Example usage for android.os AsyncTask AsyncTask

Introduction

In this page you can find the example usage for android.os AsyncTask AsyncTask.

Prototype

public AsyncTask() 

Source Link

Document

Creates a new asynchronous task.

Usage

From source file:ca.ualberta.cmput301.t03.trading.TradeOfferHistoryFragment.java

/**
 * Sets up the view components for the view, and sets the current model.
 *
 * @param savedInstanceState/*  w  w  w  . j av a  2s. c om*/
 */
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setHasOptionsMenu(true);

    AsyncTask worker = new AsyncTask() {

        @Override
        protected void onPreExecute() {
            super.onPreExecute();
            // TODO show loading indicator
        }

        @Override
        protected Object doInBackground(Object[] params) {
            try {
                model = PrimaryUser.getInstance().getTradeList();
            } catch (IOException e) {
                ExceptionUtils.toastErrorWithNetwork();
            } catch (ServiceNotAvailableException e) {
                ExceptionUtils.toastErrorWithNetwork();
            }
            return null;
        }

        @Override
        protected void onPostExecute(Object o) {
            super.onPostExecute(o);
            // todo hide loading indicator
            setupListView(getContext());
            observeModel();
        }
    };
    worker.execute();
}

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From source file:net.kourlas.voipms_sms.Billing.java

public void preDonation(final Activity sourceActivity) {
    try {/*from  ww  w . j a v a  2s  . c  o  m*/
        Bundle ownedItems = billingService.getPurchases(3, applicationContext.getPackageName(), "inapp", null);
        int response = ownedItems.getInt("RESPONSE_CODE");
        if (response == 0) {
            List<String> purchaseDataList = ownedItems.getStringArrayList("INAPP_PURCHASE_DATA_LIST");
            for (String purchaseData : purchaseDataList) {
                JSONObject json = new JSONObject(purchaseData);
                String pid = json.getString("productId");
                final String token = json.getString("purchaseToken");

                if (pid.equals(applicationContext.getString(R.string.billing_pid_donation))) {
                    new AsyncTask<Void, Void, Void>() {
                        @Override
                        protected Void doInBackground(Void... params) {
                            try {
                                billingService.consumePurchase(3, sourceActivity.getPackageName(), token);
                            } catch (Exception ignored) {
                                // Do nothing.
                            }
                            return null;
                        }

                        @Override
                        protected void onPostExecute(Void aVoid) {
                            showDonationDialog(sourceActivity);
                        }
                    }.execute();
                    return;
                }
            }
        }
    } catch (Exception ignored) {
        // Do nothing.
    }

    showDonationDialog(sourceActivity);
}

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From source file:com.example.hellojni.HelloJni.java

@Override
public void onResume() {
    super.onResume();
    /*//from ww w . j  a v  a 2s  .co m
    ByteBuffer buffer = vk.doStuff();
    if (buffer != null) {
      Log.d("HelloJni", "Got buffer from jni:" + buffer.capacity());
      Bitmap frame = Bitmap.createBitmap(192, 144, Config.ARGB_8888);
      frame.copyPixelsFromBuffer(buffer);
      ImageView iv = new ImageView(this);
      iv.setImageBitmap(frame);
      setContentView(iv);
    }
    */

    /*
    new AsyncTask<Object, Object, Object>() {
      @Override
      protected Object doInBackground(Object... params) {
        vk.doStuff(frame);
        return null;
      }
    }.execute();
    */

    new AsyncTask<Object, Object, Object>() {
        @Override
        protected Object doInBackground(Object... ps) {
            HttpPost post = new HttpPost("http://192.168.0.187:45631/service");

            AVMap avMap = new AVMap("air.connect.Request");
            avMap.put("requestURL", "http://192.168.0.187:45631/service");
            avMap.put("clientVersion", 240);
            avMap.put("serviceName", "browseService");
            avMap.put("methodName", "getItems");
            avMap.put("clientIdentifier", "89eae483355719f119d698e8d11e8b356525ecfb");

            AVMap params = new AVMap("air.video.BrowseRequest");
            params.put("folderId", "5ADB62B1BB62E0190E4B9C07159265C48F322D84");
            params.put("preloadDetails", 0);
            List<Object> list = new ArrayList<Object>();
            list.add(params);
            avMap.put("parameters", list);

            AVStream avStream = new AVStream();
            avStream.write(avMap, 0);

            post.setEntity(new ByteArrayEntity(avStream.finish()));

            try {
                HttpResponse response = httpClient.execute(post);
                ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
                response.getEntity().writeTo(outputStream);
                AVStream result = new AVStream(outputStream.toByteArray());
                AVMap foo = (AVMap) result.read();
                Log.d("AirVideo", foo.getName());
                Log.d("AirVideo", foo.toString());

                AVMap results = (AVMap) foo.get("result");
                final List<Object> items = (List<Object>) results.get("items");
                runOnUiThread(new Runnable() {

                    public void run() {
                        // TODO Auto-generated method stub
                        for (Object o : items) {
                            AVMap item = (AVMap) o;
                            listAdapter.add((String) item.get("name"));
                        }
                    }
                });

            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }

            return null;
        }
    }.execute();
}

---

From source file:com.ionicsdk.discovery.Discovery.java

public void doIdentify(final JSONObject opts, final CallbackContext callbackContext) {
    new AsyncTask<Integer, Void, Void>() {

        @Override/*from w w w  .  j  a v a  2s  . c  o m*/
        protected Void doInBackground(Integer... params) {
            try {
                DatagramSocket socket = new DatagramSocket();
                socket.setBroadcast(true);

                String data = opts.toString();

                DatagramPacket packet = new DatagramPacket(data.getBytes(), data.length(),
                        getBroadcastAddress(), opts.getInt("port"));
                socket.send(packet);
                Log.d(TAG, "Sent packet");

                byte[] buf = new byte[1024];
                packet = new DatagramPacket(buf, buf.length);
                socket.receive(packet);

                String result = new String(buf, 0, packet.getLength());

                Log.d(TAG, "Got response packet of " + packet.getLength() + " bytes: " + result);

                callbackContext.success(result);

            } catch (Exception e) {
                callbackContext.error(e.getMessage());
                Log.e(TAG, "Exception while listening for server broadcast");
                e.printStackTrace();
            }
            return null;
        }
    }.execute();

}

---

From source file:com.socialize.auth.twitter.TwitterOAuthProvider.java

public void retrieveAccessTokenAsync(final OAuthConsumer consumer, final String oauthVerifier,
        final OAuthTokenListener listener) {

    new AsyncTask<Void, Void, Void>() {

        HttpParameters httpParameters = new HttpParameters();
        Exception error;//from w  w w.  j av  a2s  .c o  m

        @Override
        protected Void doInBackground(Void... params) {
            try {
                retrieveAccessToken(consumer, oauthVerifier, new OAuthTokenListener() {
                    @Override
                    public void onResponse(HttpParameters parameters) {
                        httpParameters.merge(parameters);
                    }

                    @Override
                    public void onError(Exception e) {
                        error = e;
                    }
                });
            } catch (Exception e) {
                error = e;
            }

            return null;
        }

        @Override
        protected void onPostExecute(Void result) {
            if (listener != null) {
                if (error != null) {
                    listener.onError(error);
                } else {
                    listener.onResponse(httpParameters);
                }
            }
        }
    }.execute();
}

---

From source file:com.clover.android.sdk.examples.WebServiceActivity.java

private void queryWebService() {
    new AsyncTask<Void, String, Void>() {

        @Override//from w  ww. j a  va  2  s  .  com
        protected void onProgressUpdate(String... values) {
            String logString = values[0];
            log(logString);
        }

        @Override
        protected Void doInBackground(Void... params) {
            try {
                publishProgress("Requesting auth token");
                CloverAuth.AuthResult authResult = CloverAuth.authenticate(WebServiceActivity.this, mAccount);
                publishProgress("Successfully authenticated as " + mAccount + ".  authToken="
                        + authResult.authToken + ", authData=" + authResult.authData);

                if (authResult.authToken != null && authResult.baseUrl != null) {
                    CustomHttpClient httpClient = CustomHttpClient.getHttpClient();
                    String getNameUri = "/v2/merchant/name";
                    String url = authResult.baseUrl + getNameUri + "?access_token=" + authResult.authToken;
                    publishProgress("requesting merchant id using: " + url);
                    String result = httpClient.get(url);
                    JSONTokener jsonTokener = new JSONTokener(result);
                    JSONObject root = (JSONObject) jsonTokener.nextValue();
                    String merchantId = root.getString("merchantId");
                    publishProgress("received merchant id: " + merchantId);

                    // now do another get using the merchant id
                    String inventoryUri = "/v2/merchant/" + merchantId + "/inventory/items";
                    url = authResult.baseUrl + inventoryUri + "?access_token=" + authResult.authToken;

                    publishProgress("requesting inventory items using: " + url);
                    result = httpClient.get(url);
                    publishProgress("received inventory items response: " + result);
                }
            } catch (Exception e) {
                publishProgress("Error retrieving merchant info from server" + e);
            }
            return null;
        }

        @Override
        protected void onPostExecute(Void aVoid) {
            mButton.setEnabled(true);
        }
    }.execute();
}

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From source file:ca.rmen.android.palidamuerte.app.poem.detail.PoemDetailFragment.java

private void updateView(final Activity activity, final View rootView) {
    Log.v(TAG, "updateView");
    new AsyncTask<Void, Void, PoemCursor>() {

        @Override//from   w ww . j  av a  2s  .  c o m
        protected PoemCursor doInBackground(Void... params) {
            if (getArguments().containsKey(ARG_ITEM_ID)) {
                long poemId = getArguments().getLong(ARG_ITEM_ID);
                PoemCursor poemCursor = new PoemSelection().id(poemId).query(activity.getContentResolver());
                if (poemCursor.moveToFirst())
                    return poemCursor;
                poemCursor.close();
            }
            return null;
        }

        @Override
        protected void onPostExecute(PoemCursor poemCursor) {
            boolean favorite = poemCursor.getIsFavorite();
            if (favorite != mIsFavorite) {
                mIsFavorite = favorite;
                activity.invalidateOptionsMenu();
            }
            TextView tvTitleView = (TextView) rootView.findViewById(R.id.title);
            tvTitleView.setText(poemCursor.getTitle());
            String preContent = poemCursor.getPreContent();
            TextView preContentView = (TextView) rootView.findViewById(R.id.pre_content);
            preContentView.setVisibility(TextUtils.isEmpty(preContent) ? View.GONE : View.VISIBLE);
            preContentView.setText(preContent);
            ((TextView) rootView.findViewById(R.id.content)).setText(poemCursor.getContent());

            String poemTypeAndNumber = Poems.getPoemNumberString(activity, poemCursor);
            TextView tvPoemTypeAndNumber = (TextView) rootView.findViewById(R.id.poem_type_and_number);
            tvPoemTypeAndNumber.setVisibility(TextUtils.isEmpty(poemTypeAndNumber) ? View.GONE : View.VISIBLE);
            tvPoemTypeAndNumber.setText(poemTypeAndNumber);

            String locationDateString = Poems.getLocationDateString(activity, poemCursor);
            ((TextView) rootView.findViewById(R.id.author)).setText(R.string.author);
            ((TextView) rootView.findViewById(R.id.location_and_date)).setText(locationDateString);

            poemCursor.close();
        }
    }.execute();

}

---

From source file:com.google.android.gcm.demo.app.DemoActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    checkNotNull(SERVER_URL, "SERVER_URL");
    checkNotNull(SENDER_ID, "SENDER_ID");
    // Make sure the device has the proper dependencies.
    GCMRegistrar.checkDevice(this);
    // Make sure the manifest was properly set - comment out this line
    // while developing the app, then uncomment it when it's ready.
    GCMRegistrar.checkManifest(this);
    setContentView(R.layout.main);//  w  w  w . j  a v a 2 s  . c o m
    mDisplay = (TextView) findViewById(R.id.display);
    registerReceiver(mHandleMessageReceiver, new IntentFilter(DISPLAY_MESSAGE_ACTION));
    final String regId = GCMRegistrar.getRegistrationId(this);
    final Context context = this;

    if (regId.equals("")) {
        // Automatically registers application on startup.
        GCMRegistrar.register(this, SENDER_ID);
    } else {
        // Device is already registered on GCM, check server.
        if (GCMRegistrar.isRegisteredOnServer(this)) {
            // Skips registration.
            mDisplay.append(getString(R.string.already_registered) + "\n");
        } else {
            // Try to register again, but not in the UI thread.
            // It's also necessary to cancel the thread onDestroy(),
            // hence the use of AsyncTask instead of a raw thread.
            mRegisterTask = new AsyncTask<Void, Void, Void>() {

                @Override
                protected Void doInBackground(Void... params) {
                    boolean registered = ServerUtilities.register(context, regId);
                    // At this point all attempts to register with the app
                    // server failed, so we need to unregister the device
                    // from GCM - the app will try to register again when
                    // it is restarted. Note that GCM will send an
                    // unregistered callback upon completion, but
                    // GCMIntentService.onUnregistered() will ignore it.
                    if (!registered) {
                        GCMRegistrar.unregister(context);
                    }
                    return null;
                }

                @Override
                protected void onPostExecute(Void result) {
                    mRegisterTask = null;
                }

            };
            mRegisterTask.execute(null, null, null);
        }
    }

    MyTask task = new MyTask();
    task.execute();

}

---

From source file:weavebytes.com.futureerp.activities.RegistrationActivity.java

public void SendRegRequest() {

    new AsyncTask<Void, Void, String>() {

        @Override/* ww w .j  a  va 2  s  .com*/
        protected void onPreExecute() {
            super.onPreExecute();
            progress.setMessage("Please Wait..");
            progress.setProgressStyle(ProgressDialog.STYLE_SPINNER);
            progress.setCancelable(true);
            progress.show();
        }

        @Override
        protected String doInBackground(Void... params) {

            HttpClient httpClient = new DefaultHttpClient();
            HttpPost httpPost = new HttpPost(Config.URL_REGISTER);

            List<NameValuePair> nameValuePair = new ArrayList<>();
            nameValuePair.add(new BasicNameValuePair("email", email));
            nameValuePair.add(new BasicNameValuePair("username", username));
            nameValuePair.add(new BasicNameValuePair("password", password));

            try {
                httpPost.setEntity(new UrlEncodedFormEntity(nameValuePair));

            } catch (UnsupportedEncodingException e) {
                return e + "";
            }
            try {
                HttpResponse response = httpClient.execute(httpPost);
                Log.d("Http Post Response:", response.toString());
                //Converting Response To JsonString
                return ConvertResponse_TO_JSON.entityToString(response.getEntity());
            } catch (ClientProtocolException e) {
                // Log exception
                e.printStackTrace();
            } catch (IOException e) {
                // Log exception
                e.printStackTrace();
            }
            return "Bad NetWork";
        }

        @Override
        protected void onPostExecute(String JsonString) {
            Toast.makeText(RegistrationActivity.this, JsonString, Toast.LENGTH_SHORT).show();
            JSONObject jsonobj = null;
            progress.dismiss();
            try {
                jsonobj = new JSONObject(JsonString);
                //Parsing JSON and Checking the error_code (username ot password are correct or not)

                if (jsonobj.getString("error").equals("0")) {

                    Intent intent = new Intent(RegistrationActivity.this, LoginActivity.class);
                    startActivity(intent);
                    finish();
                } else {
                    Toast.makeText(RegistrationActivity.this, "Failed to register", Toast.LENGTH_SHORT).show();

                }
            } catch (JSONException e) {
                e.printStackTrace();
            }
        }
    }.execute();
}

---

From source file:com.clutch.ClutchAPIClient.java

private static void sendRequest(String url, boolean post, JSONObject payload, String version,
        final ClutchAPIResponseHandler responseHandler) {
    BasicHeader[] headers = { new BasicHeader("X-App-Version", version),
            new BasicHeader("X-UDID", ClutchUtils.getUDID()), new BasicHeader("X-API-Version", VERSION),
            new BasicHeader("X-App-Key", appKey), new BasicHeader("X-Bundle-Version", versionName),
            new BasicHeader("X-Platform", "Android"), };
    StringEntity entity = null;/*from w  ww . j  a  va2 s.co m*/
    try {
        entity = new StringEntity(payload.toString());
    } catch (UnsupportedEncodingException e) {
        Log.e(TAG, "Could not encode the JSON payload and attach it to the request: " + payload.toString());
        return;
    }
    HttpRequestBase request = null;
    if (post) {
        request = new HttpPost(url);
        ((HttpEntityEnclosingRequestBase) request).setEntity(entity);
        request.setHeaders(headers);
    } else {
        request = new HttpGet(url);
    }

    class StatusCodeAndResponse {
        public int statusCode;
        public String response;

        public StatusCodeAndResponse(int statusCode, String response) {
            this.statusCode = statusCode;
            this.response = response;
        }
    }

    new AsyncTask<HttpRequestBase, Void, StatusCodeAndResponse>() {
        @Override
        protected StatusCodeAndResponse doInBackground(HttpRequestBase... requests) {
            try {
                HttpResponse resp = client.execute(requests[0]);

                HttpEntity entity = resp.getEntity();
                InputStream inputStream = entity.getContent();

                ByteArrayOutputStream content = new ByteArrayOutputStream();

                int readBytes = 0;
                byte[] sBuffer = new byte[512];
                while ((readBytes = inputStream.read(sBuffer)) != -1) {
                    content.write(sBuffer, 0, readBytes);
                }

                inputStream.close();

                String response = new String(content.toByteArray());

                content.close();

                return new StatusCodeAndResponse(resp.getStatusLine().getStatusCode(), response);
            } catch (IOException e) {
                if (responseHandler instanceof ClutchAPIDownloadResponseHandler) {
                    ((ClutchAPIDownloadResponseHandler) responseHandler).onFailure(e, "");
                } else {
                    responseHandler.onFailure(e, null);
                }
            }
            return null;
        }

        @Override
        protected void onPostExecute(StatusCodeAndResponse resp) {
            if (responseHandler instanceof ClutchAPIDownloadResponseHandler) {
                if (resp.statusCode == 200) {
                    ((ClutchAPIDownloadResponseHandler) responseHandler).onSuccess(resp.response);
                } else {
                    ((ClutchAPIDownloadResponseHandler) responseHandler).onFailure(null, resp.response);
                }
            } else {
                if (resp.statusCode == 200) {
                    responseHandler.handleSuccessMessage(resp.response);
                } else {
                    responseHandler.handleFailureMessage(null, resp.response);
                }
            }
        }
    }.execute(request);
}

---

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