I need to completely remove dividers from ExpandableListView. As for parent items it's a setDividerHeight method where I can pass a zero value. But there's no similar method for child divider. Is there any way to hide it?
7 Answers
to hide the child divider set it color to transparent #00000000
define transparent in your color.xml file
<color name="transparent">#00000000</color>
and then set the child divider
listView.setChildDivider(getResources().getDrawable(R.color.transparent))
or in the layout xml file
<ExpandableListView
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:childDivider="#00000000"/>
instead of writing lengthy code use property ExpandableListView.
It will work :-
android:childDivider="@android:color/transparent"
android:divider="@color/tranceParent"
<ExpandableListView
android:id="@+id/expandableList"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@color/tranceParent"
app:layout_constraintTop_toTopOf="parent"
android:divider="@color/tranceParent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
tools:listitem="@layout/item_parent_case"/>
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