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:com.naman14.algovisualizer.AlgoDescriptionFragment.java

public void setCodeDesc(final String key) {
    if (descJson == null && getActivity() != null) {
        new AsyncTask<Void, String, String>() {
            @Override/*from   www.  j  ava2 s.  c  o  m*/
            protected String doInBackground(Void... params) {
                return DataUtils.readDescJson(getActivity());
            }

            @Override
            protected void onPostExecute(String s) {
                super.onPostExecute(s);
                descJson = s;
                try {
                    descObject = new JSONObject(descJson);
                } catch (JSONException e) {
                    e.printStackTrace();
                }
                addDescData(key);
            }
        }.execute();
    } else
        addDescData(key);
}

From source file:com.finalproject.deliveronthego.SignUpDriver.java

public void getRegId() {
    new AsyncTask<Void, Void, String>() {
        @Override/*from w  w  w.  j  a va2s  . c  o m*/
        protected String doInBackground(Void... params) {
            String msg = "";
            try {
                if (gcm == null) {
                    gcm = GoogleCloudMessaging.getInstance(getApplicationContext());
                }
                regid = gcm.register(projectNumber);
                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) {
            Log.v("reg id", msg);
            new MyDriverSignup(getBaseContext()).execute(firstName.getText().toString(),
                    lastName.getText().toString(), password.getText().toString(),
                    driverLicense.getText().toString(), emailid.getText().toString(),
                    phoneNumber.getText().toString(), msg);

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

From source file:com.github.dfa.diaspora_android.task.GetPodsService.java

private void getPods() {
    /*/*  w w w.  j  a  v  a  2 s .c  om*/
     * Most of the code in this AsyncTask is from the file getPodlistTask.java
     * from the app "Diaspora Webclient".
     * A few modifications and adaptations were made by me.
     * Source:
     * https://github.com/voidcode/Diaspora-Webclient/blob/master/src/com/voidcode/diasporawebclient/getPodlistTask.java
     * Thanks to Terkel Srensen ; License : GPLv3
     */
    AsyncTask<Void, Void, String[]> getPodsAsync = new AsyncTask<Void, Void, String[]>() {
        @Override
        protected String[] doInBackground(Void... params) {

            // TODO: Update deprecated code

            StringBuilder builder = new StringBuilder();
            //HttpClient client = new DefaultHttpClient();
            List<String> list = null;
            HttpsURLConnection connection;
            InputStream inStream;
            try {
                connection = NetCipher
                        .getHttpsURLConnection("https://podupti.me/api.php?key=4r45tg&format=json");
                int statusCode = connection.getResponseCode();
                if (statusCode == 200) {
                    inStream = connection.getInputStream();
                    BufferedReader reader = new BufferedReader(new InputStreamReader(inStream));
                    String line;
                    while ((line = reader.readLine()) != null) {
                        builder.append(line);
                    }

                    try {
                        inStream.close();
                    } catch (IOException e) {
                        /*Nothing to do*/}

                    connection.disconnect();
                } else {
                    AppLog.e(this, "Failed to download list of pods");
                }
            } catch (IOException e) {
                //TODO handle json buggy feed
                e.printStackTrace();
            }
            //Parse the JSON Data
            try {
                JSONObject jsonObjectAll = new JSONObject(builder.toString());
                JSONArray jsonArrayAll = jsonObjectAll.getJSONArray("pods");
                AppLog.d(this, "Number of entries " + jsonArrayAll.length());
                list = new ArrayList<>();
                for (int i = 0; i < jsonArrayAll.length(); i++) {
                    JSONObject jo = jsonArrayAll.getJSONObject(i);
                    if (jo.getString("secure").equals("true"))
                        list.add(jo.getString("domain"));
                }

            } catch (Exception e) {
                //TODO Handle Parsing errors here
                e.printStackTrace();
            }
            if (list != null)
                return list.toArray(new String[list.size()]);
            else
                return null;
        }

        @Override
        protected void onPostExecute(String[] pods) {
            Intent broadcastIntent = new Intent(MESSAGE_PODS_RECEIVED);
            broadcastIntent.putExtra("pods", pods != null ? pods : new String[0]);
            LocalBroadcastManager.getInstance(getApplicationContext()).sendBroadcast(broadcastIntent);
            stopSelf();
        }
    };
    getPodsAsync.execute();
}

From source file:com.networksaremadeofstring.anonionooid.RelayGraphDetailsFragment.java

@Override
public void onResume() {
    super.onResume();
    try {/*from  w w  w  .  j  a  v  a2s .co m*/
        graphContainer.removeAllViews();
    } catch (Exception e) {
        e.printStackTrace();
    }

    new AsyncTask<Void, Void, JSONObject>() {
        @Override
        protected JSONObject doInBackground(Void... params) {
            try {
                return API.getRelayGraphs(getArguments().getString(Ooo.ARG_ITEM_ID));
            } catch (Exception e) {
                e.printStackTrace();
                return null;
            }
        }

        @Override
        protected void onPostExecute(JSONObject graphDetails) {
            //3 Day View
            try {
                int writeValueCount = graphDetails.getJSONObject("write_history").getJSONObject("3_days")
                        .getJSONArray("values").length();
                GraphView.GraphViewData[] writeValues = new GraphView.GraphViewData[writeValueCount];
                for (int i = 0; i < writeValueCount; i++) {
                    writeValues[i] = new GraphView.GraphViewData(i, graphDetails.getJSONObject("write_history")
                            .getJSONObject("3_days").getJSONArray("values").getInt(i));
                }
                GraphViewSeries writeSeries = new GraphViewSeries("Write Rate",
                        new GraphViewSeries.GraphViewSeriesStyle(Color.rgb(31, 119, 180), 1), writeValues);

                int readValueCount = graphDetails.getJSONObject("read_history").getJSONObject("3_days")
                        .getJSONArray("values").length();
                GraphView.GraphViewData[] readValues = new GraphView.GraphViewData[readValueCount];
                for (int i = 0; i < readValueCount; i++) {
                    readValues[i] = new GraphView.GraphViewData(i, graphDetails.getJSONObject("read_history")
                            .getJSONObject("3_days").getJSONArray("values").getInt(i));
                }
                GraphViewSeries readSeries = new GraphViewSeries("Read Rate",
                        new GraphViewSeries.GraphViewSeriesStyle(Color.rgb(255, 127, 14), 1), readValues);

                GraphView graphView = new LineGraphView(getActivity(), "3 Day Bandwidth Activity");
                graphView.addSeries(writeSeries);
                graphView.addSeries(readSeries);
                graphView.setMinimumHeight(400);
                graphView.setMinimumWidth(200);
                graphView.setShowLegend(true);
                graphView.setScalable(true);
                graphView.setHorizontalLabels(new String[] {
                        graphDetails.getJSONObject("read_history").getJSONObject("3_days").getString("first"),
                        graphDetails.getJSONObject("read_history").getJSONObject("3_days").getString("last") });
                graphContainer.addView(graphView);
            } catch (Exception e) {
                e.printStackTrace();
            }

            //1 week View
            try {
                int writeValueCount = graphDetails.getJSONObject("write_history").getJSONObject("1_week")
                        .getJSONArray("values").length();
                GraphView.GraphViewData[] writeValues = new GraphView.GraphViewData[writeValueCount];
                for (int i = 0; i < writeValueCount; i++) {
                    writeValues[i] = new GraphView.GraphViewData(i, graphDetails.getJSONObject("write_history")
                            .getJSONObject("1_week").getJSONArray("values").getInt(i));
                }
                GraphViewSeries writeSeries = new GraphViewSeries("Write Rate",
                        new GraphViewSeries.GraphViewSeriesStyle(Color.rgb(31, 119, 180), 1), writeValues);

                int readValueCount = graphDetails.getJSONObject("read_history").getJSONObject("1_week")
                        .getJSONArray("values").length();
                GraphView.GraphViewData[] readValues = new GraphView.GraphViewData[readValueCount];
                for (int i = 0; i < readValueCount; i++) {
                    readValues[i] = new GraphView.GraphViewData(i, graphDetails.getJSONObject("read_history")
                            .getJSONObject("1_week").getJSONArray("values").getInt(i));
                }
                GraphViewSeries readSeries = new GraphViewSeries("Read Rate",
                        new GraphViewSeries.GraphViewSeriesStyle(Color.rgb(255, 127, 14), 1), readValues);

                GraphView graphView = new LineGraphView(getActivity(), "1 Week Bandwidth Activity");
                graphView.addSeries(writeSeries);
                graphView.addSeries(readSeries);
                graphView.setMinimumHeight(400);
                graphView.setMinimumWidth(200);
                graphView.setShowLegend(true);
                graphView.setHorizontalLabels(new String[] {
                        graphDetails.getJSONObject("read_history").getJSONObject("1_week").getString("first"),
                        graphDetails.getJSONObject("read_history").getJSONObject("1_week").getString("last") });
                graphView.setScalable(true);

                graphContainer.addView(graphView);
            } catch (Exception e) {
                e.printStackTrace();
            }

            //1 Month View
            try {
                int writeValueCount = graphDetails.getJSONObject("write_history").getJSONObject("1_month")
                        .getJSONArray("values").length();
                GraphView.GraphViewData[] writeValues = new GraphView.GraphViewData[writeValueCount];
                for (int i = 0; i < writeValueCount; i++) {
                    writeValues[i] = new GraphView.GraphViewData(i, graphDetails.getJSONObject("write_history")
                            .getJSONObject("1_month").getJSONArray("values").getInt(i));
                }
                GraphViewSeries writeSeries = new GraphViewSeries("Write Rate",
                        new GraphViewSeries.GraphViewSeriesStyle(Color.rgb(31, 119, 180), 1), writeValues);

                int readValueCount = graphDetails.getJSONObject("read_history").getJSONObject("1_month")
                        .getJSONArray("values").length();
                GraphView.GraphViewData[] readValues = new GraphView.GraphViewData[readValueCount];
                for (int i = 0; i < readValueCount; i++) {
                    readValues[i] = new GraphView.GraphViewData(i, graphDetails.getJSONObject("read_history")
                            .getJSONObject("1_month").getJSONArray("values").getInt(i));
                }
                GraphViewSeries readSeries = new GraphViewSeries("Read Rate",
                        new GraphViewSeries.GraphViewSeriesStyle(Color.rgb(255, 127, 14), 1), readValues);

                GraphView graphView = new LineGraphView(getActivity(), "1 Month Bandwidth Activity");
                graphView.addSeries(writeSeries);
                graphView.addSeries(readSeries);
                graphView.setMinimumHeight(400);
                graphView.setMinimumWidth(200);
                graphView.setShowLegend(true);
                graphView.setScalable(true);
                graphView.setHorizontalLabels(new String[] {
                        graphDetails.getJSONObject("read_history").getJSONObject("1_month").getString("first"),
                        graphDetails.getJSONObject("read_history").getJSONObject("1_month")
                                .getString("last") });
                graphContainer.addView(graphView);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }.execute(null, null, null);
}

From source file:bf.io.openshop.ux.dialogs.LicensesDialogFragment.java

/**
 * Load file with licenses. Using AsyncTask just in case of a big file.
 *//*from w  ww .  j a va2 s  . c  o m*/
private void loadLicenses() {
    licenseAsyncTask = new AsyncTask<Void, Void, String>() {

        @Override
        protected String doInBackground(Void... params) {
            InputStream rawResource = getActivity().getResources().openRawResource(R.raw.licenses);
            BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(rawResource));

            String line;
            StringBuilder sb = new StringBuilder();

            try {
                while ((line = bufferedReader.readLine()) != null) {
                    sb.append(line);
                    sb.append("\n");
                }
                bufferedReader.close();
            } catch (IOException e) {
                Timber.e(e, "Load licenses failed.");
            }
            return sb.toString();
        }

        @Override
        protected void onPostExecute(String licensesBody) {
            super.onPostExecute(licensesBody);
            if (getActivity() == null || isCancelled()) {
                return;
            }
            progressBar.setVisibility(View.INVISIBLE);
            licenseWebView.setVisibility(View.VISIBLE);
            licenseWebView.loadDataWithBaseURL(null, licensesBody, "text/html", "utf-8", null);
            licenseAsyncTask = null;
        }
    }.execute();
}

From source file:com.codebutler.farebot.activities.ReadingTagActivity.java

private void resolveIntent(Intent intent) {
    final TextView textView = (TextView) findViewById(R.id.textView);

    try {/*from   ww  w  . j ava 2  s . co  m*/
        Bundle extras = intent.getExtras();

        final Tag tag = (Tag) extras.getParcelable("android.nfc.extra.TAG");
        ;
        final String[] techs = tag.getTechList();

        new AsyncTask<Void, String, MifareCard>() {
            Exception mException;

            @Override
            protected MifareCard doInBackground(Void... params) {
                try {
                    if (ArrayUtils.contains(techs, "android.nfc.tech.NfcB"))
                        return CEPASCard.dumpTag(tag.getId(), tag);
                    else if (ArrayUtils.contains(techs, "android.nfc.tech.IsoDep"))
                        return DesfireCard.dumpTag(tag.getId(), tag);
                    else
                        throw new UnsupportedTagException(techs, Utils.getHexString(tag.getId()));
                } catch (Exception ex) {
                    mException = ex;
                    return null;
                }
            }

            @Override
            protected void onPostExecute(MifareCard card) {
                if (mException != null) {
                    if (mException instanceof UnsupportedTagException) {
                        UnsupportedTagException ex = (UnsupportedTagException) mException;
                        new AlertDialog.Builder(ReadingTagActivity.this).setTitle("Unsupported Tag")
                                .setMessage(ex.getMessage()).setCancelable(false)
                                .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
                                    public void onClick(DialogInterface arg0, int arg1) {
                                        finish();
                                    }
                                }).show();
                    } else {
                        Utils.showErrorAndFinish(ReadingTagActivity.this, mException);
                    }
                    return;
                }

                try {
                    String cardXml = Utils.xmlNodeToString(card.toXML().getOwnerDocument());

                    ContentValues values = new ContentValues();
                    values.put(CardsTableColumns.TYPE, card.getCardType().toInteger());
                    values.put(CardsTableColumns.TAG_SERIAL, Utils.getHexString(card.getTagId()));
                    values.put(CardsTableColumns.DATA, cardXml);
                    values.put(CardsTableColumns.SCANNED_AT, card.getScannedAt().getTime());

                    Uri uri = getContentResolver().insert(CardProvider.CONTENT_URI_CARD, values);
                    startActivity(new Intent(Intent.ACTION_VIEW, uri));
                    finish();
                } catch (Exception ex) {
                    Utils.showErrorAndFinish(ReadingTagActivity.this, ex);
                }
            }

            @Override
            protected void onProgressUpdate(String... values) {
                textView.setText(values[0]);
            }

        }.execute();

    } catch (Exception ex) {
        Utils.showErrorAndFinish(this, ex);
    }
}

From source file:org.deviceconnect.android.uiapp.fragment.profile.DeviceOrientationProfileFragment.java

/**
 * ?./* w  ww. java  2 s .  co  m*/
 */
private void registerEvent() {
    (new AsyncTask<Void, Void, DConnectMessage>() {
        @Override
        public DConnectMessage doInBackground(final Void... args) {
            final TextView tv = (TextView) getView().findViewById(R.id.fragment_orientation_event);
            try {
                URIBuilder builder = new URIBuilder();
                if (isSSL()) {
                    builder.setScheme("https");
                } else {
                    builder.setScheme("http");
                }
                builder.setHost(getHost());
                builder.setPort(getPort());
                builder.setProfile(DeviceOrientationProfileConstants.PROFILE_NAME);
                builder.setAttribute(DeviceOrientationProfileConstants.ATTRIBUTE_ON_DEVICE_ORIENTATION);
                builder.addParameter(DConnectMessage.EXTRA_DEVICE_ID, getSmartDevice().getId());
                builder.addParameter(DConnectMessage.EXTRA_ACCESS_TOKEN, getAccessToken());
                builder.addParameter(DConnectMessage.EXTRA_SESSION_KEY, getClientId());
                HttpResponse response = HttpEventManager.INSTANCE.registerEvent(builder, new EventHandler() {
                    @Override
                    public void onEvent(final JSONObject event) {
                        if (event != null) {
                            getActivity().runOnUiThread(new Runnable() {
                                @Override
                                public void run() {
                                    tv.setText(event.toString());
                                }
                            });
                        }
                    }
                });
                return (new HttpMessageFactory()).newDConnectMessage(response);
            } catch (IOException e) {
                e.printStackTrace();
            }
            return null;
        }

        @Override
        protected void onPostExecute(final DConnectMessage result) {

            if (getActivity().isFinishing()) {
                return;
            }

            if (result != null) {
                TextView tv = (TextView) getView().findViewById(R.id.fragment_orientation_result);
                tv.setText(result.toString());
            }
        }
    }).execute();
}

From source file:org.deviceconnect.android.uiapp.fragment.profile.ProximityProfileFragment.java

/**
 * ?.//from   ww  w.j a v  a2  s  .  c o  m
 */
private void registerEvent() {
    (new AsyncTask<Void, Void, DConnectMessage>() {
        @Override
        public DConnectMessage doInBackground(final Void... args) {
            final TextView tv = (TextView) getView().findViewById(R.id.fragment_proximity_response);
            try {
                URIBuilder builder = new URIBuilder();
                if (isSSL()) {
                    builder.setScheme("https");
                } else {
                    builder.setScheme("http");
                }
                builder.setHost(getHost());
                builder.setPort(getPort());
                builder.setProfile(ProximityProfileConstants.PROFILE_NAME);
                builder.setAttribute(ProximityProfileConstants.ATTRIBUTE_ON_DEVICE_PROXIMITY);
                builder.addParameter(DConnectMessage.EXTRA_DEVICE_ID, getSmartDevice().getId());
                builder.addParameter(DConnectMessage.EXTRA_ACCESS_TOKEN, getAccessToken());
                builder.addParameter(DConnectMessage.EXTRA_SESSION_KEY, getClientId());
                HttpResponse response = HttpEventManager.INSTANCE.registerEvent(builder, new EventHandler() {
                    @Override
                    public void onEvent(final JSONObject event) {
                        if (event != null) {
                            getActivity().runOnUiThread(new Runnable() {
                                @Override
                                public void run() {
                                    tv.setText(event.toString());
                                }
                            });
                        }
                    }
                });
                return (new HttpMessageFactory()).newDConnectMessage(response);
            } catch (IOException e) {
                Log.e("ABC", "ABC", e);
            }
            return null;
        }

        @Override
        protected void onPostExecute(final DConnectMessage result) {
            if (getActivity().isFinishing()) {
                return;
            }

            if (result != null) {
                TextView tv = (TextView) getView().findViewById(R.id.fragment_proximity_event);
                tv.setText(result.toString());
            }
        }
    }).execute();
}

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

public void JsonParsing() {
    new AsyncTask<Void, Void, String>() {
        @Override//from  w  w  w  . j  a  va2  s .  co m
        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) {

            if (isOnline()) {
                HttpClient httpClient = new DefaultHttpClient();
                HttpGet httpget = new HttpGet(Config.URL + Config.U_ID);
                HttpResponse response = null;
                try {
                    response = httpClient.execute(httpget);
                    //Converting Response To JsonString
                    return ConvertResponse_TO_JSON.entityToString(response.getEntity());
                } catch (ClientProtocolException e) {
                    e.printStackTrace();
                } catch (IOException e) {
                    e.printStackTrace();
                }
                return "Bad Network";
            } else {
                return "Check Your Connection";
            }
        }

        @Override
        protected void onPostExecute(String JasonString) {
            try {
                progress.dismiss();

                try {
                    JSONArray JArray;
                    JArray = new JSONArray(JasonString);
                    for (int i = 0; i < JArray.length(); i++) {

                        JSONObject obj = JArray.optJSONObject(i);
                        String name = obj.optString("name").toString();
                        arrayList.add(name);
                    }
                } catch (Exception e) {
                    e.printStackTrace();
                }
                MyAdapter myAdapter = new MyAdapter(DashBoardActivity.this, arrayList, Config.IMG_ID);
                list = (ListView) (findViewById(R.id.list));
                list.setAdapter(myAdapter);

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