public class SpeechRecognizer extends Activity implements OnInitListener{
    private static final int REQUEST_CODE = 1234;
    Button Start;
    TextView Speech;
    Dialog match_text_dialog;
    ListView textlist;
    String userRequest;
    private TextToSpeech tts;
    ArrayList<String> matches_text;
    private boolean initialized = false;
    private String queuedText;
    ArrayList<String> EnquiryList;
    //ArrayList<String> questionsList;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_speech_recognizer);
        //  initQuestions();

        Start = (Button)findViewById(R.id.start_reg);
        Speech = (TextView)findViewById(R.id.speech);
        tts = new TextToSpeech(this /* context */, this /* listener */);
        Start.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                if(isConnected()){
                    callSpeechRecognition();
                }
                else{
                    Toast.makeText(getApplicationContext(), "Please Connect to Internet", Toast.LENGTH_LONG).show();
                }}
        });
    }
    private void callSpeechRecognition()
    {
        Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
        intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL,
                RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
        startActivityForResult(intent, REQUEST_CODE);
    }
    public  boolean isConnected()
    {
        ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo net = cm.getActiveNetworkInfo();
        if (net!=null && net.isAvailable() && net.isConnected()) {
            return true;
        } else {
            return false;
        }
    }
    private void callEnquiryForm() {
        // TODO Auto-generated method stub
        Intent intent = new Intent(getBaseContext(), CreateEnquiry.class);
        startActivity(intent);
    }
    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (requestCode == REQUEST_CODE && resultCode == RESULT_OK) {
            match_text_dialog = new Dialog(SpeechRecognizer.this);
            match_text_dialog.setContentView(R.layout.dialog_matches);
            match_text_dialog.setTitle("Select Matching Text");
            textlist = (ListView)match_text_dialog.findViewById(R.id.list);
            matches_text = data
                    .getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS);
            ArrayAdapter<String> adapter =    new ArrayAdapter<String>(this,
                    android.R.layout.simple_list_item_1, matches_text);
            textlist.setAdapter(adapter);
            textlist.setOnItemClickListener(new AdapterView.OnItemClickListener() {
                @Override
                public void onItemClick(AdapterView<?> parent, View view,
                        int position, long id) {
                    Speech.setText("You have said " + matches_text.get(position));
                    String userRequest=matches_text.get(position);
                    QuestionsList enquiryList=new QuestionsList();
                    EnquiryList=enquiryList.loadQuestions();
                    if((userRequest.contains("enquiry"))||(userRequest.contains("query")))
                    {
                        //callEnquiryForm();
                        processEnquiry();
                    }
                    match_text_dialog.hide();
                }
            });
            match_text_dialog.show();
        }
        super.onActivityResult(requestCode, resultCode, data);
    }
    private void processEnquiry() {
        // TODO Auto-generated method stub
        for(int i=0;i<EnquiryList.size();i++)
        {
            speak(EnquiryList.get(i).toString());
            callSpeechRecognition();
        }
    }
    @Override
    public void onInit(int status) {
        if (status == TextToSpeech.SUCCESS) {
            initialized = true;
            tts.setLanguage(Locale.ENGLISH);
            if (queuedText != null) {
                speak(queuedText);
            }
        }
    }

    public void speak(String text) {
        // If not yet initialized, queue up the text.
        if (!initialized) {
            queuedText = text;
            return;
        }
        queuedText = null;
        // Before speaking the current text, stop any ongoing speech.
        //tts.stop();
        // Speak the text.
        tts.speak(text, TextToSpeech.QUEUE_ADD, null);
    }
}