small_sheep_android/app/src/main/res/layout/activity_search.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#ffffff"
    tools:context=".ui.activity.SearchActivity">

    <LinearLayout
        android:id="@+id/search_bar"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:gravity="center"
        android:orientation="horizontal"
        android:padding="5dp">

        <ImageView
            android:id="@+id/search_but_back"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:contentDescription="@string/image_des"
            android:padding="10dp"
            android:src="@drawable/narrow_back_black" />

        <EditText
            android:id="@+id/search_input_txt"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_marginLeft="8dp"
            android:layout_marginRight="8dp"
            android:layout_weight="1"
            android:background="@drawable/shape_input_background_radius"
            android:hint="@string/search_hint_txt"
            android:inputType="text"
            android:paddingLeft="5dp"
            android:paddingRight="5dp"
            android:textColor="#666666"
            android:textColorHint="#aaaaaa"
            android:textSize="14sp" />

        <TextView
            android:id="@+id/search_but_search"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:gravity="center"
            android:paddingLeft="8dp"
            android:paddingRight="8dp"
            android:text="@string/search_but_text" />
    </LinearLayout>

    <android.support.v7.widget.RecyclerView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_below="@+id/search_bar"
        android:layout_alignParentStart="true" />

</RelativeLayout>