packages/CarSystemUI/res-keyguard/layout/keyguard_pattern_view.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
**
** Copyright 2018, 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.
*/
-->

<!-- Car customizations
     - Added title "Enter your Pattern" at the top
     - Hid the emergency call at the bottom
-->

<com.android.keyguard.KeyguardPatternView
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:androidprv="http://schemas.android.com/apk/res-auto"
    android:id="@+id/keyguard_pattern_view"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    androidprv:layout_maxWidth="@dimen/keyguard_security_width"
    android:gravity="center_horizontal">

    <FrameLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <LinearLayout
            android:id="@+id/container"
            android:layout_height="wrap_content"
            android:layout_width="wrap_content"
            android:orientation="vertical"
            android:layout_gravity="center">

            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_margin="@*android:dimen/car_padding_2"
                android:gravity="center"
                android:textColor="@android:color/white"
                android:textSize="@*android:dimen/car_body1_size"
                android:text="@string/keyguard_enter_your_pattern" />

            <include layout="@layout/keyguard_message_area" />

            <com.android.internal.widget.LockPatternView
                android:id="@+id/lockPatternView"
                android:layout_width="@dimen/keyguard_pattern_dimension"
                android:layout_height="@dimen/keyguard_pattern_dimension"
                android:layout_marginVertical="@dimen/pin_pattern_pad_margin_vertical"
                android:layout_gravity="center_horizontal"
                android:gravity="center" />

            <Button
                android:id="@+id/cancel_button"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                style="@style/KeyguardButton"
                android:text="@string/cancel"/>

          <include layout="@layout/keyguard_eca"
              android:id="@+id/keyguard_selector_fade_container"
              android:layout_width="match_parent"
              android:layout_height="wrap_content"
              android:orientation="vertical"
              android:layout_gravity="bottom|center_horizontal"
              android:gravity="center_horizontal"
              android:visibility="gone" />
        </LinearLayout>
    </FrameLayout>

</com.android.keyguard.KeyguardPatternView>