Flutter-选取图库图片和拍照功能，选取视频和拍摄视频

1.先引入库image_picker

2.功能代码

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:image_picker/image_picker.dart';

void main() => runApp(selectImag());

class selectImag extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    // TODO: implement build

    return MaterialApp(
        home: Scaffold(
            body: Container(
      child: Column(
        children: [
          RaisedButton(
            onPressed: _takePhoto,
            child: Text("拍照"),
          ),
          RaisedButton(
            onPressed: _openGallery,
            child: Text("选择照片"),
          ),
        ],
      ),
    )));
  }
}
 

/*拍照*/
_takePhoto() async {
  var image = await ImagePicker.pickImage(source: ImageSource.camera);
  print('拍照返回：' + image.toString());
}

/*相册*/
_openGallery() async {
  var image = await ImagePicker.pickImage(source: ImageSource.gallery);
  print('相册返回：' + image.toString());
}

/*选取视频*/
_getVideo() async {
  var image = await ImagePicker.pickVideo(source: ImageSource.gallery);
  print('选取视频：' + image.toString());
}
/*拍摄视频*/
_takeVideo() async {
  var image = await ImagePicker.pickVideo(source: ImageSource.camera);
  print('拍摄视频：' + image.toString());
}