question: public final ArrayList < PositionRecord > loadPositions ( final int session , final Double minLat , final Double maxLat , final Double minLon , final Double maxLon ) { final ArrayList < PositionRecord > positions = new ArrayList < > ( ) ; String selection = Schema . COL_SESSION_ID + " = ?" ; Cursor cursor = null ; List < String > selectionArgs = null ; if ( minLat != null & maxLat != null && minLon != null && maxLon != null ) { selectionArgs = new ArrayList < > ( ) ; selectionArgs . add ( String . valueOf ( session ) ) ; selectionArgs . add ( String . valueOf ( minLat ) ) ; selectionArgs . add ( String . valueOf ( maxLat ) ) ; selectionArgs . add ( String . valueOf ( minLon ) ) ; selectionArgs . add ( String . valueOf ( maxLon ) ) ; selection += "AND (" + Schema . COL_LATITUDE + " > ? AND " + Schema . COL_LATITUDE + " < ?) AND (" + Schema . COL_LONGITUDE + " > ? AND " + Schema . COL_LONGITUDE + " < ?)" ; cursor = contentResolver . query ( ContentProvider . CONTENT_URI_POSITION , null , selection , selectionArgs . toArray ( new String [ 0 ] ) , Schema . COL_TIMESTAMP ) ; } else { Log . v ( TAG , "No boundaries provided, loading all positions" ) ; cursor = contentResolver . query ( ContentProvider . CONTENT_URI_POSITION , null , null , null , Schema . COL_TIMESTAMP ) ; } while ( cursor . moveToNext ( ) ) { positions . add ( positionFromCursor ( cursor ) ) ; } cursor . close ( ) ; return positions ; }
target:  Loads positions within certain arrea