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:kr.co.cashqc.MainActivity.java

public String getRegId() {
    final String regId = GCMRegistrar.getRegistrationId(getApplicationContext());
    Log.e("JAY", "regid = " + regId);
    if (regId.equals("")) {
        GCMRegistrar.register(this, SENDER_ID);
        GCMRegistrar.checkDevice(this);
        GCMRegistrar.checkManifest(this);
    } else {/*from ww w  .  j a  v a2s. c  o m*/
        if (GCMRegistrar.isRegisteredOnServer(this)) {
            // Toast.makeText(getApplicationContext(), "Already",
            // Toast.LENGTH_LONG).show();
        } else {
            final Context context = this;
            mRegisterTask = new AsyncTask<Void, Void, Void>() {

                protected Void doInBackground(Void... params) {
                    ServerUtilities.register(context, "central", getPhoneNumber(), regId);
                    return null;
                }

                @Override
                protected void onPostExecute(Void result) {
                    mRegisterTask = null;
                }
            };
            mRegisterTask.execute(null, null, null);
        }
        Log.v("JAY", "Already registered");
    }
    return regId;
}

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From source file:com.eugene.fithealthmaingit.UI.NavFragments.FragmentSearch.java

private void searchFood(final String item, final int page_num) {
    if (!NetworkConnectionStatus.isNetworkAvailable(getActivity())) {
        Toast.makeText(getActivity(), "Check your connection and try again", Toast.LENGTH_LONG).show();
    } else {/* w w  w .  j a v  a  2 s  .  co  m*/
        mAsyncTask = new AsyncTask<String, String, String>() {
            @Override
            protected void onPreExecute() {
            }

            @Override
            protected String doInBackground(String... arg0) {
                JSONObject food = mFatSecretSearch.searchFood(item, page_num);
                JSONArray FOODS_ARRAY;
                try {
                    if (food != null) {
                        FOODS_ARRAY = food.getJSONArray("food");
                        if (FOODS_ARRAY != null) {
                            for (int i = 0; i < FOODS_ARRAY.length(); i++) {
                                JSONObject food_items = FOODS_ARRAY.optJSONObject(i);
                                String food_name = food_items.getString("food_name");
                                String food_description = food_items.getString("food_description");
                                String[] row = food_description.split("-");
                                String id = food_items.getString("food_type");
                                if (id.equals("Brand")) {
                                    brand = food_items.getString("brand_name");
                                }
                                if (id.equals("Generic")) {
                                    brand = "Generic";
                                }
                                String food_id = food_items.getString("food_id");
                                mItem.add(new SearchItemResult(food_name, row[1].substring(1), "" + brand,
                                        food_id));
                            }
                        }
                    }
                } catch (JSONException exception) {
                    exception.printStackTrace();
                    return "Error";
                }
                return "";
            }

            @Override
            protected void onPostExecute(String result) {
                super.onPostExecute(result);
                searchAdapter.notifyDataSetChanged();
                if (listContainer.getCount() > 0) {
                    searchBack.setVisibility(View.VISIBLE);
                    TranslateAnimation slide = new TranslateAnimation(0, 0, listContainer.getHeight(), 0);
                    slide.setStartTime(1000);
                    listContainer.setVisibility(View.VISIBLE);
                    slide.setAnimationListener(new Animation.AnimationListener() {
                        @Override
                        public void onAnimationStart(Animation animation) {
                        }

                        @Override
                        public void onAnimationEnd(Animation animation) {
                        }

                        @Override
                        public void onAnimationRepeat(Animation animation) {
                        }
                    });
                    slide.setDuration(400);
                    listContainer.startAnimation(slide);
                } else {
                    searchBack.setVisibility(View.GONE);
                    listContainer.setVisibility(View.GONE);
                }
            }

            @Override
            protected void onCancelled() {

            }
        };
        mAsyncTask.execute();
    }
}

---

From source file:com.eugene.fithealthmaingit.UI.ChooseAddMealSearchFragment.java

/**
 * FatSecret Search method.//w w  w  . j  a v a2 s. c om
 * Connect to Rest and return search results based on text and page number
 * Implements FatSecretSearchMethod.class
 *
 * @param item     string to search item
 * @param page_num currently showing 20 items per page. Adds more items if page num increases
 */
private void searchFood(final String item, final int page_num) {
    /**
     * Add Items to the recent database if item is added to the hash set
     */
    for (int i = 0; i < mRecentLogAdapter.getCount(); i++) {
        LogQuickSearch ls = mRecentLogAdapter.getItem(i);
        String name = ls.getName();
        set.add(name.toUpperCase());
    }
    if (set.add(item.toUpperCase())) {
        LogQuickSearch recentLog = new LogQuickSearch();
        recentLog.setName(item);
        recentLog.setDate(new Date());
        recentLog.save();
        mRecentLogAdapter.add(recentLog);
        mRecentLogAdapter.notifyDataSetChanged();
    }

    AsyncTask<String, String, String> mAsyncTask = new AsyncTask<String, String, String>() {
        @Override
        protected void onPreExecute() {
            mSwipeRefreshLayout.setEnabled(true);
            mSwipeRefreshLayout.setRefreshing(true);

        }

        @Override
        protected String doInBackground(String... arg0) {
            JSONObject food = mFatSecretSearch.searchFood(item, page_num);
            JSONArray FOODS_ARRAY;
            try {
                if (food != null) {
                    FOODS_ARRAY = food.getJSONArray("food");
                    if (FOODS_ARRAY != null) {
                        for (int i = 0; i < FOODS_ARRAY.length(); i++) {
                            JSONObject food_items = FOODS_ARRAY.optJSONObject(i);
                            String food_name = food_items.getString("food_name");
                            String food_description = food_items.getString("food_description");
                            String[] row = food_description.split("-");
                            String id = food_items.getString("food_type");
                            if (id.equals("Brand")) {
                                brand = food_items.getString("brand_name");
                            }
                            if (id.equals("Generic")) {
                                brand = "Generic";
                            }
                            String food_id = food_items.getString("food_id");
                            mItem.add(
                                    new SearchItemResult(food_name, row[1].substring(1), "" + brand, food_id));
                        }
                    }
                }
            } catch (JSONException exception) {
                exception.printStackTrace();
                return "Error";
            }
            return "";
        }

        @Override
        protected void onCancelled() {
        }

        @Override
        protected void onPostExecute(String result) {
            super.onPostExecute(result);
            if (result.equals("Error"))
                Toast.makeText(getActivity(), "No Items Containing Your Search", Toast.LENGTH_SHORT).show();
            mSwipeRefreshLayout.setRefreshing(false);
            mSwipeRefreshLayout.setEnabled(false);
            updateListView();
        }
    };
    mAsyncTask.execute();
}

---

From source file:com.ibm.mf.geofence.MFGeofencingManager.java

/**
 * Load a set of geofences from a reosurce file.
 * @param resource the path to the resource to load the geofences from.
 *///from w  w w  .j  ava2s .c  o  m
public void loadGeofencesFromResource(final String resource) {
    AsyncTask<Void, Void, Void> task = new AsyncTask<Void, Void, Void>() {
        private GeofenceList geofenceList;
        private HttpRequestError error;

        @Override
        protected Void doInBackground(Void... params) {
            ZipInputStream zis = null;
            try {
                InputStream is = getClass().getClassLoader().getResourceAsStream(resource);
                zis = new ZipInputStream(is);
                ZipEntry entry;
                Map<String, PersistentGeofence> allGeofences = new HashMap<>();
                while ((entry = zis.getNextEntry()) != null) {
                    byte[] bytes = GeofencingUtils.loadBytes(zis);
                    if (bytes != null) {
                        int fileSize = bytes.length;
                        JSONObject json = new JSONObject(new String(bytes, "UTF-8"));
                        bytes = null; // the byte[] may be large, we make sure it can be GC-ed ASAP
                        GeofenceList list = GeofencingJSONUtils.parseGeofences(json);
                        List<PersistentGeofence> geofences = list.getGeofences();
                        if ((geofences != null) && !geofences.isEmpty()) {
                            PersistentGeofence.saveInTx(geofences);
                            log.debug(String.format(Locale.US,
                                    "loaded %,d geofences from resource '[%s]/%s' (%,d bytes)",
                                    geofences.size(), resource, entry.getName(), fileSize));
                        }

                        for (PersistentGeofence pg : list.getGeofences()) {
                            allGeofences.put(pg.getCode(), pg);
                        }
                    } else {
                        log.debug(String.format("the zip entry [%s]/%s is empty", resource, entry.getName()));
                    }
                }
                geofenceList = new GeofenceList(new ArrayList<>(allGeofences.values()));
                log.debug(String.format(Locale.US, "loaded %,d geofences from resource '[%s]'",
                        allGeofences.size(), resource));
            } catch (Exception e) {
                error = new HttpRequestError(-1, e, String.format("error loading resource '%s'", resource));
            } finally {
                try {
                    zis.close();
                } catch (Exception e) {
                    log.error(String.format("error closing zip input stream for resource %s", resource), e);
                    if (error == null) {
                        error = new HttpRequestError(-1, e,
                                String.format("error loading resource '%s'", resource));
                    }
                }
            }
            return null;
        }

        @Override
        protected void onPostExecute(Void aVoid) {
            if (error != null) {
                log.error(String.format("error loading resource %s : %s", resource, error));
            } else {
                try {
                    Intent broadcastIntent = new Intent(MFGeofenceEvent.ACTION_GEOFENCE_EVENT);
                    broadcastIntent.setPackage(mContext.getPackageName());
                    MFGeofenceEvent.toIntent(broadcastIntent, MFGeofenceEvent.Type.SERVER_SYNC,
                            geofenceList.getGeofences(), null);
                    mContext.sendBroadcast(broadcastIntent);
                } catch (Exception e) {
                    log.error("error sending broadcast event", e);
                }
            }
        }
    };
    task.execute();
}

---

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

public void pushMe(final Context context, final PublishListener listener, final int bufsize, final int flags,
        final long timeout) throws RemoteException, IOException {
    new AsyncTask<PublishListener, Integer, Object>() {

        private PublishListener listener;

        @Override/*www. j a v a2  s. com*/
        protected Object doInBackground(PublishListener... params) {
            listener = params[0];
            FileInputStream in = null;
            int fd = -1;
            int connid = -1;
            int s;
            byte[] buf = new byte[bufsize];
            byte[] signature = null;
            try {
                PackageManager pm = context.getPackageManager();
                ApplicationInfo info = Droid2DroidManagerImpl.sAppInfo;
                String label = context.getString(info.labelRes);
                PackageInfo pi = pm.getPackageInfo(context.getPackageName(), PackageManager.GET_SIGNATURES);
                File filename = new File(info.publicSourceDir);

                int versionCode = pi.versionCode;
                signature = pi.signatures[0].toByteArray();

                long length = filename.length();
                connid = getConnectionId();
                if (V)
                    Log.v(TAG_INSTALL, PREFIX_LOG + "CLI propose apk " + info.packageName);
                fd = proposeApk(connid, label, info.packageName, versionCode, signature, length, flags,
                        timeout);
                if (fd > 0) {
                    // TODO: ask sender before send datas
                    if (V)
                        Log.v(TAG_INSTALL, PREFIX_LOG + "CLI it's accepted");
                    in = new FileInputStream(filename);
                    StringBuilder prog = new StringBuilder();
                    // TODO: multi thread for optimize read latency ?
                    long timeoutSendFile = 30000; // FIXME: Time out pour send file en dur.
                    long pos = 0;
                    if (V)
                        Log.v(TAG_INSTALL, PREFIX_LOG + "CLI send file");
                    while ((s = in.read(buf, 0, buf.length)) > 0) {
                        if (V) {
                            prog.append('*');
                            if (V)
                                Log.v(TAG_INSTALL, PREFIX_LOG + "" + prog.toString()); // TODO: A garder ?
                        }
                        if (!sendFileData(connid, fd, buf, s, pos, length, timeoutSendFile)) {
                            if (E)
                                Log.e(TAG_INSTALL, PREFIX_LOG + "Impossible to send file data");
                            throw new RemoteException();
                        }
                        pos += s;
                        publishProgress((int) ((double) pos / length * 10000L));
                    }
                    if (V)
                        Log.v(TAG_INSTALL, PREFIX_LOG + "CLI send file done");
                    if (installApk(connid, label, fd, flags, timeout)) {
                        if (V)
                            Log.v(TAG_INSTALL, PREFIX_LOG + "CLI apk is installed");
                        return 1;
                    } else {
                        if (V)
                            Log.v(TAG_INSTALL, PREFIX_LOG + "CLI install apk is canceled");
                        return new CancellationException("Install apk " + pi.packageName + " is canceled");
                    }
                } else {
                    if (V)
                        Log.v(TAG_INSTALL, PREFIX_LOG + "CLI install apk is accepted (" + fd + ")");
                    return fd;
                }
            } catch (NameNotFoundException e) {
                cancelCurrentUpload(timeout, fd, connid);
                return e;
            } catch (IOException e) {
                cancelCurrentUpload(timeout, fd, connid);
                return e;
            } catch (RemoteException e) {
                if (D)
                    Log.d(TAG_INSTALL, "Impossible to push apk (" + e.getMessage() + ")", e);
                cancelCurrentUpload(timeout, fd, connid);
                return e;
            } finally {
                if (in != null) {
                    try {
                        in.close();
                    } catch (IOException e) {
                        // Ignore
                    }
                }
            }
        }

        private void cancelCurrentUpload(final long timeout, int fd, int connid) {
            if (connid != -1 && fd != -1) {
                try {
                    cancelFileData(connid, fd, timeout);
                } catch (RemoteException e1) {
                    // Ignore
                }
            }
        }

        @Override
        protected void onProgressUpdate(Integer... values) {
            postPublishProgress(listener, values[0]);
        }

        @Override
        protected void onPostExecute(Object result) {
            if (result instanceof Throwable) {
                postPublishError(listener, (Throwable) result);
            } else
                postPublishFinish(listener, ((Integer) result).intValue());
        }
    }.execute(listener);
}

---

From source file:org.deviceconnect.android.deviceplugin.sonycamera.utils.DConnectUtil.java

/**
 * ???.//w w w. j  a  va  2  s .  c om
 * 
 * @param deviceId ?ID
 * @param mediaId ID
 * @param listener 
 */
public static void asyncStopMovie(final String deviceId, final String mediaId,
        final DConnectMessageHandler listener) {
    AsyncTask<Void, Void, DConnectMessage> task = new AsyncTask<Void, Void, DConnectMessage>() {
        @Override
        protected DConnectMessage doInBackground(final Void... params) {
            try {
                DConnectClient client = new HttpDConnectClient();
                HttpPut request = new HttpPut(
                        MEDIASTREAM_STOP + "?deviceId=" + deviceId + "&mediaId=" + mediaId);
                HttpResponse response = client.execute(request);
                return (new HttpMessageFactory()).newDConnectMessage(response);
            } catch (IOException e) {
                return new DConnectResponseMessage(DConnectMessage.RESULT_ERROR);
            }
        }

        @Override
        protected void onPostExecute(final DConnectMessage message) {
            if (listener != null) {
                listener.handleMessage(message);
            }
        }
    };
    task.execute();
}

---

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

private void load_data_from_server_search(final String search) {
    AsyncTask<Integer, Void, Void> task = new AsyncTask<Integer, Void, Void>() {
        @Override//  w  w w.jav a 2 s .co  m
        protected Void doInBackground(Integer... integers) {
            OkHttpClient client = new OkHttpClient();
            Request request = new Request.Builder().url("http://54.65.194.253/Drug/search.php?search=" + search)
                    .build();
            Log.d("searchtest", "4");
            try {
                Response response = client.newCall(request).execute();

                JSONArray array = new JSONArray(response.body().string());
                Log.d("searchtest", array.toString());
                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_list2.add(mydata);
                }
                Log.d("searchtest", "5");

            } 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(1);
}

---

From source file:ca.rmen.android.scrumchatter.main.MainActivity.java

/**
 * Called when the current team was changed. Update our cache of the current team and update the ui (menu items, action bar title).
 *///from w  w w  . j  av  a  2  s . c  o m
private void onTeamChanged() {
    AsyncTask<Void, Void, Void> task = new AsyncTask<Void, Void, Void>() {

        @Override
        protected Void doInBackground(Void... arg0) {
            mTeam = mTeams.getCurrentTeam();
            // If for some reason we have no current team, select any available team
            // Should not really happen, so perhaps this check should be removed?
            if (mTeam == null) {
                mTeams.selectFirstTeam();
            }
            mTeamCount = mTeams.getTeamCount();
            return null;
        }

        @Override
        protected void onPostExecute(Void result) {
            // If the user has renamed the default team or added other teams, show the current team name in the title
            if (mTeamCount > 1 || (mTeam != null && !mTeam.teamName.equals(Constants.DEFAULT_TEAM_NAME)))
                getSupportActionBar().setTitle(mTeam.teamName);
            // otherwise the user doesn't care about team management: just show the app title.
            else
                getSupportActionBar().setTitle(R.string.app_name);
            supportInvalidateOptionsMenu();
        }
    };
    task.execute();
}

---

From source file:com.mobilesolutionworks.android.twitter.TwitterPluginFragment.java

@SuppressWarnings("unchecked")
protected Task<RequestToken> doGetAuthenticationURL(final Twitter instance) {
    final Task<RequestToken>.TaskCompletionSource source = Task.create();

    new AsyncTask<Task<RequestToken>.TaskCompletionSource, Void, Object>() {
        @Override//w ww  .j  av a  2s . c o m
        protected Object doInBackground(Task<RequestToken>.TaskCompletionSource... params) {
            try {
                return instance.getOAuthRequestToken("oauth://works-twitter");
            } catch (TwitterException e) {
                return e;
            }
        }

        @Override
        protected void onPostExecute(Object s) {
            super.onPostExecute(s);
            if (s instanceof RequestToken) {
                source.trySetResult((RequestToken) s);
            } else {
                source.trySetError((Exception) s);
            }
        }
    }.execute(source);
    return source.getTask();
}

---

From source file:com.df.push.DemoActivity.java

private void getTopics() {
    final String url = "https://next.cloud.dreamfactory.com/rest/sns/topic?app_name=todoangular";

    new AsyncTask<Void, Void, String>() {
        @Override/* www.j av a 2 s  . c o  m*/
        protected String doInBackground(Void... params) {
            String msg = "";
            HttpResponse<JsonNode> jsonResponse;
            try {
                jsonResponse = Unirest.get(url).header("accept", "application/json").asJson();
                JSONArray topicsArray = jsonResponse.getBody().getObject().getJSONArray("resource");
                for (int i = 0; i < topicsArray.length(); i++) {
                    topics.add(topicsArray.getJSONObject(i).getString("Topic"));
                }
                Log.i(TAG, "Get Topic Response " + topics.toString());

            } catch (Exception e) {
                msg = e.getLocalizedMessage();
            }
            return msg;
        }

        @Override
        protected void onPostExecute(String msg) {
            //            mDisplay.append(msg + "\n")
            progressDialog.dismiss();
        }

        @Override
        protected void onPreExecute() {
            if (progressDialog != null)
                progressDialog.show();
        };
    }.execute(null, null, null);
}

---

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