1 /* 2 * Copyright (C) 2018 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 #ifndef ANDROID_HARDWARE_FACTORY_HAL_HIDL_H 18 #define ANDROID_HARDWARE_FACTORY_HAL_HIDL_H 19 20 #include <string> 21 22 #include <utils/StrongPointer.h> 23 24 namespace android { 25 26 namespace detail { 27 28 void* createPreferredImpl(const std::string& package, const std::string& interface); 29 30 } // namespace detail 31 32 /** @Return the preferred available implementation or nullptr if none are available. */ 33 template <class Interface> createPreferredImpl(const std::string & package,const std::string & interface)34static sp<Interface> createPreferredImpl(const std::string& package, const std::string& interface) { 35 return sp<Interface>{static_cast<Interface*>(detail::createPreferredImpl(package, interface))}; 36 } 37 38 } // namespace android 39 40 #endif // ANDROID_HARDWARE_FACTORY_HAL_HIDL_H 41