Wednesday 27 February 2013

speech to text using android

main.xml:
<?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/LinearLayout1"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".MainActivity" >

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:text="Speach To Text Example"
        android:textAppearance="?android:attr/textAppearanceLarge" />

    <Button
        android:id="@+id/speakButton"
        android:layout_width="150dp"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:layout_marginTop="30dp"
        android:text="Speak" />

    <TextView
        android:id="@+id/displayTextView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:layout_marginTop="30dp"
        android:textAppearance="?android:attr/textAppearanceLarge" />

</LinearLayout>

activaty.java:

package com.test.speechtotext;


import android.os.Bundle;
import java.util.ArrayList;

import android.app.Activity;
import android.content.Intent;

import android.speech.RecognizerIntent;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;

public class SpeechtotextActivity extends Activity {
    /** Called when the activity is first created. */
    TextView displayText;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        displayText = (TextView) findViewById(R.id.displayTextView);

        Button speakButton = (Button) findViewById(R.id.speakButton);

        speakButton.setOnClickListener(new OnClickListener() {

        public void onClick(View v) {
        // TODO Auto-generated method stub

        Intent in = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);

        in.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, "en-US");

        try {
        startActivityForResult(in, 1);
        } catch (Exception e) {
        // TODO: handle exception
        Toast.makeText(
        getApplicationContext(),
        "sorry, your device doesn't support speech to text feature",
        Toast.LENGTH_LONG).show();
        }

        }
        });
        }

        @Override
        protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        // TODO Auto-generated method stub
        if (requestCode == 1) {
        if (resultCode == RESULT_OK && data != null) {
        ArrayList<String> text = data
        .getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS);

        displayText.setText(text.get(0));
        }
        }
        super.onActivityResult(requestCode, resultCode, data);
        }

    }

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