AndroidManifest.xml

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    package="com.example.twa.myapplication">
​
    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme"
        tools:ignore="GoogleAppIndexingWarning">
        <activity
            android:name="com.google.androidbrowserhelper.trusted.LauncherActivity">
​
           <!-- Edit android:value to change the url opened by the Trusted Web Activity -->
           <meta-data android:name="android.support.customtabs.trusted.DEFAULT_URL"
               android:value="https://airhorner.com" />
​
           <!-- This intent-filter adds the Trusted Web Activity to the Android Launcher -->
           <intent-filter>
               <action android:name="android.intent.action.MAIN" />
               <category android:name="android.intent.category.LAUNCHER" />
           </intent-filter>
​
           <!--
             This intent-filter allows the Trusted Web Activity to handle Intents to open
             pwaexample.com.
           -->
           <intent-filter>
               <action android:name="android.intent.action.VIEW"/>
               <category android:name="android.intent.category.DEFAULT" />
               <category android:name="android.intent.category.BROWSABLE"/>
​
               <!-- Edit android:host to handle links to the target URL-->
               <data
                 android:scheme="https"
                 android:host="pwaexample.com"/>
           </intent-filter>
        </activity>
    </application>
</manifest>