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152,800
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private static double distanceRadians ( double lat1 , double lng1 , double lat2 , double lng2 ) { return arcHav ( havDistance ( lat1 , lat2 , lng1 - lng2 ) ) ; }
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Returns distance on the unit sphere ; the arguments are in radians .
| 52
| 14
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152,801
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static double computeAngleBetween ( IGeoPoint from , IGeoPoint to ) { return distanceRadians ( toRadians ( from . getLatitude ( ) ) , toRadians ( from . getLongitude ( ) ) , toRadians ( to . getLatitude ( ) ) , toRadians ( to . getLongitude ( ) ) ) ; }
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Returns the angle between two IGeoPoints in radians . This is the same as the distance on the unit sphere .
| 79
| 25
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152,802
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public static double computeLength ( List < IGeoPoint > path ) { if ( path . size ( ) < 2 ) { return 0 ; } double length = 0 ; IGeoPoint prev = path . get ( 0 ) ; double prevLat = toRadians ( prev . getLatitude ( ) ) ; double prevLng = toRadians ( prev . getLongitude ( ) ) ; for ( IGeoPoint point : path ) { double lat = toRadians ( point . getLatitude ( ) ) ; double lng = toRadians ( point . getLongitude ( ) ) ; length += distanceRadians ( prevLat , prevLng , lat , lng ) ; prevLat = lat ; prevLng = lng ; } return length * EARTH_RADIUS ; }
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Returns the length of the given path in meters on Earth .
| 172
| 12
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152,803
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static double computeSignedArea ( List < IGeoPoint > path , double radius ) { int size = path . size ( ) ; if ( size < 3 ) { return 0 ; } double total = 0 ; IGeoPoint prev = path . get ( size - 1 ) ; double prevTanLat = tan ( ( PI / 2 - toRadians ( prev . getLatitude ( ) ) ) / 2 ) ; double prevLng = toRadians ( prev . getLongitude ( ) ) ; // For each edge, accumulate the signed area of the triangle formed by the North Pole // and that edge ("polar triangle"). for ( IGeoPoint point : path ) { double tanLat = tan ( ( PI / 2 - toRadians ( point . getLatitude ( ) ) ) / 2 ) ; double lng = toRadians ( point . getLongitude ( ) ) ; total += polarTriangleArea ( tanLat , lng , prevTanLat , prevLng ) ; prevTanLat = tanLat ; prevLng = lng ; } return total * ( radius * radius ) ; }
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Returns the signed area of a closed path on a sphere of given radius . The computed area uses the same units as the radius squared . Used by SphericalUtilTest .
| 236
| 35
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152,804
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public void protectDisplayedTilesForCache ( final Canvas pCanvas , final Projection pProjection ) { if ( ! setViewPort ( pCanvas , pProjection ) ) { return ; } TileSystem . getTileFromMercator ( mViewPort , TileSystem . getTileSize ( mProjection . getZoomLevel ( ) ) , mProtectedTiles ) ; final int tileZoomLevel = TileSystem . getInputTileZoomLevel ( mProjection . getZoomLevel ( ) ) ; mTileProvider . getTileCache ( ) . getMapTileArea ( ) . set ( tileZoomLevel , mProtectedTiles ) ; mTileProvider . getTileCache ( ) . maintenance ( ) ; }
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Populates the tile provider s memory cache with the list of displayed tiles
| 159
| 14
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152,805
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protected boolean setViewPort ( final Canvas pCanvas , final Projection pProjection ) { setProjection ( pProjection ) ; getProjection ( ) . getMercatorViewPort ( mViewPort ) ; return true ; }
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Get the area we are drawing to
| 51
| 7
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152,806
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public static void closeStream ( final Closeable stream ) { if ( stream != null ) { try { stream . close ( ) ; } catch ( final IOException e ) { //don't use android classes here, since this class is used outside of android e . printStackTrace ( ) ; } } }
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Closes the specified stream .
| 64
| 6
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152,807
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private void addPoints ( final List < GeoPoint > pPoints , final double pBeginLat , final double pBeginLon , final double pEndLat , final double pEndLon ) { final double increment = 10 ; // in degrees pPoints . add ( new GeoPoint ( pBeginLat , pBeginLon ) ) ; double lat = pBeginLat ; double lon = pBeginLon ; double incLat = pBeginLat == pEndLat ? 0 : pBeginLat < pEndLat ? increment : - increment ; double incLon = pBeginLon == pEndLon ? 0 : pBeginLon < pEndLon ? increment : - increment ; while ( true ) { if ( incLat != 0 ) { lat += incLat ; if ( incLat < 0 ) { if ( lat < pEndLat ) { break ; } } else { if ( lat > pEndLat ) { break ; } } } if ( incLon != 0 ) { lon += incLon ; if ( incLon < 0 ) { if ( lon < pEndLon ) { break ; } } else { if ( lon > pEndLon ) { break ; } } } pPoints . add ( new GeoPoint ( lat , lon ) ) ; } pPoints . add ( new GeoPoint ( pEndLat , pEndLon ) ) ; }
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Add a succession of GeoPoint s separated by an increment taken from the segment between two GeoPoint s
| 296
| 20
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152,808
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void buildLinePortion ( final Projection pProjection , final boolean pStorePoints ) { final int size = mOriginalPoints . size ( ) ; if ( size < 2 ) { // nothing to paint return ; } computeProjected ( pProjection ) ; computeDistances ( ) ; final PointL offset = new PointL ( ) ; getBestOffset ( pProjection , offset ) ; mSegmentClipper . init ( ) ; clipAndStore ( pProjection , offset , false , pStorePoints , mSegmentClipper ) ; mSegmentClipper . end ( ) ; }
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Dedicated to Polyline as they can run much faster with drawLine than through a Path
| 127
| 19
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152,809
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boolean isCloseTo ( final GeoPoint pPoint , final double tolerance , final Projection pProjection , final boolean pClosePath ) { return getCloseTo ( pPoint , tolerance , pProjection , pClosePath ) != null ; }
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Detection is done in screen coordinates .
| 52
| 8
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152,810
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static public ImageryMetaDataResource getInstanceFromJSON ( final JSONObject a_jsonObject , final JSONObject parent ) throws Exception { final ImageryMetaDataResource result = new ImageryMetaDataResource ( ) ; if ( a_jsonObject == null ) { throw new Exception ( "JSON to parse is null" ) ; } result . copyright = parent . getString ( COPYRIGHT ) ; if ( a_jsonObject . has ( IMAGE_HEIGHT ) ) { result . m_imageHeight = a_jsonObject . getInt ( IMAGE_HEIGHT ) ; } if ( a_jsonObject . has ( IMAGE_WIDTH ) ) { result . m_imageWidth = a_jsonObject . getInt ( IMAGE_WIDTH ) ; } if ( a_jsonObject . has ( ZOOM_MIN ) ) { result . m_zoomMin = a_jsonObject . getInt ( ZOOM_MIN ) ; } if ( a_jsonObject . has ( ZOOM_MAX ) ) { result . m_zoomMax = a_jsonObject . getInt ( ZOOM_MAX ) ; } result . m_imageUrl = a_jsonObject . getString ( IMAGE_URL ) ; if ( result . m_imageUrl != null && result . m_imageUrl . matches ( ".*?\\{.*?\\}.*?" ) ) { result . m_imageUrl = result . m_imageUrl . replaceAll ( "\\{.*?\\}" , "%s" ) ; } final JSONArray subdomains = a_jsonObject . getJSONArray ( IMAGE_URL_SUBDOMAINS ) ; if ( subdomains != null && subdomains . length ( ) >= 1 ) { result . m_imageUrlSubdomains = new String [ subdomains . length ( ) ] ; for ( int i = 0 ; i < subdomains . length ( ) ; i ++ ) { result . m_imageUrlSubdomains [ i ] = subdomains . getString ( i ) ; } } result . m_isInitialised = true ; return result ; }
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Parse a JSON string containing resource field of a ImageryMetaData response
| 462
| 15
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152,811
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public synchronized String getSubDomain ( ) { if ( m_imageUrlSubdomains == null || m_imageUrlSubdomains . length <= 0 ) { return null ; } final String result = m_imageUrlSubdomains [ m_subdomainsCounter ] ; if ( m_subdomainsCounter < m_imageUrlSubdomains . length - 1 ) { m_subdomainsCounter ++ ; } else { m_subdomainsCounter = 0 ; } return result ; }
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When several subdomains are available get subdomain pointed by internal cycle counter on subdomains and increment this counter
| 105
| 23
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152,812
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public static ITileSource getTileSource ( final String aName ) throws IllegalArgumentException { for ( final ITileSource tileSource : mTileSources ) { if ( tileSource . name ( ) . equals ( aName ) ) { return tileSource ; } } throw new IllegalArgumentException ( "No such tile source: " + aName ) ; }
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Get the tile source with the specified name . The tile source must be one of the registered sources as defined in the static list mTileSources of this class .
| 76
| 32
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152,813
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@ Deprecated public static ITileSource getTileSource ( final int aOrdinal ) throws IllegalArgumentException { for ( final ITileSource tileSource : mTileSources ) { if ( tileSource . ordinal ( ) == aOrdinal ) { return tileSource ; } } throw new IllegalArgumentException ( "No tile source at position: " + aOrdinal ) ; }
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Get the tile source at the specified position .
| 81
| 9
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152,814
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public static int removeTileSources ( final String aRegex ) { int n = 0 ; for ( int i = mTileSources . size ( ) - 1 ; i >= 0 ; -- i ) { if ( mTileSources . get ( i ) . name ( ) . matches ( aRegex ) ) { mTileSources . remove ( i ) ; ++ n ; } } return n ; }
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removes any tile sources whose name matches the regular expression
| 83
| 11
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152,815
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private static void startServer ( ) throws Exception { JAXRSServerFactoryBean sf = new JAXRSServerFactoryBean ( ) ; sf . setResourceClasses ( TileFetcher . class ) ; List < Object > providers = new ArrayList < Object > ( ) ; // add custom providers if any providers . add ( new org . apache . cxf . jaxrs . provider . JAXBElementProvider ( ) ) ; providers . add ( new org . apache . cxf . jaxrs . provider . json . JSONProvider ( ) ) ; sf . setProviders ( providers ) ; sf . setResourceProvider ( TileFetcher . class , new SingletonResourceProvider ( new TileFetcher ( ) , true ) ) ; sf . setAddress ( ENDPOINT_ADDRESS ) ; server = sf . create ( ) ; }
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this files up a CXF based Jetty server to host tile rest service
| 193
| 16
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152,816
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public void add ( ShapeMarkers shapeMarkers ) { for ( Marker marker : shapeMarkers . getMarkers ( ) ) { add ( marker , shapeMarkers ) ; } }
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Add all markers in the shape
| 40
| 6
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152,817
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public static void addMarkerAsPolyline ( Marker marker , List < Marker > markers ) { GeoPoint position = marker . getPosition ( ) ; int insertLocation = markers . size ( ) ; if ( markers . size ( ) > 1 ) { double [ ] distances = new double [ markers . size ( ) ] ; insertLocation = 0 ; distances [ 0 ] = SphericalUtil . computeDistanceBetween ( position , markers . get ( 0 ) . getPosition ( ) ) ; for ( int i = 1 ; i < markers . size ( ) ; i ++ ) { distances [ i ] = SphericalUtil . computeDistanceBetween ( position , markers . get ( i ) . getPosition ( ) ) ; if ( distances [ i ] < distances [ insertLocation ] ) { insertLocation = i ; } } Integer beforeLocation = insertLocation > 0 ? insertLocation - 1 : null ; Integer afterLocation = insertLocation < distances . length - 1 ? insertLocation + 1 : null ; if ( beforeLocation != null && afterLocation != null ) { if ( distances [ beforeLocation ] > distances [ afterLocation ] ) { insertLocation = afterLocation ; } } else if ( beforeLocation != null ) { if ( distances [ beforeLocation ] >= SphericalUtil . computeDistanceBetween ( markers . get ( beforeLocation ) . getPosition ( ) , markers . get ( insertLocation ) . getPosition ( ) ) ) { insertLocation ++ ; } } else { if ( distances [ afterLocation ] < SphericalUtil . computeDistanceBetween ( markers . get ( afterLocation ) . getPosition ( ) , markers . get ( insertLocation ) . getPosition ( ) ) ) { insertLocation ++ ; } } } markers . add ( insertLocation , marker ) ; }
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Polyline add a marker in the list of markers to where it is closest to the the surrounding points
| 369
| 20
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152,818
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public void showInfoWindow ( ) { if ( mInfoWindow == null ) return ; final int markerWidth = mIcon . getIntrinsicWidth ( ) ; final int markerHeight = mIcon . getIntrinsicHeight ( ) ; final int offsetX = ( int ) ( markerWidth * ( mIWAnchorU - mAnchorU ) ) ; final int offsetY = ( int ) ( markerHeight * ( mIWAnchorV - mAnchorV ) ) ; if ( mBearing == 0 ) { mInfoWindow . open ( this , mPosition , offsetX , offsetY ) ; return ; } final int centerX = 0 ; final int centerY = 0 ; final double radians = - mBearing * Math . PI / 180. ; final double cos = Math . cos ( radians ) ; final double sin = Math . sin ( radians ) ; final int rotatedX = ( int ) RectL . getRotatedX ( offsetX , offsetY , centerX , centerY , cos , sin ) ; final int rotatedY = ( int ) RectL . getRotatedY ( offsetX , offsetY , centerX , centerY , cos , sin ) ; mInfoWindow . open ( this , mPosition , rotatedX , rotatedY ) ; }
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shows the info window if it s open this will close and reopen it
| 280
| 14
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152,819
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@ Override public void onDetach ( MapView mapView ) { BitmapPool . getInstance ( ) . asyncRecycle ( mIcon ) ; mIcon = null ; BitmapPool . getInstance ( ) . asyncRecycle ( mImage ) ; //cleanDefaults(); this . mOnMarkerClickListener = null ; this . mOnMarkerDragListener = null ; this . mResources = null ; setRelatedObject ( null ) ; if ( isInfoWindowShown ( ) ) closeInfoWindow ( ) ; // //if we're using the shared info window, this will cause all instances to close mMapViewRepository = null ; setInfoWindow ( null ) ; onDestroy ( ) ; super . onDetach ( mapView ) ; }
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Null out the static references when the MapView is detached to prevent memory leaks .
| 160
| 16
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152,820
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public static double orthogonalDistance ( GeoPoint point , GeoPoint lineStart , GeoPoint lineEnd ) { double area = Math . abs ( ( lineStart . getLatitude ( ) * lineEnd . getLongitude ( ) + lineEnd . getLatitude ( ) * point . getLongitude ( ) + point . getLatitude ( ) * lineStart . getLongitude ( ) - lineEnd . getLatitude ( ) * lineStart . getLongitude ( ) - point . getLatitude ( ) * lineEnd . getLongitude ( ) - lineStart . getLatitude ( ) * point . getLongitude ( ) ) / 2.0 ) ; double bottom = Math . hypot ( lineStart . getLatitude ( ) - lineEnd . getLatitude ( ) , lineStart . getLongitude ( ) - lineEnd . getLongitude ( ) ) ; return ( area / bottom * 2.0 ) ; }
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Calculate the orthogonal distance from the line joining the lineStart and lineEnd points to point
| 197
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152,821
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@ Override public void onClick ( View v ) { switch ( v . getId ( ) ) { case R . id . buttonManualCacheEntry : { showManualEntry ( ) ; } break ; case R . id . buttonSetCache : { showPickCacheFromList ( ) ; } break ; } }
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END PERMISSION CHECK
| 67
| 6
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152,822
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public void closeAllInfoWindows ( ) { for ( Overlay overlay : mOverlayManager ) { if ( overlay instanceof FolderOverlay ) { ( ( FolderOverlay ) overlay ) . closeAllInfoWindows ( ) ; } else if ( overlay instanceof OverlayWithIW ) { ( ( OverlayWithIW ) overlay ) . closeInfoWindow ( ) ; } } }
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Close all opened InfoWindows of overlays it contains . This only operates on overlays that inherit from OverlayWithIW .
| 81
| 26
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152,823
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private ImageryMetaDataResource getMetaData ( ) { Log . d ( IMapView . LOGTAG , "getMetaData" ) ; ImageryMetaDataResource returnValue = null ; InputStream in = null ; HttpURLConnection client = null ; ByteArrayOutputStream dataStream = null ; BufferedOutputStream out = null ; try { client = ( HttpURLConnection ) ( new URL ( String . format ( BASE_URL_PATTERN , mStyle , mBingMapKey ) ) . openConnection ( ) ) ; Log . d ( IMapView . LOGTAG , "make request " + client . getURL ( ) . toString ( ) . toString ( ) ) ; client . setRequestProperty ( Configuration . getInstance ( ) . getUserAgentHttpHeader ( ) , Configuration . getInstance ( ) . getUserAgentValue ( ) ) ; for ( final Map . Entry < String , String > entry : Configuration . getInstance ( ) . getAdditionalHttpRequestProperties ( ) . entrySet ( ) ) { client . setRequestProperty ( entry . getKey ( ) , entry . getValue ( ) ) ; } client . connect ( ) ; if ( client . getResponseCode ( ) != 200 ) { Log . e ( IMapView . LOGTAG , "Cannot get response for url " + client . getURL ( ) . toString ( ) + " " + client . getResponseMessage ( ) ) ; } else { in = client . getInputStream ( ) ; dataStream = new ByteArrayOutputStream ( ) ; out = new BufferedOutputStream ( dataStream , StreamUtils . IO_BUFFER_SIZE ) ; StreamUtils . copy ( in , out ) ; out . flush ( ) ; returnValue = ImageryMetaData . getInstanceFromJSON ( dataStream . toString ( ) ) ; } } catch ( final Exception e ) { Log . e ( IMapView . LOGTAG , "Error getting imagery meta data" , e ) ; } finally { if ( client != null ) try { client . disconnect ( ) ; } catch ( Exception e ) { Log . d ( IMapView . LOGTAG , "end getMetaData" , e ) ; } if ( in != null ) try { in . close ( ) ; } catch ( Exception e ) { Log . d ( IMapView . LOGTAG , "end getMetaData" , e ) ; } if ( dataStream != null ) try { dataStream . close ( ) ; } catch ( Exception e ) { Log . d ( IMapView . LOGTAG , "end getMetaData" , e ) ; } if ( out != null ) try { out . close ( ) ; } catch ( Exception e ) { Log . d ( IMapView . LOGTAG , "end getMetaData" , e ) ; } Log . d ( IMapView . LOGTAG , "end getMetaData" ) ; } return returnValue ; }
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Gets the imagery meta from the REST service or null if it fails
| 623
| 14
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152,824
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public boolean shouldIgnore ( final String pProvider , final long pTime ) { if ( LocationManager . GPS_PROVIDER . equals ( pProvider ) ) { mLastGps = pTime ; } else { if ( pTime < mLastGps + Configuration . getInstance ( ) . getGpsWaitTime ( ) ) { return true ; } } return false ; }
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Whether we should ignore this location .
| 80
| 7
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152,825
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private double adjustScaleBarLength ( double length ) { long pow = 0 ; boolean feet = false ; if ( unitsOfMeasure == UnitsOfMeasure . imperial ) { if ( length >= GeoConstants . METERS_PER_STATUTE_MILE / 5 ) length = length / GeoConstants . METERS_PER_STATUTE_MILE ; else { length = length * GeoConstants . FEET_PER_METER ; feet = true ; } } else if ( unitsOfMeasure == UnitsOfMeasure . nautical ) { if ( length >= GeoConstants . METERS_PER_NAUTICAL_MILE / 5 ) length = length / GeoConstants . METERS_PER_NAUTICAL_MILE ; else { length = length * GeoConstants . FEET_PER_METER ; feet = true ; } } while ( length >= 10 ) { pow ++ ; length /= 10 ; } while ( length < 1 && length > 0 ) { pow -- ; length *= 10 ; } if ( length < 2 ) { length = 1 ; } else if ( length < 5 ) { length = 2 ; } else { length = 5 ; } if ( feet ) length = length / GeoConstants . FEET_PER_METER ; else if ( unitsOfMeasure == UnitsOfMeasure . imperial ) length = length * GeoConstants . METERS_PER_STATUTE_MILE ; else if ( unitsOfMeasure == UnitsOfMeasure . nautical ) length = length * GeoConstants . METERS_PER_NAUTICAL_MILE ; length *= Math . pow ( 10 , pow ) ; return length ; }
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Returns a reduced length that starts with 1 2 or 5 and trailing zeros . If set to nautical or imperial the input will be transformed before and after the reduction so that the result holds in that respective unit .
| 349
| 43
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152,826
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public static Location getLastKnownLocation ( final LocationManager pLocationManager ) { if ( pLocationManager == null ) { return null ; } final Location gpsLocation = getLastKnownLocation ( pLocationManager , LocationManager . GPS_PROVIDER ) ; final Location networkLocation = getLastKnownLocation ( pLocationManager , LocationManager . NETWORK_PROVIDER ) ; if ( gpsLocation == null ) { return networkLocation ; } else if ( networkLocation == null ) { return gpsLocation ; } else { // both are non-null - use the most recent if ( networkLocation . getTime ( ) > gpsLocation . getTime ( ) + Configuration . getInstance ( ) . getGpsWaitTime ( ) ) { return networkLocation ; } else { return gpsLocation ; } } }
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Get the most recent location from the GPS or Network provider .
| 168
| 12
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152,827
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public void setInfoWindow ( InfoWindow infoWindow ) { if ( mInfoWindow != null ) { if ( mInfoWindow . getRelatedObject ( ) == this ) mInfoWindow . setRelatedObject ( null ) ; } mInfoWindow = infoWindow ; }
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Set the InfoWindow to be used . Default is a BasicInfoWindow with the layout named bonuspack_bubble . You can use this method either to use your own layout or to use your own sub - class of InfoWindow . If you don t want any InfoWindow to open you can set it to null .
| 55
| 64
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152,828
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public List < List < GeoPoint > > getHoles ( ) { List < List < GeoPoint >> result = new ArrayList < List < GeoPoint > > ( mHoles . size ( ) ) ; for ( LinearRing hole : mHoles ) { result . add ( hole . getPoints ( ) ) ; //TODO: completely wrong: // hole.getPoints() doesn't return a copy but a direct handler to the internal list. // - if geodesic, this is not the same points as the original list. } return result ; }
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returns a copy of the holes this polygon contains
| 118
| 11
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152,829
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public static ArrayList < GeoPoint > pointsAsCircle ( GeoPoint center , double radiusInMeters ) { ArrayList < GeoPoint > circlePoints = new ArrayList < GeoPoint > ( 360 / 6 ) ; for ( int f = 0 ; f < 360 ; f += 6 ) { GeoPoint onCircle = center . destinationPoint ( radiusInMeters , f ) ; circlePoints . add ( onCircle ) ; } return circlePoints ; }
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Build a list of GeoPoint as a circle .
| 97
| 10
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152,830
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protected void setDefaultInfoWindowLocation ( ) { int s = mOutline . getPoints ( ) . size ( ) ; if ( s == 0 ) { mInfoWindowLocation = new GeoPoint ( 0.0 , 0.0 ) ; return ; } //TODO: as soon as the polygon bounding box will be a class member, don't compute it again here. mInfoWindowLocation = mOutline . getCenter ( null ) ; }
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Internal method used to ensure that the infowindow will have a default position in all cases so that the user can call showInfoWindow even if no tap occured before . Currently set the position on the center of the polygon bounding box .
| 97
| 51
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152,831
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@ Deprecated public Point toPixelsFromProjected ( final PointL in , final Point reuse ) { final Point out = reuse != null ? reuse : new Point ( ) ; final double power = getProjectedPowerDifference ( ) ; final PointL tmp = new PointL ( ) ; getLongPixelsFromProjected ( in , power , true , tmp ) ; out . x = TileSystem . truncateToInt ( tmp . x ) ; out . y = TileSystem . truncateToInt ( tmp . y ) ; return out ; }
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Performs the second computationally light part of the projection .
| 116
| 12
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152,832
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public Point unrotateAndScalePoint ( int x , int y , Point reuse ) { return applyMatrixToPoint ( x , y , reuse , mUnrotateAndScaleMatrix , mOrientation != 0 ) ; }
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This will revert the current map s scaling and rotation for a point . This can be useful when drawing to a fixed location on the screen .
| 48
| 28
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152,833
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public Point rotateAndScalePoint ( int x , int y , Point reuse ) { return applyMatrixToPoint ( x , y , reuse , mRotateAndScaleMatrix , mOrientation != 0 ) ; }
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This will apply the current map s scaling and rotation for a point . This can be useful when converting MotionEvents to a screen point .
| 45
| 27
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152,834
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public void adjustOffsets ( final IGeoPoint pGeoPoint , final PointF pPixel ) { if ( pPixel == null ) { return ; } final Point unRotatedExpectedPixel = unrotateAndScalePoint ( ( int ) pPixel . x , ( int ) pPixel . y , null ) ; final Point unRotatedActualPixel = toPixels ( pGeoPoint , null ) ; final long deltaX = unRotatedExpectedPixel . x - unRotatedActualPixel . x ; final long deltaY = unRotatedExpectedPixel . y - unRotatedActualPixel . y ; adjustOffsets ( deltaX , deltaY ) ; }
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Adjust the offsets so that this geo point projects into that pixel
| 148
| 12
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152,835
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@ Deprecated public void adjustOffsets ( final BoundingBox pBoundingBox ) { if ( pBoundingBox == null ) { return ; } adjustOffsets ( pBoundingBox . getLonWest ( ) , pBoundingBox . getLonEast ( ) , false , 0 ) ; adjustOffsets ( pBoundingBox . getActualNorth ( ) , pBoundingBox . getActualSouth ( ) , true , 0 ) ; }
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Adjust the offsets so that either this bounding box is bigger than the screen and contains it or it is smaller and it is centered
| 99
| 26
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152,836
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protected String quadTree ( final long pMapTileIndex ) { final StringBuilder quadKey = new StringBuilder ( ) ; for ( int i = MapTileIndex . getZoom ( pMapTileIndex ) ; i > 0 ; i -- ) { int digit = 0 ; final int mask = 1 << ( i - 1 ) ; if ( ( MapTileIndex . getX ( pMapTileIndex ) & mask ) != 0 ) digit += 1 ; if ( ( MapTileIndex . getY ( pMapTileIndex ) & mask ) != 0 ) digit += 2 ; quadKey . append ( "" + digit ) ; } return quadKey . toString ( ) ; }
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Converts TMS tile coordinates to QuadTree
| 140
| 9
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152,837
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@ Override public void mapTileRequestFailed ( final MapTileRequestState pState ) { if ( mTileNotFoundImage != null ) { putTileIntoCache ( pState . getMapTile ( ) , mTileNotFoundImage , ExpirableBitmapDrawable . NOT_FOUND ) ; for ( final Handler handler : mTileRequestCompleteHandlers ) { if ( handler != null ) { handler . sendEmptyMessage ( MAPTILE_SUCCESS_ID ) ; } } } else { for ( final Handler handler : mTileRequestCompleteHandlers ) { if ( handler != null ) { handler . sendEmptyMessage ( MAPTILE_FAIL_ID ) ; } } } if ( Configuration . getInstance ( ) . isDebugTileProviders ( ) ) { Log . d ( IMapView . LOGTAG , "MapTileProviderBase.mapTileRequestFailed(): " + MapTileIndex . toString ( pState . getMapTile ( ) ) ) ; } }
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Called by implementation class methods indicating that they have failed to retrieve the requested map tile . a MAPTILE_FAIL_ID message is sent .
| 212
| 31
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152,838
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@ Override public void mapTileRequestExpiredTile ( MapTileRequestState pState , Drawable pDrawable ) { putTileIntoCache ( pState . getMapTile ( ) , pDrawable , ExpirableBitmapDrawable . getState ( pDrawable ) ) ; // tell our caller we've finished and it should update its view for ( final Handler handler : mTileRequestCompleteHandlers ) { if ( handler != null ) { handler . sendEmptyMessage ( MAPTILE_SUCCESS_ID ) ; } } if ( Configuration . getInstance ( ) . isDebugTileProviders ( ) ) { Log . d ( IMapView . LOGTAG , "MapTileProviderBase.mapTileRequestExpiredTile(): " + MapTileIndex . toString ( pState . getMapTile ( ) ) ) ; } }
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Called by implementation class methods indicating that they have produced an expired result that can be used but better results may be delivered later . The tile is added to the cache and a MAPTILE_SUCCESS_ID message is sent .
| 179
| 48
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152,839
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public void rescaleCache ( final Projection pProjection , final double pNewZoomLevel , final double pOldZoomLevel , final Rect pViewPort ) { if ( TileSystem . getInputTileZoomLevel ( pNewZoomLevel ) == TileSystem . getInputTileZoomLevel ( pOldZoomLevel ) ) { return ; } final long startMs = System . currentTimeMillis ( ) ; if ( Configuration . getInstance ( ) . isDebugTileProviders ( ) ) Log . i ( IMapView . LOGTAG , "rescale tile cache from " + pOldZoomLevel + " to " + pNewZoomLevel ) ; final PointL topLeftMercator = pProjection . toMercatorPixels ( pViewPort . left , pViewPort . top , null ) ; final PointL bottomRightMercator = pProjection . toMercatorPixels ( pViewPort . right , pViewPort . bottom , null ) ; final RectL viewPortMercator = new RectL ( topLeftMercator . x , topLeftMercator . y , bottomRightMercator . x , bottomRightMercator . y ) ; final ScaleTileLooper tileLooper = pNewZoomLevel > pOldZoomLevel ? new ZoomInTileLooper ( ) : new ZoomOutTileLooper ( ) ; tileLooper . loop ( pNewZoomLevel , viewPortMercator , pOldZoomLevel , getTileSource ( ) . getTileSizePixels ( ) ) ; final long endMs = System . currentTimeMillis ( ) ; if ( Configuration . getInstance ( ) . isDebugTileProviders ( ) ) Log . i ( IMapView . LOGTAG , "Finished rescale in " + ( endMs - startMs ) + "ms" ) ; }
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Recreate the cache using scaled versions of the tiles currently in it
| 391
| 14
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152,840
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protected boolean onDrawItem ( final Canvas canvas , final Item item , final Point curScreenCoords , final Projection pProjection ) { final int state = ( mDrawFocusedItem && ( mFocusedItem == item ) ? OverlayItem . ITEM_STATE_FOCUSED_MASK : 0 ) ; final Drawable marker = ( item . getMarker ( state ) == null ) ? getDefaultMarker ( state ) : item . getMarker ( state ) ; final HotspotPlace hotspot = item . getMarkerHotspot ( ) ; boundToHotspot ( marker , hotspot ) ; int x = mCurScreenCoords . x ; int y = mCurScreenCoords . y ; marker . copyBounds ( mRect ) ; mRect . offset ( x , y ) ; RectL . getBounds ( mRect , x , y , pProjection . getOrientation ( ) , mOrientedMarkerRect ) ; final boolean displayed = Rect . intersects ( mOrientedMarkerRect , canvas . getClipBounds ( ) ) ; if ( displayed ) { if ( pProjection . getOrientation ( ) != 0 ) { // optimization: step 1/2 canvas . save ( ) ; canvas . rotate ( - pProjection . getOrientation ( ) , x , y ) ; } marker . setBounds ( mRect ) ; marker . draw ( canvas ) ; if ( pProjection . getOrientation ( ) != 0 ) { // optimization: step 2/2 canvas . restore ( ) ; } } return displayed ; }
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Draws an item located at the provided screen coordinates to the canvas .
| 347
| 14
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152,841
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public List < Item > getDisplayedItems ( ) { final List < Item > result = new ArrayList <> ( ) ; if ( mInternalItemDisplayedList == null ) { return result ; } for ( int i = 0 ; i < mInternalItemDisplayedList . length ; i ++ ) { if ( mInternalItemDisplayedList [ i ] ) { result . add ( getItem ( i ) ) ; } } return result ; }
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Get the list of all the items that are currently drawn on the canvas . The obvious use case is a share or export button on a map restricted to what is displayed . The order of the items is kept
| 95
| 41
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152,842
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protected Rect calculateItemRect ( Item item , Point coords , Rect reuse ) { final Rect out = reuse != null ? reuse : new Rect ( ) ; HotspotPlace hotspot = item . getMarkerHotspot ( ) ; if ( hotspot == null ) { hotspot = HotspotPlace . BOTTOM_CENTER ; } final int state = ( mDrawFocusedItem && ( mFocusedItem == item ) ? OverlayItem . ITEM_STATE_FOCUSED_MASK : 0 ) ; final Drawable marker = ( item . getMarker ( state ) == null ) ? getDefaultMarker ( state ) : item . getMarker ( state ) ; int itemWidth = marker . getIntrinsicWidth ( ) ; int itemHeight = marker . getIntrinsicHeight ( ) ; switch ( hotspot ) { case NONE : out . set ( coords . x - itemWidth / 2 , coords . y - itemHeight / 2 , coords . x + itemWidth / 2 , coords . y + itemHeight / 2 ) ; break ; case CENTER : out . set ( coords . x - itemWidth / 2 , coords . y - itemHeight / 2 , coords . x + itemWidth / 2 , coords . y + itemHeight / 2 ) ; break ; case BOTTOM_CENTER : out . set ( coords . x - itemWidth / 2 , coords . y - itemHeight , coords . x + itemWidth / 2 , coords . y ) ; break ; case TOP_CENTER : out . set ( coords . x - itemWidth / 2 , coords . y , coords . x + itemWidth / 2 , coords . y + itemHeight ) ; break ; case RIGHT_CENTER : out . set ( coords . x - itemWidth , coords . y - itemHeight / 2 , coords . x , coords . y + itemHeight / 2 ) ; break ; case LEFT_CENTER : out . set ( coords . x , coords . y - itemHeight / 2 , coords . x + itemWidth , coords . y + itemHeight / 2 ) ; break ; case UPPER_RIGHT_CORNER : out . set ( coords . x - itemWidth , coords . y , coords . x , coords . y + itemHeight ) ; break ; case LOWER_RIGHT_CORNER : out . set ( coords . x - itemWidth , coords . y - itemHeight , coords . x , coords . y ) ; break ; case UPPER_LEFT_CORNER : out . set ( coords . x , coords . y , coords . x + itemWidth , coords . y + itemHeight ) ; break ; case LOWER_LEFT_CORNER : out . set ( coords . x , coords . y - itemHeight , coords . x + itemWidth , coords . y ) ; break ; } return out ; }
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Calculates the screen rect for an item .
| 651
| 10
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152,843
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private Overlay createPolygon ( BoundingBox key , Integer value , int redthreshold , int orangethreshold ) { Polygon polygon = new Polygon ( mMapView ) ; if ( value < orangethreshold ) polygon . setFillColor ( Color . parseColor ( alpha + yellow ) ) ; else if ( value < redthreshold ) polygon . setFillColor ( Color . parseColor ( alpha + orange ) ) ; else if ( value >= redthreshold ) polygon . setFillColor ( Color . parseColor ( alpha + red ) ) ; else { //no polygon } polygon . setStrokeColor ( polygon . getFillColor ( ) ) ; //if you set this to something like 20f and have a low alpha setting, // you'll end with a gaussian blur like effect polygon . setStrokeWidth ( 0f ) ; List < GeoPoint > pts = new ArrayList < GeoPoint > ( ) ; pts . add ( new GeoPoint ( key . getLatNorth ( ) , key . getLonWest ( ) ) ) ; pts . add ( new GeoPoint ( key . getLatNorth ( ) , key . getLonEast ( ) ) ) ; pts . add ( new GeoPoint ( key . getLatSouth ( ) , key . getLonEast ( ) ) ) ; pts . add ( new GeoPoint ( key . getLatSouth ( ) , key . getLonWest ( ) ) ) ; polygon . setPoints ( pts ) ; return polygon ; }
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converts the bounding box into a color filled polygon
| 328
| 12
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152,844
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public boolean isInClipArea ( final long pX , final long pY ) { return pX > mXMin && pX < mXMax && pY > mYMin && pY < mYMax ; }
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Check if a point is in the clip area
| 49
| 9
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152,845
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private boolean intersection ( final long pX0 , final long pY0 , final long pX1 , final long pY1 , final long pX2 , final long pY2 , final long pX3 , final long pY3 ) { return SegmentIntersection . intersection ( pX0 , pY0 , pX1 , pY1 , pX2 , pY2 , pX3 , pY3 , mOptimIntersection ) ; }
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Intersection of two segments
| 101
| 5
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152,846
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private boolean intersection ( final long pX0 , final long pY0 , final long pX1 , final long pY1 ) { return intersection ( pX0 , pY0 , pX1 , pY1 , mXMin , mYMin , mXMin , mYMax ) // x min segment || intersection ( pX0 , pY0 , pX1 , pY1 , mXMax , mYMin , mXMax , mYMax ) // x max segment || intersection ( pX0 , pY0 , pX1 , pY1 , mXMin , mYMin , mXMax , mYMin ) // y min segment || intersection ( pX0 , pY0 , pX1 , pY1 , mXMin , mYMax , mXMax , mYMax ) ; // y max segment }
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Intersection of a segment with the 4 segments of the clip area
| 187
| 13
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152,847
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private int getClosestCorner ( final long pX0 , final long pY0 , final long pX1 , final long pY1 ) { double min = Double . MAX_VALUE ; int corner = 0 ; for ( int i = 0 ; i < cornerX . length ; i ++ ) { final double distance = Distance . getSquaredDistanceToSegment ( cornerX [ i ] , cornerY [ i ] , pX0 , pY0 , pX1 , pY1 ) ; if ( min > distance ) { min = distance ; corner = i ; } } return corner ; }
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Gets the clip area corner which is the closest to the given segment
| 130
| 14
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152,848
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@ Override public void animateTo ( int x , int y ) { // If no layout, delay this call if ( ! mMapView . isLayoutOccurred ( ) ) { mReplayController . animateTo ( x , y ) ; return ; } if ( ! mMapView . isAnimating ( ) ) { mMapView . mIsFlinging = false ; final int xStart = ( int ) mMapView . getMapScrollX ( ) ; final int yStart = ( int ) mMapView . getMapScrollY ( ) ; final int dx = x - mMapView . getWidth ( ) / 2 ; final int dy = y - mMapView . getHeight ( ) / 2 ; if ( dx != xStart || dy != yStart ) { mMapView . getScroller ( ) . startScroll ( xStart , yStart , dx , dy , Configuration . getInstance ( ) . getAnimationSpeedDefault ( ) ) ; mMapView . postInvalidate ( ) ; } } }
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Start animating the map towards the given point .
| 216
| 10
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152,849
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@ Override public void setCenter ( final IGeoPoint point ) { // If no layout, delay this call if ( ! mMapView . isLayoutOccurred ( ) ) { mReplayController . setCenter ( point ) ; return ; } mMapView . setExpectedCenter ( point ) ; }
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Set the map view to the given center . There will be no animation .
| 66
| 15
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152,850
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@ Override public void stopAnimation ( final boolean jumpToTarget ) { if ( ! mMapView . getScroller ( ) . isFinished ( ) ) { if ( jumpToTarget ) { mMapView . mIsFlinging = false ; mMapView . getScroller ( ) . abortAnimation ( ) ; } else stopPanning ( ) ; } if ( Build . VERSION . SDK_INT >= Build . VERSION_CODES . HONEYCOMB ) { final Animator currentAnimator = this . mCurrentAnimator ; if ( mMapView . mIsAnimating . get ( ) ) { if ( jumpToTarget ) { currentAnimator . end ( ) ; } else { currentAnimator . cancel ( ) ; } } } else { if ( mMapView . mIsAnimating . get ( ) ) { mMapView . clearAnimation ( ) ; } } }
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Stops a running animation .
| 193
| 6
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152,851
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public void runCleanupOperation ( ) { final SQLiteDatabase db = getDb ( ) ; if ( db == null || ! db . isOpen ( ) ) { if ( Configuration . getInstance ( ) . isDebugMode ( ) ) { Log . d ( IMapView . LOGTAG , "Finished init thread, aborted due to null database reference" ) ; } return ; } // index creation is run now (regardless of the table size) // therefore potentially on a small table, for better index creation performances createIndex ( db ) ; final long dbLength = db_file . length ( ) ; if ( dbLength <= Configuration . getInstance ( ) . getTileFileSystemCacheMaxBytes ( ) ) { return ; } runCleanupOperation ( dbLength - Configuration . getInstance ( ) . getTileFileSystemCacheTrimBytes ( ) , Configuration . getInstance ( ) . getTileGCBulkSize ( ) , Configuration . getInstance ( ) . getTileGCBulkPauseInMillis ( ) , true ) ; }
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this could be a long running operation don t run on the UI thread unless necessary . This function prunes the database for old or expired tiles .
| 218
| 29
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152,852
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public boolean exists ( final String pTileSource , final long pMapTileIndex ) { return 1 == getRowCount ( primaryKey , getPrimaryKeyParameters ( getIndex ( pMapTileIndex ) , pTileSource ) ) ; }
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Returns true if the given tile source and tile coordinates exist in the cache
| 49
| 14
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152,853
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public boolean purgeCache ( ) { final SQLiteDatabase db = getDb ( ) ; if ( db != null && db . isOpen ( ) ) { try { db . delete ( TABLE , null , null ) ; return true ; } catch ( Exception e ) { Log . w ( IMapView . LOGTAG , "Error purging the db" , e ) ; catchException ( e ) ; } } return false ; }
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purges and deletes everything from the cache database
| 89
| 10
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152,854
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@ Override public boolean remove ( final ITileSource pTileSourceInfo , final long pMapTileIndex ) { final SQLiteDatabase db = getDb ( ) ; if ( db == null || ! db . isOpen ( ) ) { Log . d ( IMapView . LOGTAG , "Unable to delete cached tile from " + pTileSourceInfo . name ( ) + " " + MapTileIndex . toString ( pMapTileIndex ) + ", database not available." ) ; Counters . fileCacheSaveErrors ++ ; return false ; } try { final long index = getIndex ( pMapTileIndex ) ; db . delete ( DatabaseFileArchive . TABLE , primaryKey , getPrimaryKeyParameters ( index , pTileSourceInfo ) ) ; return true ; } catch ( Exception ex ) { //note, although we check for db null state at the beginning of this method, it's possible for the //db to be closed during the execution of this method Log . e ( IMapView . LOGTAG , "Unable to delete cached tile from " + pTileSourceInfo . name ( ) + " " + MapTileIndex . toString ( pMapTileIndex ) + " db is " + ( db == null ? "null" : "not null" ) , ex ) ; Counters . fileCacheSaveErrors ++ ; catchException ( ex ) ; } return false ; }
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Removes a specific tile from the cache
| 293
| 8
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152,855
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public long getRowCount ( String tileSourceName ) { if ( tileSourceName == null ) { return getRowCount ( null , null ) ; } return getRowCount ( COLUMN_PROVIDER + "=?" , new String [ ] { tileSourceName } ) ; }
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Returns the number of tiles in the cache for the specified tile source name
| 60
| 14
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152,856
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public long getRowCount ( final String pTileSourceName , final int pZoom , final Collection < Rect > pInclude , final Collection < Rect > pExclude ) { return getRowCount ( getWhereClause ( pZoom , pInclude , pExclude ) + ( pTileSourceName != null ? " and " + COLUMN_PROVIDER + "=?" : "" ) , pTileSourceName != null ? new String [ ] { pTileSourceName } : null ) ; }
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Count cache tiles
| 109
| 3
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152,857
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public long getFirstExpiry ( ) { final SQLiteDatabase db = getDb ( ) ; if ( db == null || ! db . isOpen ( ) ) { return 0 ; } try { Cursor cursor = db . rawQuery ( "select min(" + COLUMN_EXPIRES + ") from " + TABLE , null ) ; cursor . moveToFirst ( ) ; long time = cursor . getLong ( 0 ) ; cursor . close ( ) ; return time ; } catch ( Exception ex ) { Log . e ( IMapView . LOGTAG , "Unable to query for oldest tile" , ex ) ; catchException ( ex ) ; } return 0 ; }
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Returns the expiry time of the tile that expires first .
| 144
| 12
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152,858
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public static long getIndex ( final long pMapTileIndex ) { return getIndex ( MapTileIndex . getX ( pMapTileIndex ) , MapTileIndex . getY ( pMapTileIndex ) , MapTileIndex . getZoom ( pMapTileIndex ) ) ; }
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Gets the single column index value for a map tile Unluckily map tile index and sql pk don t match
| 60
| 24
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152,859
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public long delete ( final String pTileSourceName , final int pZoom , final Collection < Rect > pInclude , final Collection < Rect > pExclude ) { try { final SQLiteDatabase db = getDb ( ) ; if ( db == null || ! db . isOpen ( ) ) { return - 1 ; } return db . delete ( TABLE , getWhereClause ( pZoom , pInclude , pExclude ) + ( pTileSourceName != null ? " and " + COLUMN_PROVIDER + "=?" : "" ) , pTileSourceName != null ? new String [ ] { pTileSourceName } : null ) ; } catch ( Exception ex ) { catchException ( ex ) ; return 0 ; } }
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Delete cache tiles
| 159
| 3
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152,860
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public List < GeopackageRasterTileSource > getTileSources ( ) { List < GeopackageRasterTileSource > srcs = new ArrayList <> ( ) ; List < String > databases = manager . databases ( ) ; for ( int i = 0 ; i < databases . size ( ) ; i ++ ) { GeoPackage open = manager . open ( databases . get ( i ) ) ; List < String > tileTables = open . getTileTables ( ) ; for ( int k = 0 ; k < tileTables . size ( ) ; k ++ ) { TileDao tileDao = open . getTileDao ( tileTables . get ( k ) ) ; ProjectionTransform transform = tileDao . getProjection ( ) . getTransformation ( ProjectionConstants . EPSG_WORLD_GEODETIC_SYSTEM ) ; mil . nga . geopackage . BoundingBox boundingBox = transform . transform ( tileDao . getBoundingBox ( ) ) ; BoundingBox bounds = new BoundingBox ( Math . min ( tileSystem . getMaxLatitude ( ) , boundingBox . getMaxLatitude ( ) ) , boundingBox . getMaxLongitude ( ) , Math . max ( tileSystem . getMinLatitude ( ) , boundingBox . getMinLatitude ( ) ) , boundingBox . getMinLongitude ( ) ) ; srcs . add ( new GeopackageRasterTileSource ( databases . get ( i ) , tileTables . get ( k ) , ( int ) tileDao . getMinZoom ( ) , ( int ) tileDao . getMaxZoom ( ) , bounds ) ) ; } open . close ( ) ; } return srcs ; }
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returns ALL available raster tile sources for all imported geopackage databases
| 381
| 15
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152,861
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public ClickableIconOverlay set ( int id , IGeoPoint position , Drawable icon , DataType data ) { set ( position , icon ) ; mId = id ; mData = data ; return this ; }
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used to recycle this
| 47
| 4
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152,862
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public JSONObject makeHttpRequest ( String url ) throws IOException { InputStream is = null ; JSONObject jObj = null ; String json = null ; // Making HTTP request try { is = new URL ( url ) . openStream ( ) ; } catch ( Exception ex ) { Log . d ( "Networking" , ex . getLocalizedMessage ( ) ) ; throw new IOException ( "Error connecting" ) ; } try { BufferedReader reader = new BufferedReader ( new InputStreamReader ( is , "iso-8859-1" ) , 8 ) ; StringBuilder sb = new StringBuilder ( ) ; String line = null ; while ( ( line = reader . readLine ( ) ) != null ) { sb . append ( line + "\n" ) ; } json = sb . toString ( ) ; reader . close ( ) ; } catch ( Exception e ) { Log . e ( "Buffer Error" , "Error converting result " + e . toString ( ) ) ; } finally { try { is . close ( ) ; } catch ( Exception ex ) { } } // try parse the string to a JSON object try { jObj = new JSONObject ( json ) ; } catch ( JSONException e ) { Log . e ( "JSON Parser" , "Error parsing data " + e . toString ( ) ) ; } // return JSON String return jObj ; }
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by making HTTP POST or GET method
| 295
| 7
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152,863
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public static double getCenterLongitude ( final double pWest , final double pEast ) { double longitude = ( pEast + pWest ) / 2.0 ; if ( pEast < pWest ) { // center is on the other side of earth longitude += 180 ; } return org . osmdroid . views . MapView . getTileSystem ( ) . cleanLongitude ( longitude ) ; }
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Compute the center of two longitudes Taking into account the case when west is on the right and east is on the left
| 87
| 25
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152,864
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public BoundingBox increaseByScale ( final float pBoundingboxPaddingRelativeScale ) { if ( pBoundingboxPaddingRelativeScale <= 0 ) throw new IllegalArgumentException ( "pBoundingboxPaddingRelativeScale must be positive" ) ; final TileSystem tileSystem = org . osmdroid . views . MapView . getTileSystem ( ) ; // out-of-bounds latitude will be clipped final double latCenter = getCenterLatitude ( ) ; final double latSpanHalf = getLatitudeSpan ( ) / 2 * pBoundingboxPaddingRelativeScale ; final double latNorth = tileSystem . cleanLatitude ( latCenter + latSpanHalf ) ; final double latSouth = tileSystem . cleanLatitude ( latCenter - latSpanHalf ) ; // out-of-bounds longitude will be wrapped around final double lonCenter = getCenterLongitude ( ) ; final double lonSpanHalf = getLongitudeSpanWithDateLine ( ) / 2 * pBoundingboxPaddingRelativeScale ; final double latEast = tileSystem . cleanLongitude ( lonCenter + lonSpanHalf ) ; final double latWest = tileSystem . cleanLongitude ( lonCenter - lonSpanHalf ) ; return new BoundingBox ( latNorth , latEast , latSouth , latWest ) ; }
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Scale this bounding box by a given factor .
| 297
| 10
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152,865
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@ Override public void onMapReady ( GoogleMap googleMap ) { mMap = googleMap ; // Add a marker in Sydney and move the camera LatLng sydney = new LatLng ( - 34 , 151 ) ; mMap . addMarker ( new MarkerOptions ( ) . position ( sydney ) . title ( "Marker in Sydney" ) ) ; mMap . moveCamera ( CameraUpdateFactory . newLatLng ( sydney ) ) ; }
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Manipulates the map once available . This callback is triggered when the map is ready to be used . This is where we can add markers or lines add listeners or move the camera . In this case we just add a marker near Sydney Australia . If Google Play services is not installed on the device the user will be prompted to install it inside the SupportMapFragment . This method will only be triggered once the user has installed Google Play services and returned to the app .
| 103
| 94
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152,866
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public static WMSEndpoint parse ( InputStream inputStream ) throws Exception { DocumentBuilderFactory dbFactory = DocumentBuilderFactory . newInstance ( ) ; DocumentBuilder dBuilder = dbFactory . newDocumentBuilder ( ) ; dBuilder . setEntityResolver ( new EntityResolver ( ) { @ Override public InputSource resolveEntity ( String publicId , String systemId ) throws SAXException , IOException { return new InputSource ( new StringReader ( "" ) ) ; } } ) ; Document doc = dBuilder . parse ( inputStream ) ; Element element = doc . getDocumentElement ( ) ; element . normalize ( ) ; if ( element . getNodeName ( ) . contains ( "WMT_MS_Capabilities" ) ) { return DomParserWms111 . parse ( element ) ; } else if ( element . getNodeName ( ) . contains ( "WMS_Capabilities" ) ) { return DomParserWms111 . parse ( element ) ; } throw new IllegalArgumentException ( "Unknown root element: " + element . getNodeName ( ) ) ; }
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note the input stream remains open after calling this method closing it is the caller s problem
| 229
| 17
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152,867
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public static boolean isGoogleMapsV2Supported ( final Context aContext ) { try { // first check if Google Play Services is available int resultCode = GooglePlayServicesUtil . isGooglePlayServicesAvailable ( aContext ) ; if ( resultCode == ConnectionResult . SUCCESS ) { // then check if OpenGL ES 2.0 is available final ActivityManager activityManager = ( ActivityManager ) aContext . getSystemService ( Context . ACTIVITY_SERVICE ) ; final ConfigurationInfo configurationInfo = activityManager . getDeviceConfigurationInfo ( ) ; return configurationInfo . reqGlEsVersion >= 0x20000 ; } } catch ( Throwable e ) { } return false ; }
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Check whether Google Maps v2 is supported on this device .
| 142
| 12
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152,868
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private boolean isSymbolicDirectoryLink ( final File pParentDirectory , final File pDirectory ) { try { final String canonicalParentPath1 = pParentDirectory . getCanonicalPath ( ) ; final String canonicalParentPath2 = pDirectory . getCanonicalFile ( ) . getParent ( ) ; return ! canonicalParentPath1 . equals ( canonicalParentPath2 ) ; } catch ( final IOException e ) { return true ; } catch ( final NoSuchElementException e ) { // See: http://code.google.com/p/android/issues/detail?id=4961 // See: http://code.google.com/p/android/issues/detail?id=5807 return true ; } }
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Checks to see if it appears that a directory is a symbolic link . It does this by comparing the canonical path of the parent directory and the parent directory of the directory s canonical path . If they are equal then they come from the same true parent . If not then pDirectory is a symbolic link . If we get an exception we err on the side of caution and return true expecting the calculateDirectorySize to now skip further processing since something went goofy .
| 154
| 91
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152,869
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private void cutCurrentCache ( ) { final File lock = Configuration . getInstance ( ) . getOsmdroidTileCache ( ) ; synchronized ( lock ) { if ( mUsedCacheSpace > Configuration . getInstance ( ) . getTileFileSystemCacheTrimBytes ( ) ) { Log . d ( IMapView . LOGTAG , "Trimming tile cache from " + mUsedCacheSpace + " to " + Configuration . getInstance ( ) . getTileFileSystemCacheTrimBytes ( ) ) ; final List < File > z = getDirectoryFileList ( Configuration . getInstance ( ) . getOsmdroidTileCache ( ) ) ; // order list by files day created from old to new final File [ ] files = z . toArray ( new File [ 0 ] ) ; Arrays . sort ( files , new Comparator < File > ( ) { @ Override public int compare ( final File f1 , final File f2 ) { return Long . valueOf ( f1 . lastModified ( ) ) . compareTo ( f2 . lastModified ( ) ) ; } } ) ; for ( final File file : files ) { if ( mUsedCacheSpace <= Configuration . getInstance ( ) . getTileFileSystemCacheTrimBytes ( ) ) { break ; } final long length = file . length ( ) ; if ( file . delete ( ) ) { if ( Configuration . getInstance ( ) . isDebugTileProviders ( ) ) { Log . d ( IMapView . LOGTAG , "Cache trim deleting " + file . getAbsolutePath ( ) ) ; } mUsedCacheSpace -= length ; } } Log . d ( IMapView . LOGTAG , "Finished trimming tile cache" ) ; } } }
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If the cache size is greater than the max then trim it down to the trim level . This method is synchronized so that only one thread can run it at a time .
| 369
| 34
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152,870
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public static Bitmap getTileBitmap ( final int pTileSizePx ) { final Bitmap bitmap = BitmapPool . getInstance ( ) . obtainSizedBitmapFromPool ( pTileSizePx , pTileSizePx ) ; if ( bitmap != null ) { return bitmap ; } return Bitmap . createBitmap ( pTileSizePx , pTileSizePx , Bitmap . Config . ARGB_8888 ) ; }
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Try to get a tile bitmap from the pool otherwise allocate a new one
| 100
| 15
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152,871
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private GeoPoint getLocation ( ) { //sample data //{"timestamp": 1483742439, "iss_position": {"latitude": "-50.8416", "longitude": "-41.2701"}, "message": "success"} NetworkInfo activeNetwork = cm . getActiveNetworkInfo ( ) ; boolean isConnected = activeNetwork != null && activeNetwork . isConnectedOrConnecting ( ) ; GeoPoint pt = null ; if ( isConnected ) { try { JSONObject jsonObject = json . makeHttpRequest ( url_select ) ; JSONObject iss_position = ( JSONObject ) jsonObject . get ( "iss_position" ) ; double lat = iss_position . getDouble ( "latitude" ) ; double lon = iss_position . getDouble ( "longitude" ) ; //valid the data if ( lat <= 90d && lat >= - 90d && lon >= - 180d && lon <= 180d ) { pt = new GeoPoint ( lat , lon ) ; } else Log . e ( TAG , "invalid lat,lon received" ) ; } catch ( Throwable e ) { Log . e ( TAG , "error fetching json" , e ) ; } } return pt ; }
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HTTP callout to get a JSON document that represents the IIS s current location
| 265
| 16
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152,872
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public void addGreatCircle ( final GeoPoint startPoint , final GeoPoint endPoint ) { // get the great circle path length in meters final int greatCircleLength = ( int ) startPoint . distanceToAsDouble ( endPoint ) ; // add one point for every 100kms of the great circle path final int numberOfPoints = greatCircleLength / 100000 ; addGreatCircle ( startPoint , endPoint , numberOfPoints ) ; }
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Draw a great circle . Calculate a point for every 100km along the path .
| 96
| 17
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152,873
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public void addGreatCircle ( final GeoPoint startPoint , final GeoPoint endPoint , final int numberOfPoints ) { // adapted from page http://compastic.blogspot.co.uk/2011/07/how-to-draw-great-circle-on-map-in.html // which was adapted from page http://maps.forum.nu/gm_flight_path.html // convert to radians final double lat1 = startPoint . getLatitude ( ) * Math . PI / 180 ; final double lon1 = startPoint . getLongitude ( ) * Math . PI / 180 ; final double lat2 = endPoint . getLatitude ( ) * Math . PI / 180 ; final double lon2 = endPoint . getLongitude ( ) * Math . PI / 180 ; final double d = 2 * Math . asin ( Math . sqrt ( Math . pow ( Math . sin ( ( lat1 - lat2 ) / 2 ) , 2 ) + Math . cos ( lat1 ) * Math . cos ( lat2 ) * Math . pow ( Math . sin ( ( lon1 - lon2 ) / 2 ) , 2 ) ) ) ; double bearing = Math . atan2 ( Math . sin ( lon1 - lon2 ) * Math . cos ( lat2 ) , Math . cos ( lat1 ) * Math . sin ( lat2 ) - Math . sin ( lat1 ) * Math . cos ( lat2 ) * Math . cos ( lon1 - lon2 ) ) / - ( Math . PI / 180 ) ; bearing = bearing < 0 ? 360 + bearing : bearing ; for ( int i = 0 , j = numberOfPoints + 1 ; i < j ; i ++ ) { final double f = 1.0 / numberOfPoints * i ; final double A = Math . sin ( ( 1 - f ) * d ) / Math . sin ( d ) ; final double B = Math . sin ( f * d ) / Math . sin ( d ) ; final double x = A * Math . cos ( lat1 ) * Math . cos ( lon1 ) + B * Math . cos ( lat2 ) * Math . cos ( lon2 ) ; final double y = A * Math . cos ( lat1 ) * Math . sin ( lon1 ) + B * Math . cos ( lat2 ) * Math . sin ( lon2 ) ; final double z = A * Math . sin ( lat1 ) + B * Math . sin ( lat2 ) ; final double latN = Math . atan2 ( z , Math . sqrt ( Math . pow ( x , 2 ) + Math . pow ( y , 2 ) ) ) ; final double lonN = Math . atan2 ( y , x ) ; addPoint ( latN / ( Math . PI / 180 ) , lonN / ( Math . PI / 180 ) ) ; } }
|
Draw a great circle .
| 620
| 5
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152,874
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@ Override public void draw ( final Canvas canvas , final Projection pj ) { final int size = this . mPoints . size ( ) ; if ( size < 2 ) { // nothing to paint return ; } // precompute new points to the intermediate projection. while ( this . mPointsPrecomputed < size ) { final PointL pt = this . mPoints . get ( this . mPointsPrecomputed ) ; pj . toProjectedPixels ( pt . x , pt . y , pt ) ; this . mPointsPrecomputed ++ ; } Point screenPoint0 = null ; // points on screen Point screenPoint1 ; PointL projectedPoint0 ; // points from the points list PointL projectedPoint1 ; // clipping rectangle in the intermediate projection, to avoid performing projection. BoundingBox boundingBox = pj . getBoundingBox ( ) ; PointL topLeft = pj . toProjectedPixels ( boundingBox . getLatNorth ( ) , boundingBox . getLonWest ( ) , null ) ; PointL bottomRight = pj . toProjectedPixels ( boundingBox . getLatSouth ( ) , boundingBox . getLonEast ( ) , null ) ; final RectL clipBounds = new RectL ( topLeft . x , topLeft . y , bottomRight . x , bottomRight . y ) ; mPath . rewind ( ) ; projectedPoint0 = this . mPoints . get ( size - 1 ) ; mLineBounds . set ( projectedPoint0 . x , projectedPoint0 . y , projectedPoint0 . x , projectedPoint0 . y ) ; final double powerDifference = pj . getProjectedPowerDifference ( ) ; for ( int i = size - 2 ; i >= 0 ; i -- ) { // compute next points projectedPoint1 = this . mPoints . get ( i ) ; mLineBounds . union ( projectedPoint1 . x , projectedPoint1 . y ) ; if ( ! RectL . intersects ( clipBounds , mLineBounds ) ) { // skip this line, move to next point projectedPoint0 = projectedPoint1 ; screenPoint0 = null ; continue ; } // the starting point may be not calculated, because previous segment was out of clip // bounds if ( screenPoint0 == null ) { screenPoint0 = pj . getPixelsFromProjected ( projectedPoint0 , powerDifference , mTempPoint1 ) ; mPath . moveTo ( screenPoint0 . x , screenPoint0 . y ) ; } screenPoint1 = pj . getPixelsFromProjected ( projectedPoint1 , powerDifference , mTempPoint2 ) ; // skip this point, too close to previous point if ( Math . abs ( screenPoint1 . x - screenPoint0 . x ) + Math . abs ( screenPoint1 . y - screenPoint0 . y ) <= 1 ) { continue ; } mPath . lineTo ( screenPoint1 . x , screenPoint1 . y ) ; // update starting point to next position projectedPoint0 = projectedPoint1 ; screenPoint0 . x = screenPoint1 . x ; screenPoint0 . y = screenPoint1 . y ; mLineBounds . set ( projectedPoint0 . x , projectedPoint0 . y , projectedPoint0 . x , projectedPoint0 . y ) ; } canvas . drawPath ( mPath , this . mPaint ) ; }
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This method draws the line . Note - highly optimized to handle long paths proceed with care . Should be fine up to 10K points .
| 730
| 27
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152,875
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public void enableFollowLocation ( ) { mIsFollowing = true ; // set initial location when enabled if ( isMyLocationEnabled ( ) ) { Location location = mMyLocationProvider . getLastKnownLocation ( ) ; if ( location != null ) { setLocation ( location ) ; } } // Update the screen to see changes take effect if ( mMapView != null ) { mMapView . postInvalidate ( ) ; } }
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Enables follow functionality . The map will center on your current location and automatically scroll as you move . Scrolling the map in the UI will disable .
| 90
| 30
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152,876
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public boolean runOnFirstFix ( final Runnable runnable ) { if ( mMyLocationProvider != null && mLocation != null ) { new Thread ( runnable ) . start ( ) ; return true ; } else { mRunOnFirstFix . addLast ( runnable ) ; return false ; } }
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Queues a runnable to be executed as soon as we have a location fix . If we already have a fix we ll execute the runnable immediately and return true . If not we ll hang on to the runnable and return false ; as soon as we get a location fix we ll run it in in a new thread .
| 68
| 69
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152,877
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public boolean hasTile ( final long pMapTileIndex ) { ITileSource tileSource = mTileSource . get ( ) ; if ( tileSource == null ) { return false ; } return mWriter . getExpirationTimestamp ( tileSource , pMapTileIndex ) != null ; }
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returns true if the given tile for the current map source exists in the cache db
| 61
| 17
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152,878
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public static String retrieveKey ( final Context aContext , final String aKey ) { // get the key from the manifest final PackageManager pm = aContext . getPackageManager ( ) ; try { final ApplicationInfo info = pm . getApplicationInfo ( aContext . getPackageName ( ) , PackageManager . GET_META_DATA ) ; if ( info . metaData == null ) { Log . i ( IMapView . LOGTAG , "Key %s not found in manifest" + aKey ) ; } else { final String value = info . metaData . getString ( aKey ) ; if ( value == null ) { Log . i ( IMapView . LOGTAG , "Key %s not found in manifest" + aKey ) ; } else { return value . trim ( ) ; } } } catch ( final PackageManager . NameNotFoundException e ) { Log . i ( IMapView . LOGTAG , "Key %s not found in manifest" + aKey ) ; } return "" ; }
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Retrieve a key from the manifest meta data or empty string if not found .
| 213
| 16
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152,879
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public boolean forceLoadTile ( final OnlineTileSourceBase tileSource , final long pMapTileIndex ) { try { final Drawable drawable = mTileDownloader . downloadTile ( pMapTileIndex , mTileWriter , tileSource ) ; return drawable != null ; } catch ( CantContinueException e ) { return false ; } }
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Actual tile download regardless of the tile being already present in the cache
| 71
| 14
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152,880
|
public boolean isTileToBeDownloaded ( final ITileSource pTileSource , final long pMapTileIndex ) { final Long expiration = mTileWriter . getExpirationTimestamp ( pTileSource , pMapTileIndex ) ; if ( expiration == null ) { return true ; } final long now = System . currentTimeMillis ( ) ; return now > expiration ; }
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Should we download this tile? either because it s not cached yet or because it s expired
| 79
| 18
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152,881
|
static IterableWithSize < Long > getTilesCoverageIterable ( final BoundingBox pBB , final int pZoomMin , final int pZoomMax ) { final MapTileAreaList list = new MapTileAreaList ( ) ; for ( int zoomLevel = pZoomMin ; zoomLevel <= pZoomMax ; zoomLevel ++ ) { list . getList ( ) . add ( new MapTileArea ( ) . set ( zoomLevel , getTilesRect ( pBB , zoomLevel ) ) ) ; } return list ; }
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Iterable returning tiles covered by the bounding box sorted by ascending zoom level
| 117
| 15
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152,882
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public static List < Long > getTilesCoverage ( final ArrayList < GeoPoint > pGeoPoints , final int pZoomMin , final int pZoomMax ) { final List < Long > result = new ArrayList <> ( ) ; for ( int zoomLevel = pZoomMin ; zoomLevel <= pZoomMax ; zoomLevel ++ ) { final Collection < Long > resultForZoom = getTilesCoverage ( pGeoPoints , zoomLevel ) ; result . addAll ( resultForZoom ) ; } return result ; }
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Computes the theoretical tiles covered by the list of points
| 119
| 11
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152,883
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public CacheManagerTask downloadAreaAsync ( Context ctx , ArrayList < GeoPoint > geoPoints , final int zoomMin , final int zoomMax , final CacheManagerCallback callback ) { final CacheManagerTask task = new CacheManagerTask ( this , getDownloadingAction ( ) , geoPoints , zoomMin , zoomMax ) ; task . addCallback ( callback ) ; task . addCallback ( getDownloadingDialog ( ctx , task ) ) ; return execute ( task ) ; }
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Download in background all tiles covered by the GePoints list in osmdroid cache .
| 100
| 18
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152,884
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public CacheManagerTask downloadAreaAsyncNoUI ( Context ctx , BoundingBox bb , final int zoomMin , final int zoomMax , final CacheManagerCallback callback ) { final CacheManagerTask task = new CacheManagerTask ( this , getDownloadingAction ( ) , bb , zoomMin , zoomMax ) ; task . addCallback ( callback ) ; execute ( task ) ; return task ; }
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Download in background all tiles of the specified area in osmdroid cache without a user interface .
| 84
| 20
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152,885
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public void cancelAllJobs ( ) { Iterator < CacheManagerTask > iterator = mPendingTasks . iterator ( ) ; while ( iterator . hasNext ( ) ) { CacheManagerTask next = iterator . next ( ) ; next . cancel ( true ) ; } mPendingTasks . clear ( ) ; }
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cancels all tasks
| 68
| 5
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152,886
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public CacheManagerTask downloadAreaAsync ( Context ctx , List < Long > pTiles , final int zoomMin , final int zoomMax ) { final CacheManagerTask task = new CacheManagerTask ( this , getDownloadingAction ( ) , pTiles , zoomMin , zoomMax ) ; task . addCallback ( getDownloadingDialog ( ctx , task ) ) ; return execute ( task ) ; }
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Download in background all tiles of the specified area in osmdroid cache .
| 86
| 16
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152,887
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public CacheManagerTask cleanAreaAsync ( final Context ctx , ArrayList < GeoPoint > geoPoints , int zoomMin , int zoomMax ) { BoundingBox extendedBounds = extendedBoundsFromGeoPoints ( geoPoints , zoomMin ) ; return cleanAreaAsync ( ctx , extendedBounds , zoomMin , zoomMax ) ; }
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Remove all cached tiles covered by the GeoPoints list .
| 73
| 11
|
152,888
|
public static long updateStoragePrefreneces ( Context ctx ) { //loads the osmdroid config from the shared preferences object. //if this is the first time launching this app, all settings are set defaults with one exception, //the tile cache. the default is the largest write storage partition, which could end up being //this app's private storage, depending on device config and permissions Configuration . getInstance ( ) . load ( ctx , PreferenceManager . getDefaultSharedPreferences ( ctx ) ) ; //also note that our preference activity has the corresponding save method on the config object, but it can be called at any time. File dbFile = new File ( Configuration . getInstance ( ) . getOsmdroidTileCache ( ) . getAbsolutePath ( ) + File . separator + SqlTileWriter . DATABASE_FILENAME ) ; if ( dbFile . exists ( ) ) { return dbFile . length ( ) ; } return - 1 ; }
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refreshes the current osmdroid cache paths with user preferences plus soe logic to work around file system permissions on api23 devices . it s primarily used for out android tests .
| 209
| 38
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152,889
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private void updateStorageInfo ( ) { long cacheSize = updateStoragePrefreneces ( this ) ; //cache management ends here TextView tv = findViewById ( R . id . sdcardstate_value ) ; final String state = Environment . getExternalStorageState ( ) ; boolean mSdCardAvailable = Environment . MEDIA_MOUNTED . equals ( state ) ; tv . setText ( ( mSdCardAvailable ? "Mounted" : "Not Available" ) ) ; if ( ! mSdCardAvailable ) { tv . setTextColor ( Color . RED ) ; tv . setTypeface ( null , Typeface . BOLD ) ; } tv = findViewById ( R . id . version_text ) ; tv . setText ( BuildConfig . VERSION_NAME + " " + BuildConfig . BUILD_TYPE ) ; tv = findViewById ( R . id . mainstorageInfo ) ; tv . setText ( Configuration . getInstance ( ) . getOsmdroidTileCache ( ) . getAbsolutePath ( ) + "\n" + "Cache size: " + Formatter . formatFileSize ( this , cacheSize ) ) ; }
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gets storage state and current cache size
| 248
| 7
|
152,890
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@ Override public boolean onSingleTapConfirmed ( final MotionEvent event , final MapView mapView ) { if ( ! mStyle . mClickable ) return false ; float hyp ; Float minHyp = null ; int closest = - 1 ; Point tmp = new Point ( ) ; Projection pj = mapView . getProjection ( ) ; for ( int i = 0 ; i < mPointList . size ( ) ; i ++ ) { if ( mPointList . get ( i ) == null ) continue ; // TODO avoid projecting coordinates, do a test before calling next line pj . toPixels ( mPointList . get ( i ) , tmp ) ; if ( Math . abs ( event . getX ( ) - tmp . x ) > 50 || Math . abs ( event . getY ( ) - tmp . y ) > 50 ) continue ; hyp = ( event . getX ( ) - tmp . x ) * ( event . getX ( ) - tmp . x ) + ( event . getY ( ) - tmp . y ) * ( event . getY ( ) - tmp . y ) ; if ( minHyp == null || hyp < minHyp ) { minHyp = hyp ; closest = i ; } } if ( minHyp == null ) return false ; setSelectedPoint ( closest ) ; mapView . invalidate ( ) ; if ( clickListener != null ) clickListener . onClick ( mPointList , closest ) ; return true ; }
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Default action on tap is to select the nearest point .
| 310
| 11
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152,891
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public void setSelectedPoint ( Integer toSelect ) { if ( toSelect == null || toSelect < 0 || toSelect >= mPointList . size ( ) ) mSelectedPoint = null ; else mSelectedPoint = toSelect ; }
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Sets the highlighted point . App must invalidate the MapView .
| 52
| 14
|
152,892
|
static public ImageryMetaDataResource getInstanceFromJSON ( final String a_jsonContent ) throws Exception { if ( a_jsonContent == null ) { throw new Exception ( "JSON to parse is null" ) ; } /// response code should be 200 and authorization should be valid (valid BingMap key) final JSONObject jsonResult = new JSONObject ( a_jsonContent ) ; final int statusCode = jsonResult . getInt ( STATUS_CODE ) ; if ( statusCode != 200 ) { throw new Exception ( "Status code = " + statusCode ) ; } if ( AUTH_RESULT_CODE_VALID . compareToIgnoreCase ( jsonResult . getString ( AUTH_RESULT_CODE ) ) != 0 ) { throw new Exception ( "authentication result code = " + jsonResult . getString ( AUTH_RESULT_CODE ) ) ; } // get first valid resource information final JSONArray resultsSet = jsonResult . getJSONArray ( RESOURCE_SETS ) ; if ( resultsSet == null || resultsSet . length ( ) < 1 ) { throw new Exception ( "No results set found in json response" ) ; } if ( resultsSet . getJSONObject ( 0 ) . getInt ( ESTIMATED_TOTAL ) <= 0 ) { throw new Exception ( "No resource found in json response" ) ; } final JSONObject resource = resultsSet . getJSONObject ( 0 ) . getJSONArray ( RESOURCE ) . getJSONObject ( 0 ) ; return ImageryMetaDataResource . getInstanceFromJSON ( resource , jsonResult ) ; }
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Parse a JSON string containing ImageryMetaData response
| 336
| 11
|
152,893
|
public static void registerArchiveFileProvider ( Class < ? extends IArchiveFile > provider , String fileExtension ) { extensionMap . put ( fileExtension , provider ) ; }
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Registers a custom archive file provider
| 39
| 7
|
152,894
|
private static void load ( final SharedPreferences pPrefs , final Map < String , String > pMap , final String pPrefix ) { //potential fix for #1079 https://github.com/osmdroid/osmdroid/issues/1079 if ( pPrefix == null || pMap == null ) return ; pMap . clear ( ) ; for ( final String key : pPrefs . getAll ( ) . keySet ( ) ) { if ( key != null && key . startsWith ( pPrefix ) ) { pMap . put ( key . substring ( pPrefix . length ( ) ) , pPrefs . getString ( key , null ) ) ; } } }
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Loading a map from preferences using a prefix for the prefs keys
| 151
| 13
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152,895
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private static void save ( final SharedPreferences pPrefs , final SharedPreferences . Editor pEdit , final Map < String , String > pMap , final String pPrefix ) { for ( final String key : pPrefs . getAll ( ) . keySet ( ) ) { if ( key . startsWith ( pPrefix ) ) { pEdit . remove ( key ) ; } } for ( final Map . Entry < String , String > entry : pMap . entrySet ( ) ) { final String key = pPrefix + entry . getKey ( ) ; pEdit . putString ( key , entry . getValue ( ) ) ; } }
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Saving a map into preferences using a prefix for the prefs keys
| 138
| 14
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152,896
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public static void retrieveCloudmadeKey ( final Context aContext ) { mAndroidId = Settings . Secure . getString ( aContext . getContentResolver ( ) , Settings . Secure . ANDROID_ID ) ; // get the key from the manifest mKey = ManifestUtil . retrieveKey ( aContext , CLOUDMADE_KEY ) ; // if the id hasn't changed then set the token to the previous token final SharedPreferences pref = PreferenceManager . getDefaultSharedPreferences ( aContext ) ; mPreferenceEditor = pref . edit ( ) ; final String id = pref . getString ( CLOUDMADE_ID , "" ) ; if ( id . equals ( mAndroidId ) ) { mToken = pref . getString ( CLOUDMADE_TOKEN , "" ) ; // if we've got a token we don't need the editor any more if ( mToken . length ( ) > 0 ) { mPreferenceEditor = null ; } } else { mPreferenceEditor . putString ( CLOUDMADE_ID , mAndroidId ) ; mPreferenceEditor . commit ( ) ; } }
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Retrieve the key from the manifest and store it for later use .
| 240
| 14
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152,897
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public static String getCloudmadeToken ( ) { if ( mToken . length ( ) == 0 ) { synchronized ( mToken ) { // check again because it may have been set while we were blocking if ( mToken . length ( ) == 0 ) { final String url = "http://auth.cloudmade.com/token/" + mKey + "?userid=" + mAndroidId ; HttpURLConnection urlConnection = null ; BufferedReader br = null ; InputStreamReader is = null ; try { final URL urlToRequest = new URL ( url ) ; urlConnection = ( HttpURLConnection ) urlToRequest . openConnection ( ) ; urlConnection . setDoOutput ( true ) ; urlConnection . setRequestMethod ( "POST" ) ; urlConnection . setRequestProperty ( "Content-Type" , "application/x-www-form-urlencoded" ) ; urlConnection . setRequestProperty ( Configuration . getInstance ( ) . getUserAgentHttpHeader ( ) , Configuration . getInstance ( ) . getUserAgentValue ( ) ) ; for ( final Map . Entry < String , String > entry : Configuration . getInstance ( ) . getAdditionalHttpRequestProperties ( ) . entrySet ( ) ) { urlConnection . setRequestProperty ( entry . getKey ( ) , entry . getValue ( ) ) ; } urlConnection . connect ( ) ; if ( DEBUGMODE ) { Log . d ( IMapView . LOGTAG , "Response from Cloudmade auth: " + urlConnection . getResponseMessage ( ) ) ; } if ( urlConnection . getResponseCode ( ) == 200 ) { is = new InputStreamReader ( urlConnection . getInputStream ( ) , "UTF-8" ) ; br = new BufferedReader ( is , StreamUtils . IO_BUFFER_SIZE ) ; final String line = br . readLine ( ) ; if ( DEBUGMODE ) { Log . d ( IMapView . LOGTAG , "First line from Cloudmade auth: " + line ) ; } mToken = line . trim ( ) ; if ( mToken . length ( ) > 0 ) { mPreferenceEditor . putString ( CLOUDMADE_TOKEN , mToken ) ; mPreferenceEditor . commit ( ) ; // we don't need the editor any more mPreferenceEditor = null ; } else { Log . e ( IMapView . LOGTAG , "No authorization token received from Cloudmade" ) ; } } } catch ( final IOException e ) { Log . e ( IMapView . LOGTAG , "No authorization token received from Cloudmade: " + e ) ; } finally { if ( urlConnection != null ) try { urlConnection . disconnect ( ) ; } catch ( Exception ex ) { } if ( br != null ) try { br . close ( ) ; } catch ( Exception ex ) { } if ( is != null ) try { is . close ( ) ; } catch ( Exception ex ) { } } } } } return mToken ; }
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Get the token from the Cloudmade server .
| 634
| 9
|
152,898
|
private static double [ ] getStartEndPointsWE ( double west , double east , int zoom ) { double incrementor = getIncrementor ( zoom ) ; //brute force when zoom is less than 10 if ( zoom < 10 ) { double we_startpoint = Math . floor ( west ) ; double x = 180 ; while ( x > we_startpoint ) x = x - incrementor ; we_startpoint = x ; //System.out.println("WS " + we_startpoint); double ws_stoppoint = Math . ceil ( east ) ; x = - 180 ; while ( x < ws_stoppoint ) x = x + incrementor ; if ( we_startpoint < - 180 ) { we_startpoint = - 180 ; } if ( ws_stoppoint > 180 ) { ws_stoppoint = 180 ; } return new double [ ] { ws_stoppoint , we_startpoint } ; } else { //hmm start at origin, add inc until we go too far, then back off, go to the next zoom level double west_start_point = - 180 ; if ( west > 0 ) { west_start_point = 0 ; } double easter_stop_point = 180 ; if ( east < 0 ) { easter_stop_point = 0 ; } for ( int xx = 2 ; xx <= zoom ; xx ++ ) { double inc = getIncrementor ( xx ) ; while ( easter_stop_point > east + inc ) { easter_stop_point -= inc ; //System.out.println("east " + easter_stop_point); } while ( west_start_point < west - inc ) { west_start_point += inc ; if ( DEBUG ) { System . out . println ( "west " + west_start_point ) ; } } } if ( DEBUG ) { System . out . println ( "return EW set as " + west_start_point + " " + easter_stop_point ) ; } return new double [ ] { easter_stop_point , west_start_point } ; } }
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gets the start and stop point for a longitude line
| 458
| 11
|
152,899
|
public static void setDefaults ( ) { lineColor = Color . BLACK ; fontColor = Color . WHITE ; backgroundColor = Color . BLACK ; lineWidth = 1f ; fontSizeDp = 32 ; DEBUG = false ; DEBUG2 = false ; }
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resets the settings
| 53
| 4
|
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