Example usage for android.os AsyncTask AsyncTask

List of usage examples for android.os AsyncTask AsyncTask

  1. HOME
  2. Java
  3. android
  4. android.os.*
  5. AsyncTask
  6. 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:com.nononsenseapps.filepicker.sample.ftp.FtpPickerFragment.java

/**
 * Name is validated to be non-null, non-empty and not containing any
 * slashes.//from   w w  w  . j  av a2  s .  c  o  m
 *
 * @param name The name of the folder the user wishes to create.
 */
@Override
public void onNewFolder(@NonNull String name) {
    AsyncTask<String, Void, FtpFile> task = new AsyncTask<String, Void, FtpFile>() {

        @Override
        protected FtpFile doInBackground(String... names) {
            FtpFile result = null;
            if (names.length > 0) {
                result = onNewFolderAsync(names[0]);
            }
            return result;
        }

        @Override
        protected void onPostExecute(FtpFile folder) {
            if (folder != null) {
                refresh(folder);
            } else {
                Toast.makeText(getContext(), R.string.nnf_create_folder_error, Toast.LENGTH_SHORT).show();
            }
        }
    };
    task.execute(name);
}

From source file:com.example.carrie.carrie_test1.druginfo.java

private void load_data_from_server(int id) {
    AsyncTask<Integer, Void, Void> task = new AsyncTask<Integer, Void, Void>() {
        @Override/*from   w w w.  j a v a  2 s  .  com*/
        protected Void doInBackground(Integer... integers) {
            OkHttpClient client = new OkHttpClient();
            Request request = new Request.Builder()
                    .url("http://54.65.194.253/Drug/ShowDrug.php?id=" + integers[0]).build();
            try {
                Response response = client.newCall(request).execute();

                JSONArray array = new JSONArray(response.body().string());

                for (int i = 0; i < array.length(); i++) {

                    JSONObject object = array.getJSONObject(i);

                    MyData mydata = new MyData(object.getInt("id"), object.getString("chineseName"),
                            object.getString("image"), object.getString("indication"),
                            object.getString("englishName"), object.getString("licenseNumber"),
                            object.getString("category"), object.getString("component"),
                            object.getString("maker_Country"), object.getString("applicant"),
                            object.getString("maker_Name"), object.getString("QRCode"));

                    data_list.add(mydata);
                }

            } catch (IOException e) {
                e.printStackTrace();
            } catch (JSONException e) {
                System.out.println("End of content");
            }
            return null;
        }

        @Override
        protected void onPostExecute(Void aVoid) {
            adapter.notifyDataSetChanged();
        }
    };

    task.execute(id);
}

From source file:com.dealsmessanger.android.DemoActivity.java

/**
 * Registers the application with GCM servers asynchronously.
 * <p>// w  ww . j a va 2 s .  c om
 * Stores the registration ID and the app versionCode in the application's
 * shared preferences.
 */
private void registerInBackground() {
    new AsyncTask<Void, Void, String>() {
        @Override
        protected String doInBackground(Void... params) {
            String msg = "";
            try {
                if (gcm == null) {
                    gcm = GoogleCloudMessaging.getInstance(getApplicationContext());
                }
                regid = gcm.register(SENDER_ID);
                msg = "Device registered, registration ID=" + regid;
                Log.i("GCM", msg);

            } catch (IOException ex) {
                msg = "Error :" + ex.getMessage();

            }
            return msg;
        }

        @Override
        protected void onPostExecute(String msg) {
            //etRegId.setText(msg + "\n");
            DeviceIdentifier deviceIdenifier = (DeviceIdentifier) getApplicationContext();
            deviceIdenifier.setGcmRegId(msg);
        }
    }.execute(null, null, null);
}

From source file:com.tesobe.hello_obp.activity.MainActivity.java

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

    privateAccountsJsonView = (TextView) findViewById(R.id.private_accounts_json);

    // Request the banks available from the API
    new AsyncTask<Void, Void, String>() {

        @Override//from   w w w .j  av a  2 s  .c  o m
        /**
         * @return A String containing the json representing the available banks, or an error message
         */
        protected String doInBackground(Void... params) {
            try {
                JSONObject banksJson = OBPRestClient.getBanksJson();
                return banksJson.toString();
            } catch (ExpiredAccessTokenException e) {
                // login again / re-authenticate
                redoOAuth();
                return "";
            } catch (ObpApiCallFailedException e) {
                return "Sorry, there was an error!";
            }
        }

        @Override
        protected void onPostExecute(String result) {
            privateAccountsJsonView.setText(result);
        }
    }.execute();
}

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

private void fetchItemsFromService() {
    if (serviceIsBound && inventoryService != null) {
        new AsyncTask<Void, Void, Item>() {
            @Override
            protected Item doInBackground(Void... params) {
                Item item = null;/*from   w  w  w .java 2 s  .  c  o  m*/
                try {
                    ResultStatus getItemsStatus = new ResultStatus();
                    List<Item> items = inventoryService.getItems(getItemsStatus);
                    Log.i(TAG, "Received result from getItems(): " + getItemsStatus);
                    if (getItemsStatus.isSuccess()) {
                        for (Item i : items) {
                            Log.i(TAG, "item = " + dumpItem(i));
                        }
                    }
                    if (items != null && items.size() > 0) {
                        String itemId = items.get(0).getId();
                        ResultStatus getItemStatus = new ResultStatus();
                        item = inventoryService.getItem(itemId, getItemStatus);
                        Log.i(TAG, "Received result from getItem(): " + getItemStatus);
                    }

                    ResultStatus resultStatus = new ResultStatus();
                    List<Category> categories = inventoryService.getCategories(resultStatus);
                    if (resultStatus.isSuccess()) {
                        for (Category category : categories) {
                            Log.i(TAG, "category = " + dumpCategory(category));
                        }
                    } else {
                        Log.i(TAG, "Couldn't retrieve categories: " + resultStatus);
                    }
                    List<TaxRate> taxRates = inventoryService.getTaxRates(resultStatus);
                    if (resultStatus.isSuccess()) {
                        for (TaxRate taxRate : taxRates) {
                            Log.i(TAG, "tax rate = " + dumpTaxRate(taxRate));
                        }
                    } else {
                        Log.i(TAG, "Couldn't retrieve tax rates: " + resultStatus);
                    }
                } catch (RemoteException e) {
                    Log.e(TAG, "Error calling inventory service", e);
                }
                return item;
            }

            @Override
            protected void onPostExecute(Item result) {
                displayItem(result);
            }
        }.execute();
    }
}

From source file:ca.ualberta.cmput301.t03.MainActivity.java

/**
 * Load the first fragment and load the username and email fields of the nav bar header.
 *//*from   w w w. ja  v  a2 s . co m*/
public void finishOnCreate() {
    addInitialFragment();
    AsyncTask task = new AsyncTask() {
        private String email = "";
        private String username = "";

        @Override
        protected Object doInBackground(Object[] params) {
            username = PrimaryUser.getInstance().getUsername();
            String emailTemp = "";
            try {
                emailTemp = PrimaryUser.getInstance().getProfile().getEmail();
            } catch (IOException e) {
                emailTemp = "";
            } catch (ServiceNotAvailableException e) {
                throw new RuntimeException("App is offline.", e);
            }

            email = emailTemp;

            try {
                PrimaryUser.getInstance().getProfile().addObserver(MainActivity.this);
            } catch (IOException e) {
                e.printStackTrace();
            } catch (ServiceNotAvailableException e) {
                throw new RuntimeException("App is offline.", e);
            }
            return null;
        }

        @Override
        protected void onPostExecute(Object o) {
            sidebarUsernameTextView.setText(username);
            sidebarEmailTextView.setText(email);
        }
    };

    task.execute();

}

From source file:com.nokia.example.pepperfarm.iap.Payment.java

/**
 * Check the products that we have already purchased
 *//*  www . j a v a 2  s . c om*/
public void getPurchases(boolean ignoreLifeCycleCheck) {

    if (!isBillingAvailable())
        return;

    if (ignoreLifeCycleCheck == false) {
        if (purchases_asked) {
            Log.i("getPurchases", "Restorables already asked.");
            return;
        }
    }

    MainScreenPepperListFragment.getpeppers.setVisibility(View.INVISIBLE);
    MainScreenPepperListFragment.fetch_peppers_progressbar.setVisibility(View.VISIBLE);
    MainScreenPepperListFragment.fetching_peppers.setVisibility(View.VISIBLE);

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

        @Override
        protected Void doInBackground(Void... params) {
            ArrayList<String> productIdArray = new ArrayList<String>(Content.ITEM_MAP.keySet());
            Bundle productBundle = new Bundle();
            productBundle.putStringArrayList("ITEM_ID_LIST", productIdArray);

            try {
                Bundle purchases = npay.getPurchases(API_VERSION, activity.getPackageName(), ITEM_TYPE_INAPP,
                        productBundle, null);
                Log.i("getPurchases",
                        "GET PURCHASES RESPONSE CODE: " + purchases.getInt("RESPONSE_CODE", RESULT_ERR));

                if (purchases.getInt("RESPONSE_CODE", RESULT_ERR) == RESULT_OK) {

                    ArrayList<String> purchaseDataList = purchases
                            .getStringArrayList("INAPP_PURCHASE_DATA_LIST");

                    for (String purchaseData : purchaseDataList) {
                        parsePurchaseData(purchaseData);
                    }
                    purchases_asked = true;
                } else {
                    Log.e("getPurchases", "GET PURCHASES - response was not ok: Result was: "
                            + purchases.getInt("RESPONSE_CODE", RESULT_ERR));
                }

            } catch (JSONException e) {
                Log.e("getPurchases", "PURCHASE DATA PARSING EXCEPTION: " + e.getMessage(), e);
            } catch (RemoteException e) {
                Log.e("getPurchases", "EXCEPTION: " + e.getMessage(), e);
            }
            return null;
        }

        private void parsePurchaseData(String purchaseData) throws JSONException {

            Purchase purchase = new Purchase(purchaseData);

            Product p = Content.ITEM_MAP.get(purchase.getProductId());

            if (p != null) {
                p.setPurchased(purchase);
                Log.i("getPurchases", "Restoring product " + purchase.getProductId() + " Purchase token: "
                        + purchase.getToken());
            } else {
                Log.i("getPurchases",
                        "Unable to restore product " + purchase.getProductId() + ". Product not found.");
            }

        }

        @Override
        protected void onPostExecute(Void result) {
            super.onPostExecute(result);
            MainScreenPepperListFragment.getpeppers.setVisibility(View.VISIBLE);
            MainScreenPepperListFragment.fetch_peppers_progressbar.setVisibility(View.GONE);
            MainScreenPepperListFragment.fetching_peppers.setVisibility(View.GONE);

            if (ProductListFragment.purchaseListAdapter != null) {
                ProductListFragment.purchaseListAdapter.notifyDataSetChanged();
            }
            if (MainScreenPepperListFragment.reference.adapter != null) {
                MainScreenPepperListFragment.reference.adapter.notifyDataSetChanged();
            }
        }

    };
    restoreTask.execute();
}

From source file:at.jclehner.rxdroid.Backup.java

private static void encryptAll(final Context context, final String key, final Runnable callback) {
    new AsyncTask<Void, String, Exception>() {
        private ProgressDialog mDialog;
        private List<File> mFiles;

        @Override//from   www . j  av a 2  s . c  o  m
        protected void onPreExecute() {
            mFiles = Backup.getBackupFiles(context);

            mDialog = new ProgressDialog(context);
            mDialog.setTitle(R.string._msg_encrypting);
            mDialog.setCancelable(false);
            mDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
            mDialog.setIndeterminate(false);
            mDialog.setMax(mFiles.size());
            mDialog.setProgress(0);
            mDialog.show();
        }

        @Override
        protected Exception doInBackground(Void... params) {
            int progress = 0;

            for (File file : mFiles) {
                try {
                    Backup.encrypt(context, file, key);
                } catch (IOException | ZipException e) {
                    Log.w(TAG, e);
                    return e;
                }

                mDialog.setProgress(progress++);
            }

            return null;
        }

        @Override
        protected void onCancelled() {
            super.onCancelled();
        }

        @Override
        protected void onPostExecute(Exception e) {
            if (mDialog != null) {
                mDialog.dismiss();
                mDialog = null;
            }

            if (e != null)
                Util.showExceptionDialog(mDialog.getContext(), e);
            else if (callback != null)
                callback.run();

        }
    }.execute();
}

From source file:org.droid2droid.internal.AbstractRemoteAndroidImpl.java

@Override
public boolean bindService(final Intent service, final ServiceConnection conn, final int flags) {

    new AsyncTask<Void, Void, Void>() {
        @Override// www . j a  v  a  2s .com
        protected Void doInBackground(Void... v) {
            try {
                ComponentName[] name = new ComponentName[1];
                int oid = bindOID(getConnectionId(), System.identityHashCode(conn), service, flags, name,
                        mExecuteTimeout);
                if (oid == -1)
                    PostTools.postServiceDisconnected(conn, name[0]);
                else {
                    RemoteBinderProxy proxy = new RemoteBinderProxy(AbstractRemoteAndroidImpl.this, oid);
                    Binded disconnect = new Binded();
                    disconnect.name = name[0];
                    disconnect.conn = conn;
                    disconnect.proxy = proxy;
                    synchronized (mBinders) {
                        mBinders.put(conn, disconnect);
                    }
                    PostTools.postServiceConnected(conn, name[0], proxy);
                }
            } catch (SecurityException e) {
                if (E)
                    Log.e(TAG_SECURITY, PREFIX_LOG + "Refuse connexion", e);
                close();
            } catch (RemoteException e) {
                PostTools.postServiceDisconnected(conn, null); // FIXME: null en ComponentName ?
            }
            return null;
        }
    }.execute();
    return true;
}

From source file:com.odoo.addons.crm.models.CRMLead.java

public void convertToOpportunity(final ODataRow lead, final List<Integer> other_lead_ids,
        final OnOperationSuccessListener listener) {
    new AsyncTask<Void, Void, Void>() {
        private ProgressDialog dialog;

        @Override/*from w ww. j av  a  2 s  . c  om*/
        protected void onPreExecute() {
            super.onPreExecute();
            dialog = new ProgressDialog(mContext);
            dialog.setTitle(R.string.title_please_wait);
            dialog.setMessage(OResource.string(mContext, R.string.title_working));
            dialog.setCancelable(false);
            dialog.show();
        }

        @Override
        protected Void doInBackground(Void... params) {
            try {
                odoo.Odoo odoo = getServerDataHelper().getOdoo();
                // Creating wizard record
                JSONObject values = new JSONObject();
                values.put("name", (other_lead_ids.size() > 0) ? "merge" : "convert");
                Object partner_id = false;
                ODataRow partner = null;
                if (!lead.getString("partner_id").equals("false")) {
                    ResPartner resPartner = new ResPartner(mContext, getUser());
                    partner = resPartner.browse(lead.getInt("partner_id"));
                    partner_id = partner.getInt("id");
                }
                values.put("action", (partner == null) ? "create" : "exist");
                values.put("partner_id", partner_id);

                JSONObject context = new JSONObject();
                context.put("stage_type", "lead");
                context.put("active_id", lead.getInt("id"));
                other_lead_ids.add(lead.getInt("id"));
                context.put("active_ids", JSONUtils.<Integer>toArray(other_lead_ids));
                context.put("active_model", "crm.lead");
                odoo.updateContext(context);
                JSONObject result = odoo.createNew("crm.lead2opportunity.partner", values);
                int lead_to_opp_partner_id = result.getInt("result");

                // Converting lead to opportunity
                OArguments arg = new OArguments();
                arg.add(lead_to_opp_partner_id);
                arg.add(context);
                odoo.call_kw("crm.lead2opportunity.partner", "action_apply", arg.get());
                OValues val = new OValues();
                val.put("type", "opportunity");
                for (int id : other_lead_ids) {
                    update(selectRowId(id), val);
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
            return null;
        }

        @Override
        protected void onPostExecute(Void aVoid) {
            super.onPostExecute(aVoid);
            dialog.dismiss();
            if (listener != null) {
                listener.OnSuccess();
            }
        }

        @Override
        protected void onCancelled() {
            super.onCancelled();
            dialog.dismiss();
            if (listener != null) {
                listener.OnCancelled();
            }
        }
    }.execute();
}