2 * Copyright (C) 2017 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
16 package android.service.autofill;
18 import android.annotation.NonNull;
19 import android.annotation.Nullable;
20 import android.annotation.TestApi;
21 import android.view.autofill.AutofillId;
24 * Helper object used to obtain the value of a field in the screen being autofilled.
29 public interface ValueFinder {
32 * Gets the value of a field, or {@code null} when not found.
34 @Nullable String findByAutofillId(@NonNull AutofillId id);