2 * Copyright (C) 2010 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.
17 package com.android.tools.layoutlib.annotations;
19 import java.lang.annotation.Retention;
20 import java.lang.annotation.RetentionPolicy;
23 * Denotes a parameter or field can be null.
25 * When decorating a method call parameter, this denotes the parameter can
26 * legitimately be null and the method will gracefully deal with it. Typically used
27 * on optional parameters.
29 * When decorating a method, this denotes the method might legitimately return null.
31 * This is a marker annotation and it has no specific attributes.
33 @Retention(RetentionPolicy.SOURCE)
34 public @interface Nullable {