<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
    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"
    android:layout_gravity="center"
    tools:context=".SimpleNotes">

    <TextView
        android:layout_width="match_parent"
        android:layout_height="0dp"
        app:layout_constraintTop_toTopOf="parent"
        android:id="@+id/titleTV"
        android:text="Simple Notes"
        android:textAlignment="center"
        />
    <EditText
        android:layout_width="match_parent"
        android:layout_height="0dp"
        app:layout_constraintTop_toBottomOf="@id/titleTV"
        app:layout_constraintBottom_toTopOf="@id/exitBtn"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        android:id="@+id/noteET"
        />
        <Button
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:text="Exit"
            android:maxWidth="0dp"
            app:layout_constraintHorizontal_chainStyle="spread"
            app:layout_constraintLeft_toLeftOf="parent"
            app:layout_constraintRight_toLeftOf="@+id/saveBtn"
            android:id="@+id/exitBtn"
            app:layout_constraintTop_toBottomOf="@id/noteET"
            app:layout_constraintBottom_toBottomOf="parent"
            android:onClick="sendExit"/>
        <Button
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:text="Save"
            app:layout_constraintLeft_toRightOf="@id/exitBtn"
            app:layout_constraintRight_toRightOf="parent"
            app:layout_constraintTop_toBottomOf="@id/noteET"
            android:id="@id/saveBtn"
            android:onClick="sendSave"
            app:layout_constraintBottom_toBottomOf="parent"/>




</android.support.constraint.ConstraintLayout>