core/res/res/layout/twelve_key_entry.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
/*
** Copyright 2008, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
**     http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
-->

<!-- This is not a standalone element it can be included into apps that need 12-key input -->
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical">

    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="64dip"
        android:layout_marginStart="2dip"
        android:layout_marginEnd="2dip"
        android:orientation="horizontal">

        <Button android:id="@+id/one"
            android:layout_width="0sp"
            android:layout_height="fill_parent"
            android:layout_weight="1"
            android:layout_marginStart="2dip"
            android:layout_marginEnd="2dip"
            android:textAppearance="?android:attr/textAppearanceLarge"
            android:textStyle="bold"
        />

        <Button android:id="@+id/two"
            android:layout_width="0sp"
            android:layout_height="fill_parent"
            android:layout_weight="1"
            android:layout_marginStart="2dip"
            android:layout_marginEnd="2dip"
            android:textAppearance="?android:attr/textAppearanceLarge"
            android:textStyle="bold"
        />

        <Button android:id="@+id/three"
            android:layout_width="0sp"
            android:layout_height="fill_parent"
            android:layout_weight="1"
            android:layout_marginStart="2dip"
            android:layout_marginEnd="2dip"
            android:textAppearance="?android:attr/textAppearanceLarge"
            android:textStyle="bold"
        />

    </LinearLayout>

    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="64dip"
        android:layout_marginStart="2dip"
        android:layout_marginEnd="2dip"
        android:orientation="horizontal">

        <Button android:id="@+id/four"
            android:layout_width="0sp"
            android:layout_height="fill_parent"
            android:layout_weight="1"
            android:layout_marginStart="2dip"
            android:layout_marginEnd="2dip"
            android:textAppearance="?android:attr/textAppearanceLarge"
            android:textStyle="bold"
        />

        <Button android:id="@+id/five"
            android:layout_width="0sp"
            android:layout_height="fill_parent"
            android:layout_weight="1"
            android:layout_marginStart="2dip"
            android:layout_marginEnd="2dip"
            android:textAppearance="?android:attr/textAppearanceLarge"
            android:textStyle="bold"
        />

        <Button android:id="@+id/six"
            android:layout_width="0sp"
            android:layout_height="fill_parent"
            android:layout_weight="1"
            android:layout_marginStart="2dip"
            android:layout_marginEnd="2dip"
            android:textAppearance="?android:attr/textAppearanceLarge"
            android:textStyle="bold"
        />
    </LinearLayout>

    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="64dip"
        android:layout_marginStart="2dip"
        android:layout_marginEnd="2dip"
        android:orientation="horizontal">

        <Button android:id="@+id/seven"
            android:layout_width="0sp"
            android:layout_height="fill_parent"
            android:layout_weight="1"
            android:layout_marginStart="2dip"
            android:layout_marginEnd="2dip"
            android:textAppearance="?android:attr/textAppearanceLarge"
            android:textStyle="bold"
        />

        <Button android:id="@+id/eight"
            android:layout_width="0sp"
            android:layout_height="fill_parent"
            android:layout_weight="1"
            android:layout_marginStart="2dip"
            android:layout_marginEnd="2dip"
            android:textAppearance="?android:attr/textAppearanceLarge"
            android:textStyle="bold"
        />

        <Button android:id="@+id/nine"
            android:layout_width="0sp"
            android:layout_height="fill_parent"
            android:layout_weight="1"
            android:layout_marginStart="2dip"
            android:layout_marginEnd="2dip"
            android:textAppearance="?android:attr/textAppearanceLarge"
            android:textStyle="bold"
        />

    </LinearLayout>

    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="64dip"
        android:layout_marginStart="2dip"
        android:layout_marginEnd="2dip"
        android:orientation="horizontal">

        <Button android:id="@+id/cancel"
            android:layout_width="0sp"
            android:layout_height="fill_parent"
            android:layout_weight="1"
            android:layout_marginStart="2dip"
            android:layout_marginEnd="2dip"
            android:textAppearance="?android:attr/textAppearanceMedium"
            android:textStyle="bold"
            android:text="@android:string/cancel"
        />

        <Button android:id="@+id/zero"
            android:layout_width="0sp"
            android:layout_height="fill_parent"
            android:layout_weight="1"
            android:layout_marginStart="2dip"
            android:layout_marginEnd="2dip"
            android:textAppearance="?android:attr/textAppearanceLarge"
            android:textStyle="bold"
        />

        <Button android:id="@+id/ok"
            android:layout_width="0sp"
            android:layout_height="fill_parent"
            android:layout_weight="1"
            android:layout_marginStart="2dip"
            android:layout_marginEnd="2dip"
            android:textAppearance="?android:attr/textAppearanceMedium"
            android:textStyle="bold"
            android:text="@android:string/ok"
        />

    </LinearLayout>

</LinearLayout>