Java tutorial
/* * PowerSwitch by Max Rosin & Markus Ressel * Copyright (C) 2015 Markus Ressel * * This program 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 3 of the License, or * (at your option) any later version. * * This program 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. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package eu.power_switch.gui.fragment.configure_geofence; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.graphics.Bitmap; import android.os.Bundle; import android.support.annotation.Nullable; import android.support.design.widget.Snackbar; import android.support.v4.content.LocalBroadcastManager; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ImageView; import android.widget.TextView; import com.google.android.gms.maps.model.LatLng; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import eu.power_switch.R; import eu.power_switch.action.Action; import eu.power_switch.database.handler.DatabaseHandler; import eu.power_switch.google_play_services.geofence.Geofence; import eu.power_switch.google_play_services.geofence.GeofenceApiHandler; import eu.power_switch.gui.StatusMessageHandler; import eu.power_switch.gui.dialog.ConfigurationDialogFragment; import eu.power_switch.gui.dialog.ConfigurationDialogTabbedSummaryFragment; import eu.power_switch.gui.dialog.ConfigureApartmentGeofenceDialog; import eu.power_switch.gui.dialog.ConfigureGeofenceDialog; import eu.power_switch.gui.fragment.RecyclerViewFragment; import eu.power_switch.gui.fragment.geofences.ApartmentGeofencesFragment; import eu.power_switch.gui.fragment.geofences.CustomGeofencesFragment; import eu.power_switch.obj.Apartment; import eu.power_switch.shared.constants.LocalBroadcastConstants; import eu.power_switch.shared.permission.PermissionHelper; /** * Created by Markus on 29.01.2016. */ public class ConfigureGeofenceDialogPage4SummaryFragment extends ConfigurationDialogFragment implements ConfigurationDialogTabbedSummaryFragment { private BroadcastReceiver broadcastReceiver; private View rootView; private long apartmentId = -1; private long currentId = -1; private String currentName = ""; private List<Action> currentEnterActions = new ArrayList<>(); private List<Action> currentExitActions = new ArrayList<>(); private LatLng currentLocation; private double currentGeofenceRadius; private Bitmap currentSnapshot; private TextView textViewName; private TextView textViewLocation; private ImageView imageViewLocationSnapshot; private TextView textViewEnterActions; private TextView textViewExitActions; private TextView textViewGeofenceRadius; private GeofenceApiHandler geofenceApiHandler; @Nullable @Override public View onCreateView(final LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { rootView = inflater.inflate(R.layout.dialog_fragment_configure_geofence_page_4, container, false); // BroadcastReceiver to get notifications from background service if room data has changed broadcastReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { if (LocalBroadcastConstants.INTENT_GEOFENCE_LOCATION_CHANGED.equals(intent.getAction())) { currentName = intent.getStringExtra("name"); double latitude = intent.getDoubleExtra("latitude", Geofence.INVALID_LAT); double longitude = intent.getDoubleExtra("longitude", Geofence.INVALID_LON); currentLocation = new LatLng(latitude, longitude); currentGeofenceRadius = intent.getDoubleExtra("geofenceRadius", -1); currentSnapshot = intent.getParcelableExtra("snapshot"); } else if (LocalBroadcastConstants.INTENT_GEOFENCE_ENTER_ACTIONS_CHANGED .equals(intent.getAction())) { currentEnterActions = (ArrayList<Action>) intent.getSerializableExtra("actions"); } else if (LocalBroadcastConstants.INTENT_GEOFENCE_EXIT_ACTIONS_CHANGED .equals(intent.getAction())) { currentExitActions = (ArrayList<Action>) intent.getSerializableExtra("actions"); } updateUi(); notifyConfigurationChanged(); } }; geofenceApiHandler = new GeofenceApiHandler(getActivity()); textViewName = (TextView) rootView.findViewById(R.id.textView_name); textViewLocation = (TextView) rootView.findViewById(R.id.textView_location); imageViewLocationSnapshot = (ImageView) rootView.findViewById(R.id.imageView_locationSnapshot); textViewGeofenceRadius = (TextView) rootView.findViewById(R.id.textView_geofence_radius); textViewEnterActions = (TextView) rootView.findViewById(R.id.textView_enter_actions); textViewExitActions = (TextView) rootView.findViewById(R.id.textView_exit_actions); Bundle args = getArguments(); if (args != null) { if (args.containsKey(ConfigureApartmentGeofenceDialog.APARTMENT_ID_KEY)) { apartmentId = args.getLong(ConfigureApartmentGeofenceDialog.APARTMENT_ID_KEY); } if (args.containsKey(ConfigureGeofenceDialog.GEOFENCE_ID_KEY)) { currentId = args.getLong(ConfigureGeofenceDialog.GEOFENCE_ID_KEY); initializeGeofenceData(currentId); } } updateUi(); return rootView; } private void initializeGeofenceData(long geofenceId) { try { Geofence geofence = DatabaseHandler.getGeofence(geofenceId); currentName = geofence.getName(); currentGeofenceRadius = geofence.getRadius(); currentLocation = geofence.getCenterLocation(); currentSnapshot = geofence.getSnapshot(); currentEnterActions = geofence.getActions(Geofence.EventType.ENTER); currentExitActions = geofence.getActions(Geofence.EventType.EXIT); } catch (Exception e) { StatusMessageHandler.showErrorMessage(getActivity(), e); } } private void updateUi() { if (currentName != null) { textViewName.setText(currentName); } if (currentLocation != null) { textViewLocation.setText(currentLocation.toString()); } if (currentSnapshot != null) { imageViewLocationSnapshot.setImageBitmap(currentSnapshot); } if (currentGeofenceRadius != -1) { textViewGeofenceRadius.setText(String.valueOf((int) currentGeofenceRadius) + " m"); } String enterActionText = ""; if (currentEnterActions != null) { for (Action action : currentEnterActions) { enterActionText += action.toString() + "\n"; } } textViewEnterActions.setText(enterActionText); String exitActionText = ""; if (currentExitActions != null) { for (Action action : currentExitActions) { exitActionText += action.toString() + "\n"; } } textViewExitActions.setText(exitActionText); } @Override public boolean checkSetupValidity() { if (currentName == null || currentName.length() <= 0) { return false; } if (currentGeofenceRadius == -1) { return false; } if (currentLocation == null) { return false; } if (currentSnapshot == null) { return false; } if (currentEnterActions == null || currentExitActions == null) { return false; } return !(currentEnterActions.size() == 0 && currentExitActions.size() == 0); } @Override public void saveCurrentConfigurationToDatabase() throws Exception { try { HashMap<Geofence.EventType, List<Action>> actionsMap = new HashMap<>(); actionsMap.put(Geofence.EventType.ENTER, currentEnterActions); actionsMap.put(Geofence.EventType.EXIT, currentExitActions); boolean isLocationPermissionAvailable = PermissionHelper.isLocationPermissionAvailable(getContext()); if (apartmentId == -1) { // custom geofence if (currentId == -1) { Geofence geofence = new Geofence(currentId, isLocationPermissionAvailable, currentName, currentLocation, currentGeofenceRadius, currentSnapshot, actionsMap, Geofence.STATE_NONE); long geofenceId = DatabaseHandler.addGeofence(geofence); // update ID of Geofence geofence.setId(geofenceId); geofenceApiHandler.addGeofence(geofence); } else { Geofence geofence = DatabaseHandler.getGeofence(currentId); Geofence updatedGeofence = new Geofence(currentId, geofence.isActive(), currentName, currentLocation, currentGeofenceRadius, currentSnapshot, actionsMap, geofence.getState()); DatabaseHandler.updateGeofence(updatedGeofence); geofenceApiHandler.removeGeofence(geofence.getId()); if (geofence.isActive()) { geofenceApiHandler.addGeofence(updatedGeofence); } } } else { // apartment geofence Apartment apartment = DatabaseHandler.getApartment(apartmentId); Apartment updatedApartment; if (apartment.getGeofence() == null) { updatedApartment = new Apartment(apartment.getId(), apartment.isActive(), apartment.getName(), apartment.getAssociatedGateways(), new Geofence((long) -1, isLocationPermissionAvailable, apartment.getName(), currentLocation, currentGeofenceRadius, currentSnapshot, currentEnterActions, currentExitActions, Geofence.STATE_NONE)); } else { Geofence geofence = apartment.getGeofence(); Geofence updatedGeofence = new Geofence(geofence.getId(), geofence.isActive(), apartment.getName(), currentLocation, currentGeofenceRadius, currentSnapshot, currentEnterActions, currentExitActions, geofence.getState()); updatedApartment = new Apartment(apartment.getId(), apartment.isActive(), apartment.getName(), apartment.getAssociatedGateways(), updatedGeofence); geofenceApiHandler.removeGeofence(geofence.getId()); } // update apartment in database DatabaseHandler.updateApartment(updatedApartment); // reload from database to get correct geofence ID apartment = DatabaseHandler.getApartment(apartmentId); if (apartment.getGeofence().isActive()) { geofenceApiHandler.addGeofence(apartment.getGeofence()); } } ApartmentGeofencesFragment.sendApartmentGeofencesChangedBroadcast(getContext()); CustomGeofencesFragment.sendCustomGeofencesChangedBroadcast(getContext()); StatusMessageHandler.showInfoMessage(((RecyclerViewFragment) getTargetFragment()).getRecyclerView(), R.string.geofence_saved, Snackbar.LENGTH_LONG); } catch (Exception e) { StatusMessageHandler.showErrorMessage(getActivity(), e); } } @Override public void onStart() { super.onStart(); IntentFilter intentFilter = new IntentFilter(); intentFilter.addAction(LocalBroadcastConstants.INTENT_GEOFENCE_LOCATION_CHANGED); intentFilter.addAction(LocalBroadcastConstants.INTENT_GEOFENCE_ENTER_ACTIONS_CHANGED); intentFilter.addAction(LocalBroadcastConstants.INTENT_GEOFENCE_EXIT_ACTIONS_CHANGED); LocalBroadcastManager.getInstance(getActivity()).registerReceiver(broadcastReceiver, intentFilter); geofenceApiHandler.onStart(); } @Override public void onStop() { LocalBroadcastManager.getInstance(getActivity()).unregisterReceiver(broadcastReceiver); geofenceApiHandler.onStop(); super.onStop(); } }