Closed as not planned
Description
Package
other
Bug Description
i have download a file From Maptiler
Region of alaska
while i am fetchinf data from file its retrived Mbbtile data
when i am showing these tile on map
its showing me Blank map
Steps to Reproduce
Download file from Map Tiler
Store in assets file
fetch file data and show in mbbtile
Future getData() async {
// Load asset as byte data
final byteData = await rootBundle.load('assets/osm.mbtiles');
// Get temp or document directory
final tempDir = await getTemporaryDirectory();
final filePath = p.join(tempDir.path, 'alaska-lates.osm.pbf');
// Write to a real file
final file = File(filePath);
await file.writeAsBytes(byteData.buffer.asUint8List());
print("File copied to: $filePath");
print("${file.lengthSync()}");
// Use this file path now
final mbtiles = MbTiles(mbtilesPath: filePath, gzip: false);
tiles = mbtiles;
log("meta Data ${tiles!.getMetadata()}");
setState(() {
});
}
Expected Results
Its need to render the map.
Actual Results
Blank map appear
Code Sample
class _TileLayersViewState extends State<TileLayersView> {
MbTiles? tiles;
Future<void> getData() async {
final byteData = await rootBundle.load('assets/osm.mbtiles');
final tempDir = await getTemporaryDirectory();
final filePath = p.join(tempDir.path, 'osm.mbtiles');
final file = File(filePath);
await file.writeAsBytes(byteData.buffer.asUint8List());
print("File copied to: $filePath");
final mbtiles = MbTiles(mbtilesPath: filePath, gzip: false);
await mbtiles.ready; // Ensure it's initialized
// Optional: print metadata
final metadata = await mbtiles.getMetadata();
print("Metadata: $metadata");
setState(() {
tiles = mbtiles;
});
}
@override
void initState() {
super.initState();
getData();
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: const Text('MBTiles Viewer')),
body: tiles == null
? const Center(child: CircularProgressIndicator())
: FlutterMap(
options: MapOptions(
minZoom: 4,
maxZoom: 14,
initialZoom: 5,
initialCenter: const LatLng(61.398675, -154.8751),
),
children: [
TileLayer(
tileProvider: MbTilesTileProvider(mbtiles: tiles!),
urlTemplate: '', // Unused, but required
),
],
),
);
}
}
Platforms
all