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/*
* Copyright (C) 2014 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.tv;
import android.net.Uri;
import android.view.Surface;
/**
* The TvInputSession provides the per-session functionality of TvInputService.
*/
public abstract class TvInputSession {
/**
* This method is called when the application would like to stop using the current input
* session.
*/
public void release() { }
/**
* Sets the {@link Surface} for the current input session on which the TV input renders video.
*
* @param surface {@link Surface} to be used for the video playback of this session.
*/
public void setSurface(Surface surface) { }
/**
* This method is called when the application needs to handle the change of audio focus by
* setting the relative volume of the current TV input service session.
*
* @param volume Volume scale from 0.0 to 1.0.
*/
// TODO: Remove this once it becomes irrelevant for applications to handle audio focus. The plan
// is to introduce some new concepts that will solve a number of problems in audio policy today.
public void setVolume(float volume) { }
/**
* Tunes to a given channel.
*
* @param channelUri The URI of the channel.
*/
public void tune(Uri channelUri) { }
}
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