/* * Copyright (C) 2018 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.hardware.vibrator@1.2; import @1.0::EffectStrength; import @1.0::Status; import @1.1::IVibrator; interface IVibrator extends @1.1::IVibrator { /** * Fire off a predefined haptic event. * * @param event The type of haptic event to trigger. * @return status Whether the effect was successfully performed or not. Must * return Status::UNSUPPORTED_OPERATION is the effect is not supported. * @return lengthMs The length of time the event is expected to take in * milliseconds. This doesn't need to be perfectly accurate, but should be a reasonable * approximation. Should be a positive, non-zero value if the returned status is Status::OK, * and set to 0 otherwise. */ perform_1_2(Effect effect, EffectStrength strength) generates (Status status, uint32_t lengthMs); };