Differential D60 Diff 201 src/it/reyboz/bustorino/fragments/MapFragment.java

Changeset View

Standalone View

src/it/reyboz/bustorino/fragments/MapFragment.java

Show First 20 Lines • Show All 72 Lines • ▼ Show 20 Lines	public class MapFragment extends BaseFragment {
private static final double DEFAULT_CENTER_LON = 7.6858;		private static final double DEFAULT_CENTER_LON = 7.6858;
private static final double POSITION_FOUND_ZOOM = 18.3;		private static final double POSITION_FOUND_ZOOM = 18.3;

private static final String DEBUG_TAG=FRAGMENT_TAG;		private static final String DEBUG_TAG=FRAGMENT_TAG;

protected FragmentListenerMain listenerMain;		protected FragmentListenerMain listenerMain;

private HashSet<String> shownStops = null;		private HashSet<String> shownStops = null;
		//the asynctask used to get the stops from the database
		private AsyncStopFetcher stopFetcher = null;


private MapView map = null;		private MapView map = null;
public Context ctx;		public Context ctx;
private LocationOverlay mLocationOverlay = null;		private LocationOverlay mLocationOverlay = null;
private FolderOverlay stopsFolderOverlay = null;		private FolderOverlay stopsFolderOverlay = null;
private Bundle savedMapState = null;		private Bundle savedMapState = null;
protected ImageButton btCenterMap;		protected ImageButton btCenterMap;
Show All 25 Lines	public class MapFragment extends BaseFragment {
private final ActivityResultLauncher<String[]> positionRequestLauncher =		private final ActivityResultLauncher<String[]> positionRequestLauncher =
registerForActivityResult(new ActivityResultContracts.RequestMultiplePermissions(), new ActivityResultCallback<Map<String, Boolean>>() {		registerForActivityResult(new ActivityResultContracts.RequestMultiplePermissions(), new ActivityResultCallback<Map<String, Boolean>>() {
@Override		@Override
@SuppressLint("MissingPermission")		@SuppressLint("MissingPermission")
public void onActivityResult(Map<String, Boolean> result) {		public void onActivityResult(Map<String, Boolean> result) {
if(result.get(Manifest.permission.ACCESS_COARSE_LOCATION) && result.get(Manifest.permission.ACCESS_FINE_LOCATION)){		if(result.get(Manifest.permission.ACCESS_COARSE_LOCATION) && result.get(Manifest.permission.ACCESS_FINE_LOCATION)){

map.getOverlays().remove(mLocationOverlay);		map.getOverlays().remove(mLocationOverlay);
startLocationOverlay(true);		startLocationOverlay(true, map);
if(getContext()==null \|\| getContext().getSystemService(Context.LOCATION_SERVICE)==null)		if(getContext()==null \|\| getContext().getSystemService(Context.LOCATION_SERVICE)==null)
return;		return;
LocationManager locationManager = (LocationManager) getContext().getSystemService(Context.LOCATION_SERVICE);		LocationManager locationManager = (LocationManager) getContext().getSystemService(Context.LOCATION_SERVICE);
Location userLocation = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);		Location userLocation = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);
if (userLocation != null) {		if (userLocation != null) {
map.getController().setZoom(POSITION_FOUND_ZOOM);		map.getController().setZoom(POSITION_FOUND_ZOOM);
GeoPoint startPoint = new GeoPoint(userLocation);		GeoPoint startPoint = new GeoPoint(userLocation);
setLocationFollowing(true);		setLocationFollowing(true);
Show All 15 Lines	public static MapFragment getInstance(double stopLatit, double stopLong, String stopName, String stopID){
args.putDouble(BUNDLE_LATIT, stopLatit);		args.putDouble(BUNDLE_LATIT, stopLatit);
args.putDouble(BUNDLE_LONGIT, stopLong);		args.putDouble(BUNDLE_LONGIT, stopLong);
args.putString(BUNDLE_NAME, stopName);		args.putString(BUNDLE_NAME, stopName);
args.putString(BUNDLE_ID, stopID);		args.putString(BUNDLE_ID, stopID);
fragment.setArguments(args);		fragment.setArguments(args);

return fragment;		return fragment;
}		}
public static MapFragment getInstance(Stop stop){		public static MapFragment getInstance(@NonNull Stop stop){
return getInstance(stop.getLatitude(), stop.getLongitude(), stop.getStopDisplayName(), stop.ID);		return getInstance(stop.getLatitude(), stop.getLongitude(), stop.getStopDisplayName(), stop.ID);
}		}


@Nullable		@Nullable
@Override		@Override
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {		public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
//use the same layout as the activity		//use the same layout as the activity
▲ Show 20 Lines • Show All 83 Lines • ▼ Show 20 Lines	public void onDetach() {
// setupOnAttached = true;		// setupOnAttached = true;
Log.w(DEBUG_TAG, "Fragment detached");		Log.w(DEBUG_TAG, "Fragment detached");
}		}

@Override		@Override
public void onPause() {		public void onPause() {
super.onPause();		super.onPause();
saveMapState();		saveMapState();
		//cancel asynctask
		Log.w(DEBUG_TAG, "On pause called");
		if (stopFetcher!= null)
		stopFetcher.cancel(true);
}		}

/**		/**
* Save the map state inside the fragment		* Save the map state inside the fragment
* (calls saveMapState(bundle))		* (calls saveMapState(bundle))
*/		*/
private void saveMapState(){		private void saveMapState(){
savedMapState = new Bundle();		savedMapState = new Bundle();
Show All 31 Lines	public class MapFragment extends BaseFragment {
//own methods		//own methods

/**		/**
* Switch following the location on and off		* Switch following the location on and off
* @param value true if we want to follow location		* @param value true if we want to follow location
*/		*/
public void setLocationFollowing(Boolean value){		public void setLocationFollowing(Boolean value){
followingLocation = value;		followingLocation = value;
if(mLocationOverlay==null \|\| getContext() == null)		if(mLocationOverlay==null \|\| getContext() == null \|\| map ==null)
//nothing else to do		//nothing else to do
return;		return;
if (value){		if (value){
mLocationOverlay.enableFollowLocation();		mLocationOverlay.enableFollowLocation();
} else {		} else {
mLocationOverlay.disableFollowLocation();		mLocationOverlay.disableFollowLocation();
}		}
}		}

/**		/**
* Do all the stuff you need to do on the gui, when parameter is changed to value		* Do all the stuff you need to do on the gui, when parameter is changed to value
* @param following value		* @param following value
*/		*/
protected void updateGUIForLocationFollowing(boolean following){		protected void updateGUIForLocationFollowing(boolean following){
if (following)		if (following)
btFollowMe.setImageResource(R.drawable.ic_follow_me_on);		btFollowMe.setImageResource(R.drawable.ic_follow_me_on);
else		else
btFollowMe.setImageResource(R.drawable.ic_follow_me);		btFollowMe.setImageResource(R.drawable.ic_follow_me);

}		}

/**		/**
* Start the location overlay. Enable only when		* Build the location overlay. Enable only when
* a) we know we have the permission		* a) we know we have the permission
* b) the location map is set		* b) the location map is set
*/		*/
private void startLocationOverlay(boolean enableLocation){		private void startLocationOverlay(boolean enableLocation, MapView map){
if(getActivity()== null) throw new IllegalStateException("Cannot enable LocationOverlay now");		if(getActivity()== null) throw new IllegalStateException("Cannot enable LocationOverlay now");
// Location Overlay		// Location Overlay
// from OpenBikeSharing (THANK GOD)		// from OpenBikeSharing (THANK GOD)
Log.d(DEBUG_TAG, "Starting position overlay");		Log.d(DEBUG_TAG, "Starting position overlay");
GpsMyLocationProvider imlp = new GpsMyLocationProvider(getActivity().getBaseContext());		GpsMyLocationProvider imlp = new GpsMyLocationProvider(getActivity().getBaseContext());
imlp.setLocationUpdateMinDistance(5);		imlp.setLocationUpdateMinDistance(5);
imlp.setLocationUpdateMinTime(2000);		imlp.setLocationUpdateMinTime(2000);
this.mLocationOverlay = new LocationOverlay(imlp,map, locationCallbacks);
if (enableLocation) mLocationOverlay.enableMyLocation();
mLocationOverlay.setOptionsMenuEnabled(true);

map.getOverlays().add(this.mLocationOverlay);		final LocationOverlay overlay = new LocationOverlay(imlp,map, locationCallbacks);
		if (enableLocation) overlay.enableMyLocation();
		overlay.setOptionsMenuEnabled(true);

		//map.getOverlays().add(this.mLocationOverlay);
		this.mLocationOverlay = overlay;
		map.getOverlays().add(mLocationOverlay);
}		}

public void startMap(Bundle incoming, Bundle savedInstanceState) {		public void startMap(Bundle incoming, Bundle savedInstanceState) {
//Check that we're attached		//Check that we're attached
GeneralActivity activity = getActivity() instanceof GeneralActivity ? (GeneralActivity) getActivity() : null;		GeneralActivity activity = getActivity() instanceof GeneralActivity ? (GeneralActivity) getActivity() : null;
if(getContext()==null\|\| activity==null){		if(getContext()==null\|\| activity==null){
//we are not attached		//we are not attached
Log.e(DEBUG_TAG, "Calling startMap when not attached");		Log.e(DEBUG_TAG, "Calling startMap when not attached");
return;		return;
}else{		}else{
Log.d(DEBUG_TAG, "Starting map from scratch");		Log.d(DEBUG_TAG, "Starting map from scratch");
}		}
		//clear previous overlays
		map.getOverlays().clear();


//parse incoming bundle		//parse incoming bundle
GeoPoint marker = null;		GeoPoint marker = null;
String name = null;		String name = null;
String ID = null;		String ID = null;
if (incoming != null) {		if (incoming != null) {
double lat = incoming.getDouble(BUNDLE_LATIT);		double lat = incoming.getDouble(BUNDLE_LATIT);
double lon = incoming.getDouble(BUNDLE_LONGIT);		double lon = incoming.getDouble(BUNDLE_LONGIT);
marker = new GeoPoint(lat, lon);		marker = new GeoPoint(lat, lon);
name = incoming.getString(BUNDLE_NAME);		name = incoming.getString(BUNDLE_NAME);
ID = incoming.getString(BUNDLE_ID);		ID = incoming.getString(BUNDLE_ID);
}		}


		//ask for location permission
		if(!Permissions.locationPermissionGranted(activity)){
		if(shouldShowRequestPermissionRationale(Manifest.permission.ACCESS_FINE_LOCATION)){
		//TODO: show dialog for permission rationale
		Toast.makeText(activity, R.string.enable_position_message_map, Toast.LENGTH_SHORT).show();
		}
		positionRequestLauncher.launch(Permissions.LOCATION_PERMISSIONS);

		}

shownStops = new HashSet<>();		shownStops = new HashSet<>();
// move the map on the marker position or on a default view point: Turin, Piazza Castello		// move the map on the marker position or on a default view point: Turin, Piazza Castello
// and set the start zoom		// and set the start zoom
IMapController mapController = map.getController();		IMapController mapController = map.getController();
GeoPoint startPoint = null;		GeoPoint startPoint = null;
		startLocationOverlay(Permissions.locationPermissionGranted(activity),
		map);
// set the center point		// set the center point
if (marker != null) {		if (marker != null) {
startPoint = marker;		startPoint = marker;
mapController.setZoom(POSITION_FOUND_ZOOM);		mapController.setZoom(POSITION_FOUND_ZOOM);
setLocationFollowing(false);		setLocationFollowing(false);
} else if (savedInstanceState != null) {		} else if (savedInstanceState != null && savedInstanceState.containsKey(MAP_CURRENT_ZOOM_KEY)) {
mapController.setZoom(savedInstanceState.getDouble(MAP_CURRENT_ZOOM_KEY));		mapController.setZoom(savedInstanceState.getDouble(MAP_CURRENT_ZOOM_KEY));
mapController.setCenter(new GeoPoint(savedInstanceState.getDouble(MAP_CENTER_LAT_KEY),		mapController.setCenter(new GeoPoint(savedInstanceState.getDouble(MAP_CENTER_LAT_KEY),
savedInstanceState.getDouble(MAP_CENTER_LON_KEY)));		savedInstanceState.getDouble(MAP_CENTER_LON_KEY)));
Log.d(DEBUG_TAG, "Location following from savedInstanceState: "+savedInstanceState.getBoolean(FOLLOWING_LOCAT_KEY));		Log.d(DEBUG_TAG, "Location following from savedInstanceState: "+savedInstanceState.getBoolean(FOLLOWING_LOCAT_KEY));
setLocationFollowing(savedInstanceState.getBoolean(FOLLOWING_LOCAT_KEY));		setLocationFollowing(savedInstanceState.getBoolean(FOLLOWING_LOCAT_KEY));
} else {		} else {
Log.d(DEBUG_TAG, "No position found from intent or saved state");		Log.d(DEBUG_TAG, "No position found from intent or saved state");
boolean found = false;		boolean found = false;
LocationManager locationManager =		LocationManager locationManager =
(LocationManager) getContext().getSystemService(Context.LOCATION_SERVICE);		(LocationManager) getContext().getSystemService(Context.LOCATION_SERVICE);
//check for permission		//check for permission
if (locationManager != null && Permissions.locationPermissionGranted(activity)) {		if (locationManager != null && Permissions.locationPermissionGranted(activity)) {

@SuppressLint("MissingPermission")		@SuppressLint("MissingPermission")
Location userLocation = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);		Location userLocation = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);
if (userLocation != null) {		if (userLocation != null) {
mapController.setZoom(POSITION_FOUND_ZOOM);		mapController.setZoom(POSITION_FOUND_ZOOM);
startPoint = new GeoPoint(userLocation);		startPoint = new GeoPoint(userLocation);
found = true;		found = true;
setLocationFollowing(true);		setLocationFollowing(true);
}		}
} else if(!Permissions.locationPermissionGranted(activity)){
if(shouldShowRequestPermissionRationale(Manifest.permission.ACCESS_FINE_LOCATION)){
//TODO: show dialog for permission rationale
Toast.makeText(activity, R.string.enable_position_message_map, Toast.LENGTH_SHORT).show();
}
positionRequestLauncher.launch(Permissions.LOCATION_PERMISSIONS);

}		}
if(!found){		if(!found){
startPoint = new GeoPoint(DEFAULT_CENTER_LAT, DEFAULT_CENTER_LON);		startPoint = new GeoPoint(DEFAULT_CENTER_LAT, DEFAULT_CENTER_LON);
mapController.setZoom(17.0);		mapController.setZoom(17.0);
setLocationFollowing(false);		setLocationFollowing(false);
}		}
}		}
startLocationOverlay(Permissions.locationPermissionGranted(activity));

// set the minimum zoom level		// set the minimum zoom level
map.setMinZoomLevel(15.0);		map.setMinZoomLevel(15.0);
//add contingency check (shouldn't happen..., but)		//add contingency check (shouldn't happen..., but)
if (startPoint != null) {		if (startPoint != null) {
mapController.setCenter(startPoint);		mapController.setCenter(startPoint);
}		}


//add stops overlay		//add stops overlay
		//map.getOverlays().add(mLocationOverlay);
map.getOverlays().add(this.stopsFolderOverlay);		map.getOverlays().add(this.stopsFolderOverlay);

Log.d(DEBUG_TAG, "Requesting stops load");		Log.d(DEBUG_TAG, "Requesting stops load");
// This is not necessary, by setting the center we already move		// This is not necessary, by setting the center we already move
// the map and we trigger a stop request		// the map and we trigger a stop request
//requestStopsToShow();		//requestStopsToShow();
if (marker != null) {		if (marker != null) {
// make a marker with the info window open for the searched marker		// make a marker with the info window open for the searched marker
makeMarker(startPoint, name , ID, true);		makeMarker(startPoint, name , ID, true);
}		}

}		}

/**		/**
* Start a request to load the stops that are in the current view		* Start a request to load the stops that are in the current view
* from the database		* from the database
*/		*/
private void requestStopsToShow(){		private void requestStopsToShow(){
// get the top, bottom, left and right screen's coordinate		// get the top, bottom, left and right screen's coordinate
BoundingBox bb = map.getBoundingBox();		BoundingBox bb = map.getBoundingBox();
double latFrom = bb.getLatSouth();		double latFrom = bb.getLatSouth();
double latTo = bb.getLatNorth();		double latTo = bb.getLatNorth();
double lngFrom = bb.getLonWest();		double lngFrom = bb.getLonWest();
double lngTo = bb.getLonEast();		double lngTo = bb.getLonEast();
		if (stopFetcher!= null && stopFetcher.getStatus()!= AsyncTask.Status.FINISHED)
new AsyncStopFetcher(this).execute(		stopFetcher.cancel(true);
		stopFetcher = new AsyncStopFetcher(this);
		stopFetcher.execute(
new AsyncStopFetcher.BoundingBoxLimit(lngFrom,lngTo,latFrom, latTo));		new AsyncStopFetcher.BoundingBoxLimit(lngFrom,lngTo,latFrom, latTo));
}		}

/**		/**
* Add stops as Markers on the map		* Add stops as Markers on the map
* @param stops the list of stops that must be included		* @param stops the list of stops that must be included
*/		*/
protected void showStopsMarkers(List<Stop> stops){		protected void showStopsMarkers(List<Stop> stops){
		if (getContext() == null){
		//we are not attached
		return;
		}
		boolean good = true;

for (Stop stop : stops) {		for (Stop stop : stops) {
if (shownStops.contains(stop.ID)){		if (shownStops.contains(stop.ID)){
continue;		continue;
}		}
if(stop.getLongitude()==null \|\| stop.getLatitude()==null)		if(stop.getLongitude()==null \|\| stop.getLatitude()==null)
continue;		continue;

shownStops.add(stop.ID);		shownStops.add(stop.ID);
		if(!map.isShown()){
		if(good)
		Log.d(DEBUG_TAG, "Need to show stop but map is not shown, probably detached already");
		good = false;
		continue;
		} else if(map.getRepository() == null){
		Log.e(DEBUG_TAG, "Map view repository is null");
		}
GeoPoint marker = new GeoPoint(stop.getLatitude(), stop.getLongitude());		GeoPoint marker = new GeoPoint(stop.getLatitude(), stop.getLongitude());

Marker stopMarker = makeMarker(marker, stop.getStopDefaultName(), stop.ID, false);		Marker stopMarker = makeMarker(marker, stop.getStopDefaultName(), stop.ID, false);
stopsFolderOverlay.add(stopMarker);		stopsFolderOverlay.add(stopMarker);
if (!map.getOverlays().contains(stopsFolderOverlay)) {		if (!map.getOverlays().contains(stopsFolderOverlay)) {
Log.w(DEBUG_TAG, "Map doesn't have folder overlay");		Log.w(DEBUG_TAG, "Map doesn't have folder overlay");
}		}
		good=true;
}		}
//Log.d(DEBUG_TAG,"We have " +stopsFolderOverlay.getItems().size()+" stops in the folderOverlay");		//Log.d(DEBUG_TAG,"We have " +stopsFolderOverlay.getItems().size()+" stops in the folderOverlay");
//force redraw of markers		//force redraw of markers
map.invalidate();		map.invalidate();
}		}

public Marker makeMarker(GeoPoint geoPoint, String stopName, String ID, boolean isStartMarker) {		public Marker makeMarker(GeoPoint geoPoint, String stopName, String ID, boolean isStartMarker) {

// add a marker		// add a marker
Marker marker = new Marker(map);		final Marker marker = new Marker(map);

// set custom info window as info window		// set custom info window as info window
CustomInfoWindow popup = new CustomInfoWindow(map, ID, stopName, responder);		CustomInfoWindow popup = new CustomInfoWindow(map, ID, stopName, responder);
marker.setInfoWindow(popup);		marker.setInfoWindow(popup);

// make the marker clickable		// make the marker clickable
marker.setOnMarkerClickListener((thisMarker, mapView) -> {		marker.setOnMarkerClickListener((thisMarker, mapView) -> {
if (thisMarker.isInfoWindowOpen()) {		if (thisMarker.isInfoWindowOpen()) {
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