<?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:id="@+id/activity_teacher" android:layout_width="match_parent" android:layout_height="match_parent" tools:context="com.darshanbshah.odsystem.TeacherActivity"> <Button android:text="Logout" android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/button2" android:onClick="signOut" android:layout_alignParentTop="true" android:layout_alignParentEnd="true" /> <ScrollView android:layout_width="match_parent" android:layout_height="match_parent" android:layout_below="@+id/button2" android:layout_alignParentStart="true"> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="vertical"> <ListView android:layout_width="match_parent" android:layout_height="800dp" android:id="@+id/listView"> </ListView> </LinearLayout> </ScrollView> </RelativeLayout>