ANDROID TEXT TO SPEECH

1.when type a text in android text field it will be converted into voice.
2.when click about us.it will also speak.it has been defined in string array.

android activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical"
    android:background="#ffffff">
   
<TextView android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="TEXT TO SPEECH IN ANDROID"
    android:textColor="#ff0000"
    android:textSize="26dip"
    android:gravity="center"
    android:textStyle="bold"/>

    <EditText
        android:id="@+id/txtText"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_margin="10dip"
        android:layout_marginTop="20dip"
        android:hint="Enter  text to speak" />
   
    <Button android:id="@+id/btnSpeak"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="Speak "
        android:layout_margin="10dip"/>

    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="ABOUT US" />

</LinearLayout>



this is java file.

package com.example.t.to.speech;

import java.util.Locale;
import java.util.Random;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.speech.tts.TextToSpeech;
import android.speech.tts.TextToSpeech.OnInitListener;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;

public class MainActivity extends Activity implements
TextToSpeech.OnInitListener {
/** Called when the activity is first created. */

private TextToSpeech ts;
private Button btnSpeak;
private EditText txtText;

static final String[] texts={"hai this appllication desgined by anand welcome to  android world"};

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

ts = new TextToSpeech(this, this);

btnSpeak = (Button) findViewById(R.id.btnSpeak);
Button b =(Button)findViewById(R.id.button1);

txtText = (EditText) findViewById(R.id.txtText);
ts = new TextToSpeech(MainActivity.this, new TextToSpeech.OnInitListener() {

public void onInit(int status) {
// TODO Auto-generated method stub
if(status!=TextToSpeech.ERROR)
{
ts.setLanguage(Locale.ENGLISH);


}
}
});
 b.setOnClickListener(new OnClickListener() {

public void onClick(View v) {
// TODO Auto-generated method stub
Random r  = new Random();
String random = texts[r.nextInt(1)];
ts.speak(random, TextToSpeech.QUEUE_FLUSH, null);


}
});

// button on click event
btnSpeak.setOnClickListener(new View.OnClickListener() {

public void onClick(View arg0) {
speakOut();
}

});

}

@Override
public void onDestroy() {
// Don't forget to shutdown!
if (ts != null) {
ts.stop();
ts.shutdown();
}
super.onDestroy();
}
@Override
protected void onPause() {
// TODO Auto-generated method stub
    if(ts!=null)
    {
    ts.stop();
    ts.shutdown();
   
    }
super.onPause();
}

public void onInit(int status) {
// TODO Auto-generated method stub

if (status == TextToSpeech.SUCCESS) {

int result = ts.setLanguage(Locale.ENGLISH);

//tts.setPitch(10); // set pitch level

// tts.setSpeechRate(2); // set speech speed rate

if (result == TextToSpeech.LANG_MISSING_DATA
|| result == TextToSpeech.LANG_NOT_SUPPORTED) {
Log.e("TTS", "Language is not supported");
} else {
btnSpeak.setEnabled(true);
speakOut();
}

} else {
Log.e("TTS", "Initilization Failed");

}

}

private void speakOut() {

String text = txtText.getText().toString();

ts.speak(text, TextToSpeech.QUEUE_FLUSH, null);
}
}