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update example

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This commit is contained in:
Mark Hu 2020-12-30 15:16:45 +08:00
parent 135ac1deeb
commit 623e9f2f58
2 changed files with 67 additions and 13 deletions
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example/assets/panorama2.webp Normal file
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78
example/lib/main.dart
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@ -1,4 +1,3 @@
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:panorama/panorama.dart';
import 'package:image_picker/image_picker.dart';
@ -26,10 +25,35 @@ class MyHomePage extends StatefulWidget {
}
class _MyHomePageState extends State<MyHomePage> {
File _imageFile;
double _lon = 0;
double _lat = 0;
double _tilt = 0;
int _panoId = 0;
List<Image> panoImages = [
Image.asset('assets/panorama.jpg'),
Image.asset('assets/panorama2.webp'),
];
Widget hotspotButton({String text, IconData icon, VoidCallback onPressed}) {
return Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
FlatButton(
shape: CircleBorder(),
color: Colors.black38,
child: Icon(icon),
onPressed: onPressed,
),
text != null
? Container(
padding: EdgeInsets.all(4.0),
decoration: BoxDecoration(color: Colors.black38, borderRadius: BorderRadius.all(Radius.circular(4))),
child: Center(child: Text(text)),
)
: Container(),
],
);
}
@override
Widget build(BuildContext context) {
@ -49,13 +73,39 @@ class _MyHomePageState extends State<MyHomePage> {
_tilt = tilt;
});
},
child: _imageFile != null ? Image.file(_imageFile) : Image.asset('assets/panorama.jpg'),
hotspots: [
Hotspot(latitude: -42.0, longitude: -46.0, widget: FloatingActionButton(child: Icon(Icons.search), tooltip: "flowers", onPressed: () {})),
Hotspot(latitude: -11.0, longitude: -129.0, widget: FloatingActionButton(child: Icon(Icons.open_in_browser), onPressed: () {})),
Hotspot(latitude: -33.0, longitude: 123.0, widget: FloatingActionButton(child: Icon(Icons.arrow_upward), onPressed: () {})),
Hotspot(latitude: -23.0, longitude: 23.0, widget: FloatingActionButton(child: Icon(Icons.double_arrow), onPressed: () {})),
Hotspot(latitude: -28.0, longitude: 77.0, widget: FloatingActionButton(child: Icon(Icons.apps), onPressed: () {})),
child: panoImages[_panoId % panoImages.length],
hotspots: _panoId % panoImages.length == 0
? [
Hotspot(
latitude: -15.0,
longitude: -129.0,
width: 90,
height: 75,
widget: hotspotButton(text: "Next scene", icon: Icons.open_in_browser, onPressed: () => setState(() => _panoId++)),
),
Hotspot(
latitude: -42.0,
longitude: -46.0,
width: 60.0,
height: 60.0,
widget: hotspotButton(icon: Icons.search, onPressed: () {}),
),
Hotspot(
latitude: -33.0,
longitude: 123.0,
width: 60.0,
height: 60.0,
widget: hotspotButton(icon: Icons.arrow_upward, onPressed: () {}),
),
]
: [
Hotspot(
latitude: 0.0,
longitude: 160.0,
width: 90.0,
height: 75.0,
widget: hotspotButton(text: "Next scene", icon: Icons.double_arrow, onPressed: () => setState(() => _panoId++)),
),
],
),
Text('${_lon.toStringAsFixed(3)}, ${_lat.toStringAsFixed(3)}, ${_tilt.toStringAsFixed(3)}'),
@ -63,9 +113,13 @@ class _MyHomePageState extends State<MyHomePage> {
),
floatingActionButton: FloatingActionButton(
mini: true,
onPressed: () async {
_imageFile = await ImagePicker.pickImage(source: ImageSource.gallery);
setState(() {});
onPressed: () {
ImagePicker.pickImage(source: ImageSource.gallery).then((value) {
setState(() {
panoImages.add(Image.file(value));
_panoId = panoImages.length - 1;
});
});
},
child: Icon(Icons.panorama),
),