LocaleListInterface.java revision 01f7e32cdf00e64181661c34a3190b70ad4c79af
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
17package android.support.v4.os;
18
19import static android.support.annotation.RestrictTo.Scope.LIBRARY_GROUP;
20
21import android.support.annotation.IntRange;
22import android.support.annotation.NonNull;
23import android.support.annotation.Nullable;
24import android.support.annotation.RestrictTo;
25
26import java.util.Locale;
27
28/**
29 * Interface describing backwards-compatible LocaleList APIs.
30 *
31 * @hide Internal use only
32 */
33@RestrictTo(LIBRARY_GROUP)
34interface LocaleListInterface {
35    void setLocaleList(@NonNull Locale... list);
36
37    Object getLocaleList();
38
39    Locale get(int index);
40
41    boolean isEmpty();
42
43    @IntRange(from = 0)
44    int size();
45
46    @IntRange(from = -1)
47    int indexOf(Locale locale);
48
49    boolean     equals(Object other);
50
51    int hashCode();
52
53    String toString();
54
55    String toLanguageTags();
56
57    @Nullable
58    Locale getFirstMatch(String[] supportedLocales);
59}
60