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 17syntax = "proto3"; 18 19package android.os; 20 21option java_multiple_files = true; 22 23message MessageProto { 24 int64 when = 1; 25 // Name of callback class. 26 string callback = 2; 27 // User-defined message code so that the recipient can identify what this 28 // message is about. 29 int32 what = 3; 30 int32 arg1 = 4; 31 int32 arg2 = 5; 32 // String representation of an arbitrary object to send to the recipient. 33 string obj = 6; 34 // Name of target class. 35 string target = 7; 36 int32 barrier = 8; 37} 38