W/TextToSpeech: speak failed: not bound to TTS engine, Sound does not work

I am now trying to implement a function that when the user clicks the button, it will speak input words inside the EditText. But I could not find how to improve my codes, any helps or advice, please.

Following this youtube video
Working with TTS in Android Studio

As I checked some sites, I tried everything, for instance,

・Change the emulator made 3 emulators

・Setting->System->Languages & input->Advanced->Text-to-speech output

・Re-install English(US)

・Preferred engine is Google Text-to-speech Engine

・Check the SDK version, and it is 30

Finally realized that 「W/TextToSpeech: speak failed: not bound to TTS engine」 appears in the android studio

↓MainActivity.java
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<!-- language: lang-html -->

package com.example.sounttest2;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
import android.os.Bundle;
import android.speech.tts.TextToSpeech;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity implements TextToSpeech.OnInitListener{
int MY_DATA_CHECK_CODE = 1000;
TextToSpeech textToSpeech;
EditText editText;
Button button;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
editText = (EditText) findViewById(R.id.editText);
button = (Button) findViewById(R.id.button_tts);
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
String text = editText.getText().toString();
if(text.length() > 0){
textToSpeech.speak(text,TextToSpeech.QUEUE_ADD, null);
}
}
});
Intent intent = new Intent();
intent.setAction(TextToSpeech.Engine.ACTION_CHECK_TTS_DATA);
startActivityForResult(intent, MY_DATA_CHECK_CODE);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == MY_DATA_CHECK_CODE) {
if (resultCode == TextToSpeech.Engine.CHECK_VOICE_DATA_PASS){
textToSpeech = new TextToSpeech(this, this);
} else {
Intent intent = new Intent();
intent.setAction(TextToSpeech.Engine.ACTION_INSTALL_TTS_DATA);
startActivity(intent);
}
}}
@Override
public void onInit(int i) {
if(i == textToSpeech.SUCCESS){
Toast.makeText(this,"Success",Toast.LENGTH_SHORT).show();
} else if (i == textToSpeech.ERROR){
Toast.makeText(this,"Error",Toast.LENGTH_SHORT).show();
}
}
}

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activity_main.xml
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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:gravity="center"
tools:context=".MainActivity" >
<EditText
android:id="@+id/editText"
android:hint="@string/hint"
android:layout_margin="20dp"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
<Button
android:id="@+id/button_tts"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="20dp"
android:text="@string/button" />
</LinearLayout>

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↓strings.xml
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<resources>
<string name="app_name">Test</string>
<string name="hint">"Please Input Something"</string>
<string name="button">Text To Speech</string>
</resources>

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The issue was just an SDKVersion, I used 30. but 29 and 28 SDKVersion is the best for implementation.

See here

If your are using sdk version 30 you need to go back on 28 it will work