activity_main_question.xml

<?xml version="1.0" encoding="utf-8"?>
<!--  <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:id="@+id/">-->
    
<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="@color/black"
    android:clickable="true"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="com.example.sleep_buster.MainQuestionActivity" >

    <TextView
        android:id="@+id/question1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:text="Random Question Generator here"
        android:textAppearance="?android:attr/textAppearanceLarge"
        android:textColor="@color/blue"
        android:textSize="40sp"
        android:layout_gravity="center_horizontal" />

    <Button 
        android:id="@+id/wrong"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:layout_centerHorizontal="true"
        android:layout_marginBottom="84dp"
        android:background="@color/blue"
        android:padding="@dimen/abc_text_size_menu_material"
        android:text="False"
        android:textSize="40sp"
        android:layout_gravity="center_horizontal" />
<!--  </LinearLayout>-->

    <Button
        android:id="@+id/correct"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@+id/question1"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="17dp"
        android:background="@color/blue"
        android:maxWidth="300dp"
        android:minWidth="88dip"
        android:outlineProvider="none"
        android:padding="@dimen/abc_text_size_menu_material"
        android:text="True"
        android:textColor="@color/black"
        android:textSize="40sp" />

</RelativeLayout>