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Template for Language Translation App for Android (some bugs may occur)

package com.example.obobotette0.cosc631;

import android.content.ActivityNotFoundException;
import android.content.Context;
import android.content.Intent;
import android.location.Criteria;
import android.location.LocationManager;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.speech.RecognitionListener;
import android.speech.RecognizerIntent;
import android.speech.SpeechRecognizer;
import android.speech.tts.TextToSpeech;
import android.support.v7.app.AppCompatActivity;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.Toast;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.ArrayList;
import java.util.Locale;
import java.util.UUID;

public class MainActivity extends AppCompatActivity {
    String choice, choice2, langlocale;
    TextToSpeech speak_button;
    SpeechRecognizer record;
    Intent text_button;

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater seeMenu = getMenuInflater();
        seeMenu.inflate(R.menu.menu_main, menu);
        return true;
    }

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

        Spinner pick = (Spinner) findViewById(R.id.input);
        pick.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
            @Override
            public void onItemSelected(AdapterView adapterView, View view, int i, long l) {

                switch(i){
                    case 0:
                        choice = "en";
                        break;
                    case 1:
                        choice = "fr";
                        break;
                    case 2:
                        choice = "it";
                        break;
                    case 3:
                        choice = "de";
                        break;
                    case 4:
                        choice = "zh-TW";
                        break;
                    case 5:
                        choice = "es";
                        break;
                }
            }

            @Override
            public void onNothingSelected(AdapterView adapterView) {

            }
        });
        Spinner ret = (Spinner) findViewById(R.id.output);
        ret.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
            @Override
            public void onItemSelected(AdapterView adapterView, View view, int i, long l) {

                switch(i){
                    case 0:
                        choice2 = "en";

                        break;
                    case 1:
                        choice2 = "fr";

                        break;
                    case 2:
                        choice2 = "it";

                        break;
                    case 3:
                        choice2 = "de";

                        break;
                    case 4:
                        choice2 = "zh-CN";

                        break;
                    case 5:
                        choice2 = "es";
                        break;
                }
            }

            @Override
            public void onNothingSelected(AdapterView adapterView) {

            }
        });

        //Enable text to sppech button
        Button speak = (Button) findViewById(R.id.text2sp);

        speak.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                final TextView run = (TextView) findViewById(R.id.textView);
                //Toast.makeText(getApplicationContext(), run.getText().toString(),Toast.LENGTH_SHORT).show();
                speak_button = new TextToSpeech(getApplicationContext(), new TextToSpeech.OnInitListener() {
                    @Override
                    public void onInit(int status) {
                        if(status != TextToSpeech.ERROR) {
                            speak_button.setLanguage(Locale.US);
                        }

                        //switch case for language
                        switch(choice2){
                            case "en":

                                speak_button.setLanguage(Locale.ENGLISH);
                                break;
                            case "fr":

                                speak_button.setLanguage(Locale.FRENCH);
                                break;
                            case "it":

                                speak_button.setLanguage(Locale.ITALIAN);
                                break;
                            case "de":

                                speak_button.setLanguage(Locale.GERMAN);
                                break;
                            case "zh-CN":

                                speak_button.setLanguage(Locale.CHINESE);
                                break;
                            case "es":
                                choice2 = "es";
                                break;
                        }

                        //speak_button.setLanguage(new Locale(langlocale));
                        speak_button.speak(run.getText().toString(), TextToSpeech.QUEUE_FLUSH, null, UUID.randomUUID().toString());

                    }
                });;
            }
        });

        Button text = (Button) findViewById(R.id.sp2text);
        record = SpeechRecognizer.createSpeechRecognizer(this);
        record.setRecognitionListener(new RecognitionListener() {
            @Override
            public void onReadyForSpeech(Bundle bundle) {

            }

            @Override
            public void onBeginningOfSpeech() {

            }

            @Override
            public void onRmsChanged(float v) {

            }

            @Override
            public void onBufferReceived(byte[] bytes) {

            }

            @Override
            public void onEndOfSpeech() {

            }

            @Override
            public void onError(int i) {

            }

            @Override
            public void onResults(Bundle bundle) {
                ArrayList print = bundle.getStringArrayList(SpeechRecognizer.RESULTS_RECOGNITION);
                EditText show = (EditText) findViewById(R.id.editText);
                show.setText(print.get(0));

            }

            @Override
            public void onPartialResults(Bundle bundle) {

            }

            @Override
            public void onEvent(int i, Bundle bundle) {

            }
        });
        text.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                text_button = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
                text_button.putExtra(RecognizerIntent.EXTRA_LANGUAGE_PREFERENCE, Locale.getDefault());
                text_button.putExtra(RecognizerIntent.EXTRA_CALLING_PACKAGE, getClass().getPackage().getName());
                text_button.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
                text_button.putExtra(RecognizerIntent.EXTRA_PROMPT, "Please speak into the microphone");
                try {
                    startActivityForResult(text_button, 100);
                    //record.startListening(text_button);
                }catch(ActivityNotFoundException nf)
                {
                    Toast.makeText(getApplicationContext(), "An error occured during recording", Toast.LENGTH_LONG).show();
                }

                //record.startListening(text_button);

            }

            public void OnActivityResult(int request, int result, Intent data){

                if(request == 100 && result == RESULT_OK && data != null){
                    ArrayList print = data.getStringArrayListExtra(SpeechRecognizer.RESULTS_RECOGNITION);
                    EditText show = (EditText) findViewById(R.id.editText);
                    show.setText(print.get(0));
                }
            }
        });

        // Get the location manager
        LocationManager locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
        String provider;
        // Define the criteria how to select the locatioin provider -> use
        // default
        Criteria criteria = new Criteria();
        provider = locationManager.getBestProvider(criteria, false);
        //Location location = locationManager.getLastKnownLocation(provider);


    }

    @Override
    public void onPause(){
        if(speak_button !=null){
            speak_button.stop();
            speak_button.shutdown();
        }
        super.onPause();
    }

    @Override
    //Method for when menu buttons are pressed
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            // When the user clicks FETCH, fetch the first 500 characters of
            // raw HTML from www.google.com.
            case R.id.fetch_action:
                EditText read = (EditText) findViewById(R.id.editText);
                TextView write = (TextView) findViewById(R.id.textView);

                //Sections for google translate api
                Uri.Builder urlbuilder = new Uri.Builder();
                urlbuilder.scheme("https")
                        .authority("www.googleapis.com")
                        .appendPath("language")
                        .appendPath("translate")
                        .appendPath("v2")
                        .appendQueryParameter("q", read.getText().toString())
                        .appendQueryParameter("target", choice2)
                        .appendQueryParameter("format", "text")
                        .appendQueryParameter("source", choice)
                        .appendQueryParameter("key", "Google API Key");

                //Call another process for web communication
                new getFromSite().execute(urlbuilder.build().toString());
                //write.setText(return_string.readLine());
                return true;
            // Clear the log view fragment.
            case R.id.clear_action:
                //Erase text fields
                read = (EditText) findViewById(R.id.editText);
                read.setText("");
                write = (TextView) findViewById(R.id.textView);
                write.setText("");
                return true;
        }
        return false;
    }

    /**
     * This was adapted from teh network connect app
     *
     * Implementation of AsyncTask, to fetch the data in the background away from
     * the UI thread.
     */
    private class getFromSite extends AsyncTask {

        @Override
        protected String doInBackground(String... urls) {
            try {
                return loadFromNetwork(urls[0]);
            } catch (IOException e) {
                return getString(R.string.connection_error);
            }
        }

        /**
         * Uses the logging framework to display the output of the fetch
         * operation in the log fragment.
         */
        @Override
        protected void onPostExecute(String result) {
            TextView write = (TextView) findViewById(R.id.textView);
            //JsonReader print = new JsonReader(result);
            try {
                JSONObject parse = new JSONObject(result);
                JSONObject next = parse.getJSONObject("data");
                JSONArray array = next.optJSONArray("translations");
                JSONObject ret = array.getJSONObject(0);
                write.setText(ret.optString("translatedText").toString());
            } catch (JSONException e) {
                e.printStackTrace();
            }

        }
    }

    /** Initiates the fetch operation. */
    private String loadFromNetwork(String urlString) throws IOException {
        InputStream stream = null;
        String str ="";

        try {
            stream = downloadUrl(urlString);
            str = readIt(stream, 500);
        } finally {
            if (stream != null) {
                stream.close();
            }
        }
        return str;
    }

    /**
     * Given a string representation of a URL, sets up a connection and gets
     * an input stream.
     * @param urlString A string representation of a URL.
     * @return An InputStream retrieved from a successful HttpURLConnection.
     * @throws java.io.IOException
     */
    private InputStream downloadUrl(String urlString) throws IOException {
        // BEGIN_INCLUDE(get_inputstream)
        URL url = new URL(urlString);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setReadTimeout(10000 /* milliseconds */);
        conn.setConnectTimeout(15000 /* milliseconds */);
        conn.setRequestMethod("GET");
        conn.setDoInput(true);
        // Start the query
        conn.connect();
        InputStream stream = conn.getInputStream();
        return stream;
        // END_INCLUDE(get_inputstream)
    }

    /** Reads an InputStream and converts it to a String.
     * @param stream InputStream containing HTML from targeted site.
     * @param len Length of string that this method returns.
     * @return String concatenated according to len parameter.
     * @throws java.io.IOException
     * @throws java.io.UnsupportedEncodingException
     */
    private String readIt(InputStream stream, int len) throws IOException, UnsupportedEncodingException {
        Reader reader = null;
        reader = new InputStreamReader(stream, "UTF-8");
        char[] buffer = new char[len];
        reader.read(buffer);
        return new String(buffer);
    }

}

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