72 lines
3.1 KiB
Java
72 lines
3.1 KiB
Java
/*
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* Copyright (C) 2011 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.musicplayer;
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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.util.Log;
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import android.view.KeyEvent;
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import android.widget.Toast;
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/**
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* Receives broadcasted intents. In particular, we are interested in the
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* android.media.AUDIO_BECOMING_NOISY and android.intent.action.MEDIA_BUTTON intents, which is
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* broadcast, for example, when the user disconnects the headphones. This class works because we are
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* declaring it in a <receiver> tag in AndroidManifest.xml.
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*/
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public class MusicIntentReceiver extends BroadcastReceiver {
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@Override
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public void onReceive(Context context, Intent intent) {
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if (intent.getAction().equals(android.media.AudioManager.ACTION_AUDIO_BECOMING_NOISY)) {
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Toast.makeText(context, "Headphones disconnected.", Toast.LENGTH_SHORT).show();
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// send an intent to our MusicService to telling it to pause the audio
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context.startService(new Intent(MusicService.ACTION_PAUSE));
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} else if (intent.getAction().equals(Intent.ACTION_MEDIA_BUTTON)) {
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KeyEvent keyEvent = (KeyEvent) intent.getExtras().get(Intent.EXTRA_KEY_EVENT);
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if (keyEvent.getAction() != KeyEvent.ACTION_DOWN)
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return;
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switch (keyEvent.getKeyCode()) {
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case KeyEvent.KEYCODE_HEADSETHOOK:
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case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
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context.startService(new Intent(MusicService.ACTION_TOGGLE_PLAYBACK));
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break;
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case KeyEvent.KEYCODE_MEDIA_PLAY:
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context.startService(new Intent(MusicService.ACTION_PLAY));
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break;
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case KeyEvent.KEYCODE_MEDIA_PAUSE:
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context.startService(new Intent(MusicService.ACTION_PAUSE));
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break;
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case KeyEvent.KEYCODE_MEDIA_STOP:
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context.startService(new Intent(MusicService.ACTION_STOP));
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break;
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case KeyEvent.KEYCODE_MEDIA_NEXT:
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context.startService(new Intent(MusicService.ACTION_SKIP));
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break;
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case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
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// TODO: ensure that doing this in rapid succession actually plays the
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// previous song
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context.startService(new Intent(MusicService.ACTION_REWIND));
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break;
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}
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}
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}
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}
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