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

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
  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="wrap_content"
  >

  <android.support.constraint.ConstraintLayout
    android:id="@+id/item_view"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="@drawable/rectangle_border_ce5e5e5"
    >

    <ImageView
      android:id="@+id/image_view_thumbnail"
      android:layout_width="0dp"
      android:layout_height="0dp"
      android:background="@color/CF6F6F6"
      android:scaleType="centerCrop"
      app:layout_constraintBottom_toTopOf="@+id/bottom_view"
      app:layout_constraintDimensionRatio="V, 311:311"
      app:layout_constraintEnd_toEndOf="parent"
      app:layout_constraintStart_toStartOf="parent"
      app:layout_constraintTop_toTopOf="parent"
      tools:src="@drawable/img_my_reservation"
      />

    <android.support.constraint.ConstraintLayout
      android:id="@+id/layout_flag"
      android:layout_width="38dp"
      android:layout_height="38dp"
      android:layout_marginStart="14dp"
      android:background="@color/CFF0053"
      app:layout_constraintStart_toStartOf="parent">

      <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/event_flag"
        android:textColor="@color/CFFFFFF"
        android:textSize="9sp"
        android:textStyle="bold"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        />

    </android.support.constraint.ConstraintLayout>

    <android.support.constraint.ConstraintLayout
      android:id="@+id/bottom_view"
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      app:layout_constraintEnd_toEndOf="parent"
      app:layout_constraintStart_toStartOf="parent"
      app:layout_constraintTop_toBottomOf="@+id/image_view_thumbnail">

      <TextView
        android:id="@+id/text_view_event_date"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="10dp"
        android:layout_marginTop="35dp"
        android:layout_marginEnd="10dp"
        android:layout_marginBottom="4dp"
        android:includeFontPadding="false"
        android:lineSpacingExtra="4sp"
        android:textAlignment="center"
        android:textColor="@color/C666666"
        android:textSize="11sp"
        app:layout_constrainedWidth="true"
        app:layout_constraintBottom_toTopOf="@+id/text_view_event_title"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_chainStyle="packed"
        tools:text="2018.07.15 ~ 2018.07.22"/>

      <TextView
        android:id="@+id/text_view_event_title"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="10dp"
        android:layout_marginTop="5dp"
        android:layout_marginEnd="10dp"
        android:layout_marginBottom="5dp"
        android:ellipsize="end"
        android:gravity="center_horizontal"
        android:includeFontPadding="false"
        android:lineSpacingExtra="8sp"
        android:maxLines="2"
        android:textAlignment="center"
        android:textColor="@color/C000000"
        android:textSize="19sp"
        android:textStyle="bold"
        app:layout_constrainedWidth="true"
        app:layout_constraintBottom_toTopOf="@+id/text_view_event_present"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/text_view_event_date"
        tools:text="나의 소중한 휴가를 부탁해!"/>

      <TextView
        android:id="@+id/text_view_event_present"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="10dp"
        android:layout_marginTop="6dp"
        android:layout_marginEnd="10dp"
        android:layout_marginBottom="41dp"
        android:ellipsize="end"
        android:includeFontPadding="false"
        android:lineSpacingExtra="4sp"
        android:maxLines="1"
        android:textAlignment="center"
        android:textColor="@color/C666666"
        android:textSize="12sp"
        app:layout_constrainedWidth="true"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/text_view_event_title"
        tools:text="샤갈展 초대권 1인 2매 증정DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD"/>
    </android.support.constraint.ConstraintLayout>
  </android.support.constraint.ConstraintLayout>

  <Space
    android:layout_width="match_parent"
    android:layout_height="0dp"
    app:layout_constraintBottom_toBottomOf="parent"
    app:layout_constraintDimensionRatio="V, 311:88"
    app:layout_constraintEnd_toEndOf="parent"
    app:layout_constraintStart_toStartOf="parent"
    app:layout_constraintTop_toBottomOf="@+id/item_view"
    tools:background="@color/C000000"
    />

</android.support.constraint.ConstraintLayout>