Java tutorial
/******************************************************************************* * This file is part of GPSLogger for Android. * <p/> * GPSLogger for Android is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 2 of the License, or * (at your option) any later version. * <p/> * GPSLogger for Android is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * <p/> * You should have received a copy of the GNU General Public License * along with GPSLogger for Android. If not, see <http://www.gnu.org/licenses/>. ******************************************************************************/ package com.crearo.gpslogger.ui.fragments.display; import android.location.Location; import android.location.LocationManager; import android.os.Bundle; import android.support.v4.content.ContextCompat; import android.text.Html; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.TextView; import com.dd.processbutton.iml.ActionProcessButton; import com.google.android.gms.location.DetectedActivity; import com.crearo.gpslogger.R; import com.crearo.gpslogger.common.EventBusHook; import com.crearo.gpslogger.common.PreferenceHelper; import com.crearo.gpslogger.common.Session; import com.crearo.gpslogger.common.Strings; import com.crearo.gpslogger.common.events.ServiceEvents; import com.crearo.gpslogger.common.slf4j.Logs; import com.crearo.gpslogger.loggers.FileLogger; import com.crearo.gpslogger.loggers.FileLoggerFactory; import com.crearo.gpslogger.loggers.Files; import com.crearo.gpslogger.senders.FileSenderFactory; import org.slf4j.Logger; import java.text.DateFormat; import java.text.NumberFormat; import java.text.SimpleDateFormat; import java.util.Date; import java.util.List; import java.util.ListIterator; public class GpsDetailedViewFragment extends GenericViewFragment { private View rootView; private ActionProcessButton actionButton; private static final Logger LOG = Logs.of(GpsDetailedViewFragment.class); private PreferenceHelper preferenceHelper = PreferenceHelper.getInstance(); public static GpsDetailedViewFragment newInstance() { GpsDetailedViewFragment fragment = new GpsDetailedViewFragment(); Bundle bundle = new Bundle(1); bundle.putInt("a_number", 1); fragment.setArguments(bundle); return fragment; } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { rootView = inflater.inflate(R.layout.fragment_detailed_view, container, false); actionButton = (ActionProcessButton) rootView.findViewById(R.id.btnActionProcess); actionButton.setBackgroundColor(ContextCompat.getColor(getActivity(), R.color.accentColor)); actionButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { requestToggleLogging(); } }); if (Session.hasValidLocation()) { displayLocationInfo(Session.getCurrentLocationInfo()); } showPreferencesAndMessages(); return rootView; } private void setActionButtonStart() { actionButton.setText(R.string.btn_start_logging); actionButton.setBackgroundColor(ContextCompat.getColor(getActivity(), R.color.accentColor)); actionButton.setAlpha(0.8f); } private void setActionButtonStop() { actionButton.setText(R.string.btn_stop_logging); actionButton.setBackgroundColor(ContextCompat.getColor(getActivity(), R.color.accentColorComplementary)); actionButton.setAlpha(0.8f); } @Override public void onStart() { setActionButtonStop(); super.onStart(); } @Override public void onResume() { if (Session.isStarted()) { setActionButtonStop(); } else { setActionButtonStart(); } showPreferencesAndMessages(); super.onResume(); } /** * Displays a human readable summary of the preferences chosen by the user * on the main form */ private void showPreferencesAndMessages() { try { TextView txtLoggingTo = (TextView) rootView.findViewById(R.id.detailedview_loggingto_text); TextView txtFrequency = (TextView) rootView.findViewById(R.id.detailedview_frequency_text); TextView txtDistance = (TextView) rootView.findViewById(R.id.detailedview_distance_text); TextView txtAutoEmail = (TextView) rootView.findViewById(R.id.detailedview_autosend_text); List<FileLogger> loggers = FileLoggerFactory.getFileLoggers(getActivity().getApplicationContext()); if (loggers.size() > 0) { ListIterator<FileLogger> li = loggers.listIterator(); String logTo = li.next().getName(); while (li.hasNext()) { logTo += ", " + li.next().getName(); } if (preferenceHelper.shouldLogToNmea()) { logTo += ", NMEA"; } txtLoggingTo.setText(logTo); } else { txtLoggingTo.setText(R.string.summary_loggingto_screen); } if (preferenceHelper.getMinimumLoggingInterval() > 0) { String descriptiveTime = Strings.getDescriptiveDurationString( preferenceHelper.getMinimumLoggingInterval(), getActivity().getApplicationContext()); txtFrequency.setText(descriptiveTime); } else { txtFrequency.setText(R.string.summary_freq_max); } if (preferenceHelper.getMinimumDistanceInterval() > 0) { txtDistance.setText( Strings.getDistanceDisplay(getActivity(), preferenceHelper.getMinimumDistanceInterval(), preferenceHelper.shouldDisplayImperialUnits())); } else { txtDistance.setText(R.string.summary_dist_regardless); } if (preferenceHelper.isAutoSendEnabled() && preferenceHelper.getAutoSendInterval() > 0) { String autoEmailDisplay = String.format(getString(R.string.autosend_frequency_display), preferenceHelper.getAutoSendInterval()); txtAutoEmail.setText(autoEmailDisplay); } showCurrentFileName(Session.getCurrentFileName(getActivity())); TextView txtTargets = (TextView) rootView.findViewById(R.id.detailedview_autosendtargets_text); if (preferenceHelper.isAutoSendEnabled()) { StringBuilder sb = new StringBuilder(); if (FileSenderFactory.getEmailSender().isAutoSendAvailable()) { sb.append(getString(R.string.autoemail_title)).append("\n"); } if (FileSenderFactory.getFtpSender().isAutoSendAvailable()) { sb.append(getString(R.string.autoftp_setup_title)).append("\n"); } if (FileSenderFactory.getGoogleDriveSender().isAutoSendAvailable()) { sb.append(getString(R.string.gdocs_setup_title)).append("\n"); } if (FileSenderFactory.getOsmSender().isAutoSendAvailable()) { sb.append(getString(R.string.osm_setup_title)).append("\n"); } if (FileSenderFactory.getDropBoxSender().isAutoSendAvailable()) { sb.append(getString(R.string.dropbox_setup_title)).append("\n"); } if (FileSenderFactory.getOpenGTSSender().isAutoSendAvailable()) { sb.append(getString(R.string.opengts_setup_title)).append("\n"); } if (FileSenderFactory.getOwnCloudSender().isAutoSendAvailable()) { sb.append(getString(R.string.owncloud_setup_title)).append("\n"); } txtTargets.setText(sb.toString()); } else { txtTargets.setText(""); } } catch (Exception ex) { LOG.error("showPreferencesAndMessages " + ex.getMessage(), ex); } } public void showCurrentFileName(String newFileName) { if (newFileName == null || newFileName.length() <= 0) { return; } TextView txtFilename = (TextView) rootView.findViewById(R.id.detailedview_file_text); txtFilename.setText( Session.getCurrentFileName(getActivity()) + "\n (" + preferenceHelper.getGpsLoggerFolder() + ")"); Files.setFileExplorerLink(txtFilename, Html.fromHtml(Session.getCurrentFileName(getActivity()) + "<br /> (" + "<font color='blue'><u>" + preferenceHelper.getGpsLoggerFolder() + "</u></font>" + ")"), preferenceHelper.getGpsLoggerFolder(), getActivity().getApplicationContext()); } public void setSatelliteCount(int count) { TextView txtSatellites = (TextView) rootView.findViewById(R.id.detailedview_satellites_text); txtSatellites.setText(String.valueOf(count)); } private void clearDisplay() { TextView tvLatitude = (TextView) rootView.findViewById(R.id.detailedview_lat_text); TextView tvLongitude = (TextView) rootView.findViewById(R.id.detailedview_lon_text); TextView tvDateTime = (TextView) rootView.findViewById(R.id.detailedview_datetime_text); TextView tvAltitude = (TextView) rootView.findViewById(R.id.detailedview_altitude_text); TextView txtSpeed = (TextView) rootView.findViewById(R.id.detailedview_speed_text); TextView txtSatellites = (TextView) rootView.findViewById(R.id.detailedview_satellites_text); TextView txtDirection = (TextView) rootView.findViewById(R.id.detailedview_direction_text); TextView txtAccuracy = (TextView) rootView.findViewById(R.id.detailedview_accuracy_text); TextView txtTravelled = (TextView) rootView.findViewById(R.id.detailedview_travelled_text); TextView txtTime = (TextView) rootView.findViewById(R.id.detailedview_duration_text); TextView txtStill = (TextView) rootView.findViewById(R.id.detailedview_activity_text); tvLatitude.setText(""); tvLongitude.setText(""); tvDateTime.setText(""); tvAltitude.setText(""); txtSpeed.setText(""); txtSatellites.setText(""); txtAccuracy.setText(""); txtDirection.setText(""); txtTravelled.setText(""); txtTime.setText(""); txtStill.setText(""); } @EventBusHook public void onEventMainThread(ServiceEvents.LocationUpdate locationEvent) { displayLocationInfo(locationEvent.location); } @EventBusHook public void onEventMainThread(ServiceEvents.SatellitesVisible satellitesVisible) { setSatelliteCount(satellitesVisible.satelliteCount); } @EventBusHook public void onEventMainThread(ServiceEvents.LoggingStatus loggingStatus) { if (loggingStatus.loggingStarted) { setActionButtonStop(); showPreferencesAndMessages(); clearDisplay(); } else { setActionButtonStart(); } } @EventBusHook public void onEventMainThread(ServiceEvents.FileNamed fileNamed) { showCurrentFileName(fileNamed.newFileName); } public void displayLocationInfo(Location locationInfo) { if (locationInfo == null) { return; } showPreferencesAndMessages(); TextView tvLatitude = (TextView) rootView.findViewById(R.id.detailedview_lat_text); TextView tvLongitude = (TextView) rootView.findViewById(R.id.detailedview_lon_text); TextView tvDateTime = (TextView) rootView.findViewById(R.id.detailedview_datetime_text); TextView tvAltitude = (TextView) rootView.findViewById(R.id.detailedview_altitude_text); TextView txtSpeed = (TextView) rootView.findViewById(R.id.detailedview_speed_text); TextView txtSatellites = (TextView) rootView.findViewById(R.id.detailedview_satellites_text); TextView txtDirection = (TextView) rootView.findViewById(R.id.detailedview_direction_text); TextView txtAccuracy = (TextView) rootView.findViewById(R.id.detailedview_accuracy_text); TextView txtTravelled = (TextView) rootView.findViewById(R.id.detailedview_travelled_text); TextView txtTime = (TextView) rootView.findViewById(R.id.detailedview_duration_text); String providerName = locationInfo.getProvider(); if (providerName.equalsIgnoreCase(LocationManager.GPS_PROVIDER)) { providerName = getString(R.string.providername_gps); } else { providerName = getString(R.string.providername_celltower); } tvDateTime.setText(android.text.format.DateFormat.getDateFormat(getActivity()) .format(new Date(Session.getLatestTimeStamp())) + " - " + providerName); NumberFormat nf = NumberFormat.getInstance(); nf.setMaximumFractionDigits(6); tvLatitude.setText(String.valueOf(nf.format(locationInfo.getLatitude()))); tvLongitude.setText(String.valueOf(nf.format(locationInfo.getLongitude()))); nf.setMaximumFractionDigits(3); if (locationInfo.hasAltitude()) { tvAltitude.setText(Strings.getDistanceDisplay(getActivity(), locationInfo.getAltitude(), preferenceHelper.shouldDisplayImperialUnits())); } else { tvAltitude.setText(R.string.not_applicable); } if (locationInfo.hasSpeed()) { txtSpeed.setText(Strings.getSpeedDisplay(getActivity(), locationInfo.getSpeed(), preferenceHelper.shouldDisplayImperialUnits())); } else { txtSpeed.setText(R.string.not_applicable); } if (locationInfo.hasBearing()) { float bearingDegrees = locationInfo.getBearing(); String direction; direction = Strings.getBearingDescription(bearingDegrees, getActivity().getApplicationContext()); txtDirection.setText(direction + "(" + String.valueOf(Math.round(bearingDegrees)) + getString(R.string.degree_symbol) + ")"); } else { txtDirection.setText(R.string.not_applicable); } if (!Session.isUsingGps()) { txtSatellites.setText(R.string.not_applicable); } if (locationInfo.hasAccuracy()) { float accuracy = locationInfo.getAccuracy(); txtAccuracy.setText(getString(R.string.accuracy_within, Strings.getDistanceDisplay(getActivity(), accuracy, preferenceHelper.shouldDisplayImperialUnits()), "")); } else { txtAccuracy.setText(R.string.not_applicable); } double distanceValue = Session.getTotalTravelled(); txtTravelled.setText(Strings.getDistanceDisplay(getActivity(), distanceValue, preferenceHelper.shouldDisplayImperialUnits()) + " (" + Session.getNumLegs() + " points)"); long startTime = Session.getStartTimeStamp(); Date d = new Date(startTime); long currentTime = System.currentTimeMillis(); String duration = Strings.getDescriptiveDurationString((int) (currentTime - startTime) / 1000, getActivity()); DateFormat timeFormat = new SimpleDateFormat("HH:mm:ss"); DateFormat dateFormat = android.text.format.DateFormat.getDateFormat(getActivity().getApplicationContext()); txtTime.setText(duration + " (started at " + dateFormat.format(d) + " " + timeFormat.format(d) + ")"); } @EventBusHook public void onEvent(ServiceEvents.ActivityRecognitionEvent activityRecognitionEvent) { TextView txtActivity = (TextView) rootView.findViewById(R.id.detailedview_activity_text); String detectedActivity = ""; if (activityRecognitionEvent.result.getMostProbableActivity().getType() == DetectedActivity.IN_VEHICLE) { detectedActivity = getString(R.string.activity_in_vehicle); } if (activityRecognitionEvent.result.getMostProbableActivity().getType() == DetectedActivity.STILL) { detectedActivity = getString(R.string.activity_still); } if (activityRecognitionEvent.result.getMostProbableActivity().getType() == DetectedActivity.ON_BICYCLE) { detectedActivity = getString(R.string.activity_on_bicycle); } if (activityRecognitionEvent.result.getMostProbableActivity().getType() == DetectedActivity.ON_FOOT) { detectedActivity = getString(R.string.activity_on_foot); } if (activityRecognitionEvent.result.getMostProbableActivity().getType() == DetectedActivity.RUNNING) { detectedActivity = getString(R.string.activity_running); } if (activityRecognitionEvent.result.getMostProbableActivity().getType() == DetectedActivity.TILTING) { detectedActivity = getString(R.string.activity_tilting); } if (activityRecognitionEvent.result.getMostProbableActivity().getType() == DetectedActivity.WALKING) { detectedActivity = getString(R.string.activity_walking); } if (activityRecognitionEvent.result.getMostProbableActivity().getType() == DetectedActivity.UNKNOWN) { detectedActivity = getString(R.string.activity_unknown); } detectedActivity += " - " + getString(R.string.activity_confidence) + " " + activityRecognitionEvent.result.getMostProbableActivity().getConfidence() + "%"; txtActivity.setText(detectedActivity); } }