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:com.tt.jobtracker.MainActivity.java

private void registerInBackground() {
    new AsyncTask<Void, Void, String>() {
        @Override//from ww w  .  j a v a 2s .  c  o  m
        protected String doInBackground(Void... params) {
            String msg = "";
            try {
                if (gcm == null) {
                    gcm = GoogleCloudMessaging.getInstance(context);
                }
                regid = gcm.register(Shared.GCM_SENDER_ID);
                msg = "Device registered, registration ID=" + regid;
                Shared.LoggedInUser.GcmRegID = regid;
                //sendRegistrationIdToBackend(regid, Shared.LoggedInUser.ID);

                storeRegistrationId(context, regid, Shared.LoggedInUser.ID);
            } catch (IOException ex) {
                msg = "Error :" + ex.getMessage();
            }
            return msg;
        }

        @Override
        protected void onPostExecute(String msg) {

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

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From source file:mobile.tiis.appv2.LoginActivity.java

private void sendRegistrationIdToBackend() {
    final Context context = this;
    mRegisterTask = new AsyncTask<Void, Void, Void>() {
        @Override//from  w w w. ja  v  a  2s .c  om
        protected Void doInBackground(Void... params) {
            /**
             * Register on our server
             * On server creates a new user
             */
            ServerUtilities.register(context, regId);
            return null;
        }

        @Override
        protected void onPostExecute(Void result) {
            mRegisterTask = null;
            Log.d(TAG, "The appv2 has been registered on ADR Hakiki dawa Server");
        }
    };
    mRegisterTask.execute();
}

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From source file:com.google.android.apps.santatracker.doodles.shared.HistoryManager.java

/**
 * Loads the history object from file.  Then merges with any changes that might have occured while
 * we waited for it to load./*from w  w  w .ja v a  2 s  .  c om*/
 */
private void load() {
    new AsyncTask<Void, Void, Void>() {
        @Override
        protected Void doInBackground(Void... params) {
            try {
                File file = new File(context.getFilesDir(), FILENAME);
                int length = (int) file.length();
                if (length <= 0) {
                    history = new JSONObject();
                    return null;
                }

                byte[] bytes = new byte[length];
                FileInputStream inputStream = new FileInputStream(file);
                inputStream.read(bytes);
                inputStream.close();

                history = new JSONObject(new String(bytes, "UTF-8"));
                Log.i(TAG, "Loaded: " + history);
            } catch (JSONException e) {
                Log.w(TAG, "Couldn't create JSON for: " + FILENAME);
            } catch (UnsupportedEncodingException e) {
                Log.d(TAG, "Couldn't decode: " + FILENAME);
            } catch (IOException e) {
                Log.w(TAG, "Couldn't read history: " + FILENAME);
            }
            return null;
        }

        @Override
        protected void onPostExecute(Void result) {
            if (listener != null) {
                listener.onFinishedLoading();
            }
        }
    }.execute();
}

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From source file:br.com.arlsoft.pushclient.PushClientModule.java

@Kroll.method
public void unregisterPush() {
    new AsyncTask<Void, Void, String>() {
        @Override/*from w w  w .  j av a  2  s. c om*/
        protected String doInBackground(Void... params) {
            String msg = "";
            try {
                if (gcm == null) {
                    gcm = GoogleCloudMessaging.getInstance(context);
                }
                gcm.unregister();
                registrationId = "";
                TiApplication appContext = TiApplication.getInstance();
                appContext.getAppProperties().removeProperty(PROPERTY_REG_ID);
            } catch (IOException ex) {
                msg = ex.getMessage();
            }
            return msg;
        }

        @Override
        protected void onPostExecute(String msg) {
            if (!msg.isEmpty()) {
                sendError(ERROR_UNREGISTER, msg);
            }
        }
    }.execute(null, null, null);
}

---

From source file:com.github.jimcoven.nodeauth.GoogleLoginManager.java

/**
* JSON WEB TOKEN - for identification. This is sufficient for server login purposes
*///  ww  w  . j  a  v a 2  s  .co m
public void requestIdentityToken() {
    if (mGoogleApiClient.isConnected() && configuration != null && configuration.WEB_CLIENT_ID != null) {

        final String email = Plus.AccountApi.getAccountName(mGoogleApiClient);
        final String scope = configuration.getIdentityTokenScope();

        AsyncTask<Void, Void, String> task = new AsyncTask<Void, Void, String>() {
            @Override
            protected String doInBackground(Void... params) {
                try {
                    return GoogleAuthUtil.getToken(mContext, email, scope);
                } catch (Exception e) {
                    Log.e(TAG, e.getMessage());
                }
                return null;
            }

            @Override
            protected void onPostExecute(String token) {
                mConnectionListener.onIdentityToken(token != null, token);
            }
        };
        task.execute();
    }
}

---

From source file:net.kourlas.voipms_sms.Notifications.java

/**
 * Enable SMS notifications by configuring the VoIP.ms URL callback, registering for GCM and making the appropriate
 * changes to the application preferences.
 *
 * @param activity The source activity./* ww  w . java  2  s. c o  m*/
 */
public void enableNotifications(final Activity activity) {
    if (preferences.getEmail().equals("") || preferences.getPassword().equals("")
            || preferences.getDid().equals("")) {
        Utils.showInfoDialog(activity,
                applicationContext.getString(R.string.notifications_callback_username_password_did));
        return;
    }

    final ProgressDialog progressDialog = new ProgressDialog(activity);
    progressDialog.setMessage(activity.getString(R.string.notifications_callback_progress));
    progressDialog.setCancelable(false);
    progressDialog.show();

    new AsyncTask<Boolean, Void, Boolean>() {
        @Override
        protected Boolean doInBackground(Boolean... params) {
            try {
                String url = "https://www.voip.ms/api/v1/rest.php?" + "api_username="
                        + URLEncoder.encode(preferences.getEmail(), "UTF-8") + "&" + "api_password="
                        + URLEncoder.encode(preferences.getPassword(), "UTF-8") + "&" + "method=setSMS" + "&"
                        + "did=" + URLEncoder.encode(preferences.getDid(), "UTF-8") + "&" + "enable=1" + "&"
                        + "url_callback_enable=1" + "&" + "url_callback=" + URLEncoder
                                .encode("http://voipmssms-kourlas.rhcloud.com/sms_callback?did={TO}", "UTF-8")
                        + "&" + "url_callback_retry=0";

                JSONObject result = Utils.getJson(url);
                String status = result.optString("status");
                return !(status == null || !status.equals("success"));
            } catch (Exception ex) {
                return false;
            }
        }

        @Override
        protected void onPostExecute(Boolean success) {
            progressDialog.hide();

            DialogInterface.OnClickListener gcmOnClickListener = new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {
                    gcm.registerForGcm(activity, true, true);
                }
            };

            if (!success) {
                Utils.showAlertDialog(activity, null,
                        applicationContext.getString(R.string.notifications_callback_fail),
                        applicationContext.getString(R.string.ok), gcmOnClickListener, null, null);
            } else {
                Utils.showAlertDialog(activity, null,
                        applicationContext.getString(R.string.notifications_callback_success),
                        applicationContext.getString(R.string.ok), gcmOnClickListener, null, null);
            }
        }
    }.execute();
}

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From source file:fr.mdk.kisspush.KISSPush.java

/**
 * Registers the application with GCM servers asynchronously.
 * <p>//from  w w  w.  j  a v a  2  s  . c om
 * Stores the registration ID and the app versionCode in the application's
 * shared preferences.
 */
private void registerInBackground() {
    final KISSPush self = this;
    new AsyncTask<Void, Void, String>() {
        @Override
        protected String doInBackground(Void... params) {
            String msg = "";
            try {
                if (gcm == null) {
                    gcm = GoogleCloudMessaging.getInstance(context);
                }
                regid = gcm.register(SENDER_ID);
                msg = "Device registered, registration ID=" + regid;
                self.onRegIdAvailable(regid);
                storeRegistrationId(context, regid);
            } catch (IOException ex) {
                msg = "Error :" + ex.getMessage();
                // If there is an error, don't just keep trying to register.
                // Require the useor other views support the
                // swipe-to-dismissr to click a button again, or perform
                // exponential back-off.
            }
            return msg;
        }

        @Override
        protected void onPostExecute(String msg) {
        }
    }.execute(null, null, null);
}

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From source file:com.xirvik.transdroid.preferences.PreferencesXirvikServer.java

private void updateScgiMountFolder() {
    if (typeValue != null && XirvikServerType.fromCode(typeValue) == XirvikServerType.SharedRtorrent) {
        new AsyncTask<Void, Void, String>() {
            @Override//  w  w w  . j  a v  a2  s . co  m
            protected String doInBackground(Void... params) {
                try {
                    // Get, from the server, the RPC SCGI mount address
                    DefaultHttpClient httpclient = HttpHelper.createStandardHttpClient(true, userValue,
                            passValue, true, null, HttpHelper.DEFAULT_CONNECTION_TIMEOUT, serverValue, 443);
                    String url = "https://" + serverValue + ":443/browsers_addons/transdroid_autoconf.txt";
                    HttpResponse request = httpclient.execute(new HttpGet(url));
                    InputStream stream = request.getEntity().getContent();
                    String folderVal = HttpHelper.ConvertStreamToString(stream).trim();
                    if (folderVal.startsWith("<?xml")) {
                        folderVal = null;
                    }
                    stream.close();
                    return folderVal;
                } catch (DaemonException e) {
                } catch (ClientProtocolException e) {
                } catch (IOException e) {
                }
                return null;
            }

            @Override
            protected void onPostExecute(String result) {
                storeScgiMountFolder(result);
            }
        }.execute();
    } else {
        // No need to retrieve this value
        storeScgiMountFolder(XirvikSettings.RTORRENT_FOLDER);
    }
}

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From source file:com.teinproductions.tein.papyrosprogress.UpdateCheckReceiver.java

private void checkBlog() {
    // The amount of blog posts that were found when last checked
    final SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(context);
    final int cachePostAmount = pref.getInt(Constants.CACHED_BLOG_AMOUNT, -1);

    // Load the GitHub API page containing information about the amount of blog posts
    new AsyncTask<Void, Void, Integer>() {
        @Override// ww w  .j a  va2 s.  c  om
        protected Integer doInBackground(Void... params) {
            try {
                MilestoneLoader.Result file = IOUtils.loadPage(Constants.PAPYROS_BLOG_API_URL);
                if (file.getError() != MilestoneLoader.Result.NO_ERROR)
                    return null;
                return new JSONArray(file.getStrData()).length();
            } catch (Exception e) {
                return null;
            }
        }

        @Override
        protected void onPostExecute(Integer newPostAmount) {
            try {
                // If there was a cachePostAmount present in storage, compare it to the new amount
                if (cachePostAmount != -1 && newPostAmount > cachePostAmount) {
                    // A blog post has been added
                    issueBlogNotification(UpdateCheckReceiver.this.context);
                }

                pref.edit().putInt(Constants.CACHED_BLOG_AMOUNT, newPostAmount).apply();
            } catch (Exception ignored) {
            }
        }
    }.execute();
}

---

From source file:android_network.hetnet.vpn_service.AdapterLog.java

@Override
public void bindView(final View view, final Context context, final Cursor cursor) {
    // Get values
    final long id = cursor.getLong(colID);
    long time = cursor.getLong(colTime);
    int version = (cursor.isNull(colVersion) ? -1 : cursor.getInt(colVersion));
    int protocol = (cursor.isNull(colProtocol) ? -1 : cursor.getInt(colProtocol));
    String flags = cursor.getString(colFlags);
    String saddr = cursor.getString(colSAddr);
    int sport = (cursor.isNull(colSPort) ? -1 : cursor.getInt(colSPort));
    String daddr = cursor.getString(colDAddr);
    int dport = (cursor.isNull(colDPort) ? -1 : cursor.getInt(colDPort));
    String dname = (cursor.isNull(colDName) ? null : cursor.getString(colDName));
    int uid = (cursor.isNull(colUid) ? -1 : cursor.getInt(colUid));
    String data = cursor.getString(colData);
    int allowed = (cursor.isNull(colAllowed) ? -1 : cursor.getInt(colAllowed));
    int connection = (cursor.isNull(colConnection) ? -1 : cursor.getInt(colConnection));
    int interactive = (cursor.isNull(colInteractive) ? -1 : cursor.getInt(colInteractive));

    // Get views/*from w  w  w.  j av  a  2 s  . c o  m*/
    TextView tvTime = (TextView) view.findViewById(R.id.tvTime);
    TextView tvProtocol = (TextView) view.findViewById(R.id.tvProtocol);
    TextView tvFlags = (TextView) view.findViewById(R.id.tvFlags);
    TextView tvSAddr = (TextView) view.findViewById(R.id.tvSAddr);
    TextView tvSPort = (TextView) view.findViewById(R.id.tvSPort);
    final TextView tvDaddr = (TextView) view.findViewById(R.id.tvDAddr);
    TextView tvDPort = (TextView) view.findViewById(R.id.tvDPort);
    final TextView tvOrganization = (TextView) view.findViewById(R.id.tvOrganization);
    ImageView ivIcon = (ImageView) view.findViewById(R.id.ivIcon);
    TextView tvUid = (TextView) view.findViewById(R.id.tvUid);
    TextView tvData = (TextView) view.findViewById(R.id.tvData);
    ImageView ivConnection = (ImageView) view.findViewById(R.id.ivConnection);
    ImageView ivInteractive = (ImageView) view.findViewById(R.id.ivInteractive);

    // Show time
    tvTime.setText(new SimpleDateFormat("HH:mm:ss").format(time));

    // Show connection type
    if (connection <= 0)
        ivConnection.setImageResource(allowed > 0 ? R.drawable.host_allowed : R.drawable.host_blocked);
    else {
        if (allowed > 0)
            ivConnection.setImageResource(connection == 1 ? R.drawable.wifi_on : R.drawable.other_on);
        else
            ivConnection.setImageResource(connection == 1 ? R.drawable.wifi_off : R.drawable.other_off);
    }
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
        Drawable wrap = DrawableCompat.wrap(ivConnection.getDrawable());
        DrawableCompat.setTint(wrap, allowed > 0 ? colorOn : colorOff);
    }

    // Show if screen on
    if (interactive <= 0)
        ivInteractive.setImageDrawable(null);
    else {
        ivInteractive.setImageResource(R.drawable.screen_on);
        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
            Drawable wrap = DrawableCompat.wrap(ivInteractive.getDrawable());
            DrawableCompat.setTint(wrap, colorOn);
        }
    }

    // Show protocol name
    tvProtocol.setText(Util.getProtocolName(protocol, version, false));

    // SHow TCP flags
    tvFlags.setText(flags);
    tvFlags.setVisibility(TextUtils.isEmpty(flags) ? View.GONE : View.VISIBLE);

    // Show source and destination port
    if (protocol == 6 || protocol == 17) {
        tvSPort.setText(sport < 0 ? "" : getKnownPort(sport));
        tvDPort.setText(dport < 0 ? "" : getKnownPort(dport));
    } else {
        tvSPort.setText(sport < 0 ? "" : Integer.toString(sport));
        tvDPort.setText(dport < 0 ? "" : Integer.toString(dport));
    }

    // Application icon
    ApplicationInfo info = null;
    PackageManager pm = context.getPackageManager();
    String[] pkg = pm.getPackagesForUid(uid);
    if (pkg != null && pkg.length > 0)
        try {
            info = pm.getApplicationInfo(pkg[0], 0);
        } catch (PackageManager.NameNotFoundException ignored) {
        }
    if (info == null)
        ivIcon.setImageDrawable(null);
    else if (info.icon == 0)
        Picasso.with(context).load(android.R.drawable.sym_def_app_icon).into(ivIcon);
    else {
        Uri uri = Uri.parse("android.resource://" + info.packageName + "/" + info.icon);
        Picasso.with(context).load(uri).resize(iconSize, iconSize).into(ivIcon);
    }

    // https://android.googlesource.com/platform/system/core/+/master/include/private/android_filesystem_config.h
    uid = uid % 100000; // strip off user ID
    if (uid == -1)
        tvUid.setText("");
    else if (uid == 0)
        tvUid.setText(context.getString(R.string.title_root));
    else if (uid == 9999)
        tvUid.setText("-"); // nobody
    else
        tvUid.setText(Integer.toString(uid));

    // Show source address
    tvSAddr.setText(getKnownAddress(saddr));

    // Show destination address
    if (resolve && !isKnownAddress(daddr))
        if (dname == null) {
            tvDaddr.setText(daddr);
            new AsyncTask<String, Object, String>() {
                @Override
                protected void onPreExecute() {
                    ViewCompat.setHasTransientState(tvDaddr, true);
                }

                @Override
                protected String doInBackground(String... args) {
                    try {
                        return InetAddress.getByName(args[0]).getHostName();
                    } catch (UnknownHostException ignored) {
                        return args[0];
                    }
                }

                @Override
                protected void onPostExecute(String name) {
                    tvDaddr.setText(">" + name);
                    ViewCompat.setHasTransientState(tvDaddr, false);
                }
            }.execute(daddr);
        } else
            tvDaddr.setText(dname);
    else
        tvDaddr.setText(getKnownAddress(daddr));

    // Show organization
    tvOrganization.setVisibility(View.GONE);
    if (organization) {
        if (!isKnownAddress(daddr))
            new AsyncTask<String, Object, String>() {
                @Override
                protected void onPreExecute() {
                    ViewCompat.setHasTransientState(tvOrganization, true);
                }

                @Override
                protected String doInBackground(String... args) {
                    try {
                        return Util.getOrganization(args[0]);
                    } catch (Throwable ex) {
                        Log.w(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
                        return null;
                    }
                }

                @Override
                protected void onPostExecute(String organization) {
                    if (organization != null) {
                        tvOrganization.setText(organization);
                        tvOrganization.setVisibility(View.VISIBLE);
                    }
                    ViewCompat.setHasTransientState(tvOrganization, false);
                }
            }.execute(daddr);
    }

    // Show extra data
    if (TextUtils.isEmpty(data)) {
        tvData.setText("");
        tvData.setVisibility(View.GONE);
    } else {
        tvData.setText(data);
        tvData.setVisibility(View.VISIBLE);
    }
}

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