custom_text_view.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:orientation="vertical"
  android:layout_width="fill_parent"
  android:layout_height="fill_parent" >
      <com.myapp.widget.MyEditText
      android:id="@+id/custom_font"
      android:layout_width="fill_parent"
      android:layout_height="wrap_content"
      android:text="This is our custom font" />
</LinearLayout>