activity_view_rider_location.xml

<RelativeLayout 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="match_parent"
    app:layout_behavior="@string/appbar_scrolling_view_behavior"
    tools:context="com.akashbhave.locomoto.YourLocation"
    android:id="@+id/relativeLayout">

    <fragment xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:tools="http://schemas.android.com/tools"
        android:id="@+id/map"
        android:name="com.google.android.gms.maps.SupportMapFragment"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        tools:context="com.akashbhave.locomoto.YourLocation" />

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Accept Request"
        android:id="@+id/acceptReqButton"
        android:onClick="acceptRequest"
        android:paddingLeft="20dp"
        android:paddingRight="20dp"
        android:layout_alignParentBottom="true"
        android:layout_centerHorizontal="true"
        android:layout_marginBottom="10dp"
        android:textSize="17sp"
        android:textColor="#ffffff"
        android:paddingTop="5dp"
        android:paddingBottom="5dp"
        android:background="@drawable/acceptrequest_button" />

    <ImageButton
        android:layout_width="60dp"
        android:layout_height="60dp"
        android:id="@+id/imageButton"
        android:layout_alignParentTop="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:src="@drawable/back"
        android:scaleType="fitCenter"
        android:background="@android:color/transparent"
        android:onClick="goBack" />

</RelativeLayout>