activity_advisor.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"

    tools:context="com.peruse.saran.amritaod.actionareas.advisorActivity"
    android:background="@drawable/rep">


    <TextView
        android:id="@+id/textView8"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="118dp"
        android:text="Advisor Menu"

        android:textColor="@color/colorPrimaryDark"

        android:textAppearance="@style/TextAppearance.AppCompat.Display2" />

    <Button
        android:id="@+id/button2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@+id/textView8"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="122dp"
        android:onClick="odapprove"

        android:text="Approve Leave"
        android:textColor="@color/cardcolour"
        android:background="@drawable/mybutton"/>

</RelativeLayout>