ExpandableHeightListView

allprojects {
    repositories {
        maven {
            url 'https://s01.oss.sonatype.org/content/repositories/releases/'
        }
    }
}

dependencies {
    implementation('com.gitee.chinasoft_ohos:expandableHeightListView:1.0.0')

    ...
}

<com.github.paolorotolo.expandableheightlistview.ExpandableHeightListView
    ohos:id="$+id:expandable_listview"
    ohos:height="match_content"
    ohos:long_click_enabled="false"
    ohos:width="match_parent"
    ohos:padding="8vp">
</com.github.paolorotolo.expandableheightlistview.ExpandableHeightListView>

ExpandableHeightListView expandableListView = (ExpandableHeightListView) findComponentById(ResourceTable.Id_expandable_listview);
for (int i = 0; i <= 20; i++) {
    arrayList.add(i);
}
expandableListView.setExpanded(true);
expandableListView.setProvider(this, arrayList);

<com.github.paolorotolo.expandableheightlistview.ExpandableHeightGridView
    ohos:id="$+id:expandable_gridview"
    ohos:height="match_content"
    ohos:width="match_parent"
    ohos:long_click_enabled="false"
    ohos:padding="8vp">
</com.github.paolorotolo.expandableheightlistview.ExpandableHeightGridView>

gridListContainer = (ExpandableHeightGridView) findComponentById(ResourceTable.Id_expandable_gridview);
ArrayList<Integer> arrayList = new ArrayList<>();
for (int i = 0; i <= 20; i++) {
    arrayList.add(i);
}
int padding = gridListContainer.getPaddingLeft() + gridListContainer.getPaddingRight();
DirectionalLayout componentParent = (DirectionalLayout) gridListContainer.getComponentParent();
int paddingPar = componentParent.getPaddingLeft() + componentParent.getPaddingRight();
gridListContainer.setExpanded(true);
gridListContainer.setProvider(3, arrayList, padding, paddingPar);