<ConstraintLayoutStates
        xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:tools="http://schemas.android.com/tools"
        xmlns:app="http://schemas.android.com/apk/res-auto"
>
        <State
                android:id="@+id/start"
                app:constraints="@layout/start_layout"/>
        <State
                android:id="@+id/loading"
                app:constraints="@layout/activity_cl_states_loading"/>
        <State
                android:id="@+id/end"
                app:constraints="@layout/activity_cl_states_end"/>
    </ConstraintLayoutStates>