SOで同様の回答を見てきましたが、うまくいきませんでした。次のレイアウトは最適ではない可能性があります (私は全くの初心者なので間違いを指摘してください)。
<?xml version="1.0" encoding="utf-8"?>
<GridLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent" android:rowCount="3" android:columnCount="1" android:padding="0dp"
android:background="#ebe0cf">
<LinearLayout
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="wrap_content" android:layout_row="0" android:layout_column="0"
android:background="#ebe0cf" android:layout_marginTop="5dp">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Book Name"
android:id="@+id/textView" android:layout_gravity="center_horizontal" android:textSize="30dp"
android:textStyle="bold"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Chapter Name"
android:id="@+id/textView1" android:textSize="13dp" android:layout_gravity="center_horizontal"
android:layout_marginTop="-3dp"/>
</LinearLayout>
<TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum. Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum. Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum."
android:id="@+id/textView4" android:padding="5dp" android:background="#ffffff"
android:layout_margin="10dp"
android:scrollbars="vertical"/>
<LinearLayout
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="wrap_content" android:layout_row="2" android:layout_column="0"
android:background="#ebe0cf">
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Prev"
android:id="@+id/button"/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Next"
android:id="@+id/button1"/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Language"
android:id="@+id/button2"/>
</LinearLayout>
</GridLayout>
何が起こっているかというと、TextView に十分な長さのテキストがあり、ボタンがページから押し出されると、ボタンを下部に固定し、TextView がスクロールを開始するようにしたいのです... ScollView 内に配置してみました。同じことが起こりました。
シンプルにしたいので、相対配置などはなるべく避けたいところです。