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Home/ Questions/Q 3847594
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Editorial Team
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Editorial Team
Asked: May 19, 20262026-05-19T16:34:33+00:00 2026-05-19T16:34:33+00:00

I was trying to do an adapter on a ListView as an exercise but

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I was trying to do an adapter on a ListView as an exercise but I get a strange error on the row layout:

error: Error parsing XML: unbound prefix

What is wrong with this very simple Layout??!?

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

    <TextView
        android:id="@+id/station"
        android:text="Stazione DI"
        android:layout_alignParentTop="true"
        android:padding="3dip"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content" /> 

    <TextView 
        androdi:id="@+id/time"
        android:text="Time:"
        android:layout_alignParentLeft="true" 
        android:below="@id/station"/>


    <TextView 
        androdi:id="+id/late"
        android:text="Time:"
        android:layout_toRightOf="@id/time"
        android:below="@id/station"/>




    <TextView 
        androdi:id="+id/rail"
        android:text="Rail:"
        android:below="@id/station"
        android:layout_toRightOf="@id/late"/>







  </RelativeLayout>
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1 Answer

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  1. Editorial Team
    Editorial Team
    2026-05-19T16:34:33+00:00Added an answer on May 19, 2026 at 4:34 pm

    Prefixes are those strings you type before the :, like android:.... And you typed it wrong once (androdi:...)

    (edit: actually 3 times)

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