dependencies {  ….  compile 'com.android.support:cardview-v7:22.2.0'}

 <android.support.v7.widget.CardView        android:layout_width="match_parent"        android:layout_height="wrap_content"        app:cardCornerRadius="10dp"        app:cardElevation="10dp"        android:layout_marginBottom="@dimen/card_margin"        android:layout_marginLeft="@dimen/card_margin"        android:layout_marginRight="@dimen/card_margin">        <LinearLayout          style="@style/CardView.Content"          android:layout_width="match_parent"          android:layout_height="wrap_content"          android:orientation="horizontal">          <ImageView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:src="@drawable/book1" />          <LinearLayout            android:layout_width="match_parent"            android:layout_height="wrap_content"            android:layout_marginLeft="10dp"            android:orientation="vertical">            <TextView              android:layout_width="match_parent"              android:layout_height="wrap_content"              android:text="@string/book_title_1"              android:textAppearance="@style/TextAppearance.AppCompat.Title"              android:textColor="@color/primary_text" />            <TextView              android:layout_width="match_parent"              android:layout_height="wrap_content"              android:layout_marginTop="2dp"              android:text="@string/book_description_1"              android:textColor="@color/secondary_text" />          </LinearLayout>        </LinearLayout></android.support.v7.widget.CardView>