Expandable LinearLayout 
allprojects { repositories { ... maven { url 'https://jitpack.io' } } } dependencies { compile 'com.github.iammert:ExpandableLayout:1.4.1' }<iammert.com.expandablelib.ExpandableLayout android:id="@+id/el" android:layout_width="match_parent" android:layout_height="match_parent" app:parentLayout="@layout/layout_parent" app:childLayout="@layout/layout_child"/>expandableLayout.setRenderer(new ExpandableLayout.Renderer<FruitCategory, Fruit>() { @Override public void renderParent(View view, FruitCategory model, boolean isExpanded, int parentPosition) { ((TextView) view.findViewById(R.id.tvParent)).setText(model.name); } @Override public void renderChild(View view, Fruit model, int parentPosition, int childPosition) { ((TextView) view.findViewById(R.id.tvChild)).setText(model.name); } });expandableLayout.setExpandListener(new ExpandCollapseListener.ExpandListener<FruitCategory>() { @Override public void onExpanded(int parentIndex, FruitCategory parent, View view) { //Layout expanded } }); expandableLayout.setCollapseListener(new ExpandCollapseListener.CollapseListener<FruitCategory>() { @Override public void onCollapsed(int parentIndex, FruitCategory parent, View view) { //Layout collapsed } });Section<FruitCategory, Fruit> section = new Section<>(); //defaut is false section.expanded = true; FruitCategory fruitCategory = new FruitCategory("Fruits"); Fruit fruit1 = new Fruit("Apple"); Fruit fruit2 = new Fruit("Orange"); section.parent = fruitCategory; section.children.add(fruit1); section.children.add(fruit2); expandableLayout.addSection(section); expandableLayout.addChild(fruitCategory, new Fruit("Grape"));//make your parent class filterable class FruitCatefory implements Filterable{} //make your child class filterable class FruitCatefory implements Filterable{}Now, you can search in parents or children. Layout will be updated automatically.
expendableLayout.filterParent("SEARCH PARAM") //or expendableLayout.filterChildren("SEARCH PARAM")Copyright 2017 Mert Şimşek. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.