Voice Recognition

This post about how to search voice based search places instead typing the text.

Source Code

Call Voice recognition 

 Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
        intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);

        intent.putExtra(RecognizerIntent.EXTRA_PROMPT, "Tell me what you want");


Retrun Result Method

 @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if(requestCode == REQUEST_RECOGNIZE && resultCode == Activity.RESULT_OK) {
            ArrayList<String> matches = data.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS);
            StringBuilder sb = new StringBuilder();
            for(String piece : matches) {
                sb.append(piece);
                sb.append('\n');
            }
            if(matches.size() !=0){
            for(int i = 0; i<matches.size(); i++){
              text.setText("**********Single Values************ /n"+matches.get(0));
            }
            }
           
        } else {
            Toast.makeText(this, "Operation Canceled", Toast.LENGTH_SHORT).show();
        }

    }

Full Source Code

import java.util.ArrayList;

import android.app.Activity;

import android.app.AlertDialog;

import android.content.ActivityNotFoundException;

import android.content.DialogInterface;

import android.content.Intent;

import android.net.Uri;

import android.os.Bundle;

import android.speech.RecognizerIntent;

import android.widget.TextView;

import android.widget.Toast;

public class MainActivity extends Activity {

    private static final int REQUEST_RECOGNIZE = 100;

    TextView text;

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        text = new TextView(this);

        setContentView(text);

        

        Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);

        intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);

        intent.putExtra(RecognizerIntent.EXTRA_PROMPT, "Tell me what you want");

        try {

            startActivityForResult(intent, REQUEST_RECOGNIZE);

        } catch (ActivityNotFoundException e) {

            AlertDialog.Builder builder = new AlertDialog.Builder(this);

            builder.setTitle("Not Available");

            builder.setMessage("No recognition software installed.Download ?");

            builder.setPositiveButton("Yes", new DialogInterface.OnClickListener() {

                @Override

                public void onClick(DialogInterface dialog, int which) {

                    Intent marketIntent = new Intent(Intent.ACTION_VIEW);

                    marketIntent.setData(Uri.parse("https://play.google.com/store/apps/details?id=com.google.android.voicesearch"));

                }

            });

            builder.setNegativeButton("No", null);

            builder.create().show();

        }

    }

    /**

     * Handle the results from the voice recognition activity.

     */

    @Override

    protected void onActivityResult(int requestCode, int resultCode, Intent data) {

        if(requestCode == REQUEST_RECOGNIZE && resultCode == Activity.RESULT_OK) {

            ArrayList<String> matches = data.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS);

            StringBuilder sb = new StringBuilder();

            for(String piece : matches) {

                sb.append(piece);

                sb.append('\n');

            }

            if(matches.size() !=0){

            for(int i = 0; i<matches.size(); i++){

            text.setText("**********Single Values************ /n"+matches.get(0));

            }

            }

           

        } else {

            Toast.makeText(this, "Operation Canceled", Toast.LENGTH_SHORT).show();

        }

    }

}