Android — How to allow horizontal and vertical scrolling

Try this

<?xml version="1.0" encoding="utf-8"?>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
                  android:layout_width="fill_parent"
                  android:layout_height="wrap_content">

    <HorizontalScrollView xmlns:android="http://schemas.android.com/apk/res/android"
                  android:layout_width="wrap_content"
                  android:layout_height="fill_parent">

         <TableLayout
                  android:id="@+id/amortization"
                  android:layout_width="wrap_content"
                  android:layout_height="wrap_content">

              <TableRow
                  android:background="#ffff00">
                  <TextView
                       android:text="@string/amortization_1"
                       android:padding="3dip"/>
                  <TextView
                       android:text="@string/amortization_2"
                       android:padding="3dip"/>
                  <TextView
                       android:text="@string/amortization_3"
                       android:padding="3dip"/>
                  <TextView
                       android:text="@string/amortization_4"
                       android:padding="3dip"/>
                  <TextView
                       android:text="@string/amortization_5"
                       android:padding="3dip"/>
                  <TextView
                       android:text="@string/amortization_6"
                       android:padding="3dip"/>
                  <TextView
                       android:text="@string/amortization_7"
                       android:padding="3dip"/> 
              </TableRow>
         </TableLayout>
    </HorizontalScrollView>
</ScrollView>