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:net.kayateia.lifestream.UploadService.java

@Override
public int onStartCommand(Intent intent, int flags, int startId) {
    Log.i(LOG_TAG, "UploadService kicked");

    PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
    final PowerManager.WakeLock wl = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "");

    // See CaptureService for comments on this wake lock arrangement.
    boolean needsRelease = true;
    try {/*www.ja va 2 s  . co m*/
        // If we don't release it within the timeout somehow, release it anyway.
        // This may interrupt a long backlog upload or something, but this
        // is really about as long as we can reasonably expect to take.
        Log.v(LOG_TAG, "Acquire wakelock");
        if (wl != null)
            wl.acquire(WAKELOCK_TIMEOUT);
        if (!Network.IsActive(this)) {
            Log.i(LOG_TAG, "No network active, giving up");
            return START_NOT_STICKY;
        }

        // Do the check in a thread.
        new AsyncTask<UploadService, Void, Void>() {
            @Override
            protected Void doInBackground(UploadService... svc) {
                svc[0].checkUploads();
                return null;
            }

            @Override
            protected void onPostExecute(Void foo) {
                Log.v(LOG_TAG, "Release wakelock by worker");
                if (wl != null && wl.isHeld())
                    wl.release();
            }
        }.execute(this);
        needsRelease = false;
    } finally {
        if (needsRelease) {
            Log.v(LOG_TAG, "Release wakelock by default");
            if (wl != null && wl.isHeld())
                wl.release();
        }
    }

    // There's no need to worry about this.. we'll get re-kicked by the alarm.
    return START_NOT_STICKY;
}

---

From source file:com.deployd.Deployd.java

public static void signup(String username, String displayName, String password,
        final SignupEventHandler signedUp) {
    AsyncTask<JSONObject, JSONObject, JSONObject> query = new AsyncTask<JSONObject, JSONObject, JSONObject>() {

        @Override//from www  .jav a  2s  .c om
        protected JSONObject doInBackground(JSONObject... arg0) {
            // TODO Auto-generated method stub

            try {
                JSONObject result = Deployd.post(arg0[0], "/users/signup");
                return result;
            } catch (ClientProtocolException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (JSONException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }

            return null;
        }

        @Override
        protected void onPostExecute(JSONObject result) {
            // TODO Auto-generated method stub
            super.onPostExecute(result);
            if (result == null) {
                signedUp.failed();
                return;
            }
            DeploydObject jres = new DeploydObject(result);

            signedUp.signupComplete(jres);
        }

    };
    try {
        JSONObject pass = new JSONObject();
        pass.put("username", username);
        pass.put("password", password);
        pass.put("displayName", password);
        query.execute(pass);
    } catch (Exception e) {

    }
}

---

From source file:ca.rmen.android.networkmonitor.app.about.AboutActivity.java

@Override
public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    case android.R.id.home:
        NavUtils.navigateUpFromSameTask(this);
        return true;
    case R.id.action_send_logs:
        new AsyncTask<Void, Void, Boolean>() {

            @Override/*from w ww  .j ava 2 s.  c  om*/
            protected Boolean doInBackground(Void... params) {
                if (!Log.prepareLogFile()) {
                    return false;
                }
                // Bring up the chooser to share the file.
                Intent sendIntent = new Intent();
                sendIntent.setAction(Intent.ACTION_SEND);
                //sendIntent.setData(Uri.fromParts("mailto", getString(R.string.send_logs_to), null));
                sendIntent.putExtra(Intent.EXTRA_SUBJECT, getString(R.string.support_send_debug_logs_subject));
                String messageBody = getString(R.string.support_send_debug_logs_body);
                File f = new File(getExternalFilesDir(null), Log.FILE);
                sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + f.getAbsolutePath()));
                sendIntent.setType("message/rfc822");
                sendIntent.putExtra(Intent.EXTRA_TEXT, messageBody);
                sendIntent.putExtra(Intent.EXTRA_EMAIL,
                        new String[] { getString(R.string.support_send_debug_logs_to) });
                startActivity(Intent.createChooser(sendIntent, getResources().getText(R.string.action_share)));
                return true;
            }

            @Override
            protected void onPostExecute(Boolean result) {
                if (!result)
                    Toast.makeText(AboutActivity.this, R.string.support_error, Toast.LENGTH_LONG).show();
            }

        }.execute();
        return true;
    }
    return super.onOptionsItemSelected(item);
}

---

From source file:net.kayateia.lifestream.StreamService.java

@Override
public int onStartCommand(Intent intent, int flags, int startId) {
    Log.v(LOG_TAG, "Kicked");

    PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
    final PowerManager.WakeLock wl = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "");

    // See CaptureService for comments on this wake lock arrangement.
    boolean needsRelease = true;
    try {//from w  ww  .j  a  va  2 s.  co  m
        // If we don't release it within the timeout somehow, release it anyway.
        // This may interrupt a long backlog download or something, but this
        // is really about as long as we can reasonably expect to take.
        Log.v(LOG_TAG, "Acquire wakelock");
        if (wl != null)
            wl.acquire(WAKELOCK_TIMEOUT);

        if (!Network.IsActive(this)) {
            Log.i(LOG_TAG, "No network active, giving up");
            return START_NOT_STICKY;
        }

        // Do the check in a thread.
        new AsyncTask<StreamService, Void, Void>() {
            @Override
            protected Void doInBackground(StreamService... svc) {
                svc[0].checkNewImages();
                return null;
            }

            @Override
            protected void onPostExecute(Void foo) {
                Log.v(LOG_TAG, "Release wakelock by worker");
                if (wl != null && wl.isHeld())
                    wl.release();
            }
        }.execute(this);
        needsRelease = false;
    } finally {
        if (needsRelease) {
            Log.v(LOG_TAG, "Release wakelock by default");
            if (wl != null && wl.isHeld())
                wl.release();
        }
    }

    // There's no need to worry about this.. we'll get re-kicked by the alarm.
    return START_NOT_STICKY;
}

---

From source file:org.starfishrespect.myconsumption.android.ui.CreateAccountActivity.java

public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_create_account);

    editTextUsername = (EditText) findViewById(R.id.editTextUsername);
    editTextPassword = (EditText) findViewById(R.id.editTextPassword);
    editTextPassword2 = (EditText) findViewById(R.id.editTextPassword2);
    buttonCreateAccount = (Button) findViewById(R.id.buttonCreateAccount);
    buttonCreateAccount.setOnClickListener(new View.OnClickListener() {
        @Override/*from  w  ww.  jav a2s.  c  om*/
        public void onClick(View v) {
            if (!MiscFunctions.isOnline(CreateAccountActivity.this)) {
                MiscFunctions.makeOfflineDialog(CreateAccountActivity.this).show();
                return;
            }
            if (editTextUsername.getText().toString().equals("")
                    || editTextPassword.getText().toString().equals("")
                    || editTextPassword2.getText().toString().equals("")) {
                Toast.makeText(CreateAccountActivity.this,
                        getString(R.string.dialog_message_error_must_fill_all_fields), Toast.LENGTH_LONG)
                        .show();
                return;
            }

            if (!editTextPassword.getText().toString().equals(editTextPassword2.getText().toString())) {
                Toast.makeText(CreateAccountActivity.this, R.string.dialog_message_error_password_must_match,
                        Toast.LENGTH_LONG).show();
                return;
            }

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

                @Override
                protected Integer doInBackground(Void... params) {
                    return createAccount();
                }

                @Override
                protected void onPostExecute(Integer result) {
                    if (result == 0) {
                        setResult(RESULT_OK);
                        finish();
                    } else {
                        AlertDialog.Builder builder = new AlertDialog.Builder(CreateAccountActivity.this);
                        builder.setTitle(R.string.dialog_title_error);
                        builder.setPositiveButton(R.string.button_ok, new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialog, int which) {
                                dialog.dismiss();
                            }
                        });
                        switch (result) {
                        case SimpleResponseDTO.STATUS_ALREADY_EXISTS:
                            builder.setMessage(R.string.dialog_message_error_user_already_exists);
                            break;
                        default:
                            builder.setMessage("An error has occurred. You might want to "
                                    + "check your internet connection or contact the application provider.");
                            break;

                        }
                        builder.show();
                    }
                }
            }.execute();
        }
    });
}

---

From source file:at.bitfire.davdroid.mirakel.syncadapter.DavSyncAdapter.java

@Override
public void close() {
    Log.d(TAG, "Closing httpClient");

    // may be called from a GUI thread, so we need an AsyncTask
    new AsyncTask<Void, Void, Void>() {
        @Override/*from   w  w  w.jav a2 s. c  o  m*/
        protected Void doInBackground(Void... params) {
            try {
                httpClientLock.writeLock().lock();
                if (httpClient != null) {
                    httpClient.close();
                    httpClient = null;
                }
                httpClientLock.writeLock().unlock();
            } catch (IOException e) {
                Log.w(TAG, "Couldn't close HTTP client", e);
            }
            return null;
        }
    }.execute();
}

---

From source file:com.limewoodmedia.nsdroid.NationInfo.java

public void setName(final String name) {
    if (this.name != name) {
        this.name = name;
        if (name != null) {
            saveString("nation_name", name);
        }//from w w w. j a v  a2 s.c o  m
        new AsyncTask<String, Void, Void>() {
            @Override
            protected Void doInBackground(String... params) {
                // Log out
                API.getInstance(context).logout();
                if (name != null) {
                    // Add to database
                    if (params[0] != null) {
                        NationsDatabase.getInstance(context).addNation(params[0]);
                    }
                }
                return null;
            }
        }.execute(name);
    }
}

---

From source file:net.gromgull.android.bibsonomyposter.BibsonomyPosterActivity.java

/** Called with the activity is first created. */
@Override/*from   w w w  .  j  a v  a2  s  .  c om*/
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    load();

    Intent intent = getIntent();
    String action = intent.getAction();
    if (action.equalsIgnoreCase(Intent.ACTION_SEND)) {
        final String uri = intent.getStringExtra(Intent.EXTRA_TEXT);
        final String title = intent.getStringExtra(Intent.EXTRA_SUBJECT);

        final Context context = getApplicationContext();

        new AsyncTask<Void, Integer, Boolean>() {

            @Override
            protected Boolean doInBackground(Void... v) {
                try {
                    bookmark(uri, title);
                    return true;
                } catch (Exception e) {
                    Log.w(LOGTAG, "Could not bookmark: " + title + " / " + uri, e);
                    return false;
                }
            }

            protected void onPostExecute(Boolean result) {
                if (result) {
                    Toast toast = Toast.makeText(context, "Bookmarked " + title, Toast.LENGTH_SHORT);
                    toast.show();
                } else {
                    Toast toast = Toast.makeText(context, "Error bookmarking " + title, Toast.LENGTH_SHORT);
                    toast.show();
                }
            }

        }.execute();

        finish();
        return;
    }

    // Inflate our UI from its XML layout description.
    setContentView(R.layout.bibsonomyposter_activity);

    if (username != null)
        ((EditText) findViewById(R.id.username)).setText(username);
    if (apikey != null)
        ((EditText) findViewById(R.id.apikey)).setText(apikey);

    // Hook up button presses to the appropriate event handler.
    ((Button) findViewById(R.id.save)).setOnClickListener(mSaveListener);

}

---

From source file:nl.timmevandermeer.carglass.LocationActivity.java

/**
 * Load the map asynchronously and populate the ImageView when it's loaded.
 *//*www. j a va 2  s  .  com*/
private void loadMap(double latitude, double longitude, int zoom) {
    String url = makeStaticMapsUrl(52.001783, 4.368871, 10);
    new AsyncTask<String, Void, Bitmap>() {
        @Override
        protected Bitmap doInBackground(String... urls) {
            try {
                HttpResponse response = new DefaultHttpClient().execute(new HttpGet(urls[0]));
                InputStream is = response.getEntity().getContent();
                return BitmapFactory.decodeStream(is);
            } catch (Exception e) {
                Log.e(TAG, "Failed to load image", e);
                return null;
            }
        }

        @Override
        protected void onPostExecute(Bitmap bitmap) {
            if (bitmap != null) {
                mMapView.setImageBitmap(bitmap);
            }
        }
    }.execute(url);
}

---

From source file:com.wso2.mobile.mdm.services.WSO2DeviceAdminReceiver.java

public void startUnRegistration(Context app_context) {
    final Context context = app_context;
    mRegisterTask = new AsyncTask<Void, Void, Void>() {

        @Override// ww  w. j  a v  a  2 s  .co m
        protected Void doInBackground(Void... params) {
            Map<String, String> paramss = new HashMap<String, String>();
            paramss.put("regid", regId);
            //ServerUtilities.sendToServer(context, "/UNRegister", paramss);
            unregState = ServerUtilities.unregister(regId, context);
            return null;
        }

        //ProgressDialog progressDialog;
        //declare other objects as per your need
        @Override
        protected void onPreExecute() {
            //progressDialog= ProgressDialog.show(context, "Unregistering Device","Please wait", true);

            //do initialization of required objects objects here                
        };

        @Override
        protected void onPostExecute(Void result) {
            try {
                SharedPreferences mainPref = context.getSharedPreferences(
                        context.getResources().getString(R.string.shared_pref_package), Context.MODE_PRIVATE);
                Editor editor = mainPref.edit();
                editor.putString(context.getResources().getString(R.string.shared_pref_policy), "");
                editor.putString(context.getResources().getString(R.string.shared_pref_isagreed), "0");
                editor.putString(context.getResources().getString(R.string.shared_pref_regId), "");
                editor.putString(context.getResources().getString(R.string.shared_pref_registered), "0");
                editor.putString(context.getResources().getString(R.string.shared_pref_ip), "");
                editor.putString(context.getResources().getString(R.string.shared_pref_sender_id), "");
                editor.putString(context.getResources().getString(R.string.shared_pref_eula), "");

                editor.commit();
            } catch (Exception e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            mRegisterTask = null;
            //progressDialog.dismiss();
        }

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

}

---

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