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 androidx.core.os;
18 
19 import static androidx.annotation.RestrictTo.Scope.LIBRARY_GROUP;
20 
21 import androidx.annotation.IntRange;
22 import androidx.annotation.NonNull;
23 import androidx.annotation.Nullable;
24 import androidx.annotation.RestrictTo;
25 
26 import java.util.Locale;
27 
28 /**
29  * Interface describing backwards-compatible LocaleList APIs.
30  *
31  * @hide Internal use only
32  */
33 @RestrictTo(LIBRARY_GROUP)
34 interface LocaleListInterface {
setLocaleList(@onNull Locale... list)35     void setLocaleList(@NonNull Locale... list);
36 
getLocaleList()37     Object getLocaleList();
38 
get(int index)39     Locale get(int index);
40 
isEmpty()41     boolean isEmpty();
42 
43     @IntRange(from = 0)
size()44     int size();
45 
46     @IntRange(from = -1)
indexOf(Locale locale)47     int indexOf(Locale locale);
48 
49     @Override
equals(Object other)50     boolean equals(Object other);
51 
52     @Override
hashCode()53     int hashCode();
54 
55     @Override
toString()56     String toString();
57 
toLanguageTags()58     String toLanguageTags();
59 
60     @Nullable
getFirstMatch(String[] supportedLocales)61     Locale getFirstMatch(String[] supportedLocales);
62 }
63