56 lines
2.1 KiB
Java
56 lines
2.1 KiB
Java
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/*
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* Copyright (C) 2022 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.media;
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import android.annotation.NonNull;
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import android.annotation.SystemApi;
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import android.app.StatusBarManager;
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import java.util.List;
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import java.util.function.Consumer;
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/**
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* An interface that provides information about nearby devices that are able to play media.
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* <p>
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* External clients can implement this interface and pass it to the system via
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* {@link StatusBarManager#registerNearbyMediaDevicesProvider} to inform the system of nearby media
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* devices.
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* <p>
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* @hide
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*/
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@SystemApi
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public interface NearbyMediaDevicesProvider {
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/**
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* Registers a callback that should be notified each time nearby media device(s) change.
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* <p>
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* When a callback is newly registered, it should be immediately notified of the current nearby
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* media devices. Afterwards, the list of devices passed to the callback should always contain
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* the full set of nearby media devices any time you get an update. If a device is no longer
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* valid (went offline, e.g.) then it should be omitted from the list in the next update.
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* <p>
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* @param callback the callback that will consume updates to the nearby media devices.
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*/
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void registerNearbyDevicesCallback(@NonNull Consumer<List<NearbyDevice>> callback);
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/**
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* Unregisters a callback. @see #registerNearbyDevicesCallback.
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* <p>
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* @param callback the callback to unregister.
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*/
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void unregisterNearbyDevicesCallback(@NonNull Consumer<List<NearbyDevice>> callback);
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}
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