The screenshot I want is as follows:

But currently it looks like this on the phone:

How can I make it?
<LinearLayout
android:background="@drawable/bkstr_home"
android:layout_height="300dp"
android:layout_width="match_parent"
android:orientation="vertical">
<RelativeLayout
android:layout_height="70dp"
android:layout_width="match_parent"
android:orientation="horizontal">
<Button
android:background="@drawable/bkst_search"
android:hint="Ara.."
android:id="@+id/btn_search"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_marginTop="15dp"
android:layout_width="330dp"
android:textAlignment="center"
android:textColor="#ffffff"
android:textColorHint="#ffffff"
android:textSize="16sp" />
<Button
android:background="@drawable/message_icon"
android:id="@+id/btn_searchx"
android:layout_height="50dp"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
android:layout_marginTop="15dp"
android:layout_toEndOf="@+id/btn_search"
android:layout_width="50dp"
android:textAlignment="center"
android:textColor="#ffffff"
android:textColorHint="#ffffff"
android:textSize="16sp" />
</RelativeLayout>
</LinearLayout>
