android-lint/testData/lint/duplicatedIds.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:layout_width="fill_parent"
              android:layout_height="fill_parent"
    >
  <TextView
      android:layout_width="fill_parent"
      android:layout_height="wrap_content"
      <error descr="Duplicate id `@+id/id123` originally defined here">android:id="@+id/id123"</error>
      />
  <TextView
      android:layout_width="fill_parent"
      android:layout_height="wrap_content"
      <error descr="Duplicate id `@+id/id123`, already defined earlier in this layout">android:id="@+id/id123"</error>
      />
</LinearLayout>