activity_speech_synthesis.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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:orientation="vertical"
    android:background="@android:color/holo_orange_dark"
    android:padding="50dp"
    tools:context="com.godoro.androoidspeech.SpeechSynthesisActivity">

    <TextView
        android:id="@+id/textView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="@string/speechSynthesis"
        android:textAlignment="center"
        android:padding="50dp"
        android:textSize="24sp"
        android:textStyle="bold"/>

    <EditText
        android:id="@+id/textEdit"
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:background="@android:color/background_light"
        android:ems="10"
        android:hint="@string/enterText"
        android:inputType="text" />

    <Button
        android:id="@+id/speakButton"
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:text="@string/speak" />
</LinearLayout>