URI is not registered

[myus...@gmail.com]

agan agan sekalian
ane baru belajar android studio nih
dapet error kyk gini "URI is not registered"
dongengnya kyk gini

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android1="http://schemas.android.com/apk/res/android"
    xmlns:android1="http://schemas.android.com/tools"
    xmlns:android1="http://schemas.android.com/apk/res/android"
    android1:layout_width="match_parent"
    android1:layout_height="match_parent"
    android1:orientation="horizontal">
    <EditText android1:id="@+id/edit_message"
        android1:layout_height="wrap_content"
        android1:layout_width="0dp"
        android1:layout_weight="1"
        android1:hint="@string/edit_message"/>
    <Button
        android1:layout_width="wrap_content"
        android1:layout_height="wrap_content"
        android1:text="@string/button_send"/>
</LinearLayout>

sudah liat stackoverflow tapi bingung, mohon pencerahannya :)

[Rona Dini Hari]

"android1"? baru liat ada tag "android1". udah coba ganti "android1" jadi "android"?