1 /*
2  * Copyright (C) 2017 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.dialer.assisteddialing;
18 
19 import android.support.annotation.NonNull;
20 import java.util.Optional;
21 
22 /** A stub assisted dialing implementation. */
23 public final class AssistedDialingMediatorStub implements AssistedDialingMediator {
24 
25   /** Always returns an empty Optional. */
26   @Override
attemptAssistedDial(@onNull String numberToTransform)27   public Optional<TransformationInfo> attemptAssistedDial(@NonNull String numberToTransform) {
28     return Optional.empty();
29   }
30 
31   /** Always returns an empty Optional. */
32   @Override
userHomeCountryCode()33   public Optional<String> userHomeCountryCode() {
34     return Optional.empty();
35   }
36 
37   @Override
isPlatformEligible()38   public boolean isPlatformEligible() {
39     return false;
40   }
41 }
42