plan_dish_qrcode_page.dart
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import 'dart:io';
import 'dart:typed_data';
import 'package:cached_network_image/cached_network_image.dart';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:image_gallery_saver/image_gallery_saver.dart';
import 'package:one_key/provider/plan_dish_provider.dart';
import 'package:one_key/provider/user_model.dart';
import 'package:one_key/res/colors.dart';
import 'package:one_key/utils/screen_util.dart';
import 'package:one_key/utils/utils.dart';
import 'package:one_key/widgets/loading.dart';
import 'package:one_key/widgets/round_button.dart';
import 'package:one_key/widgets/system_app_bar.dart';
import 'package:one_key/widgets/v_empty_view.dart';
import 'package:permission_handler/permission_handler.dart';
import 'package:provider/provider.dart';
import 'dart:ui' as ui;
/**
*
*
* 套餐排菜分享二维码
*
*
*/
class PlanDishQrcodePage extends StatefulWidget {
final String qrcode;
const PlanDishQrcodePage({super.key, required this.qrcode});
@override
State<PlanDishQrcodePage> createState() => _PlanDishQrcodePageState();
}
class _PlanDishQrcodePageState extends State<PlanDishQrcodePage> {
final GlobalKey globalKey = GlobalKey();
late PlanDishProvider planDishProvider;
// _createPayQrcode() {
// financeProvider!.createPayQrcode(context);
// }
/// 截图
Future<Uint8List?> _capturePng(
GlobalKey globalKey,
// {
// double pixelRatio = 2.0, //截屏的图片与原图的比例
// }
) async {
try {
RenderRepaintBoundary boundary =
globalKey.currentContext?.findRenderObject() as RenderRepaintBoundary;
double dpr = ui.window.devicePixelRatio; // 获取当前设备的像素比
var image = await boundary.toImage(pixelRatio: dpr);
ByteData? byteData =
await image.toByteData(format: ui.ImageByteFormat.png);
Uint8List? pngBytes = byteData?.buffer.asUint8List();
return pngBytes;
} catch (e) {
print(e);
}
return null;
}
@override
Widget build(BuildContext context) {
planDishProvider = Provider.of<PlanDishProvider>(context, listen: true);
return Scaffold(
appBar: SystemAppBar('店铺套餐分享'),
backgroundColor: MyColours.color_ffffff,
body: Column(
children: [
Expanded(
child: SingleChildScrollView(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
VEmptyView(100),
//二维码图片
//
RepaintBoundary(
key: globalKey,
child: Column(
children: [
Container(
margin: EdgeInsets.symmetric(horizontal: w(57)),
padding: EdgeInsets.symmetric(
horizontal: w(25), vertical: w(35)),
color: MyColours.color_438E93,
child: Column(
children: [
Text(
'微信扫码查看店铺套餐',
style: TextStyle(
color: MyColours.color_ffffff,
fontSize: font(16),
fontWeight: FontWeight.bold),
),
VEmptyView(20),
Container(
padding: EdgeInsets.symmetric(
horizontal: w(21), vertical: w(16)),
color: MyColours.color_ffffff,
child: Column(
children: [
CachedNetworkImage(
imageUrl:
widget.qrcode ?? ''),
// VEmptyView(28),
Text(
'${Provider.of<UserModel>(context).user!.sellername}',
maxLines: 3,
overflow: TextOverflow.ellipsis,
style: TextStyle(
color: MyColours.color_000000,
fontSize: font(14)),
),
// VEmptyView(28),
// Text(
// '消费金：￥${widget.data.amount}',
// maxLines: 3,
// overflow: TextOverflow.ellipsis,
// style: TextStyle(
// color: MyColours.color_000000,
// fontSize: font(14)),
// ),
],
))
],
),
),
// Container(
// margin: EdgeInsets.symmetric(horizontal: w(57)),
// padding: EdgeInsets.symmetric(
// horizontal: w(25), vertical: w(11)),
// decoration: BoxDecoration(
// color: MyColours.color_ffffff,
// border: Border.all(
// color: MyColours.color_09BB07,
// width: w(2))),
// child: Row(
// mainAxisAlignment: MainAxisAlignment.center,
// children: [
// Image.asset(
// Utils.getImgPath('vector'),
// width: w(37),
// ),
// HEmptyView(12),
// Text(
// '微信支付',
// style: TextStyle(
// color: MyColours.color_515151,
// fontSize: font(28)),
// )
// ],
// )),
],
)),
VEmptyView(160),
// Padding(
// padding: EdgeInsets.symmetric(horizontal: w(16)),
// child: Text(
// '提示：',
// textAlign: TextAlign.left,
// style: TextStyle(
// fontSize: w(16),
// height: 1.5,
// fontWeight: FontWeight.bold,
// color: MyColours.color_000000),
// )),
// Padding(
// padding: EdgeInsets.symmetric(horizontal: w(16)),
// child: Text(
// '请将收款码出示给顾客，顾客扫码支付时可以自动识别拥有的代金券，并自动在餐厅设定的规则下使用。',
// textAlign: TextAlign.left,
// style: TextStyle(
// fontSize: w(14),
// height: 1.5,
// color: MyColours.color_000000),
// ))
],
),
),
),
Container(
padding: EdgeInsets.symmetric(vertical: w(13), horizontal: w(79)),
child: RoundButton(
text: '保存二维码图片',
height: w(43),
radius: r(5),
gradientStart: MyColours.color_ffffff,
gradientEnd: MyColours.color_ffffff,
borderColor: MyColours.color_438E93,
textColor: MyColours.color_438E93,
isBold: true,
fontSize: 32,
onPressed: () {
Utils.getPickPermission(context, () async {
//获取截屏图像
//添加到图片数组中
Loading.showLoading(
context,
);
Uint8List? value = await _capturePng(globalKey);
if (value != null) {
print(value);
final result = await ImageGallerySaver.saveImage(value,
quality: 100);
if (result != null) {
Utils.showToast("保存成功");
} else {
print('error');
Utils.showToast("保存失败");
// toast("");
}
Loading.hideLoading(context);
// setState(() {});
}
}, Platform.isIOS ? Permission.photos : Permission.storage);
},
),
)
],
));
}
}