base_state.xml

<ConstraintSet android:id="@+id/base">
        <Constraint
            android:id="@+id/iv_home"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toStartOf="@id/tv_home"
            app:layout_constraintHorizontal_chainStyle="spread"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent">
            <CustomAttribute
                app:attributeName="crossfade"
                app:customFloatValue="0" />
        </Constraint>
        <Constraint
            android:id="@+id/iv_search"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toStartOf="@id/tv_search"
            app:layout_constraintHorizontal_chainStyle="spread"
            app:layout_constraintStart_toEndOf="@id/tv_home"
            app:layout_constraintTop_toTopOf="parent">
            <CustomAttribute
                app:attributeName="crossfade"
                app:customFloatValue="0" />
        </Constraint>
        <Constraint
            android:id="@+id/iv_like"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toStartOf="@id/tv_like"
            app:layout_constraintHorizontal_chainStyle="spread"
            app:layout_constraintStart_toEndOf="@id/tv_search"
            app:layout_constraintTop_toTopOf="parent">
            <CustomAttribute
                app:attributeName="crossfade"
                app:customFloatValue="0" />
        </Constraint>
        <Constraint
            android:id="@+id/iv_profile"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toStartOf="@id/tv_profile"
            app:layout_constraintHorizontal_chainStyle="spread"
            app:layout_constraintStart_toEndOf="@id/tv_like"
            app:layout_constraintTop_toTopOf="parent">
            <CustomAttribute
                app:attributeName="crossfade"
                app:customFloatValue="0" />
        </Constraint>
    </ConstraintSet>