使用庫：image_picker
在pubspec.yaml中導(dǎo)入：
dependencies:
#相機(jī)、相冊
image_picker: ^0.6.3+1
示例代碼：
import 'package:flutter/material.dart';
void main() => runApp(ImagePick());
//相機(jī)止状、相冊
import 'package:image_picker/image_picker.dart';
class ImagePick extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: ImagePickPage(),
);
}
}
class ImagePickPage extends StatefulWidget {
@override
ImagePickPageState createState() => ImagePickPageState();
}
class ImagePickPageState extends State<ImagePickPage> {
var _imgPath;
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text("ImagePicker9"),
),
body: SingleChildScrollView(
child: Column(
children: <Widget>[
_imageView(_imgPath),
RaisedButton(
onPressed: _takePhoto,
child: Text("拍照"),
),
RaisedButton(
onPressed: _openGallery,
child: Text("選擇照片"),
),
RaisedButton(
onPressed: _takeVideo,
child: Text("視頻"),
),
],
),
));
}
/*圖片控件*/
Widget _imageView(imgPath) {
if (imgPath == null) {
return Center(
child: Text("請(qǐng)選擇圖片或拍照"),
);
} else {
return Image.file(
imgPath,
);
}
}
/*拍照*/
_takePhoto() async {
var image = await ImagePicker.pickImage(source: ImageSource.camera);
setState(() {
_imgPath = image;
});
}
/*拍視頻*/
_takeVideo() async {
var image = await ImagePicker.pickVideo(source: ImageSource.camera);
setState(() {
_imgPath = image;
});
}
/*相冊*/
_openGallery() async {
var image = await ImagePicker.pickImage(source: ImageSource.gallery);
setState(() {
_imgPath = image;
});
}
}
