diff --git a/testapps/AndroidManifest.xml b/testapps/AndroidManifest.xml
index 02443ba..9cb1992 100644
--- a/testapps/AndroidManifest.xml
+++ b/testapps/AndroidManifest.xml
@@ -238,5 +238,19 @@
         <receiver android:exported="false"
             android:process="com.android.server.telecom.testapps.SelfMangingCallingApp"
             android:name="com.android.server.telecom.testapps.SelfManagedCallNotificationReceiver" />
+
+        <service
+            android:name=".TestCallScreeningService"
+            android:permission="android.permission.BIND_SCREENING_SERVICE">
+            <intent-filter>
+                <action android:name="android.telecom.CallScreeningService"/>
+            </intent-filter>
+        </service>
+
+        <activity android:name=".CallScreeningActivity"
+                  android:configChanges="orientation|screenSize|keyboardHidden"
+                  android:excludeFromRecents="true"
+                  android:launchMode="singleInstance">
+        </activity>
     </application>
 </manifest>
diff --git a/testapps/src/com/android/server/telecom/testapps/CallScreeningActivity.java b/testapps/src/com/android/server/telecom/testapps/CallScreeningActivity.java
new file mode 100644
index 0000000..05ba500
--- /dev/null
+++ b/testapps/src/com/android/server/telecom/testapps/CallScreeningActivity.java
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2018 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
+ */
+
+package com.android.server.telecom.testapps;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.telecom.CallScreeningService;
+import android.view.WindowManager;
+
+public class CallScreeningActivity extends Activity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        AlertDialog alertDialog = new AlertDialog.Builder(this)
+                .setTitle("Test Call Screening")
+                .setMessage("Allow the call?")
+                .setNegativeButton("Block", new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        if (TestCallScreeningService.getInstance() != null) {
+                            TestCallScreeningService.getInstance().blockCall();
+                        }
+                        finish();
+                    }
+                })
+                .setPositiveButton("Allow", new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        if (TestCallScreeningService.getInstance() != null) {
+                            TestCallScreeningService.getInstance().allowCall();
+                        }
+                        finish();
+                    }
+                }).create();
+        alertDialog.show();
+    }
+}
diff --git a/testapps/src/com/android/server/telecom/testapps/TestCallScreeningService.java b/testapps/src/com/android/server/telecom/testapps/TestCallScreeningService.java
new file mode 100644
index 0000000..81a469e
--- /dev/null
+++ b/testapps/src/com/android/server/telecom/testapps/TestCallScreeningService.java
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2018 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
+ */
+
+package com.android.server.telecom.testapps;
+
+import android.content.Intent;
+import android.telecom.Call;
+import android.telecom.CallScreeningService;
+import android.telecom.Log;
+
+public class TestCallScreeningService extends CallScreeningService {
+    private Call.Details mDetails;
+    private static TestCallScreeningService sTestCallScreeningService;
+
+    public static TestCallScreeningService getInstance() {
+        return sTestCallScreeningService;
+    }
+
+    /**
+     * Handles request from the system to screen an incoming call.
+     * @param callDetails Information about a new incoming call, see {@link Call.Details}.
+     */
+    @Override
+    public void onScreenCall(Call.Details callDetails) {
+        Log.i(this, "onScreenCall: received call %s", callDetails);
+        sTestCallScreeningService = this;
+
+        mDetails = callDetails;
+        Intent errorIntent = new Intent(this, CallScreeningActivity.class);
+        errorIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        startActivity(errorIntent);
+    }
+
+    public void blockCall() {
+        CallScreeningService.CallResponse
+                response = new CallScreeningService.CallResponse.Builder()
+                .setDisallowCall(true)
+                .setRejectCall(true)
+                .setSkipCallLog(false)
+                .setSkipNotification(true)
+                .build();
+        respondToCall(mDetails, response);
+    }
+
+    public void allowCall() {
+        CallScreeningService.CallResponse
+                response = new CallScreeningService.CallResponse.Builder()
+                .setDisallowCall(false)
+                .setRejectCall(false)
+                .setSkipCallLog(false)
+                .setSkipNotification(false)
+                .build();
+        respondToCall(mDetails, response);
+    }
+}