Text to Speech Example in Android

Project Structure :

 

activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent" >

    <EditText
        android:id="@+id/input_edit_text"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="78dp"
        android:ems="10" />

    <TextView
        android:id="@+id/label_text_view"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="28dp"
        android:text="Enter Text to Speak"
        android:textAppearance="?android:attr/textAppearanceLarge" />

    <Button
        android:id="@+id/speak_button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@id/label_text_view"
        android:layout_below="@id/input_edit_text"
        android:layout_marginLeft="42dp"
        android:layout_marginTop="20dp"
        android:text="Speak" />

</RelativeLayout>

MainActivity.java

package com.rajeshvijayakumar.text2speech;

import java.util.Locale;

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

public class MainActivity extends Activity implements OnInitListener, OnClickListener {

    private TextToSpeech mText2Speech;
    private EditText mInputEditText;
    private Button mSpeakButton;

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

        mInputEditText = (EditText) findViewById(R.id.input_edit_text);
        mSpeakButton = (Button) findViewById(R.id.speak_button);
        mText2Speech = new TextToSpeech(MainActivity.this, MainActivity.this);
        mSpeakButton.setOnClickListener(this);

    }

    @Override
    public void onInit(int status) {
      
        if(status == TextToSpeech.SUCCESS) {
            mText2Speech.setLanguage(Locale.getDefault());
        }
      
    }

    @Override
    public void onClick(View v) {

        String speakText = mInputEditText.getText().toString();
        switch(v.getId()) {
        case R.id.speak_button :
                if(mText2Speech.isSpeaking()) {
                    mText2Speech.stop();
                    mText2Speech.shutdown();
                } else {
                    mText2Speech.speak(speakText, TextToSpeech.QUEUE_FLUSH, null);
                }
            break;
        }
    }
}

AndroidMainfest.xml

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.rajeshvijayakumar.text2speech"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="7"
        android:targetSdkVersion="16" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name" >
        <activity
            android:name="com.rajeshvijayakumar.text2speech.MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

Output :

Source Code : Download this Example Here