SampleMediaButtonReceiver.java

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/*
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 * Copyright (C) 2013 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 com.example.android.mediarouter.player;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.view.KeyEvent;
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/**
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 * Broadcast receiver for handling ACTION_MEDIA_BUTTON.
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 *
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 * This is needed to create the RemoteControlClient for controlling
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 * remote route volume in lock screen. It routes media key events back
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 * to main app activity MainActivity.
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 */
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public class SampleMediaButtonReceiver extends BroadcastReceiver {
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    private static final String TAG = "SampleMediaButtonReceiver";
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    private static MainActivity mActivity;
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    public static void setActivity(MainActivity activity) {
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        mActivity = activity;
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    }
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    @Override
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    public void onReceive(Context context, Intent intent) {
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        if (mActivity != null && Intent.ACTION_MEDIA_BUTTON.equals(intent.getAction())) {
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            mActivity.handleMediaKey(
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                    (KeyEvent)intent.getParcelableExtra(Intent.EXTRA_KEY_EVENT));
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        }
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    }
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}