Example usage for android.os AsyncTask AsyncTask

List of usage examples for android.os AsyncTask AsyncTask

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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:bbct.android.common.activity.BaseballCardDetails.java

@SuppressLint("StaticFieldLeak")
private void populateTextEdits() {
    Bundle args = getArguments();/*from   w  ww .  jav a 2  s .c  o m*/
    if (args != null) {
        id = args.getLong(ID);
        new AsyncTask<Long, Void, BaseballCard>() {
            @Override
            protected BaseballCard doInBackground(Long... args) {
                long id = args[0];
                BaseballCardDatabase database = BaseballCardDatabase.getInstance(getActivity());
                BaseballCardDao dao = database.getBaseballCardDao();
                return dao.getBaseballCard(id);
            }

            @Override
            protected void onPostExecute(BaseballCard card) {
                setCard(card);
            }
        }.execute(id);
    }
}

From source file:com.example.snapcacheexample.SelectionFragment.java

private void handleAnnounce() {
    pendingAnnounce = false;/*from  w  w w. j a va2  s.  co  m*/
    Session session = Session.getActiveSession();

    if (session == null || !session.isOpened()) {
        return;
    }

    List<String> permissions = session.getPermissions();
    if (!permissions.containsAll(PERMISSIONS)) {
        pendingAnnounce = true;
        requestPublishPermissions(session);
        return;
    }

    // Show a progress dialog because sometimes the requests can take a while.
    progressDialog = ProgressDialog.show(getActivity(), "",
            getActivity().getResources().getString(R.string.progress_dialog_text), true);

    // Run this in a background thread since some of the populate methods may take
    // a non-trivial amount of time.
    AsyncTask<Void, Void, Response> task = new AsyncTask<Void, Void, Response>() {

        @Override
        protected Response doInBackground(Void... voids) {
            EatAction eatAction = GraphObject.Factory.create(EatAction.class);
            for (BaseListElement element : listElements) {
                element.populateOGAction(eatAction);
            }
            Request request = new Request(Session.getActiveSession(), POST_ACTION_PATH, null, HttpMethod.POST);
            request.setGraphObject(eatAction);
            return request.executeAndWait();
        }

        @Override
        protected void onPostExecute(Response response) {
            onPostActionResponse(response);
        }
    };

    task.execute();
}

From source file:com.silentcircle.silenttext.activity.AccountCreationActivity.java

@Override
public void onFinish(final Bundle arguments) {

    if (!tasks.isEmpty()) {
        return;/*from  ww  w . j  a  va  2 s .  c  om*/
    }

    tasks.add(AsyncUtils.execute(new AsyncTask<Void, Void, UsernamePasswordCredential>() {

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

            UserManager manager = SilentTextApplication.from(getActivity()).getUserManager();

            BasicUser user = new BasicUser();

            user.setFirstName(arguments.getCharSequence(AccountCreationFragment.EXTRA_FIRST_NAME));
            user.setLastName(arguments.getCharSequence(AccountCreationFragment.EXTRA_LAST_NAME));
            user.setEmailAddress(arguments.getCharSequence(AccountCreationFragment.EXTRA_EMAIL));

            CharSequence username = arguments.getCharSequence(AccountCreationFragment.EXTRA_USERNAME);
            CharSequence password = arguments.getCharSequence(AccountCreationFragment.EXTRA_PASSWORD);
            CharSequence licenseCode = arguments.getCharSequence(AccountCreationFragment.EXTRA_LICENSE_CODE);

            try {
                UsernamePasswordCredential credential = new UsernamePasswordCredential(username, password);
                manager.createUser(credential, user, licenseCode);
                return credential;
            } catch (HTTPException e) {
                onError(e);
            } catch (Throwable t) {
                onError(t);
            }
            return null;
        }

        protected void onError(HTTPException e) {
            try {
                String errorString = new String();
                JSONObject errorJSON = new JSONObject(e.getBody());

                if (errorJSON.has("error_fields")) {
                    JSONObject errorFieldsJSON = errorJSON.getJSONObject("error_fields");

                    if (errorFieldsJSON.length() > 0) {
                        if (errorFieldsJSON.has("license_code")) {
                            errorString = errorFieldsJSON.getJSONObject("license_code").getString("error_msg");
                        } else {
                            if (!StringUtils.isEmpty(
                                    JSONObjectParser.parseFault(JSONParser.parse(e.getBody())).getFields()[0]
                                            .getMessage())) {
                                errorString = JSONObjectParser.parseFault(JSONParser.parse(e.getBody()))
                                        .getFields()[0].getMessage().toString();
                            }
                        }
                    } else {
                        if (!StringUtils.isEmpty(errorJSON.getString("error_msg"))) {
                            errorString = errorJSON.getString("error_msg");
                        }
                    }
                }

                AccountCreationActivity.this.onError(errorString);
            } catch (Throwable t) {
                t.printStackTrace();
            }
        }

        protected void onError(Throwable t) {
            AccountCreationActivity.this.onError(t.getLocalizedMessage());
        }

        @Override
        protected void onPostExecute(UsernamePasswordCredential credential) {
            tasks.clear();

            if (credential != null) {
                activate(credential);
                credential.burn();
            }
        }

        @Override
        protected void onPreExecute() {
            Toast.makeText(getActivity(), getString(R.string.creating_account), Toast.LENGTH_LONG).show();
        }

    }));

}

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

private void connectToInventoryWebService() {
    new AsyncTask<Void, Void, Void>() {
        @Override//from   w  w  w  .j  a  v a2 s  .c o m
        protected Void doInBackground(Void... params) {
            try {
                Account account = CloverAccount.getAccount(InventoryTestActivity.this);
                CloverAuth.AuthResult authResult = CloverAuth.authenticate(InventoryTestActivity.this, account);
                String baseUrl = authResult.authData.getString(CloverAccount.KEY_BASE_URL);

                if (authResult.authToken != null && baseUrl != null) {
                    CustomHttpClient httpClient = CustomHttpClient.getHttpClient();
                    String getNameUri = "/v2/merchant/name";
                    String url = baseUrl + getNameUri + "?access_token=" + authResult.authToken;
                    String result = httpClient.get(url);
                    JSONTokener jsonTokener = new JSONTokener(result);
                    JSONObject root = (JSONObject) jsonTokener.nextValue();
                    String merchantId = root.getString("merchantId");
                    inventoryService = new InventoryWebService(merchantId, authResult.authToken, baseUrl);
                }
            } catch (Exception e) {
                Log.e(TAG, "Error retrieving merchant info from server", e);
            }
            return null;
        }

        @Override
        protected void onPostExecute(Void aVoid) {
            if (inventoryService != null) {
                statusText.setText("using web service");
                serviceIsBound = true;
                fetchItemsFromService();
            } else {
                statusText.setText("failed to connect to web service");
            }
        }
    }.execute();
}

From source file:nmtysh.android.test.speedtest.SpeedTestActivity.java

private void runHttpURLConnection() {
    final String url = urlEdit.getText().toString();
    if (url == null || (!url.startsWith("http://") && !url.startsWith("https://"))) {
        list.add("URL error!");
        adapter.notifyDataSetChanged();//  www . ja  v a2 s  .  co  m
        return;
    }
    task = new AsyncTask<Void, Integer, Void>() {
        long startTime;
        ProgressDialog progress;

        // ??
        @Override
        protected void onPreExecute() {
            super.onPreExecute();

            progress = new ProgressDialog(SpeedTestActivity.this);
            progress.setMessage(getString(R.string.progress_message));
            progress.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
            progress.setIndeterminate(false);
            progress.setCancelable(true);
            progress.setOnCancelListener(new OnCancelListener() {
                @Override
                public void onCancel(DialogInterface dialog) {
                    task.cancel(true);
                }
            });
            progress.setMax(10);
            progress.setProgress(0);
            progress.show();

            startTime = System.currentTimeMillis();
        }

        // ???
        @Override
        protected Void doInBackground(Void... params) {
            // 10?????
            for (int i = 0; i < 10; i++) {
                HttpURLConnection connection = null;
                InputStreamReader in = null;
                // BufferedReader br = null;
                try {
                    connection = (HttpURLConnection) (new URL(url)).openConnection();
                    connection.setRequestMethod("GET");
                    connection.connect();
                    in = new InputStreamReader(connection.getInputStream());
                    // br = new BufferedReader(in);
                    // while (br.readLine() != null) {
                    long len = 0;
                    while (in.read() != -1) {
                        len++;
                    }
                    Log.i("HttpURLConnection", len + " Bytes");
                } catch (IOException e) {
                } finally {
                    /*
                     * if (br != null) { try { br.close(); } catch
                     * (IOException e) { } br = null; }
                     */
                    if (in != null) {
                        try {
                            in.close();
                        } catch (IOException e) {
                        }
                        in = null;
                    }
                    if (connection != null) {
                        connection.disconnect();
                        connection = null;
                    }
                }
                publishProgress(i + 1);
                // Dos????????
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                }
            }
            return null;
        }

        @Override
        protected void onProgressUpdate(Integer... values) {
            super.onProgressUpdate(values);
            if (progress == null) {
                return;
            }
            progress.setProgress(values[0]);
        }

        // 
        @Override
        protected void onPostExecute(Void result) {
            long endTime = System.currentTimeMillis();

            // 
            progress.cancel();
            progress = null;

            list.add("HttpURLConnection:" + url + " " + (endTime - startTime) + "msec/10" + " "
                    + (endTime - startTime) / 10 + "msec");
            adapter.notifyDataSetChanged();
        }

        @Override
        protected void onCancelled() {
            super.onCancelled();
            progress.dismiss();
            progress = null;
        }
    }.execute();
}

From source file:ca.rmen.android.poetassistant.main.dictionaries.search.Search.java

/**
 * Adds the given suggestions to the search history, in a background thread.
 *///from  w  w w  .  j a v  a 2  s  .  c  o m
@MainThread
public void addSuggestions(String... suggestions) {
    new AsyncTask<String, Void, Void>() {

        @Override
        protected Void doInBackground(String... searchTerms) {
            ContentValues[] contentValues = new ContentValues[suggestions.length];
            for (int i = 0; i < suggestions.length; i++) {
                ContentValues contentValue = new ContentValues(1);
                contentValue.put(SearchManager.QUERY, suggestions[i]);
                contentValues[i] = contentValue;
            }
            mContext.getContentResolver().bulkInsert(SuggestionsProvider.CONTENT_URI, contentValues);
            return null;
        }
    }.execute(suggestions);
}

From source file:com.adisayoga.earthquake.ui.SocialConnectActivity.java

/**
 * Tampilkan informasi Twitter sebagai tanda sudah login/belum.
 *///from ww  w  .jav a  2s .c  o  m
private void showTwitterInfo() {
    new AsyncTask<Void, Void, String>() {
        @Override
        protected String doInBackground(Void... params) {
            publishProgress();
            return twitter.getScreenName();
        }

        @Override
        protected void onProgressUpdate(Void... values) {
            twitterLoginStatus.setText(R.string.loading);
        }

        @Override
        protected void onPostExecute(String result) {
            twitterLoginStatus.setText(getText(R.string.welcome) + " " + result);
        }

    }.execute();
}

From source file:de.tudarmstadt.dvs.myhealthassistant.myhealthhub.services.SystemMonitor.java

private void publishResult(Location loc) {
    String t = getTimestamp() + "\n";
    t += "Longitude:" + loc.getLongitude() + "\n";
    t += "Latitude:" + loc.getLatitude() + "\n";
    t += "BatteryPercent: " + batteryPercent + "\n";
    t += "-----------------------------------------";

    SharedPreferences prefs = getApplicationContext().getSharedPreferences("personal", Context.MODE_PRIVATE);

    phoneNr = prefs.getString(getString(R.string.p_emcy_phone_nr), "");

    // TODO: check Internet State before sending

    // send message to server
    JSONArray jsa = new JSONArray();
    JSONObject jso = new JSONObject();
    try {//from ww w. jav a2s .c  o  m
        jso.put("Timestamp", getTimestamp());
        jso.put("Longitude", loc.getLongitude());
        jso.put("Latitude", loc.getLatitude());
        jso.put("PercentBattery", batteryPercent);
        jsa.put(jso);
        sendNotification(jsa);
    } catch (JSONException e) {
        Log.e(SystemMonitor.class.getSimpleName(), e.getLocalizedMessage());
    }

    // send message to a gmail acc
    new AsyncTask<String, Void, Void>() {

        @Override
        protected Void doInBackground(String... params) {
            //            String message = params[0];
            // GMailSender sender = new GMailSender(
            // null,
            // null);
            // try {
            // sender.sendMail("myHealthAssistant: SystemMonitor",
            // message,
            // null,
            // null);
            // } catch (Exception e) {
            // Log.e(SystemMonitor.class.getSimpleName(), e.getMessage());
            // }
            return null;
        }

    }.execute(t, null, null);

}