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 /** The core interface for the AssistedDialingMediator. */
23 public interface AssistedDialingMediator {
24 
25   /** Returns {@code true} if the current client platform supports Assisted Dialing. */
isPlatformEligible()26   boolean isPlatformEligible();
27 
28   /** Returns the country code in which the library thinks the user typically resides. */
userHomeCountryCode()29   Optional<String> userHomeCountryCode();
30 
attemptAssistedDial(@onNull String numberToTransform)31   Optional<TransformationInfo> attemptAssistedDial(@NonNull String numberToTransform);
32 }
33