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feat: add mbtiles tile provider for flutter_map (#21)
* add flutter_map_mbtiles package * add files * fix errors * update example page * add doc strings * mbtiles example: support for non desktop plattforms * update readme files * disabled banner for example app * add tests * don't expose the mbtiles package * add `silenceTileNotFound` parameter * bump dependencies - mbtiles - codecov workflow * add examples, sort example cards alphabetically * add `silenceTileNotFound` param, only dispose if created internally * fix example * disable vector_map_tiles_pmtiles on web vector_map_tiles is not compatible with web * small fixes in docs, examples and tests * more fixes in docs * update vector_map_tiles_mbtiles * add flutter_map_mbtiles * remove vector_map_tiles_mbtiles * Update main.dart * Update pubspec.yaml * score packages one by one * fix git url * mbtiles ^0.3.1
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| import 'dart:io'; | ||
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| import 'package:flutter/services.dart'; | ||
| import 'package:path_provider/path_provider.dart'; | ||
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| /// This function copies an asset file from the asset bundle to the temporary | ||
| /// app directory. | ||
| /// | ||
| /// **It is not recommended to use this in production and for larger files.** | ||
| /// Instead download your files from a web server or s3 storage. | ||
| Future<File> copyAssetToFile(String assetFile) async { | ||
| final tempDir = await getTemporaryDirectory(); | ||
| final filename = assetFile.split('/').last; | ||
| final file = File('${tempDir.path}/$filename'); | ||
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| final data = await rootBundle.load(assetFile); | ||
| await file.writeAsBytes( | ||
| data.buffer.asUint8List(data.offsetInBytes, data.lengthInBytes), | ||
| flush: true, | ||
| ); | ||
| return file; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:flutter_map/flutter_map.dart'; | ||
| import 'package:flutter_map_mbtiles/flutter_map_mbtiles.dart'; | ||
| import 'package:flutter_map_plugins_example/common/utils.dart'; | ||
| import 'package:latlong2/latlong.dart'; | ||
| import 'package:mbtiles/mbtiles.dart'; | ||
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| class FlutterMapMbTilesPage extends StatefulWidget { | ||
| const FlutterMapMbTilesPage({super.key}); | ||
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| @override | ||
| State<FlutterMapMbTilesPage> createState() => _FlutterMapMbTilesPageState(); | ||
| } | ||
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| class _FlutterMapMbTilesPageState extends State<FlutterMapMbTilesPage> { | ||
| final Future<MbTiles> _futureMbtiles = _initMbtiles(); | ||
| MbTiles? _mbtiles; | ||
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| static Future<MbTiles> _initMbtiles() async { | ||
| // This function copies an asset file from the asset bundle to the temporary | ||
| // app directory. | ||
| // It is not recommended to use this in production. Instead download your | ||
| // mbtiles file from a web server or object storage. | ||
| final file = await copyAssetToFile( | ||
| 'assets/mbtiles/countries-raster.mbtiles', | ||
| ); | ||
| return MbTiles(mbtilesPath: file.path); | ||
| } | ||
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| @override | ||
| Widget build(BuildContext context) { | ||
| return Scaffold( | ||
| appBar: AppBar( | ||
| backgroundColor: Colors.white, | ||
| title: const Text('flutter_map_mbtiles'), | ||
| ), | ||
| body: FutureBuilder<MbTiles>( | ||
| future: _futureMbtiles, | ||
| builder: (context, snapshot) { | ||
| if (snapshot.hasData) { | ||
| _mbtiles = snapshot.data; | ||
| final metadata = _mbtiles!.getMetadata(); | ||
| return Column( | ||
| children: <Widget>[ | ||
| Padding( | ||
| padding: const EdgeInsets.all(12), | ||
| child: Text( | ||
| 'MBTiles Name: ${metadata.name}, ' | ||
| 'Format: ${metadata.format}', | ||
| ), | ||
| ), | ||
| Expanded( | ||
| child: FlutterMap( | ||
| options: const MapOptions( | ||
| minZoom: 0, | ||
| maxZoom: 6, | ||
| initialZoom: 2, | ||
| initialCenter: LatLng(49, 9), | ||
| ), | ||
| children: [ | ||
| TileLayer( | ||
| tileProvider: MbTilesTileProvider( | ||
| mbtiles: _mbtiles!, | ||
| silenceTileNotFound: true, | ||
| ), | ||
| ), | ||
| ], | ||
| ), | ||
| ), | ||
| ], | ||
| ); | ||
| } | ||
| if (snapshot.hasError) { | ||
| return Center(child: Text(snapshot.error.toString())); | ||
| } | ||
| return const Center(child: CircularProgressIndicator()); | ||
| }, | ||
| ), | ||
| ); | ||
| } | ||
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| @override | ||
| void dispose() { | ||
| // close the open database connection | ||
| _mbtiles?.dispose(); | ||
| super.dispose(); | ||
| } | ||
| } |
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| ## [1.0.0] 2024-mm-dd | ||
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| - Initial release |
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| MIT License | ||
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| Copyright (c) 2024 Joscha Eckert (josxha) | ||
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| Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| of this software and associated documentation files (the "Software"), to deal | ||
| in the Software without restriction, including without limitation the rights | ||
| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| copies of the Software, and to permit persons to whom the Software is | ||
| furnished to do so, subject to the following conditions: | ||
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| The above copyright notice and this permission notice shall be included in all | ||
| copies or substantial portions of the Software. | ||
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| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| SOFTWARE. |
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