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/*
* Copyright (C) 2009 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;
import java.util.Map;
public final class ServiceManager {
/**
* Returns a reference to a service with the given name.
*
* @param name the name of the service to get
* @return a reference to the service, or <code>null</code> if the service doesn't exist
*/
public static IBinder getService(String name) {
return null;
}
/**
* Is not supposed to return null, but that is fine for layoutlib.
*/
public static IBinder getServiceOrThrow(String name) throws ServiceNotFoundException {
throw new ServiceNotFoundException(name);
}
/**
* Place a new @a service called @a name into the service
* manager.
*
* @param name the name of the new service
* @param service the service object
*/
public static void addService(String name, IBinder service) {
// pass
}
/**
* Retrieve an existing service called @a name from the
* service manager. Non-blocking.
*/
public static IBinder checkService(String name) {
return null;
}
/**
* Return a list of all currently running services.
* @return an array of all currently running services, or <code>null</code> in
* case of an exception
*/
public static String[] listServices() {
// actual implementation returns null sometimes, so it's ok
// to return null instead of an empty list.
return null;
}
/**
* This is only intended to be called when the process is first being brought
* up and bound by the activity manager. There is only one thread in the process
* at that time, so no locking is done.
*
* @param cache the cache of service references
* @hide
*/
public static void initServiceCache(Map<String, IBinder> cache) {
// pass
}
/**
* Exception thrown when no service published for given name. This might be
* thrown early during boot before certain services have published
* themselves.
*
* @hide
*/
public static class ServiceNotFoundException extends Exception {
// identical to the original implementation
public ServiceNotFoundException(String name) {
super("No service published for: " + name);
}
}
}
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