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PengService.java
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PengService.java
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/**
* Copyright (©) 2013, Manh Luong Bui
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1) Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.\n\n2) Redistributions in binary form must
* reproduce the above copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the distribution.
*
* 3) Neither the name of the Author nor the names of its contributors may be used to endorse
* or promote products derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*/
package com.luongbui.peng.android;
import java.util.List;
import java.util.UUID;
import android.app.*;
import android.content.*;
import android.content.pm.PackageManager;
import android.hardware.Camera;
import android.hardware.Camera.AutoFocusCallback;
import android.hardware.Camera.Parameters;
import android.media.AudioManager;
import android.media.Ringtone;
import android.media.RingtoneManager;
import android.os.*;
import android.preference.PreferenceManager;
import android.provider.Settings;
public class PengService extends Service
{
public static final UUID PENG_APP_UUID = UUID.fromString("895F9096-6D88-48B5-AFB7-EA0C92947E01");
public static final String SCREEN_ON_KEY = "com.luongbui.peng.android.SCREENVALUE";
public static final String OLD_VOLUME_KEY = "com.luongbui.peng.android.OLDVOLUME";
public static final String OLD_RINGER_KEY = "com.luongbui.peng.android.OLDRINGER";
public static final String FLASHLIGHT_KEY = "com.luongbui.peng.android.FLASHLIGHT";
static final int CMD_PENG = 0x00;
static final int CMD_PENG_START = 0x00;
static final int CMD_PENG_STOP = 0x01;
static final int CMD_VOLUME = 0x02;
static final int CMD_SCREEN = 0x03;
static final int CMD_SCREEN_ON = 0x04;
static final int CMD_SCREEN_OFF = 0x05;
static final int CMD_FLASHLIGHT = 0x06;
static final int CMD_FLASHLIGHT_CHECK = 0x07;
static final int CMD_FLASHLIGHT_ON = 0x08;
static final int CMD_FLASHLIGHT_OFF = 0x09;
static final int CMD_FLASHLIGHT_NOT_AVAILABLE = 0x0A;
static final int VOLUME_MAX = 100;
static final int VOLUME_MIN = 0;
private final ServiceBinder _binder = new ServiceBinder();
private int _oldVolume;
private int _oldRingerMode;
private PengComm _comm;
private Ringtone _ringtone;
private int _flashlight;
private Camera _cam;
@Override
public int onStartCommand(Intent intent, int flags, int startId)
{
if(_ringtone==null)
_ringtone = RingtoneManager.getRingtone(this, Settings.System.DEFAULT_RINGTONE_URI);
//Everytime, check that the Service is registered to only one receiver.
if (_comm != null)
{
unregisterReceiver(_comm);
_comm = null;
}
_comm = new PengComm(PENG_APP_UUID, this);
_cam = null;
//Check if there is the flashlight.
if(!getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA_FLASH))
_flashlight = CMD_FLASHLIGHT_NOT_AVAILABLE;
else
_flashlight = PreferenceManager.getDefaultSharedPreferences(this).getInt(FLASHLIGHT_KEY, CMD_FLASHLIGHT_OFF);
//Log.d("PengService", "Service started.");
//Let the OS restart it.
return Service.START_STICKY;
}
@Override
public void onDestroy()
{
//Turn off to release the camera pointer.
turnFlashlight(CMD_FLASHLIGHT_OFF);
//From the Peng watchapp point of view, is like the flashlight is not available anymore.
_comm.sendComm(PengService.CMD_FLASHLIGHT_CHECK, (byte)CMD_FLASHLIGHT_NOT_AVAILABLE);
//Release the ringtone.
stopRingtone();
_ringtone = null;
//Release the comm handler with the Pebble.
unregisterReceiver(_comm);
_comm = null;
}
@Override
public IBinder onBind(Intent intent)
{
return _binder;
}
public class ServiceBinder extends Binder
{
PengService getService()
{
return PengService.this;
}
}
public void playRingtone(int vol)
{
//If the ringtone is already playing, do nothing.
//This could happen in case of two consecutive Peng! with no Stop! in between.
if(_ringtone.isPlaying())
return;
saveOldVolumeAndRinger();
AudioManager audioManager = (AudioManager)getSystemService(Context.AUDIO_SERVICE);
int volIndex = PengService.VOLUME_MIN;
if(vol == PengService.VOLUME_MAX)
volIndex = audioManager.getStreamMaxVolume(AudioManager.STREAM_RING);
else
volIndex = ((vol * audioManager.getStreamMaxVolume(AudioManager.STREAM_RING)) / 100);
audioManager.setStreamVolume(AudioManager.STREAM_RING,
volIndex,
AudioManager.RINGER_MODE_NORMAL);
_ringtone.play();
}
public void turnScreen(boolean on)
{
Intent intent = new Intent(this, MainActivity.class);
intent.putExtra(SCREEN_ON_KEY, on);
intent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);
}
public void stopRingtone()
{
if(_ringtone!=null)
{
_ringtone.stop();
loadOldVolumeAndRinger();
//Signal Pebble that we stopped.
_comm.sendComm(CMD_PENG, (byte)CMD_PENG_STOP);
}
}
public int getFlashlightStatus()
{
return _flashlight;
}
public void turnFlashlight(int val)
{
if(_flashlight==CMD_FLASHLIGHT_NOT_AVAILABLE)
return;
_flashlight = val;
//Lazy init of camera pointer.
if(_cam==null)
_cam = Camera.open();
SharedPreferences.Editor editor = PreferenceManager.getDefaultSharedPreferences(this).edit();
editor.putInt(FLASHLIGHT_KEY, _flashlight);
editor.commit();
if(_flashlight==CMD_FLASHLIGHT_ON)
{
Parameters camParams = _cam.getParameters();
_cam.startPreview();
//Check all flashlight supported modes.
List<String> modes = camParams.getSupportedFlashModes();
if(modes.contains(Parameters.FLASH_MODE_TORCH))
camParams.setFlashMode(Parameters.FLASH_MODE_TORCH);
else
camParams.setFlashMode(Parameters.FLASH_MODE_ON);
_cam.setParameters(camParams);
_cam.autoFocus(new AutoFocusCallback()
{
@Override
public void onAutoFocus(boolean success, Camera camera)
{ }
});
}
else if(_flashlight==CMD_FLASHLIGHT_OFF)
{
_cam.stopPreview();
_cam.release();
_cam = null;
}
_comm.sendComm(PengService.CMD_FLASHLIGHT_CHECK, (byte)getFlashlightStatus());
}
private void saveOldVolumeAndRinger()
{
//Retrieve and save old volume level and ringer mode.
AudioManager audioManager = (AudioManager)getSystemService(Context.AUDIO_SERVICE);
int oldVolume = audioManager.getStreamVolume(AudioManager.STREAM_RING);
int oldRingerMode = audioManager.getRingerMode();
SharedPreferences.Editor editor = PreferenceManager.getDefaultSharedPreferences(this).edit();
editor.putInt(PengService.OLD_VOLUME_KEY, oldVolume);
editor.putInt(PengService.OLD_RINGER_KEY, oldRingerMode);
editor.commit();
android.util.Log.d("PengService", "Save Old volume: " + oldVolume + " Old ringer: " + oldRingerMode);
}
private void loadOldVolumeAndRinger()
{
Integer oldValue = PreferenceManager.getDefaultSharedPreferences(this).getInt(OLD_VOLUME_KEY, 0);
_oldVolume = oldValue.intValue();
oldValue = PreferenceManager.getDefaultSharedPreferences(this).getInt(OLD_RINGER_KEY, 0);
_oldRingerMode = oldValue.intValue();
AudioManager audioManager = (AudioManager)this.getSystemService(Context.AUDIO_SERVICE);
audioManager.setRingerMode(_oldRingerMode);
audioManager.setStreamVolume(AudioManager.STREAM_RING,
_oldVolume,
AudioManager.RINGER_MODE_NORMAL);
android.util.Log.d("PengService", "Load Old volume: " + _oldVolume + " Old ringer: " + _oldRingerMode);
}
}