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More work with active fires

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This commit is contained in:
vjrj 2018-06-09 17:25:55 +02:00
parent 8e4e469eb8
commit ce2b65f1e0
5 changed files with 38 additions and 43 deletions
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53
lib/activeFires.dart
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@ -12,6 +12,7 @@ import 'package:collection/collection.dart' show lowerBound;
class _ActiveFiresPageState extends State<ActiveFiresPage> {
final GlobalKey<ScaffoldState> _scaffoldKey = new GlobalKey<ScaffoldState>();
// https://docs.flutter.io/flutter/dart-core/List-class.html
final List<BasicLocation> _saved = [];
int length;
@ -19,16 +20,20 @@ class _ActiveFiresPageState extends State<ActiveFiresPage> {
_ActiveFiresPageState();
Widget _buildRow(BasicLocation loc) {
String desc = loc.description != null ? loc.description:
'Position: ${loc.lat}, ${loc.lon}';
String desc = loc.description != null
? loc.description
: 'Position: ${loc.lat}, ${loc.lon}';
return new ListTile(
dense: false,
leading: const Icon(Icons.location_on),
// trailing: const Icon(Icons.delete),
title: new Text(desc),
onTap: () {
Navigator.push(context,
new MaterialPageRoute(builder: (context) => new GenericMap(title: desc, latitude: loc.lat, longitude: loc.lon)));
Navigator.push(
context,
new MaterialPageRoute(
builder: (context) => new GenericMap(
title: desc, latitude: loc.lat, longitude: loc.lon)));
});
}
@ -100,8 +105,6 @@ class _ActiveFiresPageState extends State<ActiveFiresPage> {
}
Future<BasicLocation> getUserLocation() async {
// FIXME do something with this
String error;
// Platform messages may fail, so we use a try/catch PlatformException.
try {
@ -112,16 +115,22 @@ class _ActiveFiresPageState extends State<ActiveFiresPage> {
// It seems that the lib fails with lat/lon values
return new BasicLocation(
lon: location['latitude'], lat: location['longitude']);
lat: location['latitude'], lon: location['longitude']);
} on PlatformException catch (e) {
if (e.code == 'PERMISSION_DENIED') {
_scaffoldKey.currentState.showSnackBar(new SnackBar(
content: new Text('We don\'t have permission to get your location'),
));
error = 'Permission denied';
} else if (e.code == 'PERMISSION_DENIED_NEVER_ASK') {
error =
'Permission denied - please ask the user to enable it from the app settings';
}
// FIXME
throw e;
_scaffoldKey.currentState.showSnackBar(new SnackBar(
content: new Text(
'I cannot get your current location. It\'s your ubication enabled?'),
));
return BasicLocation.noLocation;
}
}
@ -134,7 +143,7 @@ class _ActiveFiresPageState extends State<ActiveFiresPage> {
@override
Widget build(BuildContext context) {
print('Building Active Fires, saved $length');
final title = 'Active fires locations';
final title = 'Your locations';
return Scaffold(
key: _scaffoldKey,
drawer: new MainDrawer(context),
@ -211,29 +220,15 @@ class _ActiveFiresPageState extends State<ActiveFiresPage> {
void _saveLocation(Future<BasicLocation> location) {
location.then((newLocation) {
this.setState(() {
_saved.add(newLocation);
length = _saved.length;
});
if (newLocation != BasicLocation.noLocation)
this.setState(() {
_saved.add(newLocation);
length = _saved.length;
});
});
}
}
class MyDrawer extends StatelessWidget {
static final MyDrawer _drawer = new MyDrawer._internal();
factory MyDrawer() {
return _drawer;
}
MyDrawer._internal();
@override
Widget build(BuildContext context) {
return new Text("Drawer");
}
}
class ActiveFiresPage extends StatefulWidget {
static const String routeName = '/fires';