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IBM Watson hat einen Visual Service Recognition: http://www.ibm.com/watson/developercloud/visual-recognition.htmlAndroid IBM Watson visuelle Erkennungsdienst
Hier ist die API-Explorer Aufrufen der API zu testen: http://www.ibm.com/watson/developercloud/visual-recognition/api/v3/
Die Tutorials und API-Referenz in der Dokumentation zur Verfügung stehen .
Ich versuche, den Dienst zu nutzen, um die JSON-Daten Antwort durch android abzurufen. Nach dem Debuggen zeigt es jedoch Fehler 404. Ich bin völlig verloren, wie Sie dieses Problem beheben können.
Wenn Sie jetzt den folgenden Code auszuführen, bitte api_key in Main_activity.java mit Ihrem eigenen Schlüssel ersetzen. Dieser Schlüssel wird generiert, wenn Sie einen eigenen Service für IBM Watsons Visual Recognition Service auf IBM Bluemix erstellen.
Hier ist meine MainActivity.java Datei:
package com.innam.httpapptotestrestservice;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.ImageView;
import android.widget.MediaController;
import android.widget.TextView;
import android.widget.Toast;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
public class MainActivity extends AppCompatActivity {
TextView etResponse;
TextView tvIsConnected;
TextView imageRespone;
ImageView imgPreview;
// VideoView vidPreview;
private static final int CAMERA_CAPTURE_IMAGE_REQUEST_CODE = 100;
private static final int CAMERA_CAPTURE_VIDEO_REQUEST_CODE = 200;
public static final int MEDIA_TYPE_IMAGE = 1;
public static final int MEDIA_TYPE_VIDEO = 2;
private Uri fileUri;
static String IMAGE_DIRECTORY_NAME = "Watson";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// get reference to the views
etResponse = (TextView) findViewById(R.id.etResponse);
tvIsConnected = (TextView) findViewById(R.id.tvIsConnected);
imgPreview = (ImageView) findViewById(R.id.imgPreview);
imageRespone = (TextView) findViewById(R.id.ImgResponse);
MediaController mediaController = new MediaController(this);
// mediaController.setAnchorView(vidPreview);
// vidPreview.setMediaController(mediaController);
// check if you are connected or not
if (isConnected()) {
tvIsConnected.setBackgroundColor(0xFF00CC00);
tvIsConnected.setText("You are conncted");
} else {
tvIsConnected.setText("You are NOT conncted");
}
// call AsynTask to perform network operation on separate thread
new HttpAsyncTaskOne().execute();
}
public static String GET(String url) {
InputStream inputStream = null;
String result = "";
try {
// create HttpClient
HttpClient httpclient = new DefaultHttpClient();
// make GET request to the given URL
HttpResponse httpResponse = httpclient.execute(new HttpGet(url));
// receive response as inputStream
inputStream = httpResponse.getEntity().getContent();
// convert inputstream to string
if (inputStream != null)
result = convertInputStreamToString(inputStream);
else
result = "Did not work!";
} catch (Exception e) {
Log.d("InputStream", e.getLocalizedMessage());
}
return result;
}
private static String convertInputStreamToString(InputStream inputStream) throws IOException {
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
String line = "";
String result = "";
while ((line = bufferedReader.readLine()) != null)
result += line;
inputStream.close();
return result;
}
public boolean isConnected() {
ConnectivityManager connMgr = (ConnectivityManager) getSystemService(Activity.CONNECTIVITY_SERVICE);
NetworkInfo networkInfo = connMgr.getActiveNetworkInfo();
if (networkInfo != null && networkInfo.isConnected())
return true;
else
return false;
}
private class HttpAsyncTaskOne extends AsyncTask<String, Void, String>
{
ProgressDialog pd;
@Override
protected void onPreExecute() {
super.onPreExecute();
pd = ProgressDialog.show(MainActivity.this, "Hi!", "Please wait your response is about to generate");
}
@Override
protected String doInBackground(String... urls) {
//return GET(urls[0]);
return getResponseOne();
}
// onPostExecute displays the results of the AsyncTask.
@Override
protected void onPostExecute(String result) {
pd.dismiss();
Toast.makeText(getBaseContext(), "Received!", Toast.LENGTH_LONG).show();
String formattedResult="";
String classifer_id="" ;
String name="";
String owner="";
String status="";
String created ="";
String classesobj="";
try{
JSONObject jObj = new JSONObject(result);
classifer_id = jObj.optString("classifier_id");
name = jObj.optString("name");
owner = jObj.optString("owner");
status = jObj.optString("status");
created = jObj.optString("created");
JSONArray jsonArray = jObj.optJSONArray("classes");
//Iterate the jsonArray and print the info of JSONObjects
for(int i=0; i < jsonArray.length(); i++)
{
classesobj = jsonArray.getJSONObject(i).optString("class");
//classesobj += jObj.optString("class");
}
formattedResult = "{ \n" + " classifer_id: "+ classifer_id
+ ",\n name: "+ name
+ ",\n owner: "+ owner
+ ",\n status: "+ status
+ ",\n created: "+ created
+ ",\n classes: [\n"+
"{ class: " + classesobj + "}\n" +
" ] \n }";
}
catch(JSONException e) {
e.printStackTrace();
}
etResponse.setText(formattedResult);
}
}
/**
* https://watson-api-explorer.mybluemix.net/visual-recognition/api/v3/classifiers?
* api_key=*****
* @return
*/
private String getResponseOne() {
//String endPointUrl = AppConstants.BASE_URL + "";
/*String params = "api_key=*********" +
"&url=http://thumbs.dreamstime.com/t/orange-apple-banana-isolated-white-background-51942284.jpg" +
"&classifier_ids=default,fruits_960559343" +
"&owners=me,IBM" +
"&threshold=0.2" +
"&version=2016-05-20";*/
String postParams = "api_key=**********" +
"&version=2016-05-19" +
"&negative_examples=negative_examples.zip" +
"&classname_positive_examples=baypay_positive_examples.zip&name=baypay";
//String url = "https://gateway-a.watsonplatform.net/visual-recognition/api/v3/classify?";
String url = "https://watson-api-explorer.mybluemix.net/visual-recognition/api/v3/classifiers?"+postParams;
// String params ="api_key=********" +
// "version=2016-05-19";
//
// String url = "https://watson-api-explorer.mybluemix.net/visual-recognition/api/v3/classifiers/baypay_309108553?" ;
ServiceHandler serviceHandler = new ServiceHandler(this);
try {
// return serviceHandler.doPost(url, params);
return serviceHandler.doGet(url);
} catch (IOException e) {
e.printStackTrace();
}
return "Response Not returned";
}
public void openCamera(View v)
{
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
fileUri = getOutputMediaFileUri(MEDIA_TYPE_IMAGE);
intent.putExtra(MediaStore.EXTRA_OUTPUT, fileUri);
// start the image capture Intent
startActivityForResult(intent, CAMERA_CAPTURE_IMAGE_REQUEST_CODE);
}
/**
* Launching camera app to record video
*/
// public void openVideo(View v) {
// Intent intent = new Intent(MediaStore.ACTION_VIDEO_CAPTURE);
//
// fileUri = getOutputMediaFileUri(MEDIA_TYPE_VIDEO);
//
// // set video quality
// intent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 1);
//
// intent.putExtra(MediaStore.EXTRA_OUTPUT, fileUri); // set the image file
// // name
//
// // start the video capture Intent
// startActivityForResult(intent, CAMERA_CAPTURE_VIDEO_REQUEST_CODE);
// }
String photoPath = "";
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) //what to do once the image has been captured
{
if (requestCode == CAMERA_CAPTURE_IMAGE_REQUEST_CODE) {
if (resultCode == RESULT_OK) {
// successfully captured the image
// launching upload activity
//launchUploadActivity(true);
// bimatp factory
photoPath = fileUri.getPath();
BitmapFactory.Options options = new BitmapFactory.Options();
// down sizing image as it throws OutOfMemory Exception for larger
// images
options.inSampleSize = 8;
final Bitmap bitmap = BitmapFactory.decodeFile(photoPath, options);
imgPreview.setVisibility(View.VISIBLE);
// vidPreview.setVisibility(View.GONE);
imgPreview.setImageBitmap(bitmap);
//next parse result string
} else if (resultCode == RESULT_CANCELED) {
// user cancelled Image capture
Toast.makeText(getApplicationContext(),
"User cancelled image capture", Toast.LENGTH_SHORT)
.show();
} else {
// failed to capture image
Toast.makeText(getApplicationContext(),
"Sorry! Failed to capture image", Toast.LENGTH_SHORT)
.show();
}
}
// else if (requestCode == CAMERA_CAPTURE_VIDEO_REQUEST_CODE) {
// if (resultCode == RESULT_OK) {
//
// // video successfully recorded
// // launching upload activity
//
// imgPreview.setVisibility(View.GONE);
// vidPreview.setVisibility(View.VISIBLE);
// vidPreview.setVideoPath(fileUri.getPath());
// // start playing
// vidPreview.start();
//
//
// } else if (resultCode == RESULT_CANCELED) {
//
// // user cancelled recording
// Toast.makeText(getApplicationContext(),
// "User cancelled video recording", Toast.LENGTH_SHORT)
// .show();
//
// } else {
// // failed to record video
// Toast.makeText(getApplicationContext(),
// "Sorry! Failed to record video", Toast.LENGTH_SHORT)
// .show();
// }
// }
}
@Override
protected void onPause() {
super.onPause();
// if(vidPreview != null && vidPreview.isPlaying())
// {
// vidPreview.pause();
// }
}
@Override
protected void onDestroy() {
super.onDestroy();
// if(vidPreview != null && vidPreview.isPlaying())
// {
// vidPreview.stopPlayback();
// }
}
/**
* Creating file uri to store image/video
*/
public Uri getOutputMediaFileUri(int type) {
return Uri.fromFile(getOutputMediaFile(type));
}
/**
* returning image/video
*/
private static File getOutputMediaFile(int type) {
// External sdcard location
File mediaStorageDir = new File(
Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES), IMAGE_DIRECTORY_NAME);
// Create the storage directory if it does not exist
if (!mediaStorageDir.exists()) {
if (!mediaStorageDir.mkdirs()) {
Log.d("IMG Capture", "Oops! Failed create "
+ IMAGE_DIRECTORY_NAME + " directory");
return null;
}
}
// Create a media file name
String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss",
Locale.getDefault()).format(new Date());
File mediaFile;
if (type == MEDIA_TYPE_IMAGE) {
mediaFile = new File(mediaStorageDir.getPath() + File.separator
+ "IMG_" + timeStamp + ".jpg");
}
// else if (type == MEDIA_TYPE_VIDEO) {
// mediaFile = new File(mediaStorageDir.getPath() + File.separator
// + "VID_" + timeStamp + ".mp4");
// }
else {
return null;
}
return mediaFile;
}
public void uploadImage(View view)
{
new HttpAsyncTaskTwo().execute();
}
private class HttpAsyncTaskTwo extends AsyncTask<String, Void, String>
{
ProgressDialog pd;
@Override
protected void onPreExecute() {
super.onPreExecute();
pd = ProgressDialog.show(MainActivity.this, "Uploading image!", "Please Wait..");
}
@Override
protected String doInBackground(String... urls)
{
return getResponseTwo();
}
@Override
protected void onPostExecute(String result)
{
pd.dismiss();
Toast.makeText(getBaseContext(), "Received!", Toast.LENGTH_LONG).show();
imageRespone.setText(result);
}
}
// onPostExecute displays the results of the AsyncTask.
private String getResponseTwo()
{
String result;
String testName = fileUri.getPathSegments().get(fileUri.getPathSegments().size()-1);
//setup params
Map<String, String> params = new HashMap<>();
params.put("api_key", "******");
params.put("images_file", testName);
params.put("parameters", "{\"urls\": [], \"classifier_ids\": [\"baypay_1337105903\"], \"owners\": [\"0c9e0d07-7000-4b60-9181-b2e1d0596a30\", \"me\"], \"threshold\": 0.4}");
params.put("Accept-Language", "en");
params.put("version", "2016-05-19");
ServiceHandler serviceHandler = new ServiceHandler(this);
try
{
return serviceHandler.multipartRequest("https://watson-api-explorer.mybluemix.net/visual-recognition/api/v3/classify", params, fileUri.getPath(), "image", "image/jpg");
} catch (Exception e) {
e.printStackTrace();
}
return "Response Not returned";
}
}
Hier ist die ServiceHandler.java Datei:
package com.innam.httpapptotestrestservice;
import android.content.Context;
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.Iterator;
import java.util.Map;
public class ServiceHandler {
private static final String USER_AGENT = "Mozilla/5.0";
String filename = "myJsonResponse.txt";
String outputString = "Hello world!";
File myDir;
static final int READ_BLOCK_SIZE = 100;
Context context;
public ServiceHandler(Context context) {
this.context = context;
myDir = context.getFilesDir();
}
public String doGet(String GET_URL) throws IOException {
URL obj = new URL(GET_URL);
HttpURLConnection con = (HttpURLConnection) obj.openConnection();
con.setRequestMethod("GET");
con.setRequestProperty("User-Agent", USER_AGENT);
con.setConnectTimeout(150000);
int responseCode = con.getResponseCode();
System.out.println("GET Response Code :: " + responseCode);
if (responseCode == HttpURLConnection.HTTP_OK) {
// success
BufferedReader in = new BufferedReader(new InputStreamReader(
con.getInputStream()));
String inputLine;
StringBuffer response = new StringBuffer();
while ((inputLine = in.readLine()) != null) {
response.append(inputLine);
}
in.close();
// print result
//System.out.println(response.toString());
return response.toString();
} else {
System.out.println("GET request not worked: Response Code: " + responseCode);
return "GET request not worked: Response Code: " + responseCode;
}
}
public String doPost(String POST_URL, String POST_PARAMS) throws IOException {
URL obj = new URL(POST_URL);
HttpURLConnection con = (HttpURLConnection) obj.openConnection();
con.setRequestMethod("POST");
con.setRequestProperty("User-Agent", USER_AGENT);
// For POST only - START
con.setDoOutput(true);
con.setConnectTimeout(150000);
OutputStream os = con.getOutputStream();
os.write(POST_PARAMS.getBytes());
os.flush();
os.close();
// For POST only - END
int responseCode = con.getResponseCode();
System.out.println("POST Response Code :: " + responseCode);
if (responseCode == HttpURLConnection.HTTP_OK) {
//success
BufferedReader in = new BufferedReader(new InputStreamReader(
con.getInputStream()));
String inputLine;
StringBuffer response = new StringBuffer();
while ((inputLine = in.readLine()) != null) {
response.append(inputLine);
}
in.close();
// print result
//System.out.println(response.toString());
/*try
{
File respFile = new File(myDir + "/text/", filename);
if (respFile.getParentFile().mkdirs())
{
outputString = response.toString();
respFile.createNewFile();
FileOutputStream fos = new FileOutputStream(respFile);
fos.write(outputString.getBytes());
System.out.println(myDir + " /" + filename);
fos.flush();
fos.close();
}
}
catch (Exception e)
{
e.printStackTrace();
} */
return response.toString();
} else {
System.out.println("POST request not worked: Response Code: " + responseCode);
return "POST request not worked: Response Code: " + responseCode;
}
}
public String multipartRequest(String urlTo, Map<String, String> parmas, String filepath,
String filefield, String fileMimeType) throws Exception {
HttpURLConnection connection = null;
DataOutputStream outputStream = null;
InputStream inputStream = null;
String twoHyphens = "--";
String boundary = "*****" + Long.toString(System.currentTimeMillis()) + "*****";
String lineEnd = "\r\n";
String result = "";
int bytesRead, bytesAvailable, bufferSize;
byte[] buffer;
int maxBufferSize = 1 * 1024 * 1024;
String[] q = filepath.split("/");
int idx = q.length - 1;
try {
File file = new File(filepath);
FileInputStream fileInputStream = new FileInputStream(file);
URL url = new URL(urlTo);
connection = (HttpURLConnection) url.openConnection();
connection.setDoInput(true);
connection.setDoOutput(true);
connection.setUseCaches(false);
connection.setRequestMethod("POST");
connection.setRequestProperty("Connection", "Keep-Alive");
connection.setRequestProperty("User-Agent", "Android Multipart HTTP Client 1.0");
connection.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);
outputStream = new DataOutputStream(connection.getOutputStream());
outputStream.writeBytes(twoHyphens + boundary + lineEnd);
outputStream.writeBytes("Content-Disposition: form-data; name=\"" + filefield + "\"; filename=\"" + q[idx] + "\"" + lineEnd);
outputStream.writeBytes("Content-Type: " + fileMimeType + lineEnd);
outputStream.writeBytes("Content-Transfer-Encoding: binary" + lineEnd);
outputStream.writeBytes(lineEnd);
bytesAvailable = fileInputStream.available();
bufferSize = Math.min(bytesAvailable, maxBufferSize);
buffer = new byte[bufferSize];
bytesRead = fileInputStream.read(buffer, 0, bufferSize);
while (bytesRead > 0) {
outputStream.write(buffer, 0, bufferSize);
bytesAvailable = fileInputStream.available();
bufferSize = Math.min(bytesAvailable, maxBufferSize);
bytesRead = fileInputStream.read(buffer, 0, bufferSize);
}
outputStream.writeBytes(lineEnd);
// Upload POST Data
Iterator<String> keys = parmas.keySet().iterator();
while (keys.hasNext()) {
String key = keys.next();
String value = parmas.get(key);
outputStream.writeBytes(twoHyphens + boundary + lineEnd);
outputStream.writeBytes("Content-Disposition: form-data; name=\"" + key + "\"" + lineEnd);
outputStream.writeBytes("Content-Type: application/json" + lineEnd);
outputStream.writeBytes(lineEnd);
outputStream.writeBytes(value);
outputStream.writeBytes(lineEnd);
}
outputStream.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);
int respCode = connection.getResponseCode();
System.out.println("Response Code: " + respCode);
inputStream = connection.getInputStream();
result = this.convertStreamToString(inputStream);
fileInputStream.close();
inputStream.close();
outputStream.flush();
outputStream.close();
return result;
} catch (Exception e) {
//logger.error(e);
//throw new CustomException(e);
e.printStackTrace();
}
return result;
}
private String convertStreamToString(InputStream is) {
BufferedReader reader = new BufferedReader(new InputStreamReader(is));
StringBuilder sb = new StringBuilder();
String line = null;
try {
while ((line = reader.readLine()) != null) {
sb.append(line);
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
is.close();
} catch (IOException e) {
e.printStackTrace();
}
}
return sb.toString();
}
}
Hier ist die CustomException.java Datei:
package com.innam.httpapptotestrestservice;
import android.util.Log;
/**
* Created by Innam on 8/5/2016.
*/
public class CustomException extends Throwable {
public CustomException(String s) {
Log.e("CustomException", s);
}
}
Hier Datei ist die AndroidManifest.xml:
Hier<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.innam.httpapptotestrestservice">
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.CAMERA"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.RECORD_AUDIO" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
ist die activity_main.xml Datei:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/scrollView" >
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:id="@+id/tvIsConnected"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:background="#FF0000"
android:textColor="#FFF"
android:textSize="18dp"
android:layout_marginBottom="5dp"
android:text="is connected? " />
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginTop="20dp"
android:layout_marginBottom="10dp">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="JSON reult after the service has been trained"
android:textSize="18sp"
android:textColor="#000000"
android:layout_marginLeft="5dp" />
<TextView
android:id="@+id/etResponse"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="10dp"
android:layout_marginTop="5dp">
</TextView>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:layout_gravity="center">
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Open Camera"
android:id="@+id/button1"
android:onClick="openCamera"
android:layout_marginLeft="20dp"
/>
<ImageView
android:id="@+id/imgPreview"
android:layout_width="200dp"
android:layout_height="165dp"
android:src="@mipmap/ic_launcher"
android:layout_marginTop="10dp"
/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="UPLOAD"
android:id="@+id/button2"
android:onClick="uploadImage"
android:layout_marginLeft="20dp"
android:layout_marginTop="10dp"
/>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="JSON reult after image has been uploaded"
android:textSize="18sp"
android:textColor="#000000"
android:layout_marginTop="20dp"
android:layout_marginLeft="5dp"/>
<TextView
android:id="@+id/ImgResponse"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="10dp"
android:layout_marginTop="5dp">
</TextView>
</LinearLayout>
</LinearLayout>
</ScrollView>
</LinearLayout>
Sie könnten das [Java SDK] (https://github.com/watson-developer-cloud/java-sdk), [Android SDK] (https://github.com/watson-developer) verwenden -Cloud/android-sdk) oder [Android Speech SDK] (https://github.com/watson-developer-cloud/speech-android-sdk). –
Werfen Sie einen Blick auf meine Antwort auf eine ähnliche Frage http://StackOverflow.com/A/37313091/456564 –