Android更多条目收缩展开控件ExpandView的示例代码

dependencies{
   compile 'com.wkp:ExpandView:1.0.4'
   //Android Studio3.0+可用以下方式
   //implementation 'com.wkp:ExpandView:1.0.4'
}

<!--每行字段数-- 
    <attr name="wkp_column" format="integer"/ 
    <!--最少显示行数-- 
    <attr name="wkp_rowMin" format="integer"/ 
    <!--条目间距-- 
    <attr name="wkp_space" format="dimension"/ 
    <!--条目动画时长,0为无动画-- 
    <attr name="wkp_itemDuration" format="integer"/ 
    <!--条目高度-- 
    <attr name="wkp_itemHeight" format="dimension"/ 
    <!--“更多”按钮图片-- 
    <attr name="wkp_moreButtonImg" format="reference"/ 
    <!--“更多”按钮文本-- 
    <attr name="wkp_moreButtonText" format="string"/ 
    <!--显示文本模式时的条目背景色-- 
    <attr name="wkp_textBgColor" format="color"/ 
    <!--显示文本模式时的条目文本颜色-- 
    <attr name="wkp_textColor" format="color"/ 
    <!--显示文本模式时的文本大小-- 
    <attr name="wkp_textSize" format="dimension"/ 
    <!--显示文本模式时的条目背景图-- 
    <attr name="wkp_textBgRes" format="reference"/ 

  <com.wkp.expandview_lib.view.ExpandView
    app:wkp_textSize="@dimen/size_16sp"
    app:wkp_column="3"
    app:wkp_rowMin="3"
    app:wkp_itemHeight="120dp"
    app:wkp_textBgRes="@drawable/text_bg"
    android:id="@+id/ev"
    android:layout_width="match_parent"
    android:layout_height="wrap_content" 

  </com.wkp.expandview_lib.view.ExpandView 

  <com.wkp.expandview_lib.view.ExpandView
    app:wkp_textSize="@dimen/size_16sp"
    app:wkp_column="4"
    app:wkp_rowMin="2"
    app:wkp_itemHeight="120dp"
    app:wkp_textBgRes="@drawable/text_bg"
    android:id="@+id/ev"
    android:layout_width="match_parent"
    android:layout_height="wrap_content" 
    
  </com.wkp.expandview_lib.view.ExpandView 

public class MainActivity extends AppCompatActivity {

  private static final String[] items = {"雨水滴在我的外套", "已找到", "每分每秒", "来啊，互相伤害啊", "等你到天涯海角", "遇见了你才知道你对我多重要",
      "123", "456", "789", "abc", "def", "收起"};

  private static final String[] items1 = {"雨水滴在我的外套1", "已找到1", "每分每秒1", "来啊，互相伤害啊1", "等你到天涯海角1", "遇见了你才知道你对我多重要1",
      "123", "456", "789", "abc1", "def1", "收起1"};

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    final ExpandView expandView = (ExpandView) findViewById(R.id.ev);
    //设置数据
    expandView.setTextItems(items);
    //测试当在ListView中条目复用问题
    expandView.setTextItems(items1);
    //测试未展开下调用收起的效果
    expandView.packUpItems();
    //条目点击监听
    expandView.setOnItemClickListener(new ExpandView.OnItemClickListener() {
      @Override
      public void onItemClick(View view, ViewGroup parent, int position) {
        if (position == items.length - 1) {
          //收起隐藏条目
          expandView.packUpItems();
        }
      }
    });
  }
}