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvSGFycnlXZWFzbGV5/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast)
1. 引入android-swipelistview库:导入开源库,用Import选项,然后Android选项下的“Existing Android Code Into Workspace”引入库;在这里将“copy projects into workspace”前面打钩哦
2.引入android-swipelistview的依赖库nineoldandroids-2.4.0.jar:建立一个libs文件夹,将nineoldandroids-2.4.0.jar拷贝到libs文件夹之下;
3.引入android-swipelistview的依赖内部库android-support-v4.jar:项目的Android
Tools选项,“Add Support
Library”来增加android-support-v4库;(注:如果找不到对应的support库,可以通过SDK Manager来进行下载)
4.编译android-swipelistview库的jar包:项目的Properties选项,Android选项,勾选"Is Library";
5.编译android-swipelistview项目,在项目的bin目录应该能看到android-swipelistview.jar包。
这样,我们就完成了swiplistview的库了。
然后我们自己建立一个Android程序SwipListView进行测试,建好后,开始导入库,项目的Properties选项,Android选项,Library框选择add按钮添加swipelistview.jar包;
这里需要注意:swipelistview这个lib必须和SwiplistView在同一工作区间,否则导入的包前面会有红叉。如图所示
![](//img-blog.csdn.net/20141123203256176?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvSGFycnlXZWFzbGV5/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast)
我们可以看下官网上关于SwipListView的描述
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
上面是基本属性,下面开始上代码:
首先是activity_main.xml下的代码:
03 |
android:layout_width= "match_parent" |
04 |
android:layout_height= "match_parent" |
05 |
tools:context= ".MainActivity" > |
07 |
<com.fortysevendeg.swipelistview.SwipeListView |
09 |
android:id= "@+id/example_lv_list" |
10 |
android:layout_width= "fill_parent" |
11 |
android:layout_height= "fill_parent" |
12 |
swipe:swipeActionLeft= "reveal" |
13 |
swipe:swipeBackView= "@+id/id_back" |
14 |
swipe:swipeCloseAllItemsWhenMoveList= "true" |
15 |
swipe:swipeFrontView= "@+id/id_front" |
16 |
swipe:swipeMode= "left" |
17 |
swipe:swipeOffsetLeft= "200dip" |
18 |
swipe:swipeOffsetRight= "0dp" |
19 |
swipe:swipeOpenOnLongPress= "true" /> |
接下来是itm.xml的代码:
03 |
android:layout_width= "match_parent" |
04 |
android:layout_height= "60dp" > |
07 |
android:id= "@+id/id_back" |
08 |
android:layout_width= "match_parent" |
09 |
android:layout_height= "match_parent" |
10 |
android:background= "#ffcccccc" |
11 |
android:gravity= "center|right" > |
14 |
android:id= "@+id/id_remove" |
15 |
android:layout_width= "60dp" |
16 |
android:layout_height= "wrap_content" |
17 |
android:layout_gravity= "center" |
18 |
android:layout_marginRight= "4dp" |
19 |
android:background= "@android:color/holo_green_light" |
21 |
android:textColor= "#fff" > |
26 |
android:id= "@+id/id_front" |
27 |
android:layout_width= "match_parent" |
28 |
android:layout_height= "match_parent" |
29 |
android:background= "#ffffffff" > |
32 |
android:id= "@+id/id_text" |
33 |
android:layout_width= "wrap_content" |
34 |
android:layout_height= "wrap_content" |
35 |
android:layout_marginLeft= "10dp" |
36 |
android:gravity= "center_vertical" |
37 |
android:minHeight= "?android:attr/listPreferredItemHeight" |
38 |
android:textAppearance= "?android:attr/textAppearanceLarge" |
39 |
android:textColor= "#000" |
40 |
android:textSize= "25sp" > |
这里要强调一下:对应布局的id和swipeListView中的frontView和backView的Id一致。
接下来是DataAdapter的代码
01 |
package com.example.swiplistview; |
03 |
import java.util.List; |
05 |
import android.content.Context; |
06 |
import android.view.LayoutInflater; |
07 |
import android.view.View; |
08 |
import android.view.View.OnClickListener; |
09 |
import android.view.ViewGroup; |
10 |
import android.widget.BaseAdapter; |
11 |
import android.widget.Button; |
12 |
import android.widget.TextView; |
14 |
import com.fortysevendeg.swipelistview.SwipeListView; |
16 |
public class DataAdapter extends BaseAdapter{ |
17 |
private List<String> mDatas; |
18 |
private LayoutInflater mInflater; |
19 |
private SwipeListView mSwipeListView ; |
21 |
public DataAdapter(Context context, List<String> datas , SwipeListView swipeListView) |
24 |
mInflater = LayoutInflater.from(context); |
25 |
mSwipeListView = swipeListView; |
36 |
public Object getItem( int position) |
38 |
return mDatas.get(position); |
42 |
public long getItemId( int position) |
48 |
public View getView( final int position, View convertView, ViewGroup parent) |
50 |
convertView = mInflater.inflate(R.layout.item, null ); |
52 |
TextView tv = (TextView) convertView.findViewById(R.id.id_text); |
53 |
Button del = (Button) convertView.findViewById(R.id.id_remove); |
54 |
tv.setText(mDatas.get(position)); |
55 |
del.setOnClickListener( new OnClickListener() |
58 |
public void onClick(View v) |
60 |
mDatas.remove(position); |
61 |
notifyDataSetChanged(); |
64 |
* 不关闭的话,刚删除位置的item存在问题 ,不能再次点击 |
66 |
mSwipeListView.closeOpenedItems(); |
最后是MainActivity的代码了,都比较简单:
01 |
package com.example.swiplistview; |
03 |
import java.util.ArrayList; |
04 |
import java.util.List; |
06 |
import android.app.Activity; |
07 |
import android.os.Bundle; |
09 |
import com.fortysevendeg.swipelistview.BaseSwipeListViewListener; |
10 |
import com.fortysevendeg.swipelistview.SwipeListView; |
12 |
public class MainActivity extends Activity { |
13 |
SwipeListView swipeListView; |
18 |
protected void onCreate(Bundle savedInstanceState) { |
19 |
super .onCreate(savedInstanceState); |
20 |
setContentView(R.layout.activity_main); |
21 |
mDatas = new ArrayList<String>(); |
22 |
for ( int i = 0 ; i < 20 ; i++) { |
23 |
mDatas.add( "这是记录呢。。" + i); |
26 |
swipeListView = (SwipeListView) findViewById(R.id.example_lv_list); |
27 |
adapter = new DataAdapter( this , mDatas, swipeListView); |
28 |
swipeListView.setAdapter(adapter); |
30 |
swipeListView.setSwipeListViewListener( new BaseSwipeListViewListener() { |
33 |
public void onListChanged() { |
35 |
super .onListChanged(); |
40 |
public void onClickFrontView( int position) { |
42 |
super .onClickFrontView(position); |
这样就大功告成了。
上面的都是最基本的功能,完成了上面的那些,然后我们就可以做相应的点击事件了。所以一起加油吧。
最后还有一个我在github下载的一个Demo,但并不是47deg的,是一个普通人写的,我给她上传了,下载地址http://download.csdn.net/detail/harryweasley/8190525
这里多说一下,你刚导入Eclipse时,会报一个不能解析android-14,你重启一下Eclipse,就好了。第二个问题,重启Eclipse后,bin文件里又有错误了,删除bin文件,Eclipse会重新自动生成一个,这样两个小bug就解决了。