137 lines
4.5 KiB
Plaintext
137 lines
4.5 KiB
Plaintext
/*
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* Copyright (C) 2006 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.os;
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import android.os.IClientCallback;
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import android.os.IServiceCallback;
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import android.os.ServiceDebugInfo;
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import android.os.ConnectionInfo;
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/**
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* Basic interface for finding and publishing system services.
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*
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* You likely want to use android.os.ServiceManager in Java or
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* android::IServiceManager in C++ in order to use this interface.
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*
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* @hide
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*/
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interface IServiceManager {
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/*
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* Must update values in IServiceManager.h
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*/
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/* Allows services to dump sections according to priorities. */
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const int DUMP_FLAG_PRIORITY_CRITICAL = 1 << 0;
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const int DUMP_FLAG_PRIORITY_HIGH = 1 << 1;
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const int DUMP_FLAG_PRIORITY_NORMAL = 1 << 2;
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/**
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* Services are by default registered with a DEFAULT dump priority. DEFAULT priority has the
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* same priority as NORMAL priority but the services are not called with dump priority
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* arguments.
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*/
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const int DUMP_FLAG_PRIORITY_DEFAULT = 1 << 3;
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const int DUMP_FLAG_PRIORITY_ALL =
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DUMP_FLAG_PRIORITY_CRITICAL | DUMP_FLAG_PRIORITY_HIGH
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| DUMP_FLAG_PRIORITY_NORMAL | DUMP_FLAG_PRIORITY_DEFAULT;
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/* Allows services to dump sections in protobuf format. */
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const int DUMP_FLAG_PROTO = 1 << 4;
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/**
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* Retrieve an existing service called @a name from the
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* service manager.
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*
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* This is the same as checkService (returns immediately) but
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* exists for legacy purposes.
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*
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* Returns null if the service does not exist.
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*/
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@UnsupportedAppUsage
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@nullable IBinder getService(@utf8InCpp String name);
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/**
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* Retrieve an existing service called @a name from the service
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* manager. Non-blocking. Returns null if the service does not
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* exist.
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*/
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@UnsupportedAppUsage
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@nullable IBinder checkService(@utf8InCpp String name);
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/**
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* Place a new @a service called @a name into the service
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* manager.
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*/
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void addService(@utf8InCpp String name, IBinder service,
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boolean allowIsolated, int dumpPriority);
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/**
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* Return a list of all currently running services.
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*/
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@utf8InCpp String[] listServices(int dumpPriority);
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/**
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* Request a callback when a service is registered.
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*/
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void registerForNotifications(@utf8InCpp String name, IServiceCallback callback);
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/**
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* Unregisters all requests for notifications for a specific callback.
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*/
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void unregisterForNotifications(@utf8InCpp String name, IServiceCallback callback);
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/**
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* Returns whether a given interface is declared on the device, even if it
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* is not started yet. For instance, this could be a service declared in the VINTF
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* manifest.
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*/
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boolean isDeclared(@utf8InCpp String name);
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/**
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* Returns all declared instances for a particular interface.
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*
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* For instance, if 'android.foo.IFoo/foo' is declared, and 'android.foo.IFoo' is
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* passed here, then ["foo"] would be returned.
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*/
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@utf8InCpp String[] getDeclaredInstances(@utf8InCpp String iface);
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/**
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* If updatable-via-apex, returns the APEX via which this is updated.
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*/
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@nullable @utf8InCpp String updatableViaApex(@utf8InCpp String name);
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/**
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* If connection info is available for the given instance, returns the ConnectionInfo
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*/
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@nullable ConnectionInfo getConnectionInfo(@utf8InCpp String name);
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/**
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* Request a callback when the number of clients of the service changes.
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* Used by LazyServiceRegistrar to dynamically stop services that have no clients.
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*/
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void registerClientCallback(@utf8InCpp String name, IBinder service, IClientCallback callback);
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/**
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* Attempt to unregister and remove a service. Will fail if the service is still in use.
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*/
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void tryUnregisterService(@utf8InCpp String name, IBinder service);
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/**
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* Get debug information for all currently registered services.
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*/
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ServiceDebugInfo[] getServiceDebugInfo();
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}
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