core/res/res/layout/keyguard_screen_lock.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 the general lock screen which shows information about the
  state of the device, as well as instructions on how to get past it
  depending on the state of the device.  It is the same for landscape
  and portrait.-->
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:gravity="bottom"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
        >

    <LinearLayout
        android:orientation="vertical"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:layout_marginBottom="15dip"
        android:layout_marginLeft="15dip"
        android:layout_marginRight="15dip"
        android:paddingTop="20dip"
        android:paddingBottom="20dip"
        android:background="@android:drawable/popup_full_dark"
        >

        <!-- when sim is present -->
        <TextView android:id="@+id/headerSimOk1"
                  android:layout_width="match_parent"
                  android:layout_height="wrap_content"
                  android:gravity="center"
                  android:textSize="34sp"/>
        <TextView android:id="@+id/headerSimOk2"
                  android:layout_width="match_parent"
                  android:layout_height="wrap_content"
                  android:gravity="center"
                  android:textSize="34sp"/>

        <!-- when sim is missing / locked -->
        <TextView android:id="@+id/headerSimBad1"
                  android:layout_width="match_parent"
                  android:layout_height="wrap_content"
                  android:gravity="center"
                  android:text="@android:string/lockscreen_missing_sim_message"
                  android:textAppearance="?android:attr/textAppearanceLarge"/>
        <TextView android:id="@+id/headerSimBad2"
                  android:layout_width="match_parent"
                  android:layout_height="wrap_content"
                  android:layout_marginTop="7dip"
                  android:layout_marginBottom="7dip"
                  android:gravity="center"
                  android:text="@android:string/lockscreen_missing_sim_instructions"
                  android:textAppearance="?android:attr/textAppearanceSmall"/>

        <!-- spacer after carrier info / sim messages -->
        <View
            android:layout_width="match_parent"
            android:layout_height="1dip"
            android:layout_marginTop="8dip"
            android:background="@android:drawable/divider_horizontal_dark"/>

        <!-- time and date -->
        <TextView android:id="@+id/time"
                  android:layout_width="match_parent"
                  android:layout_height="wrap_content"
                  android:gravity="center"
                  android:textSize="34sp"/>

        <TextView android:id="@+id/date"
                  android:layout_width="match_parent"
                  android:layout_height="wrap_content"
                  android:gravity="center"
                  android:textSize="18sp"/>

        <!-- spacer after time and date -->
        <View
            android:layout_width="match_parent"
            android:layout_height="1dip"
            android:layout_marginBottom="8dip"
            android:background="@android:drawable/divider_horizontal_dark"
                />

        <!-- battery info -->
        <LinearLayout android:id="@+id/batteryInfo"
                android:orientation="horizontal"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:gravity="center"
              >

            <ImageView android:id="@+id/batteryInfoIcon"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginRight="6dip"
                android:baselineAligned="true"
                android:gravity="center"
            />

            <TextView android:id="@+id/batteryInfoText"
                      android:layout_width="wrap_content"
                      android:layout_height="wrap_content"
                      android:textSize="18sp"
                      android:gravity="center"
            />

        </LinearLayout>

        <!-- spacer after battery info -->
        <View android:id="@+id/batteryInfoSpacer"
            android:layout_width="match_parent"
            android:layout_height="1dip"
            android:layout_marginTop="8dip"
            android:layout_marginBottom="8dip"
            android:background="@android:drawable/divider_horizontal_dark"
                />

        <!-- next alarm info -->

        <LinearLayout android:id="@+id/nextAlarmInfo"
                android:orientation="horizontal"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:gravity="center"
              >

            <ImageView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginRight="6dip"
                android:baselineAligned="true"
                android:src="@android:drawable/ic_lock_idle_alarm"
                android:gravity="center"
            />

            <TextView android:id="@+id/nextAlarmText"
                      android:layout_width="wrap_content"
                      android:layout_height="wrap_content"
                      android:textSize="18sp"
                      android:gravity="center"
            />
        </LinearLayout>

        <!-- spacer after alarm info -->
        <View android:id="@+id/nextAlarmSpacer"
            android:layout_width="match_parent"
            android:layout_height="1dip"
            android:layout_marginTop="8dip"
            android:layout_marginBottom="8dip"
            android:background="@android:drawable/divider_horizontal_dark"/>

        <!-- lock icon with 'screen locked' message
             (shown when SIM card is present) -->
        <LinearLayout android:id="@+id/screenLockedInfo"
            android:orientation="horizontal"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="center"
            >

            <ImageView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginRight="6dip"
                android:baselineAligned="true"
                android:src="@android:drawable/ic_lock_idle_lock"
                android:gravity="center"
            />

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textSize="18sp"
                android:text="@android:string/lockscreen_screen_locked"
                android:gravity="center"
                    />
        </LinearLayout>

        <!-- message about how to unlock
             (shown when SIM card is present) -->
        <TextView android:id="@+id/lockInstructions"
                  android:layout_width="match_parent"
                  android:layout_height="wrap_content"
                  android:layout_marginBottom="5dip"
                  android:gravity="center"
                  android:textSize="14sp"/>


        <!-- emergency call button shown when sim is missing or PUKd -->
        <Button
            android:id="@+id/emergencyCallButton"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginBottom="5dip"
            android:layout_marginTop="5dip"
            android:layout_gravity="center_horizontal"
            android:drawableLeft="@drawable/ic_emergency"
            android:drawablePadding="8dip"
            android:text="@android:string/lockscreen_emergency_call"
           />

    </LinearLayout>
</LinearLayout>