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@ -5,6 +5,7 @@ import java.io.File;
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import java.io.IOException;
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import java.util.ArrayList;
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import android.annotation.TargetApi;
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import android.app.Activity;
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import android.app.ProgressDialog;
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import android.content.Context;
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@ -12,51 +13,47 @@ import android.content.DialogInterface;
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import android.content.DialogInterface.OnCancelListener;
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import android.content.Intent;
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import android.media.MediaPlayer;
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import android.net.Uri;
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import android.os.Bundle;
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import android.speech.RecognitionListener;
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import android.speech.RecognizerIntent;
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import android.speech.SpeechRecognizer;
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import android.util.Log;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.widget.TextView;
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import android.widget.Toast;
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@TargetApi(8)
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public class RecognizerApi implements RecognitionListener {
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public static interface PlaybackExceptionHandler {
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public void playbackFailed(String file);
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}
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private String aacFile;
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private Context context;
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public static interface RecognizerApiListener {
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public void onSpeechResult(String result);
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public void onSpeechError(int error);
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}
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private RecognizerApiListener mListener;
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public RecognizerApi(Context context) {
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this.context = context;
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File dir = context.getFilesDir();
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aacFile = dir.toString() + "/audio.aac";
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sr = SpeechRecognizer.createSpeechRecognizer(context);
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}
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public void setTemporaryFile(String fileName) {
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aacFile = context.getFilesDir().toString() + "/" + fileName;
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}
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public String getTemporaryFile() {
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return aacFile;
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}
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public void setListener(RecognizerApiListener listener) {
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this.mListener = listener;
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}
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@ -78,20 +75,28 @@ public class RecognizerApi implements RecognitionListener {
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private SpeechRecognizer sr;
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private ProgressDialog speakPd;
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private ProgressDialog processingPd;
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public void start() {
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private String processingMessage;
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/**
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* Start speech recognition
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*
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* @param callingPackage e.g. com.myapp.example
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* @param speakNowMessage e.g. "Speak now!"
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* @param processingMessage e.g. "Processing..."
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*/
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public void start(String callingPackage, String speakNowMessage, String processingMessage) {
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sr.setRecognitionListener(this);
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Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
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intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL,
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RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
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intent.putExtra(RecognizerIntent.EXTRA_CALLING_PACKAGE, "com.domain.app");
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intent.putExtra(RecognizerIntent.EXTRA_CALLING_PACKAGE, callingPackage);
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speechStarted = 0;
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baos.reset();
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speakPd = new ProgressDialog(context);
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speakPd.setMessage("Speak now...");
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speakPd.setMessage(speakNowMessage);
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speakPd.setIndeterminate(true);
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speakPd.setCancelable(true);
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speakPd.setOnCancelListener(new OnCancelListener() {
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@ -108,34 +113,31 @@ public class RecognizerApi implements RecognitionListener {
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speechStarted = System.currentTimeMillis();
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}
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public void convert(String toFile) {
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try {
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new AACToM4A().convert(context, aacFile, toFile);
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Toast.makeText(context, "File Saved!", Toast.LENGTH_LONG).show();
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} catch (IOException e) {
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Toast.makeText(context, "Error :(", Toast.LENGTH_LONG).show();
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Log.e("ERROR", "error converting", e);
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}
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/**
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* Convert AAC file to M4A
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*
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* @param toFile
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* @throws IOException
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*/
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public void convert(String toFile) throws IOException {
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new AACToM4A().convert(context, aacFile, toFile);
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}
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public void cancel() {
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sr.cancel();
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}
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public void destroy() {
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sr.setRecognitionListener(null);
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sr.destroy();
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}
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// --- RecognitionListener methods --- //
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private ByteArrayOutputStream baos = new ByteArrayOutputStream();
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@Override
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public void onBeginningOfSpeech() {
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System.err.println("beginning");
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}
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@Override
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@ -155,9 +157,9 @@ public class RecognizerApi implements RecognitionListener {
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if(speechStarted == 0)
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return;
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processingPd = new ProgressDialog(context);
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processingPd.setMessage("Processing...");
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processingPd.setMessage(processingMessage);
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processingPd.setIndeterminate(true);
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processingPd.setCancelable(true);
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processingPd.setOnCancelListener(new OnCancelListener() {
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@ -174,14 +176,10 @@ public class RecognizerApi implements RecognitionListener {
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sampleRate = 8000; // THIS IS A MAGIC NUMBER@?!!?!?!
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// can i has calculate?
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System.err.println("computed sample rate: " + sampleRate);
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encoder.init(64000, 1, sampleRate, 16, aacFile);
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encoder.encode(baos.toByteArray());
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System.err.println("end");
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encoder.uninit();
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}
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@ -217,5 +215,5 @@ public class RecognizerApi implements RecognitionListener {
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@Override
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public void onRmsChanged(float arg0) {
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}
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}
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