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

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
  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="@null">

  <android.support.constraint.ConstraintLayout
    android:id="@+id/layout_background"
    android:layout_width="match_parent"
    android:layout_height="@dimen/action_bar_height"
    tools:background="@color/C999999"
    >

    <android.support.constraint.Guideline
      android:id="@+id/guide_start"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:orientation="vertical"
      app:layout_constraintGuide_begin="7dp"/>

    <ImageView
      android:id="@+id/image_view_back"
      android:layout_width="36dp"
      android:layout_height="36dp"
      android:background="?android:attr/selectableItemBackground"
      android:padding="9dp"
      app:layout_constraintBottom_toBottomOf="parent"
      app:layout_constraintStart_toStartOf="@id/guide_start"
      app:layout_constraintTop_toTopOf="parent"
      app:srcCompat="@drawable/icon_header_back"/>

    <ImageView
      android:id="@+id/image_view_home"
      android:layout_width="36dp"
      android:layout_height="36dp"
      android:background="?android:attr/selectableItemBackground"
      android:padding="9dp"
      app:layout_constraintBottom_toBottomOf="parent"
      app:layout_constraintStart_toEndOf="@id/image_view_back"
      app:layout_constraintTop_toTopOf="parent"
      app:srcCompat="@drawable/ic_icon_header_home"/>

    <ImageView
      android:id="@+id/image_view_notification"
      android:layout_width="36dp"
      android:layout_height="36dp"
      android:background="?android:attr/selectableItemBackground"
      android:padding="7dp"
      android:scaleType="centerCrop"
      app:layout_constraintBottom_toBottomOf="parent"
      app:layout_constraintStart_toEndOf="@+id/image_view_home"
      app:layout_constraintTop_toTopOf="parent"
      app:srcCompat="@drawable/icon_header_notice"/>

    <ImageView
      android:id="@+id/image_view_setting"
      android:layout_width="36dp"
      android:layout_height="36dp"
      android:background="?android:attr/selectableItemBackground"
      android:padding="9dp"
      app:layout_constraintBottom_toBottomOf="parent"
      app:layout_constraintStart_toEndOf="@+id/image_view_notification"
      app:layout_constraintTop_toTopOf="parent"
      app:srcCompat="@drawable/ic_icon_header_setting"/>

    <android.support.constraint.Guideline
      android:id="@+id/guide_start2"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:orientation="vertical"
      app:layout_constraintGuide_begin="24dp"/>

    <ImageView
      android:id="@+id/image_bi"
      android:layout_width="61dp"
      android:layout_height="39dp"
      android:background="?android:attr/selectableItemBackground"
      android:padding="9dp"
      android:scaleType="center"
      app:layout_constraintBottom_toBottomOf="parent"
      app:layout_constraintStart_toStartOf="@id/guide_start2"
      app:layout_constraintTop_toTopOf="parent"
      app:srcCompat="@drawable/bi_header_black"/>

    <LinearLayout
      android:id="@+id/layout_title_hit_area"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_marginStart="50dp"
      android:layout_marginEnd="50dp"
      android:background="?android:attr/selectableItemBackground"
      android:orientation="horizontal"
      android:paddingStart="9dp"
      android:paddingEnd="7dp"
      app:layout_constraintBottom_toBottomOf="parent"
      app:layout_constraintEnd_toEndOf="parent"
      app:layout_constraintStart_toStartOf="parent"
      app:layout_constraintTop_toTopOf="parent">

      <TextView
        android:id="@+id/action_bar_title"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:clickable="false"
        android:gravity="center"
        android:maxLines="1"
        android:paddingTop="7dp"
        android:paddingBottom="7dp"
        android:textColor="@color/C000000"
        android:textSize="16dp"
        app:layout_constrainedWidth="true"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toStartOf="@+id/image_view_open_arrow"
        app:layout_constraintHorizontal_chainStyle="packed"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_goneMarginEnd="50dp"
        tools:text="VVVVVVVVVVVVVVVVVVV"/>
      <!-- 타이틀 옆에 아이콘 자리 -->
      <ImageView
        android:id="@+id/image_view_open_arrow"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:clickable="false"
        android:paddingStart="3dp"
        android:paddingTop="13dp"
        android:paddingBottom="8dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toEndOf="@+id/action_bar_title"
        app:layout_constraintTop_toTopOf="parent"
        app:srcCompat="@drawable/icon_h_down"
        tools:visibility="visible"/>

    </LinearLayout>

    <TextView
      android:id="@+id/text_sub"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:background="?android:attr/selectableItemBackground"
      android:gravity="end"
      android:padding="9dp"
      android:textColor="#666666"
      android:textSize="12dp"
      app:layout_constraintBottom_toBottomOf="parent"
      app:layout_constraintEnd_toStartOf="@+id/image_view_search"
      app:layout_constraintTop_toTopOf="parent"
      tools:text="회원확인"
      />

    <android.support.constraint.Guideline
      android:id="@+id/guide_end2"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:orientation="vertical"
      app:layout_constraintGuide_end="36.5dp"/>

    <ImageView
      android:id="@+id/image_view_search"
      android:layout_width="36dp"
      android:layout_height="36dp"
      android:background="?android:attr/selectableItemBackground"
      android:padding="9dp"
      app:layout_constraintBottom_toBottomOf="parent"
      app:layout_constraintEnd_toStartOf="@+id/image_view_close"
      app:layout_constraintTop_toTopOf="parent"
      app:srcCompat="@drawable/ic_icon_header_search"/>

    <ImageView
      android:id="@+id/image_view_close"
      android:layout_width="36dp"
      android:layout_height="36dp"
      android:background="?android:attr/selectableItemBackground"
      android:padding="9dp"
      app:layout_constraintBottom_toBottomOf="parent"
      app:layout_constraintEnd_toStartOf="@+id/image_view_menu"
      app:layout_constraintTop_toTopOf="parent"
      app:srcCompat="@drawable/ic_icon_header_close"/>

    <ImageView
      android:id="@+id/image_view_menu"
      android:layout_width="36dp"
      android:layout_height="36dp"
      android:background="?android:attr/selectableItemBackground"
      android:padding="9dp"
      app:layout_constraintBottom_toBottomOf="parent"
      app:layout_constraintEnd_toStartOf="@+id/image_view_share"
      app:layout_constraintTop_toTopOf="parent"
      app:srcCompat="@drawable/ic_icon_header_menu"/>

    <ImageView
      android:id="@+id/image_view_share"
      android:layout_width="36dp"
      android:layout_height="36dp"
      android:background="?android:attr/selectableItemBackground"
      android:padding="9dp"
      android:scaleType="center"
      app:layout_constraintBottom_toBottomOf="parent"
      app:layout_constraintEnd_toStartOf="@+id/image_view_like"
      app:layout_constraintTop_toTopOf="parent"
      app:srcCompat="@drawable/icon_header_share_wh"
      />

    <ImageView
      android:id="@+id/image_view_like"
      android:layout_width="36dp"
      android:layout_height="36dp"
      android:background="?android:attr/selectableItemBackground"
      android:padding="7dp"
      android:scaleType="centerCrop"
      app:layout_constraintBottom_toBottomOf="parent"
      app:layout_constraintEnd_toStartOf="@+id/image_view_bookmark"
      app:layout_constraintTop_toTopOf="parent"
      app:srcCompat="@drawable/icon_header_like_wh_off"
      />

    <ImageView
      android:id="@+id/image_view_bookmark"
      android:layout_width="36dp"
      android:layout_height="36dp"
      android:background="?android:attr/selectableItemBackground"
      android:padding="7dp"
      android:scaleType="centerCrop"
      app:layout_constraintBottom_toBottomOf="parent"
      app:layout_constraintEnd_toStartOf="@+id/image_view_confirm"
      app:layout_constraintTop_toTopOf="parent"
      app:srcCompat="@drawable/icon_header_bookmark_wh_off"
      />

    <ImageView
      android:id="@+id/image_view_confirm"
      android:layout_width="36dp"
      android:layout_height="36dp"
      android:background="?android:attr/selectableItemBackground"
      android:padding="7.5dp"
      android:scaleType="centerCrop"
      app:layout_constraintBottom_toBottomOf="parent"
      app:layout_constraintEnd_toStartOf="@+id/image_view_edit"
      app:layout_constraintTop_toTopOf="parent"
      app:srcCompat="@drawable/ic_icon_bucket_complete_default"
      />

    <ImageView
      android:id="@+id/image_view_edit"
      android:layout_width="36dp"
      android:layout_height="36dp"
      android:background="?android:attr/selectableItemBackground"
      android:padding="9dp"
      android:scaleType="center"
      app:layout_constraintBottom_toBottomOf="parent"
      app:layout_constraintEnd_toStartOf="@+id/image_view_trash"
      app:layout_constraintTop_toTopOf="parent"
      app:srcCompat="@drawable/icon_edit_copy"
      />

    <ImageView
      android:id="@+id/image_view_trash"
      android:layout_width="36dp"
      android:layout_height="36dp"
      android:background="?android:attr/selectableItemBackground"
      android:padding="9dp"
      android:scaleType="center"
      app:layout_constraintBottom_toBottomOf="parent"
      app:layout_constraintEnd_toStartOf="@+id/image_view_dotdotdot"
      app:layout_constraintTop_toTopOf="parent"
      app:srcCompat="@drawable/icon_delete_bucket"
      />


    <ImageView
      android:id="@+id/image_view_dotdotdot"
      android:layout_width="27dp"
      android:layout_height="36dp"
      android:background="?android:attr/selectableItemBackground"
      android:paddingStart="0dp"
      android:paddingTop="9dp"
      android:paddingEnd="9dp"
      android:paddingBottom="9dp"
      android:scaleType="center"
      app:layout_constraintBottom_toBottomOf="parent"
      app:layout_constraintEnd_toEndOf="@+id/guide_end"
      app:layout_constraintTop_toTopOf="parent"
      app:srcCompat="@drawable/icon_header_series_wh"
      />

    <android.support.constraint.Guideline
      android:id="@+id/guide_end"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:orientation="vertical"
      app:layout_constraintGuide_end="7dp"/>

    <View
      android:id="@+id/view_underline"
      android:layout_width="match_parent"
      android:layout_height="1dp"
      android:background="@color/CE5E5E5"
      app:layout_constraintBottom_toBottomOf="parent"
      tools:visibility="gone"/>
  </android.support.constraint.ConstraintLayout>

</RelativeLayout>