| /* |
| * Copyright (C) 2017 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. |
| */ |
| |
| #include <iostream> |
| #include <string> |
| |
| #include <android-base/logging.h> |
| #include <android/hardware/light/2.0/ILight.h> |
| |
| void error(const std::string& msg) { |
| LOG(ERROR) << msg; |
| std::cerr << msg << std::endl; |
| } |
| |
| int main() { |
| using ::android::hardware::hidl_vec; |
| using ::android::hardware::light::V2_0::Brightness; |
| using ::android::hardware::light::V2_0::Flash; |
| using ::android::hardware::light::V2_0::ILight; |
| using ::android::hardware::light::V2_0::LightState; |
| using ::android::hardware::light::V2_0::Status; |
| using ::android::hardware::light::V2_0::Type; |
| using ::android::sp; |
| |
| sp<ILight> service = ILight::getService(); |
| if (service == nullptr) { |
| error("Could not retrieve light service."); |
| return -1; |
| } |
| |
| const static LightState off = { |
| .color = 0u, .flashMode = Flash::NONE, .brightnessMode = Brightness::USER, |
| }; |
| |
| service->getSupportedTypes([&](const hidl_vec<Type>& types) { |
| for (Type type : types) { |
| Status ret = service->setLight(type, off); |
| if (ret != Status::SUCCESS) { |
| error("Failed to shut off screen for type " + |
| std::to_string(static_cast<int>(type))); |
| } |
| } |
| }); |
| |
| return 0; |
| } |