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 package android.service.autofill;
17 
18 import android.annotation.NonNull;
19 import android.annotation.TestApi;
20 import android.os.Parcelable;
21 
22 /**
23  * Superclass of all validators the system understands. As this is not public all public subclasses
24  * have to implement {@link Validator} again.
25  *
26  * @hide
27  */
28 @TestApi
29 public abstract class InternalValidator implements Validator, Parcelable {
30 
31     /**
32      * Decides whether the contents of the screen are valid.
33      *
34      * @param finder object used to find the value of a field in the screen.
35      * @return {@code true} if the contents are valid, {@code false} otherwise.
36      */
isValid(@onNull ValueFinder finder)37     public abstract boolean isValid(@NonNull ValueFinder finder);
38 }
39