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/*
* Copyright (C) 2011 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.soundrecorder;
import java.io.File;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import android.Manifest;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Intent;
import android.content.Context;
import android.content.DialogInterface;
import android.content.IntentFilter;
import android.content.BroadcastReceiver;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.content.pm.PackageManager;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.database.Cursor;
import android.media.AudioManager;
import android.media.MediaRecorder;
import android.media.AudioManager.OnAudioFocusChangeListener;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.os.PowerManager;
import android.os.StatFs;
import android.os.PowerManager.WakeLock;
import android.provider.MediaStore;
import android.util.Log;
import android.view.KeyEvent;
import android.view.View;
import android.widget.Button;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.telephony.PhoneStateListener;
import android.telephony.TelephonyManager;
import android.telephony.SubscriptionManager;
import android.media.AudioManager;
import android.view.inputmethod.InputMethodManager;
import android.os.SystemProperties;
/**
* Calculates remaining recording time based on available disk space and
* optionally a maximum recording file size.
*
* The reason why this is not trivial is that the file grows in blocks
* every few seconds or so, while we want a smooth countdown.
*/
class RemainingTimeCalculator {
public static final int UNKNOWN_LIMIT = 0;
public static final int FILE_SIZE_LIMIT = 1;
public static final int DISK_SPACE_LIMIT = 2;
// which of the two limits we will hit (or have fit) first
private int mCurrentLowerLimit = UNKNOWN_LIMIT;
private File mSDCardDirectory;
// State for tracking file size of recording.
private File mRecordingFile;
private long mMaxBytes;
// Rate at which the file grows
private int mBytesPerSecond;
// time at which number of free blocks last changed
private long mBlocksChangedTime;
// number of available blocks at that time
private long mLastBlocks;
// time at which the size of the file has last changed
private long mFileSizeChangedTime;
// size of the file at that time
private long mLastFileSize;
public RemainingTimeCalculator() {
mSDCardDirectory = Environment.getExternalStorageDirectory();
}
/**
* If called, the calculator will return the minimum of two estimates:
* how long until we run out of disk space and how long until the file
* reaches the specified size.
*
* @param file the file to watch
* @param maxBytes the limit
*/
public void setFileSizeLimit(File file, long maxBytes) {
mRecordingFile = file;
mMaxBytes = maxBytes;
}
/**
* Resets the interpolation.
*/
public void reset() {
mCurrentLowerLimit = UNKNOWN_LIMIT;
mBlocksChangedTime = -1;
mFileSizeChangedTime = -1;
}
/**
* Returns how long (in seconds) we can continue recording.
*/
public long timeRemaining() {
// Calculate how long we can record based on free disk space
StatFs fs = new StatFs(mSDCardDirectory.getAbsolutePath());
long blocks = fs.getAvailableBlocks();
long blockSize = fs.getBlockSize();
long now = System.currentTimeMillis();
if (mBlocksChangedTime == -1 || blocks != mLastBlocks) {
mBlocksChangedTime = now;
mLastBlocks = blocks;
}
/* The calculation below always leaves one free block, since free space
in the block we're currently writing to is not added. This
last block might get nibbled when we close and flush the file, but
we won't run out of disk. */
// at mBlocksChangedTime we had this much time
if (mBytesPerSecond == 0) {
mBytesPerSecond = 1;
}
long result = mLastBlocks*blockSize/mBytesPerSecond;
// so now we have this much time
result -= (now - mBlocksChangedTime)/1000;
if (mRecordingFile == null) {
mCurrentLowerLimit = DISK_SPACE_LIMIT;
return result;
}
// If we have a recording file set, we calculate a second estimate
// based on how long it will take us to reach mMaxBytes.
mRecordingFile = new File(mRecordingFile.getAbsolutePath());
long fileSize = mRecordingFile.length();
if (mFileSizeChangedTime == -1 || fileSize != mLastFileSize) {
mFileSizeChangedTime = now;
mLastFileSize = fileSize;
}
long result2 = (mMaxBytes - fileSize)/mBytesPerSecond;
result2 -= (now - mFileSizeChangedTime)/1000;
result2 -= 1; // just for safety
mCurrentLowerLimit = result < result2
? DISK_SPACE_LIMIT : FILE_SIZE_LIMIT;
return Math.min(result, result2);
}
/**
* Indicates which limit we will hit (or have hit) first, by returning one
* of FILE_SIZE_LIMIT or DISK_SPACE_LIMIT or UNKNOWN_LIMIT. We need this to
* display the correct message to the user when we hit one of the limits.
*/
public int currentLowerLimit() {
return mCurrentLowerLimit;
}
/**
* Is there any point of trying to start recording?
*/
public boolean diskSpaceAvailable() {
StatFs fs = new StatFs(mSDCardDirectory.getAbsolutePath());
// keep one free block
return fs.getAvailableBlocks() > 1;
}
/**
* Sets the bit rate used in the interpolation.
*
* @param bitRate the bit rate to set in bits/sec.
*/
public void setBitRate(int bitRate) {
mBytesPerSecond = bitRate/8;
}
}
public class SoundRecorder extends Activity
implements Button.OnClickListener, Recorder.OnStateChangedListener {
static final String TAG = "SoundRecorder";
static final String STATE_FILE_NAME = "soundrecorder.state";
static final String RECORDER_STATE_KEY = "recorder_state";
static final String SAMPLE_INTERRUPTED_KEY = "sample_interrupted";
static final String MAX_FILE_SIZE_KEY = "max_file_size";
static final String AUDIO_3GPP = "audio/3gpp";
static final String AUDIO_AMR = "audio/amr";
static final String AUDIO_EVRC = "audio/evrc";
static final String AUDIO_QCELP = "audio/qcelp";
static final String AUDIO_AAC_MP4 = "audio/aac_mp4";
static final String AUDIO_WAVE_6CH_LPCM = "audio/wave_6ch_lpcm";
static final String AUDIO_AAC_5POINT1_CHANNEL = "audio/aac_5point1_channel";
static final String AUDIO_AMR_WB = "audio/amr-wb";
static final String AUDIO_ANY = "audio/*";
static final String ANY_ANY = "*/*";
static final int FOCUSCHANGE = 0;
static final int BITRATE_AMR = 12800; // bits/sec
static final int BITRATE_AAC = 156000;
static final int BITRATE_EVRC = 8500;
static final int BITRATE_LPCM = 4608000;
static final int BITRATE_QCELP = 13300;
static final int BITRATE_3GPP = 5900;
static final int SAMPLERATE_MULTI_CH = 48000;
static final int BITRATE_AMR_WB = 23850;
static final int SAMPLERATE_AMR_WB = 16000;
static final int SAMPLERATE_8000 = 8000;
static final long STOP_WAIT = 300;
int mAudioOutputFormat = MediaRecorder.OutputFormat.AMR_WB;
String mAmrWidebandExtension = ".awb";
private AudioManager mAudioManager;
int mAudioSourceType = MediaRecorder.AudioSource.MIC;
int mPhoneCount = 0;
static int sOldCallState = TelephonyManager.CALL_STATE_IDLE;
WakeLock mWakeLock;
String mRequestedType = AUDIO_ANY;
Recorder mRecorder;
boolean mSampleInterrupted = false;
static boolean bSSRSupported;
String mErrorUiMessage = null; // Some error messages are displayed in the UI,
// not a dialog. This happens when a recording
// is interrupted for some reason.
long mMaxFileSize = -1; // can be specified in the intent
RemainingTimeCalculator mRemainingTimeCalculator;
String mTimerFormat;
final Handler mHandler = new Handler();
Runnable mUpdateTimer = new Runnable() {
public void run() { updateTimerView(); }
};
ImageButton mRecordButton;
ImageButton mPlayButton;
ImageButton mStopButton;
ImageView mStateLED;
TextView mStateMessage1;
TextView mStateMessage2;
ProgressBar mStateProgressBar;
TextView mTimerView;
LinearLayout mExitButtons;
Button mAcceptButton;
Button mDiscardButton;
VUMeter mVUMeter;
private BroadcastReceiver mSDCardMountEventReceiver = null;
private TelephonyManager mTelephonyManager;
private PhoneStateListener[] mPhoneStateListener;
private PhoneStateListener getPhoneStateListener(int subId) {
PhoneStateListener phoneStateListener = new PhoneStateListener(subId) {
@Override
public void onCallStateChanged(int state, String ignored) {
switch (state) {
case TelephonyManager.CALL_STATE_IDLE:
if ((sOldCallState == TelephonyManager.CALL_STATE_OFFHOOK)
&& !(mAudioSourceType == MediaRecorder.AudioSource.MIC)){
mRecorder.stop();
sOldCallState = TelephonyManager.CALL_STATE_IDLE;
mAudioSourceType = MediaRecorder.AudioSource.MIC;
}
break;
case TelephonyManager.CALL_STATE_OFFHOOK:
sOldCallState = TelephonyManager.CALL_STATE_OFFHOOK;
break;
default:
// The control should not come here
Log.e(TAG,"Unknown call state");
break;
}
}
};
return phoneStateListener;
}
@Override
public void onCreate(Bundle icycle) {
super.onCreate(icycle);
Intent i = getIntent();
if (i != null) {
String s = i.getType();
if (AUDIO_AMR.equals(s) || AUDIO_3GPP.equals(s) || AUDIO_ANY.equals(s)
|| ANY_ANY.equals(s)) {
mRequestedType = s;
} else if (s != null) {
// we only support amr and 3gpp formats right now
setResult(RESULT_CANCELED);
finish();
return;
}
final String EXTRA_MAX_BYTES
= android.provider.MediaStore.Audio.Media.EXTRA_MAX_BYTES;
mMaxFileSize = i.getLongExtra(EXTRA_MAX_BYTES, -1);
}
if (AUDIO_ANY.equals(mRequestedType) || ANY_ANY.equals(mRequestedType)) {
mRequestedType = AUDIO_3GPP;
}
mRequestedType = AUDIO_AMR; // Default type
setContentView(R.layout.main);
mAudioManager = (AudioManager)getSystemService(Context.AUDIO_SERVICE);
mRecorder = new Recorder();
mRecorder.setOnStateChangedListener(this);
mRemainingTimeCalculator = new RemainingTimeCalculator();
PowerManager pm
= (PowerManager) getSystemService(Context.POWER_SERVICE);
mWakeLock = pm.newWakeLock(PowerManager.SCREEN_DIM_WAKE_LOCK,
"SoundRecorder");
initResourceRefs();
setResult(RESULT_CANCELED);
registerExternalStorageListener();
if (icycle != null) {
Bundle recorderState = icycle.getBundle(RECORDER_STATE_KEY);
if (recorderState != null) {
mRecorder.restoreState(recorderState);
mSampleInterrupted = recorderState.getBoolean(SAMPLE_INTERRUPTED_KEY, false);
mMaxFileSize = recorderState.getLong(MAX_FILE_SIZE_KEY, -1);
}
}
mTelephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
mPhoneCount = mTelephonyManager.getPhoneCount();
mPhoneStateListener = new PhoneStateListener[mPhoneCount];
for(int j = 0; j < mPhoneCount; j++) {
int[] subId = SubscriptionManager.getSubId(j);
mPhoneStateListener[j] = getPhoneStateListener(subId[0]);
}
String ssrRet = SystemProperties.get("ro.qc.sdk.audio.ssr","false");
if (ssrRet.contains("true")) {
Log.d(TAG,"Surround sound recording is supported");
bSSRSupported = true;
} else {
Log.d(TAG,"Surround sound recording is not supported");
bSSRSupported = false;
}
updateUi();
}
@Override
protected void onResume() {
super.onResume();
// While we're in the foreground, listen for phone state changes.
mTelephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
for(int i = 0; i < mPhoneCount; i++) {
mTelephonyManager.listen(mPhoneStateListener[i], PhoneStateListener.LISTEN_CALL_STATE);
}
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
setContentView(R.layout.main);
initResourceRefs();
updateUi();
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
if (mRecorder.sampleLength() == 0)
return;
Bundle recorderState = new Bundle();
mRecorder.saveState(recorderState);
recorderState.putBoolean(SAMPLE_INTERRUPTED_KEY, mSampleInterrupted);
recorderState.putLong(MAX_FILE_SIZE_KEY, mMaxFileSize);
outState.putBundle(RECORDER_STATE_KEY, recorderState);
}
/*
* Whenever the UI is re-created (due f.ex. to orientation change) we have
* to reinitialize references to the views.
*/
private void initResourceRefs() {
mRecordButton = (ImageButton) findViewById(R.id.recordButton);
mPlayButton = (ImageButton) findViewById(R.id.playButton);
mStopButton = (ImageButton) findViewById(R.id.stopButton);
mStateLED = (ImageView) findViewById(R.id.stateLED);
mStateMessage1 = (TextView) findViewById(R.id.stateMessage1);
mStateMessage2 = (TextView) findViewById(R.id.stateMessage2);
mStateProgressBar = (ProgressBar) findViewById(R.id.stateProgressBar);
mTimerView = (TextView) findViewById(R.id.timerView);
mExitButtons = (LinearLayout) findViewById(R.id.exitButtons);
mAcceptButton = (Button) findViewById(R.id.acceptButton);
mDiscardButton = (Button) findViewById(R.id.discardButton);
mVUMeter = (VUMeter) findViewById(R.id.uvMeter);
mRecordButton.setOnClickListener(this);
mPlayButton.setOnClickListener(this);
mStopButton.setOnClickListener(this);
mAcceptButton.setOnClickListener(this);
mDiscardButton.setOnClickListener(this);
mTimerFormat = getResources().getString(R.string.timer_format);
mVUMeter.setRecorder(mRecorder);
}
/*
* Make sure we're not recording music playing in the background, ask
* the MediaPlaybackService to pause playback.
*/
private void stopAudioPlayback() {
AudioManager am = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
am.requestAudioFocus(mAudioFocusListener, AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN);
}
private OnAudioFocusChangeListener mAudioFocusListener = new OnAudioFocusChangeListener() {
public void onAudioFocusChange(int focusChange) {
mRecorderHandler.obtainMessage(FOCUSCHANGE, focusChange, 0).sendToTarget();
}
};
private Handler mRecorderHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case FOCUSCHANGE:
switch (msg.arg1) {
case AudioManager.AUDIOFOCUS_LOSS:
if (mRecorder.state() == Recorder.RECORDING_STATE) {
mRecorder.stop();
} else if (mRecorder.state() == Recorder.PLAYING_STATE) {
mRecorder.stopPlayback();
}
break;
}
break;
default:
break;
}
}
};
private boolean checkOperationPermission(String[] permissionName, int operationHandle) {
boolean isPermissionGranted = true;
List needRequestPermission = new ArrayList<String>();
for (String tmp : permissionName) {
isPermissionGranted = (PackageManager.PERMISSION_GRANTED == checkSelfPermission(tmp));
if (!isPermissionGranted) {
needRequestPermission.add(tmp);
}
}
if (isPermissionGranted) {
return true;
} else {
String[] needRequestPermissionArray = new String[needRequestPermission.size()];
needRequestPermission.toArray(needRequestPermissionArray);
requestPermissions(needRequestPermissionArray, operationHandle);
return false;
}
}
private String[] getOperationPermissionName(int operation) {
switch (operation) {
case R.id.recordButton:
return new String[]{Manifest.permission.READ_PHONE_STATE,
Manifest.permission.RECORD_AUDIO,
Manifest.permission.WRITE_EXTERNAL_STORAGE};
case R.id.acceptButton:
return new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE};
default:
return null;
}
}
@Override
public void onRequestPermissionsResult(int requestCode, String[] permissions,
int[] grantResults) {
for (int i : grantResults) {
if (i != PackageManager.PERMISSION_GRANTED)
return;
}
processClickEvent(requestCode);
}
/*
* Handle the buttons.
*/
public void onClick(View button) {
if (!button.isEnabled())
return;
if (Build.VERSION.SDK_INT >= 23) {
String[] operationPermissionNames = getOperationPermissionName(button.getId());
if (operationPermissionNames == null ||
checkOperationPermission(operationPermissionNames, button.getId()))
processClickEvent(button.getId());
} else {
processClickEvent(button.getId());
}
}
private void processClickEvent(int viewId) {
switch (viewId) {
case R.id.recordButton:
mRemainingTimeCalculator.reset();
if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
mSampleInterrupted = true;
mErrorUiMessage = getResources().getString(R.string.insert_sd_card);
updateUi();
} else if (!mRemainingTimeCalculator.diskSpaceAvailable()) {
mSampleInterrupted = true;
mErrorUiMessage = getResources().getString(R.string.storage_is_full);
updateUi();
} else {
stopAudioPlayback();
if ((sOldCallState == TelephonyManager.CALL_STATE_OFFHOOK) &&
(mAudioSourceType == MediaRecorder.AudioSource.MIC)) {
mAudioSourceType = MediaRecorder.AudioSource.VOICE_UPLINK;
Log.e(TAG, "Selected Voice Tx only Source: sourcetype" + mAudioSourceType);
}
if (AUDIO_AMR.equals(mRequestedType)) {
mRemainingTimeCalculator.setBitRate(BITRATE_AMR);
mRecorder.setSamplingRate(SAMPLERATE_8000);
mRecorder.startRecording(MediaRecorder.OutputFormat.RAW_AMR, ".amr", this,
mAudioSourceType, MediaRecorder.AudioEncoder.AMR_NB);
} else if (AUDIO_EVRC.equals(mRequestedType)) {
mRemainingTimeCalculator.setBitRate(BITRATE_EVRC);
mRecorder.setSamplingRate(SAMPLERATE_8000);
mRecorder.startRecording(MediaRecorder.OutputFormat.QCP, ".qcp", this,
mAudioSourceType, MediaRecorder.AudioEncoder.EVRC);
} else if (AUDIO_QCELP.equals(mRequestedType)) {
mRemainingTimeCalculator.setBitRate(BITRATE_QCELP);
mRecorder.setSamplingRate(SAMPLERATE_8000);
mRecorder.setChannels(1);
mRecorder.startRecording(MediaRecorder.OutputFormat.QCP, ".qcp", this,
mAudioSourceType, MediaRecorder.AudioEncoder.QCELP);
} else if (AUDIO_3GPP.equals(mRequestedType)) {
mRemainingTimeCalculator.setBitRate(BITRATE_3GPP);
mRecorder.startRecording(MediaRecorder.OutputFormat.THREE_GPP, ".3gpp", this,
mAudioSourceType, MediaRecorder.AudioEncoder.AMR_NB);
} else if (AUDIO_AAC_MP4.equals(mRequestedType)) {
mRemainingTimeCalculator.setBitRate(BITRATE_AAC);
mRecorder.setSamplingRate(SAMPLERATE_MULTI_CH);
mRecorder.setChannels(2);
mRecorder.startRecording(MediaRecorder.OutputFormat.THREE_GPP, ".3gpp", this,
mAudioSourceType, MediaRecorder.AudioEncoder.AAC);
} else if (AUDIO_AAC_5POINT1_CHANNEL.equals(mRequestedType)) {//AAC 6-channel recording
if (true == bSSRSupported) {
mRemainingTimeCalculator.setBitRate(BITRATE_AAC);
mRecorder.setChannels(6);
mRecorder.setSamplingRate(SAMPLERATE_MULTI_CH);
mAudioSourceType = MediaRecorder.AudioSource.MIC;
mRecorder.startRecording(MediaRecorder.OutputFormat.THREE_GPP, ".3gpp", this,
mAudioSourceType, MediaRecorder.AudioEncoder.AAC);
} else {
throw new IllegalArgumentException("Invalid output file type requested");
}
} else if (AUDIO_WAVE_6CH_LPCM.equals(mRequestedType)) {//WAVE LPCM 6-channel recording
if (true == bSSRSupported) {
mRemainingTimeCalculator.setBitRate(BITRATE_LPCM);
mRecorder.setChannels(6);
mRecorder.setSamplingRate(SAMPLERATE_MULTI_CH);
mAudioSourceType = MediaRecorder.AudioSource.MIC;
mRecorder.startRecording(MediaRecorder.OutputFormat.WAVE, ".wav", this, mAudioSourceType, MediaRecorder.AudioEncoder.LPCM);
} else {
throw new IllegalArgumentException("Invalid output file type requested");
}
} else if (AUDIO_AMR_WB.equals(mRequestedType)) {
mRemainingTimeCalculator.setBitRate(BITRATE_AMR_WB);
mRecorder.setSamplingRate(BITRATE_AMR_WB);
mRecorder.startRecording(mAudioOutputFormat, mAmrWidebandExtension, this, mAudioSourceType, MediaRecorder.AudioEncoder.AMR_WB);
} else {
throw new IllegalArgumentException("Invalid output file type requested");
}
if (mMaxFileSize != -1) {
mRemainingTimeCalculator.setFileSizeLimit(
mRecorder.sampleFile(), mMaxFileSize);
}
}
break;
case R.id.playButton:
mRecorder.startPlayback();
break;
case R.id.stopButton:
mRecorder.stop();
break;
case R.id.acceptButton:
mRecorder.stop();
saveSample();
finish();
break;
case R.id.discardButton:
mRecorder.delete();
finish();
break;
}
}
/*
*Handle the "menu" hardware key.
*/
@Override
public boolean onKeyUp(int keyCode, KeyEvent event) {
//show softkeyboard after the "menu" key is pressed and released(key up)
if(keyCode == KeyEvent.KEYCODE_MENU) {
InputMethodManager inputMgr = (InputMethodManager)getSystemService(
Context.INPUT_METHOD_SERVICE);
inputMgr.toggleSoftInput(0, 0);
return true;
} else {
return super.onKeyUp(keyCode, event);
}
}
/*
* Handle the "back" hardware key.
*/
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) {
switch (mRecorder.state()) {
case Recorder.IDLE_STATE:
if (mRecorder.sampleLength() > 0)
saveSample();
finish();
break;
case Recorder.PLAYING_STATE:
mRecorder.stop();
saveSample();
break;
case Recorder.RECORDING_STATE:
mRecorder.stop();
saveSample();
break;
}
return true;
} else {
return super.onKeyDown(keyCode, event);
}
}
// Voicememo Adding UI choice for the user to get the format needed
@Override
public boolean dispatchKeyEvent(KeyEvent event) {
Log.v(TAG, "dispatchKeyEvent with key event" + event);
if(event.getKeyCode() == KeyEvent.KEYCODE_6 && event.getAction() == event.ACTION_UP){
//Ignore ACTION_DOWN to avoid showing error dialog twice
if((mAudioSourceType == MediaRecorder.AudioSource.VOICE_CALL) ||
(mAudioSourceType == MediaRecorder.AudioSource.VOICE_DOWNLINK)||
(mAudioSourceType == MediaRecorder.AudioSource.VOICE_UPLINK ) ||
((mAudioSourceType == MediaRecorder.AudioSource.MIC) &&
(mAudioManager.getMode() == AudioManager.MODE_IN_CALL))) {
mAudioSourceType = MediaRecorder.AudioSource.MIC;//Default type
Resources res = getResources();
String message = null;
message = res.getString(R.string.error_mediadb_aacincall);
new AlertDialog.Builder(this)
.setTitle(R.string.app_name)
.setMessage(message)
.setPositiveButton(R.string.button_ok, null)
.setCancelable(false)
.show();
return super.dispatchKeyEvent(event);
}
}
if((event.getKeyCode() == KeyEvent.KEYCODE_1 || event.getKeyCode() == KeyEvent.KEYCODE_2)
&& (event.getAction() == event.ACTION_UP)){
//Ignore ACTION_DOWN to avoid showing error dialog twice
if((mAudioManager.getMode() != AudioManager.MODE_IN_CALL) ||
(mRequestedType == AUDIO_AAC_MP4)) {
mAudioSourceType = MediaRecorder.AudioSource.MIC;//Default type
Resources res = getResources();
String message = null;
if(mAudioManager.getMode() != AudioManager.MODE_IN_CALL) {
message = res.getString(R.string.error_mediadb_incall);
} else {
message = res.getString(R.string.error_mediadb_aacincall);
}
new AlertDialog.Builder(this)
.setTitle(R.string.app_name)
.setMessage(message)
.setPositiveButton(R.string.button_ok, null)
.setCancelable(false)
.show();
return super.dispatchKeyEvent(event);
}
}
// Intercept some events before they get dispatched to our views.
boolean ret = false;
switch (event.getKeyCode()) {
case KeyEvent.KEYCODE_0: // MIC source (Camcorder)
{
Log.e(TAG, "Selected MIC Source: Key Event" + KeyEvent.KEYCODE_0);
mAudioSourceType = MediaRecorder.AudioSource.MIC;
if ((mAudioManager.getMode() == AudioManager.MODE_IN_CALL) &&
(event.getAction() == event.ACTION_UP)) {
mAudioSourceType = MediaRecorder.AudioSource.VOICE_UPLINK;
Log.e(TAG, "Selected Voice Tx only Source: sourcetype" + mAudioSourceType);
}
ret = true;
break;
}
case KeyEvent.KEYCODE_1: // Voice Rx Only (Only during Call(
{
Log.e(TAG, "Selected Voice Rx only Source: Key Event" + KeyEvent.KEYCODE_1);
mAudioSourceType = MediaRecorder.AudioSource.VOICE_DOWNLINK;
ret = true;
break;
}
case KeyEvent.KEYCODE_2: // Voice Rx+Tx (Only during Call)
{
Log.e(TAG, "Selected Voice Tx+Rx Source: Key Event" + KeyEvent.KEYCODE_2);
mAudioSourceType = MediaRecorder.AudioSource.VOICE_CALL;
ret = true;
break;
}
case KeyEvent.KEYCODE_3: // Selected AMR codec type
{
Log.e(TAG, "Selected AUDIO_AMR Codec: Key Event" + KeyEvent.KEYCODE_3);
mRequestedType = AUDIO_AMR;
ret = true;
break;
}
case KeyEvent.KEYCODE_4: // Selected EVRC codec type
{
Log.e(TAG, "Selected Voice AUDIO_EVRC Codec: Key Event" + KeyEvent.KEYCODE_4);
mRequestedType = AUDIO_EVRC;
ret = true;
break;
}
case KeyEvent.KEYCODE_5: // Selected QCELP codec type
{
Log.e(TAG, "Selected AUDIO_QCELP Codec: Key Event" + KeyEvent.KEYCODE_5);
mRequestedType = AUDIO_QCELP;
ret = true;
break;
}
case KeyEvent.KEYCODE_6: // Selected AAC codec type
{
Log.e(TAG, "Selected AUDIO_AAC_MP4 Codec: Key Event" + KeyEvent.KEYCODE_6);
mRequestedType = AUDIO_AAC_MP4;
ret = true;
break;
}
case KeyEvent.KEYCODE_7: // Selected 6 channel wave lpcm codec type
{
if (true == bSSRSupported) {
Log.e(TAG, "Selected multichannel AAC Codec: Key Event" + KeyEvent.KEYCODE_7);
mRequestedType = AUDIO_AAC_5POINT1_CHANNEL;
ret = true;
}
break;
}
case KeyEvent.KEYCODE_8: // Selected 6 channel AAC recording
{
if (true == bSSRSupported) {
Log.e(TAG, "Selected linear pcm Codec: Key Event" + KeyEvent.KEYCODE_7);
mRequestedType = AUDIO_WAVE_6CH_LPCM;
ret = true;
}
break;
}
case KeyEvent.KEYCODE_9: // Selected amr-wb codec type in .awb file format
{
Log.e(TAG, "### Selected amr wb Codec in .awb: Key Event" + KeyEvent.KEYCODE_8);
mRequestedType = AUDIO_AMR_WB;
mAudioOutputFormat = MediaRecorder.OutputFormat.AMR_WB;
mAmrWidebandExtension = ".awb";
ret = true;
break;
}
case KeyEvent.KEYCODE_A: // Selected amr-wb codec type in .3gpp file format
{
Log.e(TAG, "### Selected awr wb Codec in 3gp: Key Event" + KeyEvent.KEYCODE_9);
mRequestedType = AUDIO_AMR_WB;
mAmrWidebandExtension = ".3gpp";
mAudioOutputFormat = MediaRecorder.OutputFormat.THREE_GPP;
ret = true;
break;
}
default:
break;
}
return ret?ret:super.dispatchKeyEvent(event);
}
@Override
public void onStop() {
mRecorder.stop();
super.onStop();
}
@Override
protected void onPause() {
// Stop listening for phone state changes.
for(int i = 0; i < mPhoneCount; i++) {
mTelephonyManager.listen(mPhoneStateListener[i], PhoneStateListener.LISTEN_NONE);
}
mSampleInterrupted = mRecorder.state() == Recorder.RECORDING_STATE;
mRecorder.stop();
mAudioManager.abandonAudioFocus(mAudioFocusListener);
super.onPause();
}
/*
* If we have just recorded a smaple, this adds it to the media data base
* and sets the result to the sample's URI.
*/
private void saveSample() {
if (mRecorder.sampleLength() == 0)
return;
Uri uri = null;
try {
uri = this.addToMediaDB(mRecorder.sampleFile());
} catch(UnsupportedOperationException ex) { // Database manipulation failure
return;
}
if (uri == null) {
return;
}
setResult(RESULT_OK, new Intent().setData(uri)
.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION));
}
/*
* Called on destroy to unregister the SD card mount event receiver.
*/
@Override
public void onDestroy() {
if (mSDCardMountEventReceiver != null) {
unregisterReceiver(mSDCardMountEventReceiver);
mSDCardMountEventReceiver = null;
}
super.onDestroy();
}
/*
* Registers an intent to listen for ACTION_MEDIA_EJECT/ACTION_MEDIA_MOUNTED
* notifications.
*/
private void registerExternalStorageListener() {
if (mSDCardMountEventReceiver == null) {
mSDCardMountEventReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (action.equals(Intent.ACTION_MEDIA_EJECT)) {
mRecorder.delete();
} else if (action.equals(Intent.ACTION_MEDIA_MOUNTED)) {
mSampleInterrupted = false;
updateUi();
}
}
};
IntentFilter iFilter = new IntentFilter();
iFilter.addAction(Intent.ACTION_MEDIA_EJECT);
iFilter.addAction(Intent.ACTION_MEDIA_MOUNTED);
iFilter.addDataScheme("file");
registerReceiver(mSDCardMountEventReceiver, iFilter);
}
}
/*
* A simple utility to do a query into the databases.
*/
private Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) {
try {
ContentResolver resolver = getContentResolver();
if (resolver == null) {
return null;
}
return resolver.query(uri, projection, selection, selectionArgs, sortOrder);
} catch (UnsupportedOperationException ex) {
return null;
}
}
/*
* Add the given audioId to the playlist with the given playlistId; and maintain the
* play_order in the playlist.
*/
private void addToPlaylist(ContentResolver resolver, int audioId, long playlistId) {
String[] cols = new String[] {
"count(*)"
};
Uri uri = MediaStore.Audio.Playlists.Members.getContentUri("external", playlistId);
Cursor cur = resolver.query(uri, cols, null, null, null);
cur.moveToFirst();
final int base = cur.getInt(0);
cur.close();
ContentValues values = new ContentValues();
values.put(MediaStore.Audio.Playlists.Members.PLAY_ORDER, Integer.valueOf(base + audioId));
values.put(MediaStore.Audio.Playlists.Members.AUDIO_ID, audioId);
resolver.insert(uri, values);
}
/*
* Obtain the id for the default play list from the audio_playlists table.
*/
private int getPlaylistId(Resources res) {
Uri uri = MediaStore.Audio.Playlists.getContentUri("external");
final String[] ids = new String[] { MediaStore.Audio.Playlists._ID };
final String where = MediaStore.Audio.Playlists.NAME + "=?";
final String[] args = new String[] { res.getString(R.string.audio_db_playlist_name) };
Cursor cursor = query(uri, ids, where, args, null);
if (cursor == null) {
Log.v(TAG, "query returns null");
}
int id = -1;
if (cursor != null) {
cursor.moveToFirst();
if (!cursor.isAfterLast()) {
id = cursor.getInt(0);
}
}
cursor.close();
return id;
}
/*
* Create a playlist with the given default playlist name, if no such playlist exists.
*/
private Uri createPlaylist(Resources res, ContentResolver resolver) {
ContentValues cv = new ContentValues();
cv.put(MediaStore.Audio.Playlists.NAME, res.getString(R.string.audio_db_playlist_name));
Uri uri = resolver.insert(MediaStore.Audio.Playlists.getContentUri("external"), cv);
if (uri == null) {
new AlertDialog.Builder(this)
.setTitle(R.string.app_name)
.setMessage(R.string.error_mediadb_new_record)
.setPositiveButton(R.string.button_ok, null)
.setCancelable(false)
.show();
}
return uri;
}
/*
* Adds file and returns content uri.
*/
private Uri addToMediaDB(File file) {
Resources res = getResources();
ContentValues cv = new ContentValues();
long current = System.currentTimeMillis();
long modDate = file.lastModified();
Date date = new Date(current);
SimpleDateFormat formatter = new SimpleDateFormat(
res.getString(R.string.audio_db_title_format));
String title = formatter.format(date);
long sampleLengthMillis = mRecorder.sampleLength() * 1000L;
// Lets label the recorded audio file as NON-MUSIC so that the file
// won't be displayed automatically, except for in the playlist.
cv.put(MediaStore.Audio.Media.IS_MUSIC, "0");
cv.put(MediaStore.Audio.Media.TITLE, title);
cv.put(MediaStore.Audio.Media.DATA, file.getAbsolutePath());
cv.put(MediaStore.Audio.Media.DATE_ADDED, (int) (current / 1000));
cv.put(MediaStore.Audio.Media.DATE_MODIFIED, (int) (modDate / 1000));
cv.put(MediaStore.Audio.Media.DURATION, sampleLengthMillis);
cv.put(MediaStore.Audio.Media.MIME_TYPE, mRequestedType);
cv.put(MediaStore.Audio.Media.ARTIST,
res.getString(R.string.audio_db_artist_name));
cv.put(MediaStore.Audio.Media.ALBUM,
res.getString(R.string.audio_db_album_name));
Log.d(TAG, "Inserting audio record: " + cv.toString());
ContentResolver resolver = getContentResolver();
Uri base = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
Log.d(TAG, "ContentURI: " + base);
Uri result = resolver.insert(base, cv);
if (result == null) {
new AlertDialog.Builder(this)
.setTitle(R.string.app_name)
.setMessage(R.string.error_mediadb_new_record)
.setPositiveButton(R.string.button_ok, null)
.setCancelable(false)
.show();
return null;
}
if (getPlaylistId(res) == -1) {
createPlaylist(res, resolver);
}
int audioId = Integer.valueOf(result.getLastPathSegment());
addToPlaylist(resolver, audioId, getPlaylistId(res));
// Notify those applications such as Music listening to the
// scanner events that a recorded audio file just created.
sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, result));
return result;
}
/**
* Update the big MM:SS timer. If we are in playback, also update the
* progress bar.
*/
private void updateTimerView() {
Resources res = getResources();
int state = mRecorder.state();
boolean ongoing = state == Recorder.RECORDING_STATE || state == Recorder.PLAYING_STATE;
long time = ongoing ? mRecorder.progress() : mRecorder.sampleLength();
String timeStr = String.format(mTimerFormat, time/60, time%60);
mTimerView.setText(timeStr);
if (state == Recorder.PLAYING_STATE) {
mStateProgressBar.setProgress((int)(100*time/mRecorder.sampleLength()));
} else if (state == Recorder.RECORDING_STATE) {
updateTimeRemaining();
}
if (ongoing)
mHandler.postDelayed(mUpdateTimer, 1000);
}
/*
* Called when we're in recording state. Find out how much longer we can
* go on recording. If it's under 5 minutes, we display a count-down in
* the UI. If we've run out of time, stop the recording.
*/
private void updateTimeRemaining() {
long t = mRemainingTimeCalculator.timeRemaining();
if (t <= 0) {
mSampleInterrupted = true;
int limit = mRemainingTimeCalculator.currentLowerLimit();
switch (limit) {
case RemainingTimeCalculator.DISK_SPACE_LIMIT:
mErrorUiMessage
= getResources().getString(R.string.storage_is_full);
break;
case RemainingTimeCalculator.FILE_SIZE_LIMIT:
mErrorUiMessage
= getResources().getString(R.string.max_length_reached);
break;
default:
mErrorUiMessage = null;
break;
}
mRecorder.stop();
return;
}
Resources res = getResources();
String timeStr = "";
if (t < 60)
timeStr = String.format(res.getString(R.string.sec_available), t);
else if (t < 540)
timeStr = String.format(res.getString(R.string.min_available), t/60 + 1);
mStateMessage1.setText(timeStr);
}
/**
* Shows/hides the appropriate child views for the new state.
*/
private void updateUi() {
Resources res = getResources();
switch (mRecorder.state()) {
case Recorder.IDLE_STATE:
if (mRecorder.sampleLength() == 0) {
mRecordButton.setEnabled(true);
mRecordButton.setFocusable(true);
mPlayButton.setEnabled(false);
mPlayButton.setFocusable(false);
mStopButton.setEnabled(false);
mStopButton.setFocusable(false);
mRecordButton.requestFocus();
mStateMessage1.setVisibility(View.INVISIBLE);
mStateLED.setVisibility(View.VISIBLE);
//mStateLED.setImageResource(R.drawable.idle_led);
mStateMessage2.setVisibility(View.VISIBLE);
if (true == bSSRSupported) {
mStateMessage2.setText(res.getString(R.string.press_record_ssr));
} else {
mStateMessage2.setText(res.getString(R.string.press_record));
}
mExitButtons.setVisibility(View.INVISIBLE);
mVUMeter.setVisibility(View.VISIBLE);
mStateProgressBar.setVisibility(View.INVISIBLE);
setTitle(res.getString(R.string.record_your_message));
} else {
mRecordButton.setEnabled(true);
mRecordButton.setFocusable(true);
mPlayButton.setEnabled(true);
mPlayButton.setFocusable(true);
mStopButton.setEnabled(false);
mStopButton.setFocusable(false);
mStateMessage1.setVisibility(View.INVISIBLE);
mStateLED.setVisibility(View.INVISIBLE);
mStateMessage2.setVisibility(View.INVISIBLE);
mExitButtons.setVisibility(View.VISIBLE);
mVUMeter.setVisibility(View.INVISIBLE);
mStateProgressBar.setVisibility(View.INVISIBLE);
setTitle(res.getString(R.string.message_recorded));
}
if (mSampleInterrupted) {
mStateMessage2.setVisibility(View.VISIBLE);
mStateMessage2.setText(res.getString(R.string.recording_stopped));
//mStateLED.setImageResource(R.drawable.idle_led);
mStateLED.setVisibility(View.VISIBLE);
}
if (mErrorUiMessage != null) {
mStateMessage1.setText(mErrorUiMessage);
mStateMessage1.setVisibility(View.VISIBLE);
}
break;
case Recorder.RECORDING_STATE:
mRecordButton.setEnabled(false);
mRecordButton.setFocusable(false);
mPlayButton.setEnabled(false);
mPlayButton.setFocusable(false);
mStopButton.setEnabled(true);
mStopButton.setFocusable(true);
mStateMessage1.setVisibility(View.VISIBLE);
mStateLED.setVisibility(View.VISIBLE);
mStateLED.setImageResource(R.drawable.recording_led);
mStateMessage2.setVisibility(View.VISIBLE);
mStateMessage2.setText(res.getString(R.string.recording));
mExitButtons.setVisibility(View.INVISIBLE);
mVUMeter.setVisibility(View.VISIBLE);
mStateProgressBar.setVisibility(View.INVISIBLE);
setTitle(res.getString(R.string.record_your_message));
break;
case Recorder.PLAYING_STATE:
mRecordButton.setEnabled(true);
mRecordButton.setFocusable(true);
mPlayButton.setEnabled(false);
mPlayButton.setFocusable(false);
mStopButton.setEnabled(true);
mStopButton.setFocusable(true);
mStateMessage1.setVisibility(View.INVISIBLE);
mStateLED.setVisibility(View.INVISIBLE);
mStateMessage2.setVisibility(View.INVISIBLE);
mExitButtons.setVisibility(View.VISIBLE);
mVUMeter.setVisibility(View.INVISIBLE);
mStateProgressBar.setVisibility(View.VISIBLE);
setTitle(res.getString(R.string.review_message));
break;
}
updateTimerView();
mVUMeter.invalidate();
}
/*
* Called when Recorder changed it's state.
*/
public void onStateChanged(int state) {
if (state == Recorder.PLAYING_STATE || state == Recorder.RECORDING_STATE) {
mSampleInterrupted = false;
mErrorUiMessage = null;
}
if (state == Recorder.RECORDING_STATE) {
mWakeLock.acquire(); // we don't want to go to sleep while recording
} else {
if (mWakeLock.isHeld())
mWakeLock.release();
}
updateUi();
}
/*
* Called when MediaPlayer encounters an error.
*/
public void onError(int error) {
Resources res = getResources();
boolean isExit = false;
String message = null;
switch (error) {
case Recorder.SDCARD_ACCESS_ERROR:
message = res.getString(R.string.error_sdcard_access);
break;
case Recorder.IN_CALL_RECORD_ERROR:
// TODO: update error message to reflect that the recording could not be
// performed during a call.
case Recorder.INTERNAL_ERROR:
message = res.getString(R.string.error_app_internal);
isExit = true;
break;
case Recorder.UNSUPPORTED_FORMAT:
message = res.getString(R.string.error_app_unsupported);
isExit = true;
break;
}
if (message != null) {
new AlertDialog.Builder(this)
.setTitle(R.string.app_name)
.setMessage(message)
.setPositiveButton(R.string.button_ok, (true==isExit)?
(new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
finish();
}}):null)
.setCancelable(false)
.show();
}
}
}