1 /* 2 * Copyright (c) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef FOUNDATION_APPEXECFWK_SERVICES_BUNDLEMGR_INCLUDE_SYSTEM_ABILITY_HELPER_H 17 #define FOUNDATION_APPEXECFWK_SERVICES_BUNDLEMGR_INCLUDE_SYSTEM_ABILITY_HELPER_H 18 19 #include <string> 20 21 #include "iremote_object.h" 22 23 namespace OHOS { 24 namespace AppExecFwk { 25 26 class SystemAbilityHelper { 27 public: 28 /** 29 * @brief Get a pointer to a IRemoteObject object from system ability service. 30 * @param systemAbilityId Indicates the system ability ID to be got. 31 * @return Returns a pointer to the IRemoteObject object. 32 */ 33 static sptr<IRemoteObject> GetSystemAbility(const int32_t systemAbilityId); 34 /** 35 * @brief Register a service to the system ability service. 36 * @param systemAbilityId Indicates the system ability ID to be registered. 37 * @param systemAbility Indicates the IRemoteObject pointer to be registered. 38 * @return Returns true if the pointer registered successfully; returns false otherwise. 39 */ 40 static bool AddSystemAbility(const int32_t systemAbilityId, const sptr<IRemoteObject> &systemAbility); 41 /** 42 * @brief Unregister a service from the system ability service. 43 * @param systemAbilityId Indicates the system ability ID to be unregistered. 44 * @return Returns true if the service unregistered successfully; returns false otherwise. 45 */ 46 static bool RemoveSystemAbility(const int32_t systemAbilityId); 47 }; 48 49 } // namespace AppExecFwk 50 } // namespace OHOS 51 #endif // FOUNDATION_APPEXECFWK_SERVICES_BUNDLEMGR_INCLUDE_SYSTEM_ABILITY_HELPER_H