expandable list view in android
<RelativeLayout xmlns:android="https://schemas.android.com/apk/res/android" xmlns:tools="https://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity"> <ExpandableListView android:id="@+id/expandableListView" android:layout_height="match_parent" android:layout_width="match_parent" android:indicatorLeft="?android:attr/expandableListPreferredItemIndicatorLeft" android:divider="@android:color/darker_gray" android:dividerHeight="0.5dp" /> </RelativeLayout>
