diff --git a/androidbrowserhelper/src/main/java/com/google/androidbrowserhelper/trusted/ContactDelegationExtraCommandHandler.java b/androidbrowserhelper/src/main/java/com/google/androidbrowserhelper/trusted/ContactDelegationExtraCommandHandler.java
new file mode 100644
index 00000000..4358d39a
--- /dev/null
+++ b/androidbrowserhelper/src/main/java/com/google/androidbrowserhelper/trusted/ContactDelegationExtraCommandHandler.java
@@ -0,0 +1,412 @@
+package com.google.androidbrowserhelper.trusted;
+
+import android.content.ComponentName;
+import android.content.ContentResolver;
+import android.content.ContentUris;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.pm.PackageManager.NameNotFoundException;
+import android.database.Cursor;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.RemoteException;
+import android.provider.ContactsContract;
+import android.util.Log;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.browser.trusted.TrustedWebActivityCallbackRemote;
+import androidx.core.content.FileProvider;
+import java.io.ByteArrayInputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+public class ContactDelegationExtraCommandHandler implements ExtraCommandHandler {
+
+    private static final String TAG = "stomoki ContactDeleg";
+    static final String COMMAND_CHECK_CONTACT_PERMISSION = "checkContactPermission";
+    public static final String COMMAND_FETCH_CONTACTS = "fetchContacts";
+    public static final String COMMAND_FETCH_CONTACT_ICON = "fetchContactIcon";
+
+    private static final String FOLDER_NAME = "contact_icons";
+
+    private static final String[] PROJECTION = {
+        ContactsContract.Contacts._ID,
+        ContactsContract.Contacts.LOOKUP_KEY,
+        ContactsContract.Contacts.DISPLAY_NAME_PRIMARY,
+    };
+
+    private static final ExecutorService sExecutorService = Executors.newCachedThreadPool();
+
+    private String mProviderPackage;
+    private String mFileProviderAuthority;
+
+    private File mDir;
+
+    private synchronized void init(Context context) {
+        if (mProviderPackage != null) {
+            return;
+        }
+
+        mDir = new File(context.getFilesDir(), FOLDER_NAME);
+
+        if (!mDir.exists()) {
+            boolean mkDirSuccessful = mDir.mkdir();
+            if (!mkDirSuccessful) {
+                Log.e(TAG, "Failed to create a directory for storing a splash image");
+            }
+        }
+
+        PackageManager packageManager = context.getPackageManager();
+
+        Log.d(TAG, "package = " + context.getPackageName());
+
+        TwaProviderPicker.Action action = TwaProviderPicker.pickProvider(packageManager);
+        mProviderPackage = action.provider;
+
+        Log.d(TAG, "provider = " + mProviderPackage);
+
+        ComponentName componentName = new ComponentName(context, LauncherActivity.class);
+
+        try {
+            mFileProviderAuthority =
+                packageManager
+                    .getActivityInfo(componentName, PackageManager.GET_META_DATA)
+                    .metaData
+                    .getString("android.support.customtabs.trusted.FILE_PROVIDER_AUTHORITY");
+        } catch (NameNotFoundException e) {
+            throw new RuntimeException(e);
+        }
+
+        Log.d(TAG, "authority = " + mFileProviderAuthority);
+    }
+
+    @NonNull
+    @Override
+    public Bundle handleExtraCommand(
+        Context context,
+        String commandName,
+        Bundle args,
+        @Nullable TrustedWebActivityCallbackRemote callback) {
+        init(context);
+
+        Bundle result = new Bundle();
+        result.putBoolean(EXTRA_COMMAND_SUCCESS, false);
+
+        Bundle callbackResult = new Bundle();
+
+        switch (commandName) {
+            case COMMAND_CHECK_CONTACT_PERMISSION:
+                Log.d(TAG, "COMMAND_CHECK_CONTACT_PERMISSION received");
+                ContactPermissionRequestActivity.requestContactPermisson(context, callback);
+                result.putBoolean(EXTRA_COMMAND_SUCCESS, true);
+                break;
+            case COMMAND_FETCH_CONTACTS:
+                Log.d(TAG, "COMMAND_FETCH_CONTACTS received");
+                boolean includeNames = args.getBoolean("includeNames");
+                boolean includeEmails = args.getBoolean("includeEmails");
+                boolean includeTel = args.getBoolean("includeTel");
+                boolean includeAddresses = args.getBoolean("includeAddresses");
+
+                sExecutorService.submit(
+                    () -> {
+                        callbackResult.putParcelableArrayList(
+                            "contacts",
+                            getAllContacts(
+                                context, includeNames, includeEmails, includeTel,
+                                includeAddresses));
+                        try {
+                            callback.runExtraCallback(COMMAND_FETCH_CONTACTS, callbackResult);
+                        } catch (RemoteException e) {
+                            e.printStackTrace();
+                        }
+                    });
+                result.putBoolean(EXTRA_COMMAND_SUCCESS, true);
+                break;
+            case COMMAND_FETCH_CONTACT_ICON:
+                Log.d(TAG, "COMMAND_FETCH_CONTACT_ICON received");
+
+                String id = args.getString("id");
+                int iconSize = args.getInt("size");
+
+                sExecutorService.submit(
+                    () -> {
+                        Bitmap icon = getIcon(context, id, iconSize);
+
+                        if (icon != null) {
+                            File file = new File(mDir, "contact_icon_" + id);
+
+                            Log.d(TAG, "file = " + file.getAbsolutePath());
+
+                            try (FileOutputStream os = new FileOutputStream(file)) {
+                                icon.compress(Bitmap.CompressFormat.PNG, 100, os);
+                                os.flush();
+                            } catch (IOException e) {
+                                throw new RuntimeException(e);
+                            }
+
+                            Log.d(TAG, "file written");
+
+                            synchronized (context) {
+                                Uri uri = FileProvider.getUriForFile(context,
+                                    mFileProviderAuthority, file);
+
+                                Log.d(TAG, "uri = " + uri);
+
+                                context.grantUriPermission(
+                                    mProviderPackage, uri, Intent.FLAG_GRANT_READ_URI_PERMISSION);
+
+                                callbackResult.putParcelable("icon", uri);
+                            }
+                        }
+                        try {
+                            callback.runExtraCallback(COMMAND_FETCH_CONTACT_ICON, callbackResult);
+                        } catch (RemoteException e) {
+                            e.printStackTrace();
+                        }
+                    });
+
+                result.putBoolean(EXTRA_COMMAND_SUCCESS, true);
+                break;
+            default:
+                Log.d(TAG, "unknown command " + commandName);
+                break;
+        }
+
+        return result;
+    }
+
+    private Map<String, ArrayList<String>> getDetails(
+        ContentResolver contentResolver,
+        Uri source,
+        String idColumn,
+        String dataColumn,
+        String sortOrder) {
+        Map<String, ArrayList<String>> map = new HashMap<>();
+
+        Cursor cursor = contentResolver.query(source, null, null, null, sortOrder);
+        ArrayList<String> list = new ArrayList<>();
+        String key = "";
+        String value;
+
+        assert cursor != null;
+
+        while (cursor.moveToNext()) {
+            String id = cursor.getString(cursor.getColumnIndexOrThrow(idColumn));
+            value = cursor.getString(cursor.getColumnIndexOrThrow(dataColumn));
+            if (value == null) {
+                value = "";
+            }
+            if (key.isEmpty()) {
+                key = id;
+                list.add(value);
+            } else {
+                if (key.equals(id)) {
+                    list.add(value);
+                } else {
+                    map.put(key, list);
+                    list = new ArrayList<>();
+                    list.add(value);
+                    key = id;
+                }
+            }
+        }
+        map.put(key, list);
+        cursor.close();
+
+        return map;
+    }
+
+    private Map<String, ArrayList<Bundle>> getAddressDetails(ContentResolver contentResolver) {
+        Map<String, ArrayList<Bundle>> map = new HashMap<>();
+
+        String addressSortOrder =
+            ContactsContract.CommonDataKinds.StructuredPostal.CONTACT_ID
+                + " ASC, "
+                + ContactsContract.CommonDataKinds.StructuredPostal.DATA
+                + " ASC";
+        Cursor cursor =
+            contentResolver.query(
+                ContactsContract.CommonDataKinds.StructuredPostal.CONTENT_URI,
+                null,
+                null,
+                null,
+                addressSortOrder);
+
+        assert cursor != null;
+
+        ArrayList<Bundle> list = new ArrayList<>();
+        String key = "";
+
+        while (cursor.moveToNext()) {
+            String id =
+                cursor.getString(
+                    cursor.getColumnIndexOrThrow(
+                        ContactsContract.CommonDataKinds.StructuredPostal.CONTACT_ID));
+            String city =
+                cursor.getString(
+                    cursor.getColumnIndexOrThrow(
+                        ContactsContract.CommonDataKinds.StructuredPostal.CITY));
+            String country =
+                cursor.getString(
+                    cursor.getColumnIndexOrThrow(
+                        ContactsContract.CommonDataKinds.StructuredPostal.COUNTRY));
+            String formattedAddress =
+                cursor.getString(
+                    cursor.getColumnIndexOrThrow(
+                        ContactsContract.CommonDataKinds.StructuredPostal.FORMATTED_ADDRESS));
+            String postcode =
+                cursor.getString(
+                    cursor.getColumnIndexOrThrow(
+                        ContactsContract.CommonDataKinds.StructuredPostal.POSTCODE));
+            String region =
+                cursor.getString(
+                    cursor.getColumnIndexOrThrow(
+                        ContactsContract.CommonDataKinds.StructuredPostal.REGION));
+            Bundle address = new Bundle();
+
+            address.putString("city", city);
+            address.putString("country", country);
+            address.putString("formattedAddress", formattedAddress);
+            address.putString("postcode", postcode);
+            address.putString("region", region);
+
+            if (key.isEmpty()) {
+                key = id;
+                list.add(address);
+            } else {
+                if (key.equals(id)) {
+                    list.add(address);
+                } else {
+                    map.put(key, list);
+                    list = new ArrayList<>();
+                    list.add(address);
+                    key = id;
+                }
+            }
+        }
+        map.put(key, list);
+        cursor.close();
+
+        return map;
+    }
+
+    public ArrayList<Bundle> getAllContacts(
+        Context context,
+        boolean includeNames,
+        boolean includeEmails,
+        boolean includeTel,
+        boolean includeAddresses) {
+        ContentResolver contentResolver = context.getContentResolver();
+
+        Map<String, ArrayList<String>> emailMap =
+            includeEmails
+                ? getDetails(
+                contentResolver,
+                ContactsContract.CommonDataKinds.Email.CONTENT_URI,
+                ContactsContract.CommonDataKinds.Email.CONTACT_ID,
+                ContactsContract.CommonDataKinds.Email.DATA,
+                ContactsContract.CommonDataKinds.Email.CONTACT_ID
+                    + " ASC, "
+                    + ContactsContract.CommonDataKinds.Email.DATA
+                    + " ASC")
+                : null;
+
+        Map<String, ArrayList<String>> phoneMap =
+            includeTel
+                ? getDetails(
+                contentResolver,
+                ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
+                ContactsContract.CommonDataKinds.Phone.CONTACT_ID,
+                ContactsContract.CommonDataKinds.Phone.DATA,
+                ContactsContract.CommonDataKinds.Phone.CONTACT_ID
+                    + " ASC, "
+                    + ContactsContract.CommonDataKinds.Phone.NUMBER
+                    + " ASC")
+                : null;
+
+        Map<String, ArrayList<Bundle>> addressMap =
+            includeAddresses ? getAddressDetails(contentResolver) : null;
+
+        Log.d(TAG, "emailMap = " + emailMap);
+        Log.d(TAG, "phoneMap = " + phoneMap);
+        Log.d(TAG, "addressMap = " + addressMap);
+
+        // A cursor containing the raw contacts data.
+        Cursor cursor =
+            contentResolver.query(
+                ContactsContract.Contacts.CONTENT_URI,
+                PROJECTION,
+                null,
+                null,
+                ContactsContract.Contacts.SORT_KEY_PRIMARY + " ASC");
+        assert cursor != null;
+        if (!cursor.moveToFirst()) {
+            cursor.close();
+            return new ArrayList<>();
+        }
+
+        ArrayList<Bundle> contacts = new ArrayList<>(cursor.getCount());
+        do {
+            String id = cursor.getString(
+                cursor.getColumnIndexOrThrow(ContactsContract.Contacts._ID));
+            String name =
+                cursor.getString(
+                    cursor.getColumnIndexOrThrow(ContactsContract.Contacts.DISPLAY_NAME_PRIMARY));
+            ArrayList<String> email = emailMap != null ? emailMap.get(id) : null;
+            ArrayList<String> tel = phoneMap != null ? phoneMap.get(id) : null;
+            ArrayList<Bundle> address = addressMap != null ? addressMap.get(id) : null;
+
+            if (includeNames || email != null || tel != null || address != null) {
+                Bundle contact = new Bundle();
+
+                contact.putString("id", id);
+                contact.putString("name", name);
+                contact.putStringArrayList("email", email);
+                contact.putStringArrayList("tel", tel);
+                contact.putParcelableArrayList("address", address);
+
+                contacts.add(contact);
+            }
+        } while (cursor.moveToNext());
+
+        cursor.close();
+        return contacts;
+    }
+
+    private Bitmap getIcon(Context context, String id, int iconSize) {
+        ContentResolver contentResolver = context.getContentResolver();
+
+        Uri contactUri =
+            ContentUris.withAppendedId(ContactsContract.Contacts.CONTENT_URI, Long.parseLong(id));
+        Uri photoUri =
+            Uri.withAppendedPath(contactUri, ContactsContract.Contacts.Photo.CONTENT_DIRECTORY);
+        Cursor cursor =
+            contentResolver.query(
+                photoUri, new String[]{ContactsContract.Contacts.Photo.PHOTO}, null, null, null);
+        if (cursor == null) {
+            return null;
+        }
+        try {
+            if (cursor.moveToFirst()) {
+                byte[] data = cursor.getBlob(0);
+                if (data != null) {
+                    Bitmap icon = BitmapFactory.decodeStream(new ByteArrayInputStream(data));
+                    return iconSize > 0 ? Bitmap.createScaledBitmap(icon, iconSize, iconSize, true)
+                        : icon;
+                }
+            }
+        } finally {
+            cursor.close();
+        }
+        return null;
+    }
+}
diff --git a/androidbrowserhelper/src/main/java/com/google/androidbrowserhelper/trusted/ContactPermissionRequestActivity.java b/androidbrowserhelper/src/main/java/com/google/androidbrowserhelper/trusted/ContactPermissionRequestActivity.java
new file mode 100644
index 00000000..d56ed756
--- /dev/null
+++ b/androidbrowserhelper/src/main/java/com/google/androidbrowserhelper/trusted/ContactPermissionRequestActivity.java
@@ -0,0 +1,98 @@
+package com.google.androidbrowserhelper.trusted;
+
+import android.Manifest;
+import android.app.Activity;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.Looper;
+import android.os.Message;
+import android.os.Messenger;
+import android.os.RemoteException;
+import android.util.Log;
+import androidx.browser.trusted.TrustedWebActivityCallbackRemote;
+import androidx.core.app.ActivityCompat;
+
+public class ContactPermissionRequestActivity extends Activity {
+
+    private static final String TAG = "stomoki ContactReq";
+
+    private static final String[] CONTACT_PERMISSION = {Manifest.permission.READ_CONTACTS};
+
+    private static final String CONTACT_PERMISSION_RESULT = "contactPermissionResult";
+
+    private static final String EXTRA_RESULT_RECEIVER = "EXTRA_RESULT_RECEIVER";
+    private static final String EXTRA_PERMISSIONS = "EXTRA_PERMISSIONS";
+    private static final String EXTRA_GRANT_RESULTS = "EXTRA_GRANTED_RESULT";
+
+    private Messenger mMessenger;
+
+    public static void requestContactPermisson(Context context,
+        TrustedWebActivityCallbackRemote callback) {
+        Log.d(TAG, "Permission request started");
+
+        Handler handler = new Handler(Looper.getMainLooper(), message -> {
+            Bundle data = message.getData();
+            Log.d(TAG, "Intent result: " + data);
+
+            Bundle result = new Bundle();
+
+            result.putBoolean(CONTACT_PERMISSION_RESULT, false);
+
+            String[] permissions = data.getStringArray(EXTRA_PERMISSIONS);
+            int[] grantedResult = data.getIntArray(EXTRA_GRANT_RESULTS);
+
+            for (int i = 0; i < permissions.length; i++) {
+                if (permissions[i].equals(CONTACT_PERMISSION[0])) {
+                    result.putBoolean(CONTACT_PERMISSION_RESULT,
+                        grantedResult[i] == PackageManager.PERMISSION_GRANTED);
+                    break;
+                }
+            }
+
+            try {
+                callback.runExtraCallback(
+                    ContactDelegationExtraCommandHandler.COMMAND_CHECK_CONTACT_PERMISSION, result);
+            } catch (RemoteException e) {
+                e.printStackTrace();
+            }
+            
+            return true;
+        });
+
+        final Messenger messenger = new Messenger(handler);
+        Intent intent = new Intent(context, ContactPermissionRequestActivity.class);
+        intent.putExtra(EXTRA_PERMISSIONS, CONTACT_PERMISSION);
+        intent.putExtra(EXTRA_RESULT_RECEIVER, messenger);
+        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        context.startActivity(intent);
+    }
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        String[] permissions = getIntent().getStringArrayExtra(EXTRA_PERMISSIONS);
+        mMessenger = getIntent().getParcelableExtra(EXTRA_RESULT_RECEIVER);
+        ActivityCompat.requestPermissions(this, permissions, 0);
+    }
+
+    @Override
+    public void onRequestPermissionsResult(int requestCode, String[] permissions,
+        int[] grantResults) {
+        Message message = new Message();
+        Bundle data = new Bundle();
+        data.putStringArray(EXTRA_PERMISSIONS, permissions);
+        data.putIntArray(EXTRA_GRANT_RESULTS, grantResults);
+        message.setData(data);
+        try {
+            mMessenger.send(message);
+        } catch (RemoteException e) {
+            e.printStackTrace();
+        } finally {
+            finish();
+        }
+    }
+}
diff --git a/demos/twa-contact-delegation/.gitignore b/demos/twa-contact-delegation/.gitignore
new file mode 100644
index 00000000..796b96d1
--- /dev/null
+++ b/demos/twa-contact-delegation/.gitignore
@@ -0,0 +1 @@
+/build
diff --git a/demos/twa-contact-delegation/build.gradle b/demos/twa-contact-delegation/build.gradle
new file mode 100644
index 00000000..35557f04
--- /dev/null
+++ b/demos/twa-contact-delegation/build.gradle
@@ -0,0 +1,32 @@
+plugins {
+    id 'com.android.application'
+}
+
+android {
+    namespace 'com.google.androidbrowserhelper.demos.twa_contact_delegation'
+
+    defaultConfig {
+        applicationId "com.google.androidbrowserhelper.demos.twa_contact_delegation"
+        minSdkVersion 21
+        compileSdk 36
+        targetSdkVersion 31
+        versionCode 1
+        versionName "1.0"
+    }
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation project(path: ':androidbrowserhelper')
+}
diff --git a/demos/twa-contact-delegation/src/main/AndroidManifest.xml b/demos/twa-contact-delegation/src/main/AndroidManifest.xml
new file mode 100644
index 00000000..2fa06fe5
--- /dev/null
+++ b/demos/twa-contact-delegation/src/main/AndroidManifest.xml
@@ -0,0 +1,116 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+    Copyright 2019 Google LLC
+    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
+    https://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.google.androidbrowserhelper.demos.twa_contact_delegation">
+
+  <uses-permission android:name="android.permission.READ_CONTACTS" />
+
+  <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="@android:style/Theme.Translucent.NoTitleBar">
+    <meta-data
+        android:name="asset_statements"
+        android:resource="@string/asset_statements" />
+
+    <activity
+        android:name="com.google.androidbrowserhelper.trusted.LauncherActivity"
+        android:label="@string/app_name"
+        android:exported="true">
+      <meta-data
+          android:name="android.support.customtabs.trusted.DEFAULT_URL"
+          android:value="https://whatpwacando.today/contacts" />
+
+      <meta-data
+          android:name="android.support.customtabs.trusted.STATUS_BAR_COLOR"
+          android:resource="@color/colorPrimary" />
+
+      <meta-data
+          android:name="android.support.customtabs.trusted.STATUS_BAR_COLOR_DARK"
+          android:resource="@color/colorPrimaryDark" />
+
+      <meta-data
+          android:name="android.support.customtabs.trusted.NAVIGATION_BAR_COLOR"
+          android:resource="@color/navigationColor" />
+
+      <meta-data
+          android:name="android.support.customtabs.trusted.NAVIGATION_BAR_COLOR_DARK"
+          android:resource="@color/navigationColorDark" />
+
+      <meta-data
+          android:name="android.support.customtabs.trusted.SPLASH_IMAGE_DRAWABLE"
+          android:resource="@drawable/splash" />
+
+      <meta-data
+          android:name="android.support.customtabs.trusted.SPLASH_SCREEN_BACKGROUND_COLOR"
+          android:resource="@color/backgroundColor" />
+
+      <meta-data
+          android:name="android.support.customtabs.trusted.SPLASH_SCREEN_FADE_OUT_DURATION"
+          android:value="300" />
+
+      <meta-data
+          android:name="android.support.customtabs.trusted.FILE_PROVIDER_AUTHORITY"
+          android:value="@string/provider_authority" />
+
+      <intent-filter>
+        <action android:name="android.intent.action.MAIN" />
+        <category android:name="android.intent.category.LAUNCHER" />
+      </intent-filter>
+
+      <intent-filter android:autoVerify="true">
+        <action android:name="android.intent.action.VIEW" />
+
+        <category android:name="android.intent.category.DEFAULT" />
+        <category android:name="android.intent.category.BROWSABLE" />
+
+        <data
+            android:scheme="https"
+            android:host="whatpwacando.today" />
+      </intent-filter>
+
+    </activity>
+
+    <activity android:name="com.google.androidbrowserhelper.trusted.FocusActivity" />
+
+    <activity android:name="com.google.androidbrowserhelper.trusted.ContactPermissionRequestActivity" />
+
+    <provider
+        android:name="androidx.core.content.FileProvider"
+        android:authorities="@string/provider_authority"
+        android:grantUriPermissions="true"
+        android:exported="false">
+      <meta-data
+          android:name="android.support.FILE_PROVIDER_PATHS"
+          android:resource="@xml/filepaths" />
+    </provider>
+
+    <service
+        android:name=".ContactDelegationService"
+        android:enabled="true"
+        android:exported="true">
+
+      <meta-data
+          android:name="android.support.customtabs.trusted.SMALL_ICON"
+          android:resource="@drawable/ic_notification_icon" />
+
+      <intent-filter>
+        <action android:name="android.support.customtabs.trusted.TRUSTED_WEB_ACTIVITY_SERVICE" />
+        <category android:name="android.intent.category.DEFAULT" />
+      </intent-filter>
+    </service>
+  </application>
+</manifest>
diff --git a/demos/twa-contact-delegation/src/main/java/com/google/androidbrowserhelper/demos/twa_contact_delegation/ContactDelegationService.java b/demos/twa-contact-delegation/src/main/java/com/google/androidbrowserhelper/demos/twa_contact_delegation/ContactDelegationService.java
new file mode 100644
index 00000000..5dbb4d39
--- /dev/null
+++ b/demos/twa-contact-delegation/src/main/java/com/google/androidbrowserhelper/demos/twa_contact_delegation/ContactDelegationService.java
@@ -0,0 +1,26 @@
+// Copyright 2019 Google Inc. All Rights Reserved.
+//
+// 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.
+
+package com.google.androidbrowserhelper.demos.twa_contact_delegation;
+
+
+import com.google.androidbrowserhelper.trusted.ContactDelegationExtraCommandHandler;
+import com.google.androidbrowserhelper.trusted.DelegationService;
+
+public class ContactDelegationService extends DelegationService {
+
+    public ContactDelegationService() {
+        registerExtraCommandHandler(new ContactDelegationExtraCommandHandler());
+    }
+}
diff --git a/demos/twa-contact-delegation/src/main/res/drawable-anydpi/ic_notification_icon.xml b/demos/twa-contact-delegation/src/main/res/drawable-anydpi/ic_notification_icon.xml
new file mode 100644
index 00000000..94b0a2ab
--- /dev/null
+++ b/demos/twa-contact-delegation/src/main/res/drawable-anydpi/ic_notification_icon.xml
@@ -0,0 +1,25 @@
+<!--
+    Copyright 2019 Google LLC
+    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
+    https://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.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="26.086956"
+    android:viewportHeight="26.086956"
+    android:tint="#FFFFFF">
+  <group android:translateX="1.0434783"
+      android:translateY="1.0434783">
+      <path
+          android:fillColor="#FF000000"
+          android:pathData="M20,4L4,4c-1.1,0 -1.99,0.9 -1.99,2L2,18c0,1.1 0.9,2 2,2h16c1.1,0 2,-0.9 2,-2L22,6c0,-1.1 -0.9,-2 -2,-2zM20,8l-8,5 -8,-5L4,6l8,5 8,-5v2z"/>
+  </group>
+</vector>
diff --git a/demos/twa-contact-delegation/src/main/res/drawable-hdpi/ic_notification_icon.png b/demos/twa-contact-delegation/src/main/res/drawable-hdpi/ic_notification_icon.png
new file mode 100644
index 00000000..c44655ce
Binary files /dev/null and b/demos/twa-contact-delegation/src/main/res/drawable-hdpi/ic_notification_icon.png differ
diff --git a/demos/twa-contact-delegation/src/main/res/drawable-mdpi/ic_notification_icon.png b/demos/twa-contact-delegation/src/main/res/drawable-mdpi/ic_notification_icon.png
new file mode 100644
index 00000000..241bdb8e
Binary files /dev/null and b/demos/twa-contact-delegation/src/main/res/drawable-mdpi/ic_notification_icon.png differ
diff --git a/demos/twa-contact-delegation/src/main/res/drawable-v24/ic_launcher_foreground.xml b/demos/twa-contact-delegation/src/main/res/drawable-v24/ic_launcher_foreground.xml
new file mode 100644
index 00000000..c478e087
--- /dev/null
+++ b/demos/twa-contact-delegation/src/main/res/drawable-v24/ic_launcher_foreground.xml
@@ -0,0 +1,42 @@
+<!--
+    Copyright 2019 Google LLC
+    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
+    https://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.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>
diff --git a/demos/twa-contact-delegation/src/main/res/drawable-xhdpi/ic_notification_icon.png b/demos/twa-contact-delegation/src/main/res/drawable-xhdpi/ic_notification_icon.png
new file mode 100644
index 00000000..ba11f018
Binary files /dev/null and b/demos/twa-contact-delegation/src/main/res/drawable-xhdpi/ic_notification_icon.png differ
diff --git a/demos/twa-contact-delegation/src/main/res/drawable-xhdpi/splash.png b/demos/twa-contact-delegation/src/main/res/drawable-xhdpi/splash.png
new file mode 100644
index 00000000..8de34211
Binary files /dev/null and b/demos/twa-contact-delegation/src/main/res/drawable-xhdpi/splash.png differ
diff --git a/demos/twa-contact-delegation/src/main/res/drawable-xxhdpi/ic_notification_icon.png b/demos/twa-contact-delegation/src/main/res/drawable-xxhdpi/ic_notification_icon.png
new file mode 100644
index 00000000..e749e2f5
Binary files /dev/null and b/demos/twa-contact-delegation/src/main/res/drawable-xxhdpi/ic_notification_icon.png differ
diff --git a/demos/twa-contact-delegation/src/main/res/drawable/ic_launcher_background.xml b/demos/twa-contact-delegation/src/main/res/drawable/ic_launcher_background.xml
new file mode 100644
index 00000000..ab8bc42e
--- /dev/null
+++ b/demos/twa-contact-delegation/src/main/res/drawable/ic_launcher_background.xml
@@ -0,0 +1,182 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright 2019 Google LLC
+    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
+    https://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.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#3DDC84"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>
diff --git a/demos/twa-contact-delegation/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/demos/twa-contact-delegation/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
new file mode 100644
index 00000000..6b78462d
--- /dev/null
+++ b/demos/twa-contact-delegation/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
diff --git a/demos/twa-contact-delegation/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/demos/twa-contact-delegation/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
new file mode 100644
index 00000000..287f5053
--- /dev/null
+++ b/demos/twa-contact-delegation/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright 2019 Google LLC
+    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
+    https://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.
+-->
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
diff --git a/demos/twa-contact-delegation/src/main/res/mipmap-hdpi/ic_launcher.png b/demos/twa-contact-delegation/src/main/res/mipmap-hdpi/ic_launcher.png
new file mode 100644
index 00000000..a571e600
Binary files /dev/null and b/demos/twa-contact-delegation/src/main/res/mipmap-hdpi/ic_launcher.png differ
diff --git a/demos/twa-contact-delegation/src/main/res/mipmap-hdpi/ic_launcher_round.png b/demos/twa-contact-delegation/src/main/res/mipmap-hdpi/ic_launcher_round.png
new file mode 100644
index 00000000..61da551c
Binary files /dev/null and b/demos/twa-contact-delegation/src/main/res/mipmap-hdpi/ic_launcher_round.png differ
diff --git a/demos/twa-contact-delegation/src/main/res/mipmap-mdpi/ic_launcher.png b/demos/twa-contact-delegation/src/main/res/mipmap-mdpi/ic_launcher.png
new file mode 100644
index 00000000..c41dd285
Binary files /dev/null and b/demos/twa-contact-delegation/src/main/res/mipmap-mdpi/ic_launcher.png differ
diff --git a/demos/twa-contact-delegation/src/main/res/mipmap-mdpi/ic_launcher_round.png b/demos/twa-contact-delegation/src/main/res/mipmap-mdpi/ic_launcher_round.png
new file mode 100644
index 00000000..db5080a7
Binary files /dev/null and b/demos/twa-contact-delegation/src/main/res/mipmap-mdpi/ic_launcher_round.png differ
diff --git a/demos/twa-contact-delegation/src/main/res/mipmap-xhdpi/ic_launcher.png b/demos/twa-contact-delegation/src/main/res/mipmap-xhdpi/ic_launcher.png
new file mode 100644
index 00000000..6dba46da
Binary files /dev/null and b/demos/twa-contact-delegation/src/main/res/mipmap-xhdpi/ic_launcher.png differ
diff --git a/demos/twa-contact-delegation/src/main/res/mipmap-xhdpi/ic_launcher_round.png b/demos/twa-contact-delegation/src/main/res/mipmap-xhdpi/ic_launcher_round.png
new file mode 100644
index 00000000..da31a871
Binary files /dev/null and b/demos/twa-contact-delegation/src/main/res/mipmap-xhdpi/ic_launcher_round.png differ
diff --git a/demos/twa-contact-delegation/src/main/res/mipmap-xxhdpi/ic_launcher.png b/demos/twa-contact-delegation/src/main/res/mipmap-xxhdpi/ic_launcher.png
new file mode 100644
index 00000000..15ac6817
Binary files /dev/null and b/demos/twa-contact-delegation/src/main/res/mipmap-xxhdpi/ic_launcher.png differ
diff --git a/demos/twa-contact-delegation/src/main/res/mipmap-xxhdpi/ic_launcher_round.png b/demos/twa-contact-delegation/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
new file mode 100644
index 00000000..b216f2d3
Binary files /dev/null and b/demos/twa-contact-delegation/src/main/res/mipmap-xxhdpi/ic_launcher_round.png differ
diff --git a/demos/twa-contact-delegation/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/demos/twa-contact-delegation/src/main/res/mipmap-xxxhdpi/ic_launcher.png
new file mode 100644
index 00000000..f25a4197
Binary files /dev/null and b/demos/twa-contact-delegation/src/main/res/mipmap-xxxhdpi/ic_launcher.png differ
diff --git a/demos/twa-contact-delegation/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png b/demos/twa-contact-delegation/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
new file mode 100644
index 00000000..e96783cc
Binary files /dev/null and b/demos/twa-contact-delegation/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png differ
diff --git a/demos/twa-contact-delegation/src/main/res/raw/airhorn.mp3 b/demos/twa-contact-delegation/src/main/res/raw/airhorn.mp3
new file mode 100644
index 00000000..af4d1866
Binary files /dev/null and b/demos/twa-contact-delegation/src/main/res/raw/airhorn.mp3 differ
diff --git a/demos/twa-contact-delegation/src/main/res/values/colors.xml b/demos/twa-contact-delegation/src/main/res/values/colors.xml
new file mode 100644
index 00000000..77536b23
--- /dev/null
+++ b/demos/twa-contact-delegation/src/main/res/values/colors.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright 2019 Google LLC
+    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
+    https://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.
+-->
+<resources>
+    <color name="themeColor">#303F9F</color>
+    <color name="colorPrimary">#303F9F</color>
+    <color name="colorPrimaryDark">#303F9F</color>
+    <color name="navigationColor">#303F9F</color>
+    <color name="navigationColorDark">#303F9F</color>
+    <color name="backgroundColor">#303F9F</color>
+</resources>
diff --git a/demos/twa-contact-delegation/src/main/res/values/strings.xml b/demos/twa-contact-delegation/src/main/res/values/strings.xml
new file mode 100644
index 00000000..17fce64d
--- /dev/null
+++ b/demos/twa-contact-delegation/src/main/res/values/strings.xml
@@ -0,0 +1,24 @@
+<!--
+    Copyright 2019 Google LLC
+    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
+    https://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.
+-->
+<resources>
+  <string name="app_name">twa-contact-delegation</string>
+  <string name="asset_statements">
+        [{
+            \"relation\": [\"delegate_permission/common.handle_all_urls\"],
+            \"target\": {
+                \"namespace\": \"web\",
+                \"site\": \"https://whatpwacando.today/\"}
+        }]
+    </string>
+  <string name="provider_authority">com.google.browser.examples.twa_contact_delegation.fileprovider</string>
+</resources>
diff --git a/demos/twa-contact-delegation/src/main/res/xml/filepaths.xml b/demos/twa-contact-delegation/src/main/res/xml/filepaths.xml
new file mode 100644
index 00000000..bda6da09
--- /dev/null
+++ b/demos/twa-contact-delegation/src/main/res/xml/filepaths.xml
@@ -0,0 +1,21 @@
+<!--
+    Copyright 2019 Google Inc. All Rights Reserved.
+     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.
+-->
+
+<paths>
+  <files-path
+      path="twa_splash/"
+      name="twa_splash" />
+  <files-path
+      path="contact_icons/"
+      name="contact_icons" />
+</paths>
diff --git a/settings.gradle b/settings.gradle
index 48798a7f..0c7f4811 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -40,6 +40,7 @@ include ':demos:custom-tabs-ephemeral-with-fallback'
 include ':demos:custom-tabs-ephemeral'
 include ':demos:custom-tabs-session'
 include ':demos:twa-basic'
+include ':demos:twa-contact-delegation'
 include ':demos:twa-custom-launcher'
 include ':demos:twa-firebase-analytics'
 include ':demos:twa-location-delegation'