CardView Relative Layout

styles.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  ~ Copyright (C) 2015 The Android Open Source Project
  ~
  ~ Licensed under the Apache License, Version 2.0 (the "License");
  ~ you may not use this file except in compliance with the License.
  ~ You may obtain a copy of the License at
  ~
  ~      http://www.apache.org/licenses/LICENSE-2.0
  ~
  ~ Unless required by applicable law or agreed to in writing, software
  ~ distributed under the License is distributed on an "AS IS" BASIS,
  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  ~ See the License for the specific language governing permissions and
  ~ limitations under the License.
  -->
<android.support.v7.widget.CardView 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:id="@+id/card_view"
    android:layout_width="match_parent"
    android:layout_height="@dimen/card_height"
    android:layout_gravity="center"
    android:layout_marginBottom="@dimen/md_keylines"
    android:layout_marginLeft="@dimen/md_keylines"
    android:layout_marginRight="@dimen/md_keylines"
    android:foreground="?attr/selectableItemBackground">

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content">

        <ImageView
            android:id="@+id/card_image"
            android:layout_width="match_parent"
            android:layout_height="@dimen/card_image_height"
            android:scaleType="centerCrop"
            tools:src="@drawable/a" />

        <TextView
            android:id="@+id/card_title"
            android:layout_width="match_parent"
            android:layout_height="@dimen/card_title_height"
            android:layout_alignBottom="@+id/card_image"
            android:layout_marginLeft="@dimen/md_keylines"
            tools:text="@string/item_title"
            android:textAppearance="@style/TextAppearance.AppCompat.Title"
            android:textColor="@color/white" />

        <TextView
            android:id="@+id/card_text"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_below="@+id/card_image"
            android:layout_marginLeft="@dimen/md_keylines"
            android:layout_marginTop="@dimen/md_keylines"
            android:layout_marginBottom="@dimen/md_keylines"
            android:layout_marginRight="@dimen/md_keylines"
            tools:text="@string/item_desc"
            android:ellipsize="end"
            android:singleLine="true"
            android:textColor="@color/dark_grey"
            android:textSize="@dimen/article_subheading" />

        <Button
            android:id="@+id/action_button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_below="@+id/card_text"
            style="?android:attr/borderlessButtonStyle"
            android:textColor="?attr/colorPrimary"
            android:text="Action" />

        <ImageButton
            android:id="@+id/share_button"
            android:layout_width="@dimen/cards_button_width"
            android:layout_height="@dimen/cards_button_height"
            android:layout_marginRight="@dimen/md_keylines"
            app:srcCompat="@drawable/ic_share"
            android:layout_below="@+id/card_text"
            android:layout_alignParentRight="true"
            style="?android:attr/borderlessButtonStyle"
            android:tint="@color/button_grey" />

        <ImageButton
            android:id="@+id/favorite_button"
            android:layout_width="@dimen/cards_button_width"
            android:layout_height="@dimen/cards_button_height"
            android:layout_marginRight="@dimen/md_keylines"
            app:srcCompat="@drawable/ic_favorite"
            android:layout_below="@+id/card_text"
            android:layout_toLeftOf="@id/share_button"
            style="?android:attr/borderlessButtonStyle"
            android:tint="@color/button_grey" />
    </RelativeLayout>
</android.support.v7.widget.CardView>