samples/StartingWindow/AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  ~ Copyright (C) 2020 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.
  -->

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
          package="com.example.android.startingwindow">

    <application android:label="@string/app_name"
        android:icon="@drawable/ic_launcher">
        <activity
            android:name=".CustomizeExitActivity"
            android:label="Starting Window"
            android:theme="@style/AppTheme"
            android:exported="true">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER"/>
            </intent-filter>
        </activity>
        <activity
            android:name=".SecondActivity"
            android:label="Second Activity"
            android:exported="true">
        </activity>
    </application>
</manifest>