diff --git a/media/tests/ScoAudioTest/Android.mk b/media/tests/ScoAudioTest/Android.mk
new file mode 100755
index 0000000..ab12865
--- /dev/null
+++ b/media/tests/ScoAudioTest/Android.mk
@@ -0,0 +1,12 @@
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+#LOCAL_SDK_VERSION := current
+
+LOCAL_MODULE_TAGS := tests
+
+LOCAL_SRC_FILES := $(call all-subdir-java-files)
+
+LOCAL_PACKAGE_NAME := scoaudiotest
+
+include $(BUILD_PACKAGE)
diff --git a/media/tests/ScoAudioTest/AndroidManifest.xml b/media/tests/ScoAudioTest/AndroidManifest.xml
new file mode 100755
index 0000000..8ff973e
--- /dev/null
+++ b/media/tests/ScoAudioTest/AndroidManifest.xml
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2010 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.
+-->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.android.scoaudiotest">
+   
+   <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
+   <uses-permission android:name="android.permission.RECORD_AUDIO" />
+   <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+   <uses-permission android:name="android.permission.BROADCAST_STICKY" />
+   <uses-permission android:name="android.permission.BLUETOOTH" />
+        
+   <application>    
+        <activity android:label="@string/app_name"
+                android:name="ScoAudioTest">         
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+        
+    </application>   
+</manifest>
diff --git a/media/tests/ScoAudioTest/res/drawable/icon.png b/media/tests/ScoAudioTest/res/drawable/icon.png
new file mode 100755
index 0000000..64e3601
--- /dev/null
+++ b/media/tests/ScoAudioTest/res/drawable/icon.png
Binary files differ
diff --git a/media/tests/ScoAudioTest/res/drawable/record.png b/media/tests/ScoAudioTest/res/drawable/record.png
new file mode 100755
index 0000000..ae518d5
--- /dev/null
+++ b/media/tests/ScoAudioTest/res/drawable/record.png
Binary files differ
diff --git a/media/tests/ScoAudioTest/res/drawable/stop.png b/media/tests/ScoAudioTest/res/drawable/stop.png
new file mode 100755
index 0000000..83f012c
--- /dev/null
+++ b/media/tests/ScoAudioTest/res/drawable/stop.png
Binary files differ
diff --git a/media/tests/ScoAudioTest/res/layout/scoaudiotest.xml b/media/tests/ScoAudioTest/res/layout/scoaudiotest.xml
new file mode 100755
index 0000000..b769a0c
--- /dev/null
+++ b/media/tests/ScoAudioTest/res/layout/scoaudiotest.xml
@@ -0,0 +1,181 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2009 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.
+-->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="fill_parent"
+    android:layout_height="fill_parent"
+    android:orientation="vertical">
+            
+    <LinearLayout
+        android:layout_width="fill_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical">
+
+        <LinearLayout android:id="@+id/playPause1Frame"
+            android:orientation="horizontal"
+            android:layout_width="fill_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginLeft="10dip"
+            android:layout_marginTop="3dip"
+            android:layout_marginRight="10dip"
+            android:layout_marginBottom="3dip" >
+
+            <TextView android:id="@+id/playPause1Text"
+                android:layout_width="fill_parent"
+                android:layout_height="fill_parent"
+                android:layout_weight="1.0"
+                android:text="@string/playback_name"
+                android:layout_gravity="center_vertical|left"
+                style="@android:style/TextAppearance.Medium" />
+
+            <ImageButton android:id="@+id/stop1"
+                android:layout_width="wrap_content"
+                android:layout_height="fill_parent"
+                android:layout_gravity="center_vertical|right"
+                android:layout_weight="0.0"
+                android:src="@drawable/stop"/>
+
+             <ImageButton android:id="@+id/playPause1"
+                android:layout_width="wrap_content"
+                android:layout_height="fill_parent"
+                android:layout_gravity="center_vertical|right"
+                android:layout_weight="0.0"
+                android:src="@android:drawable/ic_media_play"/>
+
+        </LinearLayout>
+
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="fill_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical">
+
+        <LinearLayout android:id="@+id/record1Frame"
+            android:orientation="horizontal"
+            android:layout_width="fill_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginLeft="10dip"
+            android:layout_marginTop="3dip"
+            android:layout_marginRight="10dip"
+            android:layout_marginBottom="3dip" >
+
+            <TextView android:id="@+id/record1Text"
+                android:layout_width="fill_parent"
+                android:layout_height="fill_parent"
+                android:layout_weight="1.0"
+                android:text="@string/record_name"
+                android:layout_gravity="center_vertical|left"
+                style="@android:style/TextAppearance.Medium" />
+
+            <ImageButton android:id="@+id/recStop1"
+                android:layout_width="wrap_content"
+                android:layout_height="fill_parent"
+                android:layout_gravity="center_vertical|right"
+                android:layout_weight="0.0"
+                android:src="@drawable/record"/>
+        </LinearLayout>
+
+    </LinearLayout>
+        
+    <LinearLayout
+        android:layout_width="fill_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical">
+    
+        <LinearLayout android:id="@+id/forceFrame"
+            android:orientation="horizontal"
+            android:layout_width="fill_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginLeft="10dip"
+            android:layout_marginTop="3dip"
+            android:layout_marginRight="10dip"
+            android:layout_marginBottom="3dip" >
+                       
+            <ToggleButton android:id="@+id/ForceScoButton"
+                    android:layout_width="wrap_content"
+                    android:layout_height="fill_parent"
+                    android:layout_gravity="center_vertical|left"
+                    android:layout_weight="0.0"
+                    android:textOff="@string/force_sco_off"
+                    android:textOn="@string/force_sco_on" />
+                     
+            <TextView android:id="@+id/scoStateTxt"
+                    android:layout_width="fill_parent"
+                    android:layout_height="fill_parent"
+                    android:layout_weight="1.0"
+                    android:layout_gravity="center_vertical|right"
+                    style="@android:style/TextAppearance.Medium" />
+        </LinearLayout>
+        <CheckBox
+            android:id="@+id/useSecondAudioManager"
+            android:layout_width="fill_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/audiomanagertwo" />
+            
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="fill_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical">
+
+        <LinearLayout android:id="@+id/voiceDialerFrame"
+            android:orientation="horizontal"
+              android:layout_width="fill_parent"
+              android:layout_height="wrap_content"
+              android:layout_marginLeft="10dip"
+              android:layout_marginTop="3dip"
+              android:layout_marginRight="10dip"
+              android:layout_marginBottom="3dip" >
+                       
+               <ToggleButton android:id="@+id/VoiceDialerButton"
+                     android:layout_width="wrap_content"
+                     android:layout_height="fill_parent"
+                     android:layout_gravity="center_vertical|left"
+                     android:layout_weight="0.0"
+                     android:textOff="@string/vd_off"
+                     android:textOn="@string/vd_on" />
+                     
+              <TextView android:id="@+id/vdStateTxt"
+                      android:layout_width="fill_parent"
+                      android:layout_height="fill_parent"
+                      android:layout_weight="1.0"
+                      android:layout_gravity="center_vertical|right"
+                      style="@android:style/TextAppearance.Medium" />
+                     
+        </LinearLayout>
+
+    </LinearLayout>
+
+    <EditText android:id="@+id/speakTextEdit"
+        android:layout_width="fill_parent"
+        android:layout_height="wrap_content" />
+        
+    <ToggleButton android:id="@+id/TtsToFileButton"
+       android:layout_width="wrap_content"
+       android:layout_height="wrap_content"
+       android:textOff="@string/tts_speak"
+       android:textOn="@string/tts_to_file" />
+        
+        
+  <Spinner android:id="@+id/modeSpinner"
+              android:layout_width="fill_parent"
+              android:layout_height="wrap_content"
+              android:drawSelectorOnTop="true"
+   />
+        
+</LinearLayout>
diff --git a/media/tests/ScoAudioTest/res/raw/sine440_mo_16b_16k.wav b/media/tests/ScoAudioTest/res/raw/sine440_mo_16b_16k.wav
new file mode 100644
index 0000000..2538b4d6
--- /dev/null
+++ b/media/tests/ScoAudioTest/res/raw/sine440_mo_16b_16k.wav
Binary files differ
diff --git a/media/tests/ScoAudioTest/res/values/strings.xml b/media/tests/ScoAudioTest/res/values/strings.xml
new file mode 100755
index 0000000..c3ff6d5
--- /dev/null
+++ b/media/tests/ScoAudioTest/res/values/strings.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="app_name">Sco Audio Test</string>
+    <string name="playback_name">Playback</string>
+    <string name="record_name">Record</string>    
+    <string name="force_sco_off">NO SCO</string>
+    <string name="force_sco_on">USE SCO</string>
+    <string name="vd_off">Start Voice Dialer</string>
+    <string name="vd_on">Voice Dialer On</string>
+    <string name="tts_speak">Speak TTS</string>
+    <string name="tts_to_file">TTS to file</string>
+    <string name="audiomanagertwo">Use different AudioManager for starting SCO</string>
+    
+</resources>
diff --git a/media/tests/ScoAudioTest/src/com/android/scoaudiotest/ScoAudioTest.java b/media/tests/ScoAudioTest/src/com/android/scoaudiotest/ScoAudioTest.java
new file mode 100644
index 0000000..fe3929d
--- /dev/null
+++ b/media/tests/ScoAudioTest/src/com/android/scoaudiotest/ScoAudioTest.java
@@ -0,0 +1,700 @@
+/*
+ * Copyright (C) 2009 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 com.android.scoaudiotest;
+
+import android.app.Activity;
+import android.bluetooth.BluetoothAdapter;
+import android.bluetooth.BluetoothDevice;
+import android.bluetooth.BluetoothHeadset;
+import android.bluetooth.BluetoothProfile;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.content.res.AssetFileDescriptor;
+import android.media.AudioManager;
+import android.media.MediaPlayer;
+import android.media.MediaRecorder;
+import android.os.Bundle;
+import android.os.Environment;
+import android.os.Handler;
+import android.speech.tts.TextToSpeech;
+import android.speech.tts.TextToSpeech.OnUtteranceCompletedListener;
+import android.util.Log;
+import android.view.KeyEvent;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.ArrayAdapter;
+import android.widget.CheckBox;
+import android.widget.CompoundButton;
+import android.widget.CompoundButton.OnCheckedChangeListener;
+import android.widget.EditText;
+import android.widget.ImageButton;
+import android.widget.ImageView;
+import android.widget.Spinner;
+import android.widget.TextView;
+import android.widget.ToggleButton;
+
+import java.io.File;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Locale;
+
+public class ScoAudioTest extends Activity {
+
+    final static String TAG = "ScoAudioTest";
+    
+    AudioManager mAudioManager;
+    AudioManager mAudioManager2;
+    boolean mForceScoOn;
+    ToggleButton mScoButton;
+    ToggleButton mVoiceDialerButton;
+    boolean mVoiceDialerOn;
+    String mLastRecordedFile;
+    SimpleMediaController mMediaControllers[] = new SimpleMediaController[2];
+    private TextToSpeech mTts;
+    private HashMap<String, String> mTtsParams;
+    private int mOriginalVoiceVolume;
+    EditText mSpeakText;
+    boolean mTtsInited;
+    private Handler mHandler;
+    private static final String UTTERANCE = "utterance";
+    private static Intent sVoiceCommandIntent;
+    private File mSampleFile;
+    ToggleButton mTtsToFileButton;
+    private boolean mTtsToFile;
+    private int mCurrentMode;
+    Spinner mModeSpinner;
+    private BluetoothHeadset mBluetoothHeadset;
+    private BluetoothDevice mBluetoothHeadsetDevice;
+    TextView mScoStateTxt;
+    TextView mVdStateTxt;
+    
+    private final BroadcastReceiver mReceiver = new ScoBroadcastReceiver();
+
+    public ScoAudioTest() {
+        Log.e(TAG, "contructor");
+    }
+        
+    /** Called when the activity is first created. */
+    @Override
+    public void onCreate(Bundle icicle) {
+        super.onCreate(icicle);
+        
+        setContentView(R.layout.scoaudiotest);
+
+        mScoStateTxt = (TextView) findViewById(R.id.scoStateTxt);
+        mVdStateTxt = (TextView) findViewById(R.id.vdStateTxt);
+
+        IntentFilter intentFilter =
+            new IntentFilter(BluetoothHeadset.ACTION_AUDIO_STATE_CHANGED);
+        intentFilter.addAction(AudioManager.ACTION_SCO_AUDIO_STATE_CHANGED);
+        intentFilter.addAction(AudioManager.ACTION_SCO_AUDIO_STATE_UPDATED);
+        registerReceiver(mReceiver, intentFilter);
+
+        mAudioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
+        mAudioManager2 = (AudioManager) getApplicationContext().getSystemService(Context.AUDIO_SERVICE);
+        mHandler = new Handler();
+        
+        mMediaControllers[0] = new SimplePlayerController(this, R.id.playPause1, R.id.stop1,
+                R.raw.sine440_mo_16b_16k, AudioManager.STREAM_BLUETOOTH_SCO);
+        TextView name = (TextView) findViewById(R.id.playPause1Text);
+        name.setText("VOICE_CALL stream");
+        
+        mScoButton = (ToggleButton)findViewById(R.id.ForceScoButton);
+        mScoButton.setOnCheckedChangeListener(mForceScoChanged);
+        mForceScoOn = false;
+        mScoButton.setChecked(mForceScoOn);
+
+        mVoiceDialerButton = (ToggleButton)findViewById(R.id.VoiceDialerButton);
+        mVoiceDialerButton.setOnCheckedChangeListener(mVoiceDialerChanged);
+        mVoiceDialerOn = false;
+        mVoiceDialerButton.setChecked(mVoiceDialerOn);
+
+        
+        mMediaControllers[1] = new SimpleRecordController(this, R.id.recStop1, 0, "Sco_record_");
+        mTtsInited = false;
+        mTts = new TextToSpeech(this, new TtsInitListener());
+        mTtsParams = new HashMap<String, String>();
+        mTtsParams.put(TextToSpeech.Engine.KEY_PARAM_STREAM,
+                String.valueOf(AudioManager.STREAM_BLUETOOTH_SCO));
+        mTtsParams.put(TextToSpeech.Engine.KEY_PARAM_UTTERANCE_ID,
+                UTTERANCE);
+
+        mSpeakText = (EditText) findViewById(R.id.speakTextEdit);        
+        mSpeakText.setOnKeyListener(mSpeakKeyListener);
+        mSpeakText.setText("sco audio test sentence");
+        mTtsToFileButton = (ToggleButton)findViewById(R.id.TtsToFileButton);
+        mTtsToFileButton.setOnCheckedChangeListener(mTtsToFileChanged);
+        mTtsToFile = true;
+        mTtsToFileButton.setChecked(mTtsToFile);
+
+        mModeSpinner = (Spinner) findViewById(R.id.modeSpinner);
+        ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
+                android.R.layout.simple_spinner_item, mModeStrings);
+        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+        mModeSpinner.setAdapter(adapter);
+        mModeSpinner.setOnItemSelectedListener(mModeChanged);
+        mCurrentMode = mAudioManager.getMode();
+        mModeSpinner.setSelection(mCurrentMode);
+
+        mBluetoothHeadsetDevice = null;
+        BluetoothAdapter btAdapter = BluetoothAdapter.getDefaultAdapter();
+        if (btAdapter != null) {
+            btAdapter.getProfileProxy(this, mBluetoothProfileServiceListener,
+                                    BluetoothProfile.HEADSET);
+        }
+
+        sVoiceCommandIntent = new Intent(Intent.ACTION_VOICE_COMMAND);
+        sVoiceCommandIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+        mTts.shutdown();
+        unregisterReceiver(mReceiver);
+        if (mBluetoothHeadset != null) {
+            BluetoothAdapter btAdapter = BluetoothAdapter.getDefaultAdapter();
+            if (btAdapter != null) {
+                btAdapter.closeProfileProxy(BluetoothProfile.HEADSET, mBluetoothHeadset);
+            }
+        }
+    }
+    
+    @Override
+    protected void onPause() {
+        super.onPause();
+//        mForceScoOn = false;
+//        mScoButton.setChecked(mForceScoOn);
+        mMediaControllers[0].stop();        
+        mMediaControllers[1].stop();
+        mAudioManager.setStreamVolume(AudioManager.STREAM_BLUETOOTH_SCO,
+                mOriginalVoiceVolume, 0);
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+        mLastRecordedFile = "";
+        mMediaControllers[0].mFileName = "";
+        mOriginalVoiceVolume = mAudioManager.getStreamVolume(
+                AudioManager.STREAM_BLUETOOTH_SCO);
+        setVolumeControlStream(AudioManager.STREAM_BLUETOOTH_SCO);
+        mCurrentMode = mAudioManager.getMode();
+        mModeSpinner.setSelection(mCurrentMode);
+    }
+
+    private OnCheckedChangeListener mForceScoChanged
+    = new OnCheckedChangeListener(){
+        @Override
+        public void onCheckedChanged(CompoundButton buttonView,
+                boolean isChecked) {
+            if (mForceScoOn != isChecked) {
+                mForceScoOn = isChecked;
+                AudioManager mngr = mAudioManager;
+                CheckBox box = (CheckBox) findViewById(R.id.useSecondAudioManager);
+                if (box.isChecked()) {
+                    Log.i(TAG, "Using 2nd audio manager");
+                    mngr = mAudioManager2;
+                }
+
+                if (mForceScoOn) {
+                    Log.e(TAG, "startBluetoothSco() IN");
+                    mngr.startBluetoothSco();
+                    Log.e(TAG, "startBluetoothSco() OUT");
+                } else {
+                    Log.e(TAG, "stopBluetoothSco() IN");
+                    mngr.stopBluetoothSco();
+                    Log.e(TAG, "stopBluetoothSco() OUT");
+                }
+            }
+        }
+    };
+
+    private OnCheckedChangeListener mVoiceDialerChanged
+    = new OnCheckedChangeListener(){
+        @Override
+        public void onCheckedChanged(CompoundButton buttonView,
+                boolean isChecked) {
+            if (mVoiceDialerOn != isChecked) {
+                mVoiceDialerOn = isChecked;
+                if (mBluetoothHeadset != null && mBluetoothHeadsetDevice != null) {
+                    if (mVoiceDialerOn) {
+                        mBluetoothHeadset.startVoiceRecognition(mBluetoothHeadsetDevice);
+                    } else {
+                        mBluetoothHeadset.stopVoiceRecognition(mBluetoothHeadsetDevice);                        
+                    }
+                }
+            }
+        }
+    };
+
+    private OnCheckedChangeListener mTtsToFileChanged
+    = new OnCheckedChangeListener(){
+        @Override
+        public void onCheckedChanged(CompoundButton buttonView,
+                boolean isChecked) {
+            mTtsToFile = isChecked;
+        }
+    };
+
+    private class SimpleMediaController implements OnClickListener {
+        int mPlayPauseButtonId;
+        int mStopButtonId;
+        Context mContext;
+        ImageView mPlayPauseButton;
+        int mPlayImageResource;
+        int mPauseImageResource;
+        String mFileNameBase;
+        String mFileName;
+        int mFileResId;
+        
+        SimpleMediaController(Context context, int playPausebuttonId, int stopButtonId, String fileName) {
+            mContext = context;
+            mPlayPauseButtonId = playPausebuttonId;
+            mStopButtonId = stopButtonId;
+            mFileNameBase = fileName;
+            mPlayPauseButton = (ImageButton) findViewById(playPausebuttonId);
+            ImageButton stop = (ImageButton) findViewById(stopButtonId);
+
+            mPlayPauseButton.setOnClickListener(this);
+            mPlayPauseButton.requestFocus();
+            if (stop != null) {
+                stop.setOnClickListener(this);
+            }
+        }
+
+        SimpleMediaController(Context context, int playPausebuttonId, int stopButtonId, int fileResId) {
+            mContext = context;
+            mPlayPauseButtonId = playPausebuttonId;
+            mStopButtonId = stopButtonId;
+            mFileNameBase = "";
+            mFileResId = fileResId;
+            mPlayPauseButton = (ImageButton) findViewById(playPausebuttonId);
+            ImageButton stop = (ImageButton) findViewById(stopButtonId);
+
+            mPlayPauseButton.setOnClickListener(this);
+            mPlayPauseButton.requestFocus();
+            if (stop != null) {
+                stop.setOnClickListener(this);
+            }
+        }
+
+        @Override
+        public void onClick(View v) {
+            if (v.getId() == mPlayPauseButtonId) {
+                playOrPause();
+            } else if (v.getId() == mStopButtonId) {
+                stop();
+            }
+        }
+        
+        public void playOrPause() {
+        }
+        
+        public void stop() {
+        }
+
+        public boolean isPlaying() {
+            return false;
+        }
+
+        public void updatePlayPauseButton() {
+            mPlayPauseButton.setImageResource(isPlaying() ? mPauseImageResource : mPlayImageResource);
+        }
+    }
+    
+    private class SimplePlayerController extends SimpleMediaController {
+        private MediaPlayer mMediaPlayer;
+        private int mStreamType;
+        SimplePlayerController(Context context, int playPausebuttonId, int stopButtonId, String fileName, int stream) {
+            super(context, playPausebuttonId, stopButtonId, fileName);
+            
+            mPlayImageResource = android.R.drawable.ic_media_play;
+            mPauseImageResource = android.R.drawable.ic_media_pause;
+            mStreamType = stream;
+            mFileName = Environment.getExternalStorageDirectory().toString() + "/music/" +
+                        mFileNameBase + "_" + ".wav";
+        }
+
+        SimplePlayerController(Context context, int playPausebuttonId, int stopButtonId, int fileResId, int stream) {
+            super(context, playPausebuttonId, stopButtonId, fileResId);
+            
+            mPlayImageResource = android.R.drawable.ic_media_play;
+            mPauseImageResource = android.R.drawable.ic_media_pause;
+            mStreamType = stream;
+            mFileName = "";
+        }
+
+        @Override
+        public void playOrPause() {
+            Log.e(TAG, "playOrPause playing: "+((mMediaPlayer == null)?false:!mMediaPlayer.isPlaying())+
+                    " mMediaPlayer: "+mMediaPlayer+
+                    " mFileName: "+mFileName+
+                    " mLastRecordedFile: "+mLastRecordedFile);
+            if (mMediaPlayer == null || !mMediaPlayer.isPlaying()){
+                if (mMediaPlayer == null) {
+                    if (mFileName != mLastRecordedFile) {
+                        mFileName = mLastRecordedFile;
+                        Log.e(TAG, "new recorded file: "+mFileName);
+                    }
+                    try {
+                        mMediaPlayer = new MediaPlayer();
+                        if (mFileName.equals("")) {
+                            Log.e(TAG, "Playing from resource");
+                            AssetFileDescriptor afd = mContext.getResources().openRawResourceFd(mFileResId);
+                            mMediaPlayer.setDataSource(afd.getFileDescriptor(), afd.getStartOffset(), afd.getLength());
+                            afd.close();
+                        } else {
+                            Log.e(TAG, "Playing file: "+mFileName);
+                            mMediaPlayer.setDataSource(mFileName);
+                        }
+                        mMediaPlayer.setAudioStreamType(mStreamType);
+                        mMediaPlayer.prepare();
+                        mMediaPlayer.setLooping(true);
+                    } catch (Exception ex) {
+                        Log.e(TAG, "mMediaPlayercreate failed:", ex);
+                        mMediaPlayer.release();
+                        mMediaPlayer = null;
+                    }
+
+                    if (mMediaPlayer != null) {
+                        mMediaPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
+                            @Override
+                            public void onCompletion(MediaPlayer mp) {
+                                updatePlayPauseButton();
+                            }
+                        });
+                    }
+                }
+                if (mMediaPlayer != null) {
+                    mMediaPlayer.start();
+                }
+            } else {
+                mMediaPlayer.pause();
+            }
+            updatePlayPauseButton();
+        }
+        @Override
+        public void stop() {
+            if (mMediaPlayer != null) {
+                mMediaPlayer.stop();
+                mMediaPlayer.release();
+                mMediaPlayer = null;
+            }
+            updatePlayPauseButton();
+        }
+        
+        @Override
+        public boolean isPlaying() {
+            if (mMediaPlayer != null) {
+                return mMediaPlayer.isPlaying();
+            } else {
+                return false;                
+            }
+        }
+    }
+    
+    private class SimpleRecordController extends SimpleMediaController {
+        private MediaRecorder mMediaRecorder;
+        private int mFileCount = 0;
+        private int mState = 0;
+        SimpleRecordController(Context context, int playPausebuttonId, int stopButtonId, String fileName) {
+            super(context, playPausebuttonId, stopButtonId, fileName);
+            Log.e(TAG, "SimpleRecordController cstor");
+            mPlayImageResource = R.drawable.record;
+            mPauseImageResource = R.drawable.stop;
+        }
+       
+        @Override
+        public void playOrPause() {
+            if (mState == 0) {
+                setup();
+                try {
+                    mMediaRecorder.start();
+                    mState = 1;
+                } catch (Exception e) {
+                    Log.e(TAG, "Could start MediaRecorder: " + e.toString());
+                    mMediaRecorder.release();
+                    mMediaRecorder = null;
+                    mState = 0;
+                }
+            } else {
+                try {
+                    mMediaRecorder.stop();
+                    mMediaRecorder.reset();
+                } catch (Exception e) {
+                    Log.e(TAG, "Could not stop MediaRecorder: " + e.toString());
+                    mMediaRecorder.release();
+                    mMediaRecorder = null;
+                } finally {
+                    mState = 0;
+                }
+            }
+            updatePlayPauseButton();
+        }
+
+        public void setup() {
+            Log.e(TAG, "SimpleRecordController setup()");
+            if (mMediaRecorder == null) {
+                mMediaRecorder = new MediaRecorder();
+            }
+            mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
+            mMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
+            mMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
+            mFileName = Environment.getExternalStorageDirectory().toString() + "/music/" +
+                        mFileNameBase + "_" + ++mFileCount + ".amr";
+            mLastRecordedFile = mFileName;
+            Log.e(TAG, "recording to file: "+mLastRecordedFile);
+            mMediaRecorder.setOutputFile(mFileName);
+            try {
+                mMediaRecorder.prepare();
+            }
+            catch (Exception e) {
+                Log.e(TAG, "Could not prepare MediaRecorder: " + e.toString());
+                mMediaRecorder.release();
+                mMediaRecorder = null;
+            }
+        }
+        
+        @Override
+        public void stop() {
+            if (mMediaRecorder != null) {
+                mMediaRecorder.stop();
+                mMediaRecorder.release();
+                mMediaRecorder = null;
+            }
+            updatePlayPauseButton();
+        }
+
+        @Override
+        public boolean isPlaying() {
+            if (mState == 1) {
+                return true;
+            } else {
+                return false;                
+            }
+        }
+    }
+    
+    class TtsInitListener implements TextToSpeech.OnInitListener {
+        @Override
+        public void onInit(int status) {
+            // status can be either TextToSpeech.SUCCESS or TextToSpeech.ERROR.
+            Log.e(TAG, "onInit for tts");
+            if (status != TextToSpeech.SUCCESS) {
+                // Initialization failed.
+                Log.e(TAG, "Could not initialize TextToSpeech.");
+                return;
+            }
+
+            if (mTts == null) {
+                Log.e(TAG, "null tts");
+                return;
+            }
+
+            int result = mTts.setLanguage(Locale.US);
+            if (result == TextToSpeech.LANG_MISSING_DATA ||
+                result == TextToSpeech.LANG_NOT_SUPPORTED) {
+               // Lanuage data is missing or the language is not supported.
+                Log.e(TAG, "Language is not available.");
+                return;
+            }
+            mTts.setOnUtteranceCompletedListener(new MyUtteranceCompletedListener(UTTERANCE));
+            mTtsInited = true;
+         }
+    }
+
+    class MyUtteranceCompletedListener implements OnUtteranceCompletedListener {
+        private final String mExpectedUtterance;
+        
+        public MyUtteranceCompletedListener(String expectedUtteranceId) {
+            mExpectedUtterance = expectedUtteranceId;
+        }
+        
+        @Override
+        public void onUtteranceCompleted(String utteranceId) {
+            Log.e(TAG, "onUtteranceCompleted " + utteranceId);
+            if (mTtsToFile) {
+                if (mSampleFile != null && mSampleFile.exists()) {
+                    MediaPlayer mediaPlayer = new MediaPlayer();
+                    try {
+                        mediaPlayer.setDataSource(mSampleFile.getPath());
+                        mediaPlayer.setAudioStreamType(AudioManager.STREAM_BLUETOOTH_SCO);
+                        mediaPlayer.prepare();
+                    } catch (Exception ex) {
+                        Log.e(TAG, "mMediaPlayercreate failed:", ex);
+                        mediaPlayer.release();
+                        mediaPlayer = null;
+                    }
+    
+                    if (mediaPlayer != null) {
+                        mediaPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
+                            @Override
+                            public void onCompletion(MediaPlayer mp) {
+                                mp.release();
+                                if (mSampleFile != null && mSampleFile.exists()) {
+                                    mSampleFile.delete();
+                                    mSampleFile = null;
+                                }
+                              mAudioManager.setStreamVolume(AudioManager.STREAM_BLUETOOTH_SCO,
+                              mOriginalVoiceVolume, 0);
+//                              Debug.stopMethodTracing();
+                            }
+                        });
+                        mediaPlayer.start();
+                    }
+                } else {
+                    Log.e(TAG, "synthesizeToFile did not create file");
+                }
+            } else {
+                mAudioManager.setStreamVolume(AudioManager.STREAM_BLUETOOTH_SCO,
+                        mOriginalVoiceVolume, 0);
+//                Debug.stopMethodTracing();
+            }
+            
+            Log.e(TAG, "end speak, volume: "+mOriginalVoiceVolume);
+        }
+    }
+
+    
+    private View.OnKeyListener mSpeakKeyListener
+    = new View.OnKeyListener() {
+        @Override
+        public boolean onKey(View v, int keyCode, KeyEvent event) {
+            if (event.getAction() == KeyEvent.ACTION_DOWN) {
+                switch (keyCode) {
+                    case KeyEvent.KEYCODE_DPAD_CENTER:
+                    case KeyEvent.KEYCODE_ENTER:
+                        if (!mTtsInited) {
+                            Log.e(TAG, "Tts not inited ");
+                            return false;
+                        }
+                        mOriginalVoiceVolume = mAudioManager.getStreamVolume(
+                                AudioManager.STREAM_BLUETOOTH_SCO);
+                        Log.e(TAG, "start speak, volume: "+mOriginalVoiceVolume);
+                        mAudioManager.setStreamVolume(AudioManager.STREAM_BLUETOOTH_SCO,
+                                mOriginalVoiceVolume/2, 0);
+
+                        // we now have SCO connection and TTS, so we can start.
+                        mHandler.post(new Runnable() {
+                            @Override
+                            public void run() {
+//                                Debug.startMethodTracing("tts");
+
+                                if (mTtsToFile) {
+                                    if (mSampleFile != null && mSampleFile.exists()) {
+                                        mSampleFile.delete();
+                                        mSampleFile = null;
+                                    }
+                                    mSampleFile = new File(Environment.getExternalStorageDirectory(), "mytts.wav");
+                                    mTts.synthesizeToFile(mSpeakText.getText().toString(), mTtsParams, mSampleFile.getPath());
+                                } else {
+                                    mTts.speak(mSpeakText.getText().toString(),
+                                        TextToSpeech.QUEUE_FLUSH,
+                                        mTtsParams);
+                                }
+                            }
+                        });
+                        return true;
+                }
+            }
+            return false;
+        }
+    };
+    
+    private static final String[] mModeStrings = {
+        "NORMAL", "RINGTONE", "IN_CALL", "IN_COMMUNICATION"
+    };
+    
+    private Spinner.OnItemSelectedListener mModeChanged
+        = new Spinner.OnItemSelectedListener() {
+        @Override
+        public void onItemSelected(android.widget.AdapterView av, View v,
+                    int position, long id) {
+            if (mCurrentMode != position) {
+                mCurrentMode = position;
+                mAudioManager.setMode(mCurrentMode);
+            }
+        }
+        
+        @Override
+        public void onNothingSelected(android.widget.AdapterView av) {
+        }
+    };
+
+    private BluetoothProfile.ServiceListener mBluetoothProfileServiceListener =
+        new BluetoothProfile.ServiceListener() {
+        @Override
+        public void onServiceConnected(int profile, BluetoothProfile proxy) {
+            mBluetoothHeadset = (BluetoothHeadset) proxy;
+            List<BluetoothDevice> deviceList = mBluetoothHeadset.getConnectedDevices();
+            if (deviceList.size() > 0) {
+                mBluetoothHeadsetDevice = deviceList.get(0);
+            } else {
+                mBluetoothHeadsetDevice = null;
+            }
+        }
+        @Override
+        public void onServiceDisconnected(int profile) {
+            if (mBluetoothHeadset != null) {
+                List<BluetoothDevice> devices = mBluetoothHeadset.getConnectedDevices();
+                if (devices.size() == 0) {
+                    mBluetoothHeadsetDevice = null;
+                }
+                mBluetoothHeadset = null;
+            }
+        }
+    };
+
+    private int mChangedState = -1;
+    private int mUpdatedState = -1;
+    private int mUpdatedPrevState = -1;
+    
+    private class ScoBroadcastReceiver extends BroadcastReceiver {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            String action = intent.getAction();
+
+            if (action.equals(BluetoothHeadset.ACTION_AUDIO_STATE_CHANGED)) {
+                int state = intent.getIntExtra(BluetoothProfile.EXTRA_STATE, -1);
+                mVdStateTxt.setText(Integer.toString(state));
+                Log.e(TAG, "BluetoothHeadset.ACTION_AUDIO_STATE_CHANGED: "+state);
+            } else if (action.equals(AudioManager.ACTION_SCO_AUDIO_STATE_CHANGED)) {
+                mChangedState = intent.getIntExtra(AudioManager.EXTRA_SCO_AUDIO_STATE, -1);
+                Log.e(TAG, "ACTION_SCO_AUDIO_STATE_CHANGED: "+mChangedState);
+                mScoStateTxt.setText("changed: "+Integer.toString(mChangedState)+ 
+                        " updated: "+Integer.toString(mUpdatedState)+
+                        " prev updated: "+Integer.toString(mUpdatedPrevState));
+            } else if (action.equals(AudioManager.ACTION_SCO_AUDIO_STATE_UPDATED)) {
+                mUpdatedState = intent.getIntExtra(AudioManager.EXTRA_SCO_AUDIO_STATE, -1);
+                mUpdatedPrevState = intent.getIntExtra(AudioManager.EXTRA_SCO_AUDIO_PREVIOUS_STATE, -1);
+                Log.e(TAG, "ACTION_SCO_AUDIO_STATE_UPDATED, state: "+mUpdatedState+" prev state: "+mUpdatedPrevState);
+                mScoStateTxt.setText("changed: "+Integer.toString(mChangedState)+ 
+                        " updated: "+Integer.toString(mUpdatedState)+
+                        " prev updated: "+Integer.toString(mUpdatedPrevState));
+                if (mForceScoOn && mUpdatedState == AudioManager.SCO_AUDIO_STATE_DISCONNECTED) {
+                    mForceScoOn = false;
+                    mScoButton.setChecked(mForceScoOn);
+                    mAudioManager.stopBluetoothSco();
+                }
+            }
+        }
+    }
+
+}