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

<!--每行字段數-->    <attr name="wkp_column" format="integer"/>    <!--最少顯示行數-->    <attr name="wkp_rowMin" format="integer"/>    <!--條目間距-->    <attr name="wkp_space" format="dimension"/>    <!--條目動畫時長,0為無動畫-->    <attr name="wkp_itemDuration" format="integer"/>    <!--條目高度-->    <attr name="wkp_itemHeight" format="dimension"/>    <!--“更多”按鈕圖片-->    <attr name="wkp_moreButtonImg" format="reference"/>    <!--“更多”按鈕文本-->    <attr name="wkp_moreButtonText" format="string"/>    <!--顯示文本模式時的條目背景色-->    <attr name="wkp_textBgColor" format="color"/>    <!--顯示文本模式時的條目文本顏色-->    <attr name="wkp_textColor" format="color"/>    <!--顯示文本模式時的文本大小-->    <attr name="wkp_textSize" format="dimension"/>    <!--顯示文本模式時的條目背景圖-->    <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", "來啊，互相傷害啊", "等你到天涯海角", "遇見了你才知道你對我多重要",      "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", "來啊，互相傷害啊1", "等你到天涯海角1", "遇見了你才知道你對我多重要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);    //設置數據    expandView.setTextItems(items);    //測試當在ListView中條目復用問題    expandView.setTextItems(items1);    //測試未展開下調用收起的效果    expandView.packUpItems();    //條目點擊監聽    expandView.setOnItemClickListener(new ExpandView.OnItemClickListener() {      @Override      public void onItemClick(View view, ViewGroup parent, int position) {        if (position == items.length - 1) {          //收起隱藏條目          expandView.packUpItems();        }      }    });  }}