[Nova Cursos] Aula9 - TTS

ExerciseActivity.java

package araujo.jordan.a7minnova.activities;

import android.annotation.TargetApi;
import android.content.Intent;
import android.os.Build;
import android.os.Bundle;
import android.speech.tts.TextToSpeech;
import android.speech.tts.UtteranceProgressListener;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.View;

import java.util.HashMap;
import java.util.Locale;

import araujo.jordan.a7minnova.R;

public class ExerciseActivity extends AppCompatActivity implements TextToSpeech.OnInitListener {

    private static final int MY_DATA_CHECK_CODE = 111;
    private TextToSpeech mTts;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_exercise);
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        Intent checkIntent = new Intent();
        checkIntent.setAction(TextToSpeech.Engine.ACTION_CHECK_TTS_DATA);
        startActivityForResult(checkIntent, MY_DATA_CHECK_CODE);
    }

    protected void onActivityResult(
            int requestCode, int resultCode, Intent data) {
        if (requestCode == MY_DATA_CHECK_CODE) {
            if (resultCode == TextToSpeech.Engine.CHECK_VOICE_DATA_PASS) {
                // success, create the TTS instance
                mTts = new TextToSpeech(this, this);
                mTts.setLanguage(Locale.getDefault());
                start();
            } else {
                // missing data, install it
                Intent installIntent = new Intent();
                installIntent.setAction(
                        TextToSpeech.Engine.ACTION_INSTALL_TTS_DATA);
                startActivity(installIntent);
            }
        }
    }

    private void start() {

        String text = "Vamos começar nosso exercício de abdominal. Vamos lá! Em 3, 2, 1. 1 , 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13," +
                "14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 e 30! Muito bem!";

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            ttsGreater21(text);
        } else {
            ttsUnder20(text);
        }

        mTts.setOnUtteranceProgressListener(new UtteranceProgressListener() {
            @Override
            public void onStart(String utteranceId) {

            }

            @Override
            public void onDone(String utteranceId) {
                finish();
            }

            @Override
            public void onError(String utteranceId) {

            }
        });
    }

    @SuppressWarnings("deprecation")
    private void ttsUnder20(String text) {
        HashMap<String, String> map = new HashMap<>();
        map.put(TextToSpeech.Engine.KEY_PARAM_UTTERANCE_ID, "MessageId");
        mTts.speak(text, TextToSpeech.QUEUE_FLUSH, map);
    }

    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
    private void ttsGreater21(String text) {
        String utteranceId=this.hashCode() + "";
        mTts.speak(text, TextToSpeech.QUEUE_FLUSH, null, utteranceId);
    }

    @Override
    public void onInit(int status) {

    }
}