packages/SystemUI/res/layout/auth_credential_password_view.xml

<!--
  ~ Copyright (C) 2019 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.
  -->

<com.android.systemui.biometrics.AuthCredentialPasswordView
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:gravity="center_horizontal"
    android:elevation="@dimen/biometric_dialog_elevation">

    <Space
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:layout_weight="1"/>

    <ImageView
        android:id="@+id/icon"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"/>

    <TextView
        android:id="@+id/title"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        style="@style/TextAppearance.AuthCredential.Title"/>

    <TextView
        android:id="@+id/subtitle"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginHorizontal="24dp"
        android:layout_marginTop="8dp"
        android:textSize="16sp"
        android:gravity="center"
        android:textColor="?android:attr/textColorPrimary"/>

    <TextView
        android:id="@+id/description"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        style="@style/TextAppearance.AuthCredential.Description"/>

    <Space
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:layout_weight="1"/>

    <TextView
        android:id="@+id/error"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginHorizontal="24dp"
        android:textSize="16sp"
        android:gravity="center"
        android:textColor="?android:attr/colorError"/>

    <EditText
        android:id="@+id/lockPassword"
        android:layout_width="208dp"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal"
        android:gravity="center"
        android:inputType="textPassword"
        android:maxLength="500"
        android:imeOptions="actionNext|flagNoFullscreen|flagForceAscii"
        style="@style/TextAppearance.AuthCredential.PasswordEntry"/>

    <Space
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:layout_weight="5"/>

</com.android.systemui.biometrics.AuthCredentialPasswordView>