res/layout/confirm_lock_pin.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.
*/
-->

<!-- TODO: think about moving to frameworks/base/res -->

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical"
    android:background="@android:color/background_dark"
    android:gravity="center_horizontal">

    <LinearLayout android:id="@+id/topDisplayGroup"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical">

        <!-- header text ('Enter Pin') -->
        <TextView android:id="@+id/headerText"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:gravity="center"
            android:lines="2"
            android:textAppearance="?android:attr/textAppearanceLarge"/>

        <!-- password entry -->
        <LinearLayout
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            android:layout_marginRight="6dip"
            android:layout_marginLeft="6dip"
            android:gravity="center_vertical"
            android:background="@android:drawable/edit_text">

            <!-- displays dots as user enters pin -->
            <TextView android:id="@+id/pinDisplay"
                android:layout_width="0dip"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:maxLines="1"
                android:textAppearance="?android:attr/textAppearanceLargeInverse"
                android:textStyle="bold"
                android:inputType="textPassword"
            />

            <ImageButton android:id="@+id/backspace"
                android:src="@android:drawable/ic_input_delete"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginRight="-3dip"
                android:layout_marginBottom="-3dip"
            />
        </LinearLayout>

    </LinearLayout>

    <include
        android:id="@+id/keyPad"
        layout="@layout/twelve_key_entry"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_below="@id/topDisplayGroup"
        android:layout_marginTop="10dip"
    />

</LinearLayout>