Is there any way to edittext hint to convert to TTS

Question

Hello I am a beginner for android development , The requirement in my app is when user clicks on EditText the hint Text should also should be converted from Text to Speech using TTS . But i am not getting how to do it,I have tried in EditText's Onclicklistner its not working .

I have taken basic code from google.

XML CODE

 <?xml version="1.0" encoding="utf-8"?>
    <LinearLayout 
        xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:app="http://schemas.android.com/apk/res-auto"
        xmlns:tools="http://schemas.android.com/tools"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:gravity="center"
        android:orientation="vertical"
        android:paddingLeft="20dp"
        android:paddingRight="20dp"
        tools:context=".MainActivity">
    <TextView
        android:id="@+id/textView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginBottom="50dp"
        android:gravity="center_horizontal"
        android:text="Android Text to Speech (TTS) Demo"
        android:textAppearance="@style/TextAppearance.AppCompat.Headline"/>
    <EditText
        android:id="@+id/et"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@drawable/edit_text_style"
        android:hint="Enter the text here"
        android:paddingBottom="10dp"
        android:paddingLeft="10dp"
        android:paddingRight="10dp"
        android:paddingTop="10dp" />
    <Button
        android:id="@+id/btn"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginVertical="10dp"
        android:elevation="0dp"
        android:paddingHorizontal="30dp"
        android:text="Click to convert text to speech" />
</LinearLayout>

JAVA CODE

public class MainActivity extends AppCompatActivity
{
    private TextToSpeech textToSpeech;
    private Button btn;
    private EditText editText;
    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        btn = (Button) findViewById(R.id.btn);
        editText = (EditText) findViewById(R.id.et);
        textToSpeech = new TextToSpeech(getApplicationContext(), new  
        TextToSpeech.OnInitListener()
        {
            @Override
            public void onInit(int status)
            {
                if (status == TextToSpeech.SUCCESS)
                {
                    int ttsLang = textToSpeech.setLanguage(Locale.UK);
                    if (ttsLang == TextToSpeech.LANG_MISSING_DATA || ttsLang == 
                    TextToSpeech.LANG_NOT_SUPPORTED)
                    {
                        Log.e("TTS", "The Language is not supported!");
                    }
                    else
                    {
                        Log.i("TTS", "Language Supported.");
                    }
                    Log.i("TTS", "Initialization success.");
                }
                else
                {
                    Toast.makeText(getApplicationContext(), "TTS Initialization 
                    failed!", Toast.LENGTH_SHORT).show();
                }
            }
        });
        editText.setOnClickListener(new View.OnClickListener()
        {
            @Override
            public void onClick(View arg0)
            {
                String data = editText.getText().toString();
                int speechStatus = textToSpeech.speak(data, 
                TextToSpeech.QUEUE_FLUSH,null);
                if (speechStatus == TextToSpeech.ERROR)
                {
                    Log.e("TTS", "Error in converting Text to Speech!");
                }
            }
        });

//        btn.setOnClickListener(new View.OnClickListener()
//        {
//            @Override
//            public void onClick(View arg0)
//            {
//                String data = editText.getText().toString();
//               // Log.i("TTS", "button clicked: " + data);
//                int speechStatus = textToSpeech.speak(data, TextToSpeech.QUEUE_FLUSH, null);
//                if (speechStatus == TextToSpeech.ERROR)
//                {
//                    Log.e("TTS", "Error in converting Text to Speech!");
//                }
//            }
//        });
    }
    @Override
    public void onDestroy()
    {
        super.onDestroy();
        if (textToSpeech != null)
        {
            textToSpeech.stop();
            textToSpeech.shutdown();
        }
    }
}