|  | /** | 
|  | * Copyright (c) 2020, The Android Open Source Project | 
|  | * | 
|  | * Licensed under the Apache License, Version 2.0 (the "License"); | 
|  | * you may not use this file except in compliance with the License. | 
|  | * You may obtain a copy of the License at | 
|  | * | 
|  | *     http://www.apache.org/licenses/LICENSE-2.0 | 
|  | * | 
|  | * Unless required by applicable law or agreed to in writing, software | 
|  | * distributed under the License is distributed on an "AS IS" BASIS, | 
|  | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
|  | * See the License for the specific language governing permissions and | 
|  | * limitations under the License. | 
|  | */ | 
|  |  | 
|  | package android.os; | 
|  |  | 
|  | /** | 
|  | * Constants used to specify the input event injection synchronization mode. | 
|  | * | 
|  | * @hide | 
|  | */ | 
|  | @Backing(type="int") | 
|  | enum InputEventInjectionSync { | 
|  | /* Injection is asynchronous and is assumed always to be successful. */ | 
|  | NONE = 0, | 
|  |  | 
|  | /* Waits for previous events to be dispatched so that the input dispatcher can determine | 
|  | * whether input event injection willbe permitted based on the current input focus. | 
|  | * Does not wait for the input event to finish processing. */ | 
|  | WAIT_FOR_RESULT = 1, | 
|  |  | 
|  | /* Waits for the input event to be completely processed. */ | 
|  | WAIT_FOR_FINISHED = 2, | 
|  | } |