Example usage for android.os Handler post

List of usage examples for android.os Handler post

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Introduction

In this page you can find the example usage for android.os Handler post.

Prototype

public final boolean post(Runnable r)

Source Link

Document

Causes the Runnable r to be added to the message queue.

Usage

From source file:com.syncedsynapse.kore2.jsonrpc.HostConnection.java

private <T> void handleTcpResponse(ObjectNode jsonResponse) {

    if (!jsonResponse.has(ApiMethod.ID_NODE)) {
        // It's a notification, notify observers
        String notificationName = jsonResponse.get(ApiNotification.METHOD_NODE).asText();
        ObjectNode params = (ObjectNode) jsonResponse.get(ApiNotification.PARAMS_NODE);

        if (notificationName.equals(Player.OnPause.NOTIFICATION_NAME)) {
            final Player.OnPause apiNotification = new Player.OnPause(params);
            for (final PlayerNotificationsObserver observer : playerNotificationsObservers.keySet()) {
                Handler handler = playerNotificationsObservers.get(observer);
                handler.post(new Runnable() {
                    @Override/*from   w w  w .jav  a  2s  .  c  o  m*/
                    public void run() {
                        observer.onPause(apiNotification);
                    }
                });
            }
        } else if (notificationName.equals(Player.OnPlay.NOTIFICATION_NAME)) {
            final Player.OnPlay apiNotification = new Player.OnPlay(params);
            for (final PlayerNotificationsObserver observer : playerNotificationsObservers.keySet()) {
                Handler handler = playerNotificationsObservers.get(observer);
                handler.post(new Runnable() {
                    @Override
                    public void run() {
                        observer.onPlay(apiNotification);
                    }
                });
            }
        } else if (notificationName.equals(Player.OnSeek.NOTIFICATION_NAME)) {
            final Player.OnSeek apiNotification = new Player.OnSeek(params);
            for (final PlayerNotificationsObserver observer : playerNotificationsObservers.keySet()) {
                Handler handler = playerNotificationsObservers.get(observer);
                handler.post(new Runnable() {
                    @Override
                    public void run() {
                        observer.onSeek(apiNotification);
                    }
                });
            }
        } else if (notificationName.equals(Player.OnSpeedChanged.NOTIFICATION_NAME)) {
            final Player.OnSpeedChanged apiNotification = new Player.OnSpeedChanged(params);
            for (final PlayerNotificationsObserver observer : playerNotificationsObservers.keySet()) {
                Handler handler = playerNotificationsObservers.get(observer);
                handler.post(new Runnable() {
                    @Override
                    public void run() {
                        observer.onSpeedChanged(apiNotification);
                    }
                });
            }
        } else if (notificationName.equals(Player.OnStop.NOTIFICATION_NAME)) {
            final Player.OnStop apiNotification = new Player.OnStop(params);
            for (final PlayerNotificationsObserver observer : playerNotificationsObservers.keySet()) {
                Handler handler = playerNotificationsObservers.get(observer);
                handler.post(new Runnable() {
                    @Override
                    public void run() {
                        observer.onStop(apiNotification);
                    }
                });
            }
        } else if (notificationName.equals(System.OnQuit.NOTIFICATION_NAME)) {
            final System.OnQuit apiNotification = new System.OnQuit(params);
            for (final SystemNotificationsObserver observer : systemNotificationsObservers.keySet()) {
                Handler handler = systemNotificationsObservers.get(observer);
                handler.post(new Runnable() {
                    @Override
                    public void run() {
                        observer.onQuit(apiNotification);
                    }
                });
            }
        } else if (notificationName.equals(System.OnRestart.NOTIFICATION_NAME)) {
            final System.OnRestart apiNotification = new System.OnRestart(params);
            for (final SystemNotificationsObserver observer : systemNotificationsObservers.keySet()) {
                Handler handler = systemNotificationsObservers.get(observer);
                handler.post(new Runnable() {
                    @Override
                    public void run() {
                        observer.onRestart(apiNotification);
                    }
                });
            }
        } else if (notificationName.equals(System.OnSleep.NOTIFICATION_NAME)) {
            final System.OnSleep apiNotification = new System.OnSleep(params);
            for (final SystemNotificationsObserver observer : systemNotificationsObservers.keySet()) {
                Handler handler = systemNotificationsObservers.get(observer);
                handler.post(new Runnable() {
                    @Override
                    public void run() {
                        observer.onSleep(apiNotification);
                    }
                });
            }
        } else if (notificationName.equals(Input.OnInputRequested.NOTIFICATION_NAME)) {
            final Input.OnInputRequested apiNotification = new Input.OnInputRequested(params);
            for (final InputNotificationsObserver observer : inputNotificationsObservers.keySet()) {
                Handler handler = inputNotificationsObservers.get(observer);
                handler.post(new Runnable() {
                    @Override
                    public void run() {
                        observer.onInputRequested(apiNotification);
                    }
                });
            }
        }

        LogUtils.LOGD(TAG, "Got a notification: " + jsonResponse.get("method").textValue());
    } else {
        String methodId = jsonResponse.get(ApiMethod.ID_NODE).asText();

        if (jsonResponse.has(ApiMethod.ERROR_NODE)) {
            // Error response
            callErrorCallback(methodId, new ApiException(ApiException.API_ERROR, jsonResponse));
        } else {
            // Sucess response
            final MethodCallInfo<?> methodCallInfo = clientCallbacks.get(methodId);
            //            LogUtils.LOGD(TAG, "Sending response to method: " + methodCallInfo.method.getMethodName());

            if (methodCallInfo != null) {
                try {
                    final T result = (T) methodCallInfo.method.resultFromJson(jsonResponse);
                    final ApiCallback<T> callback = (ApiCallback<T>) methodCallInfo.callback;

                    if ((methodCallInfo.handler != null) && (callback != null)) {
                        methodCallInfo.handler.post(new Runnable() {
                            @Override
                            public void run() {
                                callback.onSucess(result);
                            }
                        });
                    }

                    // We've replied, remove the client from the list
                    synchronized (clientCallbacks) {
                        clientCallbacks.remove(methodId);
                    }
                } catch (ApiException e) {
                    callErrorCallback(methodId, e);
                }
            }
        }
    }
}

From source file:com.sentaroh.android.TaskAutomation.Config.ProfileMaintenanceTimeProfile.java

public void reInitViewWidget() {
    if (DEBUG_ENABLE)
        Log.v(APPLICATION_TAG, "reInitViewWidget");
    if (!mTerminateRequired) {
        Handler hndl = new Handler();
        hndl.post(new Runnable() {
            @Override/*from   w ww . j  a v a2 s. co  m*/
            public void run() {
                SavedViewContents sv = null;
                if (!mOpType.equals("BROWSE"))
                    sv = saveViewContents();
                initViewWidget();
                if (!mOpType.equals("BROWSE"))
                    restoreViewContents(sv);
                CommonDialog.setDlgBoxSizeLimit(mDialog, true);
            }
        });
    }
}

From source file:de.j4velin.mapsmeasure.Map.java

/**
 * Get the formatted string for the valueTextView.
 * <p/>//w w  w .  j a v  a2 s .  c o m
 * Depending on whether 'showArea' is set, the returned string shows the
 * distance of the trace or the area between them. If 'showArea' is set,
 * this call might be expensive as the area is computed here and not cached.
 *
 * @return the formatted text for the valueTextView
 */
private String getFormattedString() {
    if (type == MeasureType.DISTANCE) {
        if (metric) {
            if (distance > 1000)
                return formatter_two_dec.format(distance / 1000) + " km";
            else
                return formatter_two_dec.format(Math.max(0, distance)) + " m";
        } else {
            if (distance > 1609)
                return formatter_two_dec.format(distance / 1609.344f) + " mi";
            else
                return formatter_two_dec.format(Math.max(0, distance / 0.3048f)) + " ft";
        }
    } else if (type == MeasureType.AREA) {
        double area;
        if (areaOverlay != null)
            areaOverlay.remove();
        if (trace.size() >= 3) {
            area = SphericalUtil.computeArea(trace);
            areaOverlay = mMap
                    .addPolygon(new PolygonOptions().addAll(trace).strokeWidth(0).fillColor(COLOR_POINT));
        } else {
            area = 0;
        }
        if (metric) {
            if (area > 1000000)
                return formatter_two_dec.format(Math.max(0, area / 1000000d)) + " km";
            else
                return formatter_no_dec.format(Math.max(0, area)) + " m";
        } else {
            if (area >= 2589989)
                return formatter_two_dec.format(Math.max(0, area / 2589988.110336d)) + " mi";
            else
                return formatter_no_dec.format(Math.max(0, area / 0.09290304d)) + " ft";
        }
    } else if (type == MeasureType.ELEVATION) {
        if (altitude == null) {
            final Handler h = new Handler();
            new Thread(new Runnable() {
                @Override
                public void run() {
                    altitude = Util.getElevation(trace);
                    h.post(new Runnable() {
                        @Override
                        public void run() {
                            if (isFinishing())
                                return;
                            if (altitude == null) {
                                Dialogs.getElevationErrorDialog(Map.this).show();
                                changeType(MeasureType.DISTANCE);
                            } else {
                                updateValueText();
                            }
                        }
                    });
                }
            }).start();
            return "Loading...";
        } else {
            String re = metric
                    ? formatter_two_dec.format(altitude.first) + " m\u2B06, "
                            + formatter_two_dec.format(-1 * altitude.second) + " m\u2B07"
                    : formatter_two_dec.format(altitude.first / 0.3048f) + " ft\u2B06"
                            + formatter_two_dec.format(-1 * altitude.second / 0.3048f) + " ft\u2B07";
            if (!trace.isEmpty()) {
                try {
                    float lastPoint = Util.getAltitude(trace.peek(), null, null);
                    if (lastPoint > -Float.MAX_VALUE) {
                        re += "\n" + (metric ? formatter_two_dec.format(lastPoint) + " m"
                                : formatter_two_dec.format(lastPoint / 0.3048f) + " ft");
                    }
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
            altitude = null;
            return re;
        }
    } else {
        return "not yet supported";
    }
}

From source file:com.nuvolect.securesuite.data.SqlSyncTest.java

public JSONObject pong_test(final Context ctx) {

    managePayloadSize();/*from   www  . ja  va  2  s  .  co  m*/

    /**
     * Build the payload and generate MD5
     */
    Map<String, String> parameters = makeParameters();
    parameters.put(CConst.CMD, SyncRest.CMD.pong_test.toString());
    parameters.put(CConst.COUNTER, String.valueOf(++pong_counter));

    String url = WebUtil.getCompanionServerUrl(CConst.SYNC);
    startTime = System.currentTimeMillis();

    Comm.sendPost(ctx, url, parameters, new Comm.CommPostCallbacks() {
        @Override
        public void success(String response) {

            LogUtil.log(LogUtil.LogType.SQL_SYNC_TEST, SyncRest.CMD.pong_test + " response: " + response);

            if (WebUtil.responseMatch(response, CConst.RESPONSE_CODE_SUCCESS_100)) {

                if (m_pingPongCallbacks != null) {

                    Handler handler = new Handler(Looper.getMainLooper());
                    Runnable r = new Runnable() {
                        @Override
                        public void run() {

                            m_pingPongCallbacks.progressUpdate(m_pingPongCallbacksAct, ping_counter,
                                    pong_counter, payloadSize);

                            if (!m_continueTest)
                                m_pingPongCallbacks.cancelDialog(m_pingPongCallbacksAct);
                        }
                    };
                    handler.post(r);
                }
                if (m_continueTest)
                    WorkerCommand.quePingTest(ctx);
            }
        }

        @Override
        public void fail(String error) {
            LogUtil.log(LogUtil.LogType.SQL_SYNC_TEST, SyncRest.CMD.pong_test + " error: " + error);
        }
    });
    if (m_continueTest)
        return WebUtil.response(CConst.RESPONSE_CODE_SUCCESS_100);
    else
        return WebUtil.response(CConst.RESPONSE_CODE_USER_CANCEL_102);
}

From source file:github.madmarty.madsonic.util.Util.java

private static void updateCustomNotification(Context context, final DownloadServiceImpl downloadService,
        Handler handler, MusicDirectory.Entry song, boolean playing) {

    if (song == null) {
        hidePlayingNotification(context, downloadService, handler);

        //        } else if (!isNotificationHiddenByUser(context)) {
        final Notification notification = createCustomNotification(context, song, playing);

        // Send the notification and put the service in the foreground.
        handler.post(new Runnable() {
            @Override/*from  w w  w  . j  a  v a  2  s.  c o m*/
            public void run() {
                downloadService.startForeground(Constants.NOTIFICATION_ID_PLAYING, notification);
            }
        });
    }
}

From source file:com.nuvolect.securesuite.data.SqlSyncTest.java

/**
 * Test the network performance between this device and a companion device.
 * CONCEPT:// w w  w. j  a  v a 2 s  .  co m
 * A package is constructed of minimal size and sent to the companion device.
 * The companion tests the package for integrity and if successful, creates a larger package and sends it back.
 * The process is continued until communications fail.
 *
 * TODO complete ping pong test.  Show running data rate, success and failure.
 *
 * @param ctx
 * @return
 */
public JSONObject ping_test(final Context ctx) {

    managePayloadSize();

    /**
     * Build the payload and generate MD5
     */
    Map<String, String> params = makeParameters();
    params.put(CConst.CMD, SyncRest.CMD.ping_test.toString());
    params.put(CConst.COUNTER, String.valueOf(++ping_counter));

    String url = WebUtil.getCompanionServerUrl(CConst.SYNC);
    startTime = System.currentTimeMillis();

    Comm.sendPost(ctx, url, params, new Comm.CommPostCallbacks() {
        @Override
        public void success(String response) {

            LogUtil.log(LogUtil.LogType.SQL_SYNC_TEST, SyncRest.CMD.ping_test + " response: " + response);

            if (WebUtil.responseMatch(response, CConst.RESPONSE_CODE_SUCCESS_100)) {

                if (m_pingPongCallbacks != null) {

                    Handler handler = new Handler(Looper.getMainLooper());
                    Runnable r = new Runnable() {
                        @Override
                        public void run() {

                            m_pingPongCallbacks.progressUpdate(m_pingPongCallbacksAct, ping_counter,
                                    pong_counter, payloadSize);

                            if (!m_continueTest)
                                m_pingPongCallbacks.cancelDialog(m_pingPongCallbacksAct);
                        }
                    };
                    handler.post(r);
                }
                /**
                 * To alternate volleys, pong is kicked off by the response sender
                 * versus the machine receiving the response
                 *
                 * if( m_continueTest) WorkerCommand.quePongTest(ctx);
                 */
            }
        }

        @Override
        public void fail(String error) {

            LogUtil.log(LogUtil.LogType.SQL_SYNC_TEST, SyncRest.CMD.ping_test + " error: " + error);
        }
    });
    if (m_continueTest)
        return WebUtil.response(CConst.RESPONSE_CODE_SUCCESS_100);
    else
        return WebUtil.response(CConst.RESPONSE_CODE_USER_CANCEL_102);
}

From source file:com.geniatech.client_phone.wifi.WifiStatusTest.java

private final void updatePingState() {
    final Handler handler = new Handler();
    mPingIpAddr.setText(mPingIpAddrResult);
    mPingHostname.setText(mPingHostnameResult);
    mHttpClientTest.setText(mHttpClientTestResult);

    final Runnable updatePingResults = new Runnable() {
        public void run() {
            mPingIpAddr.setText(mPingIpAddrResult);
            mPingHostname.setText(mPingHostnameResult);
            mHttpClientTest.setText(mHttpClientTestResult);
        }/* w  w  w.j a  va2  s . co  m*/
    };
    Thread ipAddrThread = new Thread() {
        @Override
        public void run() {
            pingIpAddr();
            handler.post(updatePingResults);
        }
    };
    ipAddrThread.start();

    Thread hostnameThread = new Thread() {
        @Override
        public void run() {
            pingHostname();
            handler.post(updatePingResults);
        }
    };
    hostnameThread.start();

    Thread httpClientThread = new Thread() {
        @Override
        public void run() {
            httpClientTest();
            handler.post(updatePingResults);
        }
    };
    httpClientThread.start();
}

From source file:com.sveder.cardboardpassthrough.MainActivity.java

private void callMessageTask() {
    final Handler handler = new Handler();
    Timer timer = new Timer();
    TimerTask doAsynchronousTask = new TimerTask() {
        @Override/*from   w w  w .  ja  va2  s .co  m*/
        public void run() {
            handler.post(new Runnable() {
                public void run() {
                    try {
                        MessageTask getMessageTask = new MessageTask(MainActivity.this);
                        getMessageTask.setMessageLoading(null);
                        getMessageTask.execute(TASKS_URL);
                    } catch (Exception e) {
                        // TODO Auto-generated catch block
                    }
                }
            });
        }
    };
    timer.schedule(doAsynchronousTask, 0, 5000); //execute in every 50000 ms

}

From source file:com.twitter4rk.TwitterAuthFragment.java

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    mTwitterWebView = new WebView(getActivity());
    final Bundle args = getArguments();
    if (args == null) {
        // This wont be case because startTwitterAuth() handles args for
        // fragment
        throw new IllegalArgumentException(
                "No arguments passed to fragment, Please use startTwitterAuth(...) method for showing this fragment");
    }/*from  ww w. j a v  a  2  s .  c  o  m*/
    // Get builder from args
    mBuilder = args.getParcelable(BUILDER_KEY);
    // Hide action bar
    if (mBuilder.hideActionBar)
        mBuilder.activity.getActionBar().hide();
    // Init progress dialog
    mProgressDialog = new ProgressDialog(mBuilder.activity);
    mProgressDialog.setMessage(mBuilder.progressText == null ? "Loading ..." : mBuilder.progressText);
    if (mBuilder.isProgressEnabled)
        mProgressDialog.show();

    // Init ConfigurationBuilder twitter4j
    final ConfigurationBuilder cb = new ConfigurationBuilder();
    if (mBuilder.isDebugEnabled)
        cb.setDebugEnabled(true);
    cb.setOAuthConsumerKey(mBuilder.consumerKey);
    cb.setOAuthConsumerSecret(mBuilder.consumerSecret);

    // Web view client to handler url loading
    mTwitterWebView.setWebViewClient(new WebViewClient() {
        @Override
        public boolean shouldOverrideUrlLoading(WebView view, String url) {
            // Get url first
            final Uri uri = Uri.parse(url);
            // Check if we need to see for callback URL
            if (mBuilder.callbackUrl != null && url.contains(mBuilder.callbackUrl)) {
                // Get req info
                String oauthToken = uri.getQueryParameter("oauth_token");
                String oauthVerifier = uri.getQueryParameter("oauth_verifier");
                if (mListener != null)
                    mListener.onSuccess(oauthToken, oauthVerifier);
                if (mBuilder.isActionBarVisible && mBuilder.hideActionBar && getActivity() != null)
                    getActivity().getActionBar().show();
                mIsAuthenticated = true;
                removeMe();
                return true;
                // If no callback URL then check for info directly
            } else if (uri.getQueryParameter("oauth_token") != null
                    && uri.getQueryParameter("oauth_verifier") != null) {
                // Get req info
                String oauthToken = uri.getQueryParameter("oauth_token");
                String oauthVerifier = uri.getQueryParameter("oauth_verifier");
                if (mListener != null)
                    mListener.onSuccess(oauthToken, oauthVerifier);
                if (mBuilder.isActionBarVisible && mBuilder.hideActionBar && getActivity() != null)
                    getActivity().getActionBar().show();
                mIsAuthenticated = true;
                removeMe();
                return true;
                // If nothing then its failure
            } else {
                // Notify user
                if (mListener != null)
                    mListener.onFailure(
                            new Exception("Couldn't find the callback URL or oath parameters in response"));
                if (mBuilder.isActionBarVisible && mBuilder.hideActionBar && getActivity() != null)
                    getActivity().getActionBar().show();
                removeMe();
                return false;
            }
        }
    });
    // Web Crome client to handler progress dialog visibility
    mTwitterWebView.setWebChromeClient(new WebChromeClient() {
        @Override
        public void onProgressChanged(WebView view, int newProgress) {
            if (newProgress == 100) {
                if (mProgressDialog.isShowing())
                    mProgressDialog.dismiss();
            }
        }
    });
    final Handler handler = new Handler();
    new Thread(new Runnable() {

        @Override
        public void run() {
            try {
                final TwitterFactory twitterFactory = new TwitterFactory(cb.build());
                final Twitter twitter = twitterFactory.getInstance();
                RequestToken requestToken = null;
                if (mBuilder.callbackUrl == null)
                    requestToken = twitter.getOAuthRequestToken();
                else
                    requestToken = twitter.getOAuthRequestToken(mBuilder.callbackUrl);
                final RequestToken finalRequestToken = requestToken;
                handler.post(new Runnable() {

                    @Override
                    public void run() {
                        final String url = finalRequestToken.getAuthorizationURL();
                        mTwitterWebView.loadUrl(url);
                    }
                });
            } catch (TwitterException e) {
                e.printStackTrace();
            }
        }
    }).start();

    return mTwitterWebView;
}

From source file:com.androzic.location.LocationService.java

private void updateLocation() {
    final Location location = lastKnownLocation;
    final boolean continous = isContinous;
    final boolean geoid = !Float.isNaN(nmeaGeoidHeight);
    final float smoothspeed = smoothSpeed;
    final float avgspeed = avgSpeed;

    final Handler handler = new Handler();

    if (trackingEnabled) {
        handler.post(new Runnable() {
            @Override/*from w w  w  .j av  a  2s  .c o  m*/
            public void run() {
                writeTrack(location, continous, geoid, smoothspeed, avgspeed);
            }
        });
    }
    for (final ILocationListener callback : locationCallbacks) {
        handler.post(new Runnable() {
            @Override
            public void run() {
                callback.onLocationChanged(location, continous, geoid, smoothspeed, avgspeed);
            }
        });
    }
    final int n = locationRemoteCallbacks.beginBroadcast();
    for (int i = 0; i < n; i++) {
        final ILocationCallback callback = locationRemoteCallbacks.getBroadcastItem(i);
        try {
            callback.onLocationChanged(location, continous, geoid, smoothspeed, avgspeed);
        } catch (RemoteException e) {
            Log.e(TAG, "Location broadcast error", e);
        }
    }
    locationRemoteCallbacks.finishBroadcast();
    Log.d(TAG, "Location dispatched: " + (locationCallbacks.size() + n));
}