[안드로이드] tts(TextToSpeech) example

TTS 예제 프로그램입니다.

setLanguage() // 지역 선택

setPitch() // 낮거나 높은음을 일정하게 맞춰 주는 옵션

setSpeechRate() // 재생 속도

speak()                // 재생

실행 화면

코드 사용 (xml)

<RelativeLayout
	android:layout_width="match_parent"
	android:layout_height="match_parent">

	<EditText
		android:layout_width="match_parent"
		android:layout_height="wrap_content"
		android:layout_marginTop="20dp"
		android:id="@+id/et"
		android:text="There is something I want to talk to you about."/>

	<Button
		android:layout_width="match_parent"
		android:layout_height="wrap_content"
		android:layout_marginTop="20dp"
		android:layout_below="@+id/et"
		android:text="play"
		android:id="@+id/play"/>

	<RadioGroup
		android:layout_width="match_parent"
		android:layout_height="wrap_content"
		android:id="@+id/rg_local"
		android:layout_marginTop="20dp"
		android:orientation="horizontal"
		android:layout_below="@id/play">

		<RadioButton
			android:layout_width="wrap_content"
			android:layout_height="wrap_content"
			android:checked="true"
			android:id="@+id/rb_local1"
			android:text="us"/>

		<RadioButton
			android:layout_width="wrap_content"
			android:layout_height="wrap_content"
			android:id="@+id/rb_local2"
			android:text="korea"/>

	</RadioGroup>

	<RadioGroup
		android:layout_width="match_parent"
		android:layout_height="wrap_content"
		android:id="@+id/rg_pitch"
		android:layout_marginTop="20dp"
		android:orientation="horizontal"
		android:layout_below="@id/rg_local">

		<RadioButton
			android:layout_width="wrap_content"
			android:layout_height="wrap_content"
			android:checked="true"
			android:id="@+id/rb_pitch1"
			android:text="pitch row"/>

		<RadioButton
			android:layout_width="wrap_content"
			android:layout_height="wrap_content"
			android:id="@+id/rb_pitch2"
			android:checked="true"
			android:text="pitch normal"/>

		<RadioButton
			android:layout_width="wrap_content"
			android:layout_height="wrap_content"
			android:id="@+id/rb_pitch3"
			android:text="pitch high"/>
	</RadioGroup>

	<RadioGroup
		android:layout_width="match_parent"
		android:layout_height="wrap_content"
		android:id="@+id/rg_rate"
		android:layout_marginTop="20dp"
		android:orientation="horizontal"
		android:layout_below="@id/rg_pitch">

		<RadioButton
			android:layout_width="wrap_content"
			android:layout_height="wrap_content"
			android:id="@+id/rb_rate1"
			android:text="x0.1"/>

		<RadioButton
			android:layout_width="wrap_content"
			android:layout_height="wrap_content"
			android:id="@+id/rb_rate2"
			android:checked="true"
			android:text="x1"/>

		<RadioButton
			android:layout_width="wrap_content"
			android:layout_height="wrap_content"
			android:id="@+id/rb_rate3"
			android:text="x2"/>

		<RadioButton
			android:layout_width="wrap_content"
			android:layout_height="wrap_content"
			android:id="@+id/rb_rate4"
			android:text="x3"/>

		<RadioButton
			android:layout_width="wrap_content"
			android:layout_height="wrap_content"
			android:id="@+id/rb_rate5"
			android:text="x4"/>
	</RadioGroup>

	<RadioGroup
		android:layout_width="match_parent"
		android:layout_height="wrap_content"
		android:id="@+id/rg_queue"
		android:layout_marginTop="20dp"
		android:orientation="horizontal"
		android:layout_below="@id/rg_rate">

		<RadioButton
			android:layout_width="wrap_content"
			android:layout_height="wrap_content"
			android:checked="true"
			android:id="@+id/rb_queue_add"
			android:text="QUEUE_ADD"/>

		<RadioButton
			android:layout_width="wrap_content"
			android:layout_height="wrap_content"
			android:id="@+id/rb_queue_flush"
			android:text="QUEUE_FLUSH"/>
	</RadioGroup>
</RelativeLayout>

코드 사용

import android.content.ComponentName;
import android.content.Intent;
import android.os.Build;
import android.os.Bundle;
import android.speech.tts.TextToSpeech;
import android.support.annotation.IdRes;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.RadioGroup;

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

public class MainActivity extends AppCompatActivity {

    private TextToSpeech mTts = null;
    private Locale mLocale = Locale.US;
    private float mPitch = (float) 0;
    private float mRate = (float) 0;
    private int mQueue = TextToSpeech.QUEUE_ADD;

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

        final EditText et = (EditText) findViewById(R.id.et);
        Button play = (Button) findViewById(R.id.play);
        play.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                if(mTts != null) {
                    if(et != null) {
                        String text = et.getText().toString();
                        if(text.length() > 0) {
                            setLanguage(mLocale);
                            setPitch(mPitch);
                            setSpeechRate(mRate);
                            speak(text, 0);
                        }
                    }
                }
            }
        });
        RadioGroup lay_local = (RadioGroup) findViewById(R.id.rg_local);
        RadioGroup lay_pitch = (RadioGroup) findViewById(R.id.rg_pitch);
        RadioGroup lay_rate = (RadioGroup) findViewById(R.id.rg_rate);
        RadioGroup lay_queue = (RadioGroup) findViewById(R.id.rg_queue);
        lay_local.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(RadioGroup radioGroup, @IdRes int id) {
                if(id == R.id.rb_local1) {
                    mLocale = Locale.US;
                } else {
                    mLocale = Locale.KOREA;
                }
            }
        });
        lay_pitch.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(RadioGroup radioGroup, @IdRes int id) {
                if(id == R.id.rb_pitch1) {
                    mPitch = (float) 0.1;
                } else if(id == R.id.rb_pitch2) {
                    mPitch = 1;
                } else if(id == R.id.rb_pitch3) {
                    mPitch = 2;
                }
            }
        });
        lay_rate.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(RadioGroup radioGroup, @IdRes int id) {
                if(id == R.id.rb_rate1) {
                    mRate = (float) 0.1;
                } else if(id == R.id.rb_rate2) {
                    mRate = 1;
                } else if(id == R.id.rb_rate3) {
                    mRate = 2;
                } else if(id == R.id.rb_rate4) {
                    mRate = 3;
                } else if(id == R.id.rb_rate5) {
                    mRate = 4;
                }
            }
        });
        lay_queue.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(RadioGroup radioGroup, @IdRes int id) {
                if(id == R.id.rb_queue_add) {
                    mQueue = TextToSpeech.QUEUE_ADD;
                } else {
                    mQueue = TextToSpeech.QUEUE_FLUSH;
                }
            }
        });
        init();
    }

    @Override
    protected void onPause() {
        super.onPause();
        if (mTts != null) {
            if(mTts.isSpeaking()) {
                mTts.stop();
            }
        }
    }

    @Override
    public void onDestroy() {
        if (mTts != null) {
            if(mTts.isSpeaking()) {
                mTts.stop();
            }
            mTts.shutdown();
        }
        super.onDestroy();
    }

    private void init() {
        mTts = new TextToSpeech(getBaseContext(), new TextToSpeech.OnInitListener() {
            @Override
            public void onInit(int status) {
                if(status == TextToSpeech.SUCCESS) {
                } else{
                    // todo: fail 시 처리
                    startActivity(getSettingActIntent());
                }
            }
        });
    }

    /** 언어 선택 */
    public void setLanguage(Locale locale){
        if(mTts!=null)
            mTts.setLanguage(locale);
    }

    public void setPitch(float value){
        if(mTts!=null)
            mTts.setPitch(value);
    }

    /** 속도 선택 */
    public void setSpeechRate(float value){
        if(mTts!=null)
            mTts.setSpeechRate(value);
    }

    /** TTS 설정 으로 이동 */
    public Intent getSettingActIntent(){
        Intent intent = new Intent();
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH){
            intent.setAction("com.android.settings.TTS_SETTINGS");
            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        }else {
            intent.addCategory(Intent.CATEGORY_LAUNCHER);
            intent.setComponent(new ComponentName("com.android.settings", "com.android.settings.TextToSpeechSettings"));
            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        }
        return intent;
    }

    /** 재생 */
    public void speak(String text, int resId){
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP){
            if(mTts != null)
                mTts.speak(text, mQueue, null, ""+resId);
        }else {
            HashMap<String, String> map = new HashMap<>();
            map.put(TextToSpeech.Engine.KEY_PARAM_UTTERANCE_ID, ""+resId);
            if(mTts != null)
                mTts.speak(text, mQueue, map);
        }
    }
}