<?xml version="1.0" encoding="utf-8"?>
<ScrollView 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:id="@+id/scrollView"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:background="#474545"
    tools:context=".MainActivity">

    <android.support.constraint.ConstraintLayout
        android:layout_width="match_parent"
        android:layout_height="5000dp">

        <Button
            android:id="@+id/btnGPS2"
            android:layout_width="0dp"
            android:layout_height="200dp"
            android:background="#34b074"
            android:onClick="GoToGPS"
            android:text="Current speed: \n84 km/h"
            android:textAppearance="@style/TextAppearance.AppCompat.Body1"
            android:textColor="#F8FFFFFF"
            android:textSize="24sp"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

        <TextView
            android:id="@+id/errorView"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="Voice recognition output"
            android:textAlignment="center"
            android:textAppearance="@style/TextAppearance.AppCompat.Body1"
            android:textColor="#F8FFFFFF"
            android:textSize="18sp"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/texture" />

        <TextureView
            android:id="@+id/texture"
            android:layout_width="0dp"
            android:layout_height="200dp"
            android:layout_gravity="bottom"
            app:layout_constraintEnd_toStartOf="@+id/btn_show_stats"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/btnGPS" />


        <Button
            android:id="@+id/btn_speak"
            android:layout_width="0dp"
            android:layout_height="200dp"
            android:background="#dd9142"
            android:onClick="buttonClick"
            android:text="Statistics"
            android:textAppearance="@style/TextAppearance.AppCompat.Body1"
            android:textColor="#F8FFFFFF"
            android:textSize="24sp"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toEndOf="@+id/btnGPS"
            app:layout_constraintTop_toBottomOf="@+id/textView2" />


        <Button
            android:id="@+id/btnGPS"
            android:layout_width="0dp"
            android:layout_height="200dp"
            android:background="#428edd"
            android:onClick="GoToGPS"
            android:text="Speed limit: \n80 km/h"
            android:textAppearance="@style/TextAppearance.AppCompat.Body1"
            android:textColor="#F8FFFFFF"
            android:textSize="24sp"
            app:layout_constraintEnd_toStartOf="@+id/btn_speak"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/textView2" />

        <Button
            android:id="@+id/btn_show_stats"
            android:layout_width="0dp"
            android:layout_height="200dp"
            android:background="#b03470"
            android:onClick="GoToStats"
            android:text="Voice off"
            android:textAppearance="@style/TextAppearance.AppCompat.Body1"
            android:textColor="#F8FFFFFF"
            android:textSize="24sp"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toEndOf="@+id/texture"
            app:layout_constraintTop_toBottomOf="@+id/btn_speak" />

        <TextView
            android:id="@+id/textView2"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:text="Street: E6"
            android:textAlignment="center"
            android:textAppearance="@style/TextAppearance.AppCompat.Body1"
            android:textColor="#F8FFFFFF"
            android:textSize="18sp"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/btnGPS2" />

    </android.support.constraint.ConstraintLayout>
</ScrollView>