1 /* 2 * Copyright (C) 2015 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 com.android.launcher3.util; 18 19 import java.lang.annotation.ElementType; 20 import java.lang.annotation.Retention; 21 import java.lang.annotation.RetentionPolicy; 22 import java.lang.annotation.Target; 23 24 /** 25 * Indicates that the given field or method has package visibility solely to prevent the creation 26 * of a synthetic method. In practice, you should treat this field/method as if it were private. 27 * <p> 28 * 29 * When a private method is called from an inner class, the Java compiler generates a simple 30 * package private shim method that the class generated from the inner class can call. This results 31 * in unnecessary bloat and runtime method call overhead. It also gets us closer to the dex method 32 * count limit. 33 * <p> 34 * 35 * If you'd like to see warnings for these synthetic methods in eclipse, turn on: 36 * Window > Preferences > Java > Compiler > Errors/Warnings > "Access to a non-accessible member 37 * of an enclosing type". 38 * <p> 39 * 40 */ 41 @Retention(RetentionPolicy.SOURCE) 42 @Target({ElementType.METHOD, ElementType.FIELD, ElementType.CONSTRUCTOR, ElementType.TYPE}) 43 public @interface Thunk { }