Android™

IBM Cloud - Text to Speech - Synthesize Audio (POST)

See more IBM Text to Speech Examples

Synthesizes text to audio that is spoken in the specified voice. Uses a POST which allows for more text to be synthesized. Android™

// Important: Don't forget to include the call to System.loadLibrary
// as shown at the bottom of this code sample.
package com.test;

import android.app.Activity;
import com.chilkatsoft.*;

import android.widget.TextView;
import android.os.Bundle;

public class SimpleActivity extends Activity {

  private static final String TAG = "Chilkat";

  // Called when the activity is first created.
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    boolean success = false;

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkHttp http = new CkHttp();

    http.put_Login("apikey");
    http.put_Password("my_apikey");
    http.put_BasicAuth(true);

    // Send the following request:

    // curl -X POST -u "apikey:{apikey}" 
    //    --header "Content-Type: application/json" 
    //    --header "Accept: audio/wav" 
    //    --data "{\"text\":\"When life gives you lemons, order the lobster tail.\"}" 
    //    --output lobster.wav "{url}/v1/synthesize?voice=en-US_AllisonV3Voice"

    // Use your base URL shown in the credentials web page (below your apikey)
    String myBaseUrl = "https://api.us-south.text-to-speech.watson.cloud.ibm.com/instances/31941e96-7b89-4d56-8993-9cd8f18ec2d8";

    CkStringBuilder sbUrl = new CkStringBuilder();
    sbUrl.Append(myBaseUrl);
    sbUrl.Append("/v1/synthesize?voice=en-US_AllisonV3Voice");

    http.put_Accept("audio/wav");

    CkJsonObject json = new CkJsonObject();
    json.UpdateString("text","When life gives you lemons, order the lobster tail.");

    String url = sbUrl.getAsString();
    CkHttpResponse resp = new CkHttpResponse();
    success = http.HttpJson("POST",url,json,"application/json",resp);
    if (success == false) {
        Log.i(TAG, http.lastErrorText());
        return;
        }

    int respStatusCode = resp.get_StatusCode();
    Log.i(TAG, "response status code = " + String.valueOf(respStatusCode));

    if (respStatusCode == 200) {
        success = resp.SaveBodyBinary("qa_output/lobster.wav");
        Log.i(TAG, "Success!");
        }
    else {
        Log.i(TAG, resp.bodyStr());
        }


  }

  static {
      System.loadLibrary("chilkat");

      // Note: If the incorrect library name is passed to System.loadLibrary,
      // then you will see the following error message at application startup:
      //"The application <your-application-name> has stopped unexpectedly. Please try again."
  }
}