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:Main.java

public static void jumpPostToActivity(final Context context, final Class<? extends Activity> targetClass,
        final int second, final String... datas) {
    (new AsyncTask<String, Integer, Boolean>() {
        protected Boolean doInBackground(String... params) {
            try {
                Thread.sleep((long) (second * 1000));
            } catch (Exception var3) {
                ;//from w ww . j a  va2s . c  om
            }
            return null;
        }

        protected void onPostExecute(Boolean result) {
            super.onPostExecute(result);
            Intent datatIntent = new Intent(context, targetClass);
            if (datas != null) {
                for (int i = 0; i < datas.length; ++i) {
                    datatIntent.putExtra("data" + i, datas[i]);
                }
            }

            context.startActivity(datatIntent);
        }
    }).execute(new String[] { "" });
}

---

From source file:mc.lib.network.AsyncNetworkHelper.java

public static void saveToFile(final String url, final File file, final OnCompleteListener<File> listener) {
    new AsyncTask<Void, Void, File>() {
        @Override/*from  ww w .jav a2 s. co m*/
        protected File doInBackground(Void... params) {
            NetworkHelper.saveToFile(url, file);
            return file;
        }

        @Override
        protected void onPostExecute(File res) {
            super.onPostExecute(res);
            listener.complete(res);
        }
    }.execute((Void) null);
}

---

From source file:fr.shywim.antoinedaniel.utils.GcmUtils.java

public static void registerInBackground(final Context context, final GoogleCloudMessaging gcm) {
    new AsyncTask<Void, Void, Void>() {
        @Override//from w  w  w. j a  v  a  2s.c o m
        protected Void doInBackground(Void... params) {
            try {
                String regid = gcm.register(AppConstants.SENDER_ID);
                sendRegistrationIdToBackend(context, regid, Utils.getAppVersion(context));
                storeRegistrationId(context, regid);
            } catch (IOException ex) {
                Crashlytics.logException(ex);
            }
            return null;
        }
    }.execute(null, null, null);
}

---

From source file:br.com.cybereagle.androidtestlibrary.shadow.ShadowAsyncTaskLoader.java

@Implementation
void executePendingTask() {
    new AsyncTask<Void, Void, D>() {
        @Override//from www  . j av  a2 s .  co m
        protected D doInBackground(Void... params) {
            return (D) asyncTaskLoader.loadInBackground();
        }

        @Override
        protected void onPostExecute(D data) {
            updateLastLoadCompleteTimeField();
            asyncTaskLoader.deliverResult(data);
        }

        @Override
        protected void onCancelled(D data) {
            updateLastLoadCompleteTimeField();
            asyncTaskLoader.onCanceled(data);

            executePendingTask();
        }
    };
}

---

From source file:com.facebook.fresco.sample.urlsfetcher.ImageUrlsFetcher.java

public static void getImageUrls(final ImageUrlsRequest request, final Callback callback) {
    new AsyncTask<Void, Void, List<String>>() {
        @Override//w w w  .ja  va  2 s.co m
        protected List<String> doInBackground(Void... params) {
            return getImageUrls(request);
        }

        @Override
        protected void onPostExecute(List<String> result) {
            callback.onFinish(result);
        }
    }.execute();
}

---

From source file:com.xfinity.ceylon_steel.controller.CustomerController.java

public static void downloadCustomers(final Context context) {
    new AsyncTask<User, Void, JSONArray>() {

        @Override/*from w w  w .  j  a  v a 2  s .  c  om*/
        protected void onPreExecute() {
            if (UserController.progressDialog == null) {
                UserController.progressDialog = new ProgressDialog(context);
                UserController.progressDialog.setMessage("Downloading Data");
                UserController.progressDialog.setCanceledOnTouchOutside(false);
            }
            if (!UserController.progressDialog.isShowing()) {
                UserController.progressDialog.show();
            }
        }

        @Override
        protected JSONArray doInBackground(User... users) {
            try {
                User user = users[0];
                HashMap<String, Object> parameters = new HashMap<String, Object>();
                parameters.put("userId", user.getUserId());
                return getJsonArray(getCustomersOfUser, parameters, context);
            } catch (IOException ex) {
                Logger.getLogger(CustomerController.class.getName()).log(Level.SEVERE, null, ex);
            } catch (JSONException ex) {
                Logger.getLogger(CustomerController.class.getName()).log(Level.SEVERE, null, ex);
            }
            return null;
        }

        @Override
        protected void onPostExecute(JSONArray result) {
            if (UserController.atomicInteger.decrementAndGet() == 0 && UserController.progressDialog != null
                    && UserController.progressDialog.isShowing()) {
                UserController.progressDialog.dismiss();
                UserController.progressDialog = null;
            }
            if (result != null) {
                SQLiteDatabaseHelper databaseInstance = SQLiteDatabaseHelper.getDatabaseInstance(context);
                SQLiteDatabase database = databaseInstance.getWritableDatabase();
                SQLiteStatement compiledStatement = database
                        .compileStatement("replace into tbl_customer(customerId,customerName) values(?,?)");
                try {
                    database.beginTransaction();
                    for (int i = 0; i < result.length(); i++) {
                        JSONObject customer = result.getJSONObject(i);
                        compiledStatement.bindAllArgsAsStrings(
                                new String[] { Integer.toString(customer.getInt("customerId")),
                                        customer.getString("customerName") });
                        long response = compiledStatement.executeInsert();
                        if (response == -1) {
                            return;
                        }
                    }
                    database.setTransactionSuccessful();
                    Toast.makeText(context, "Customers downloaded successfully", Toast.LENGTH_SHORT).show();
                } catch (JSONException ex) {
                    Logger.getLogger(CustomerController.class.getName()).log(Level.SEVERE, null, ex);
                    Toast.makeText(context, "Unable parse customers", Toast.LENGTH_SHORT).show();
                } finally {
                    database.endTransaction();
                    databaseInstance.close();
                }
            } else {
                Toast.makeText(context, "Unable to download customers", Toast.LENGTH_SHORT).show();
            }
        }

    }.execute(UserController.getAuthorizedUser(context));
}

---

From source file:cn.figo.mydemo.content.RecentMediaStorage.java

public void saveUrlAsync(String url) {
    new AsyncTask<String, Void, Void>() {
        @Override// w ww . j a  v  a2 s  .c  o m
        protected Void doInBackground(String... params) {
            saveUrl(params[0]);
            return null;
        }
    }.execute(url);
}

---

From source file:org.jorge.lolin1.io.net.HTTPServices.java

public static void downloadFile(final String whatToDownload, final File whereToSaveIt) throws IOException {
    logString("debug", "Downloading url " + whatToDownload);
    AsyncTask<Void, Void, Object> imageDownloadAsyncTask = new AsyncTask<Void, Void, Object>() {
        @Override//  w  w  w.  j  a  va 2s . c  o m
        protected Object doInBackground(Void... params) {
            Object ret = null;
            BufferedInputStream bufferedInputStream = null;
            FileOutputStream fileOutputStream = null;
            try {
                logString("debug", "Opening stream for " + whatToDownload);
                bufferedInputStream = new BufferedInputStream(
                        new URL(URLDecoder.decode(whatToDownload, "UTF-8").replaceAll(" ", "%20"))
                                .openStream());
                logString("debug", "Opened stream for " + whatToDownload);
                fileOutputStream = new FileOutputStream(whereToSaveIt);

                final byte data[] = new byte[1024];
                int count;
                logString("debug", "Loop-writing " + whatToDownload);
                while ((count = bufferedInputStream.read(data, 0, 1024)) != -1) {
                    fileOutputStream.write(data, 0, count);
                }
                logString("debug", "Loop-written " + whatToDownload);
            } catch (IOException e) {
                return e;
            } finally {
                if (bufferedInputStream != null) {
                    try {
                        bufferedInputStream.close();
                    } catch (IOException e) {
                        ret = e;
                    }
                }
                if (fileOutputStream != null) {
                    try {
                        fileOutputStream.close();
                    } catch (IOException e) {
                        ret = e;
                    }
                }
            }
            return ret;
        }
    };
    imageDownloadAsyncTask.executeOnExecutor(fileDownloadExecutor);
    Object returned = null;
    try {
        returned = imageDownloadAsyncTask.get();
    } catch (ExecutionException | InterruptedException e) {
        Crashlytics.logException(e);
    }
    if (returned != null) {
        throw (IOException) returned;
    }
}

---

From source file:at.jclehner.appopsxposed.BugReportBuilder.java

public static void buildAndSend(final Context context) {
    if (!SU.available()) {
        Toast.makeText(context, R.string.toast_needs_root, Toast.LENGTH_SHORT).show();
        return;//from   w w  w. j av a 2  s  .c  om
    }

    Toast.makeText(context, R.string.building_toast, Toast.LENGTH_LONG).show();

    final BugReportBuilder brb = new BugReportBuilder(context);

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

        @Override
        protected Uri doInBackground(Void... params) {
            return brb.build();
        }

        @Override
        protected void onPostExecute(Uri result) {
            final ArrayList<Parcelable> uris = new ArrayList<Parcelable>();
            uris.add(result);

            final Intent target = new Intent(Intent.ACTION_SEND_MULTIPLE);
            target.setType("text/plain");
            target.putExtra(Intent.EXTRA_SUBJECT,
                    "[REPORT][AppOpsXposed " + Util.getAoxVersion(context) + "] " + Build.FINGERPRINT);
            target.putParcelableArrayListExtra(Intent.EXTRA_STREAM, uris);
            //target.putExtra(Intent.EXTRA_STREAM, result);
            target.putExtra(Intent.EXTRA_TEXT, "!!! BUG REPORTS WITHOUT ADDITIONAL INFO WILL BE IGNORED !!!");
            //target.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);

            final Intent intent = Intent.createChooser(target, null);
            //intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);

            context.startActivity(intent);
        }
    }.execute();
}

---

From source file:com.vinexs.tool.NetworkManager.java

public static void haveInternet(Context context, final OnInternetResponseListener listener) {
    if (!haveNetwork(context)) {
        listener.onResponsed(false);/*from w w w .  j av a  2  s. c  o  m*/
        return;
    }
    Log.d("Network", "Check internet is reachable ...");
    new AsyncTask<Void, Integer, Boolean>() {
        @Override
        protected Boolean doInBackground(Void... params) {
            try {
                InetAddress ipAddr = InetAddress.getByName("google.com");
                if (ipAddr.toString().equals("")) {
                    throw new Exception("Cannot resolve host name, no internet behind network.");
                }
                HttpURLConnection conn = (HttpURLConnection) new URL("http://google.com/").openConnection();
                conn.setInstanceFollowRedirects(false);
                conn.setConnectTimeout(3500);
                conn.setDoInput(true);
                conn.setDoOutput(true);
                conn.setRequestMethod("POST");
                DataOutputStream postOutputStream = new DataOutputStream(conn.getOutputStream());
                postOutputStream.write('\n');
                postOutputStream.close();
                conn.disconnect();
                Log.d("Network", "Internet is reachable.");
                return true;
            } catch (Exception e) {
                e.printStackTrace();
            }
            Log.d("Network", "Internet is unreachable.");
            return false;
        }

        @Override
        protected void onPostExecute(Boolean result) {
            listener.onResponsed(result);
        }
    }.execute();
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• 47
• 48
• 49
• 50
• »