zumo_2.0_android/app/src/main/res/layout/action_bar.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
  xmlns:android="http://schemas.android.com/apk/res/android"
  xmlns:app="http://schemas.android.com/apk/res-auto"
  xmlns:tools="http://schemas.android.com/tools"
  android:layout_width="match_parent"
  android:layout_height="@dimen/action_bar_height"
  android:background="@color/CFFFFFF"
  android:gravity="center_vertical"
  android:orientation="vertical">

  <LinearLayout
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="center_vertical"
    android:paddingStart="14dp"
    android:paddingEnd="8dp"
    >

    <android.support.constraint.ConstraintLayout
      android:layout_width="wrap_content"
      android:layout_height="wrap_content">

      <ImageView
        android:id="@+id/button_back"
        android:layout_width="35dp"
        android:layout_height="35dp"
        android:paddingStart="10dp"
        android:paddingTop="10dp"
        android:paddingEnd="10dp"
        android:paddingBottom="10dp"
        app:srcCompat="@drawable/icon_header_back"/>

      <ImageView
        android:id="@+id/image_bi"
        android:layout_width="62dp"
        android:layout_height="15dp"
        android:layout_marginStart="19dp"
        android:layout_marginTop="8dp"
        android:layout_marginEnd="8dp"
        android:layout_marginBottom="8dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="@+id/button_back"
        app:layout_constraintTop_toTopOf="parent"
        app:srcCompat="@drawable/ic_bi_header_black"/>

    </android.support.constraint.ConstraintLayout>

    <TextView
      android:id="@+id/action_bar_title"
      android:layout_width="0dp"
      android:layout_height="56dp"
      android:layout_marginStart="8dp"
      android:layout_marginEnd="18dp"
      android:layout_weight="1"
      android:gravity="center"
      android:textColor="@color/C000000"
      android:textSize="18sp"
      tools:text="action bar title"
      />


    <ImageView
      android:id="@+id/button_search"
      android:layout_width="34dp"
      android:layout_height="34dp"
      android:paddingStart="9dp"
      android:paddingTop="9dp"
      android:paddingEnd="9dp"
      android:paddingBottom="9dp"
      app:layout_constraintBottom_toBottomOf="parent"
      app:layout_constraintEnd_toStartOf="@+id/button_menu"
      app:layout_constraintTop_toTopOf="parent"
      app:srcCompat="@drawable/ic_icon_header_search"/>

    <ImageView
      android:id="@+id/button_menu"
      android:layout_width="38dp"
      android:layout_height="38dp"
      android:paddingStart="9dp"
      android:paddingTop="9dp"
      android:paddingEnd="9dp"
      android:paddingBottom="9dp"
      app:layout_constraintBottom_toBottomOf="parent"
      app:layout_constraintEnd_toEndOf="parent"
      app:layout_constraintTop_toTopOf="parent"
      app:srcCompat="@drawable/ic_icon_header_menu"/>
  </LinearLayout>

  <RelativeLayout
    android:layout_width="match_parent"
    android:layout_height="4dp"
    android:gravity="start">

    <!--<LinearLayout-->
    <!--android:id="@+id/layout_for_max_width"-->
    <!--android:layout_width="match_parent"-->
    <!--android:layout_height="match_parent"-->
    <!--android:background="@color/CF8F8F8"-->
    <!--android:orientation="horizontal"/>-->

    <ProgressBar
      android:id="@+id/progress_bar"
      style="?android:attr/progressBarStyleHorizontal"
      android:layout_width="match_parent"
      android:layout_height="match_parent"
      android:layout_centerInParent="false"
      android:progressDrawable="@drawable/sign_up_progress"
      tools:progress="40"
      />
  </RelativeLayout>

</LinearLayout>