1 /*
2  * Copyright (C) 2014 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.databinding;
17 
18 import android.databinding.Observable.OnPropertyChangedCallback;
19 
20 import java.lang.annotation.ElementType;
21 import java.lang.annotation.Retention;
22 import java.lang.annotation.RetentionPolicy;
23 import java.lang.annotation.Target;
24 
25 /**
26  * The Bindable annotation should be applied to any getter accessor method of an
27  * {@link Observable} class. Bindable will generate a field in the BR class to identify
28  * the field that has changed.
29  *
30  * @see OnPropertyChangedCallback#onPropertyChanged(Observable, int)
31  */
32 @Target({ElementType.FIELD, ElementType.METHOD})
33 @Retention(RetentionPolicy.RUNTIME) // this is necessary for java analyzer to work
34 public @interface Bindable {
35 }
36