res/layout/install_confirm_perm.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2015 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.
-->

<!--
  Defines the layout of the splash screen that displays the security
  settings required for an application and requests the confirmation of the
  user before it is installed.
-->

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <!-- title bar -->
    <LinearLayout android:id="@+id/app_snippet"
        android:background="?android:attr/colorPrimary"
        android:layout_width="match_parent"
        android:layout_height="?android:attr/actionBarSize"
        android:orientation="horizontal"
        android:elevation="@dimen/headerElevation"
        android:gravity="center_vertical">

        <ImageView android:id="@+id/app_icon"
            android:layout_marginStart="16dp"
            android:layout_width="24dp"
            android:layout_height="24dp"
            android:scaleType="fitCenter" />

        <TextView android:id="@+id/app_name"
            android:layout_marginStart="32dp"
            android:layout_marginEnd="16dp"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAppearance="?android:attr/titleTextStyle"
            android:singleLine="true"
            android:ellipsize="end" />

    </LinearLayout>

    <TextView android:id="@+id/install_confirm_question"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="?android:attr/colorPrimary"
        android:textAppearance="?android:attr/textAppearanceMedium"
        android:text="@string/install_confirm_question"
        android:elevation="@dimen/headerElevation"
        android:paddingStart="16dp"
        android:paddingEnd="16dp"
        android:paddingBottom="16dp"/>

    <!-- content -->
    <TabHost android:id="@android:id/tabhost"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_weight="1">

        <LinearLayout android:orientation="vertical"
            android:layout_width="match_parent"
            android:layout_height="match_parent">

            <TabWidget android:id="@android:id/tabs"
                android:visibility="gone"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content" />

            <FrameLayout android:id="@android:id/tabcontent"
                android:layout_width="0dp"
                android:layout_height="0dp"
                android:layout_weight="0" />

            <androidx.viewpager.widget.ViewPager android:id="@+id/pager"
                android:background="?android:attr/windowBackground"
                android:layout_width="match_parent"
                android:layout_height="0dp"
                android:layout_weight="1" />

        </LinearLayout>

    </TabHost>

    <!-- Bottom buttons -->
    <LinearLayout style="?android:attr/buttonBarStyle"
        android:background="?android:attr/colorBackground"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        android:padding="8dp"
        android:measureWithLargestChild="true">

        <!-- spacer to push buttons to the right -->
        <View android:layout_width="0dp"
            android:layout_height="0dp"
            android:layout_weight="1" />

        <Button android:id="@+id/cancel_button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/cancel"
            android:maxLines="2"
            style="?android:attr/buttonBarButtonStyle" />

        <Button android:id="@+id/ok_button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/next"
            android:maxLines="2"
            style="?android:attr/buttonBarButtonStyle" />

    </LinearLayout>

</LinearLayout>