With Scaling Layout scale your layout on user interaction

<iammert.com.view.scalinglib.ScalingLayout
        android:id="@+id/scalingLayout"
        android:layout_width="300dp"
        android:layout_height="48dp"
        app:radiusFactor="1">
        
        <!-- Your content here -->
        
</iammert.com.view.scalinglib.ScalingLayout>

scalingLayout.expand(); //use this if you want to expand all
scalingLayout.collapse(); //user this if you want to collapse view to initial state.
scalingLayout.setProgress(float progress); //1 is fully expanded, 0 is initial state.

scalingLayout.setListener(new ScalingLayoutListener() {
    @Override
    public void onCollapsed() {}

    @Override
    public void onExpanded() {}

    @Override
    public void onProgress(float progress) {}
});

<iammert.com.view.scalinglib.ScalingLayout
        android:id="@+id/scalingLayout"
        android:layout_width="300dp"
        android:layout_height="48dp"
        app:radiusFactor="1"
        app:layout_behavior="iammert.com.view.scalinglib.ScalingLayoutBehavior">
        
        <!-- Your content here -->
        
</iammert.com.view.scalinglib.ScalingLayout>

maven { url 'https://jitpack.io' }

dependencies {
  compile 'com.github.iammert:ScalingLayout:1.2'
}