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import 'dart:io';
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import 'dart:typed_data';
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import 'dart:ui';
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import 'package:cached_network_image/cached_network_image.dart';
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import 'package:flutter/cupertino.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/rendering.dart';
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import 'package:flutter_screenutil/flutter_screenutil.dart';
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import 'package:image_gallery_saver/image_gallery_saver.dart';
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import 'package:one_key/provider/user_model.dart';
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import 'package:one_key/widgets/round_button.dart';
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import 'package:one_key/widgets/system_app_bar.dart';
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import 'package:one_key/widgets/v_empty_view.dart';
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import 'package:permission_handler/permission_handler.dart';
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import 'package:provider/provider.dart';
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import '../../../constant/state.dart';
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import '../../../provider/finance_provider.dart';
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import '../../../res/colors.dart';
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import '../../../utils/screen_util.dart';
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import '../../../utils/utils.dart';
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import '../../../widgets/h_empty_view.dart';
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import '../../../widgets/loading.dart';
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import 'dart:ui' as ui;
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/**
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* 收款码
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*/
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class PaymentCodePage extends StatefulWidget {
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const PaymentCodePage({super.key});
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@override
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State<PaymentCodePage> createState() => _PaymentCodePageState();
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}
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class _PaymentCodePageState extends State<PaymentCodePage> {
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FinanceProvider? financeProvider;
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final GlobalKey globalKey = GlobalKey();
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@override
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void initState() {
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super.initState();
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WidgetsBinding.instance.addPostFrameCallback((_) async {
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_createPayQrcode();
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});
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}
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_createPayQrcode() {
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financeProvider!.createPayQrcode(context);
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}
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/// 截图
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Future<Uint8List?> _capturePng(
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GlobalKey globalKey,
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// {
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// double pixelRatio = 2.0, //截屏的图片与原图的比例
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// }
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) async {
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try {
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RenderRepaintBoundary boundary =
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globalKey.currentContext?.findRenderObject() as RenderRepaintBoundary;
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double dpr = ui.window.devicePixelRatio; // 获取当前设备的像素比
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var image = await boundary.toImage(pixelRatio: dpr);
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ByteData? byteData = await image.toByteData(format: ImageByteFormat.png);
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Uint8List? pngBytes = byteData?.buffer.asUint8List();
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return pngBytes;
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} catch (e) {
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print(e);
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}
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return null;
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}
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@override
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Widget build(BuildContext context) {
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financeProvider = Provider.of<FinanceProvider>(context, listen: true);
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return Scaffold(
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appBar: SystemAppBar('门店收款码'),
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backgroundColor: MyColours.color_ffffff,
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body: Column(
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children: [
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Expanded(
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child: SingleChildScrollView(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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//二维码图片
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//
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RepaintBoundary(
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key: globalKey,
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child: Column(
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children: [
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Container(
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margin: EdgeInsets.symmetric(horizontal: w(57)),
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padding: EdgeInsets.symmetric(
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horizontal: w(25), vertical: w(35)),
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color: MyColours.color_09BB07,
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child: Column(
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children: [
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Text(
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'请使用微信扫一扫',
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style: TextStyle(
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color: MyColours.color_ffffff,
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fontSize: font(16),
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fontWeight: FontWeight.bold),
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),
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VEmptyView(20),
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Consumer<FinanceProvider>(
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builder: (context, model, _) {
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if (model.pageState != PageState.Success) {
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return Center(
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child: SizedBox(
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width: ScreenUtil().setWidth(80),
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height: ScreenUtil().setWidth(80),
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child:
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CupertinoActivityIndicator()),
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);
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} else {
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return Container(
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padding: EdgeInsets.symmetric(
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horizontal: w(21),
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vertical: w(16)),
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color: MyColours.color_ffffff,
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child: Column(
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children: [
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CachedNetworkImage(
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imageUrl: financeProvider!
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.paymentCodeUrl),
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// VEmptyView(28),
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Text(
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'${Provider.of<UserModel>(context).user!.sellername}',
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maxLines: 3,
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overflow: TextOverflow.ellipsis,
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style: TextStyle(
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color:
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MyColours.color_000000,
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fontSize: font(14)),
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)
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],
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));
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}
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})
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],
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),
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),
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Container(
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margin: EdgeInsets.symmetric(horizontal: w(57)),
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padding: EdgeInsets.symmetric(
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horizontal: w(25), vertical: w(11)),
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decoration: BoxDecoration(
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color: MyColours.color_ffffff,
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border: Border.all(
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color: MyColours.color_09BB07,
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width: w(2))),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Image.asset(
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Utils.getImgPath('vector'),
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width: w(37),
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),
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HEmptyView(12),
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Text(
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'微信支付',
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style: TextStyle(
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color: MyColours.color_515151,
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fontSize: font(28)),
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)
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],
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)),
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],
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)),
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VEmptyView(160),
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Padding(
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padding: EdgeInsets.symmetric(horizontal: w(16)),
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child: Text(
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'提示：',
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textAlign: TextAlign.left,
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style: TextStyle(
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fontSize: w(16),
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height: 1.5,
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fontWeight: FontWeight.bold,
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color: MyColours.color_000000),
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)),
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Padding(
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padding: EdgeInsets.symmetric(horizontal: w(16)),
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child: Text(
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'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。',
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textAlign: TextAlign.left,
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style: TextStyle(
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fontSize: w(14),
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height: 1.5,
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color: MyColours.color_000000),
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))
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],
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),
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),
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),
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Container(
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padding: EdgeInsets.symmetric(vertical: w(13), horizontal: w(79)),
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child: RoundButton(
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text: '保存收款码图片',
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height: w(43),
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radius: r(5),
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gradientStart: MyColours.color_ffffff,
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gradientEnd: MyColours.color_ffffff,
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borderColor: MyColours.color_438E93,
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textColor: MyColours.color_438E93,
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isBold: true,
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fontSize: 32,
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onPressed: () {
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Utils.getPickPermission(context, () async {
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//获取截屏图像
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//添加到图片数组中
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Loading.showLoading(
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context,
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);
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Uint8List? value = await _capturePng(globalKey);
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if (value != null) {
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print(value);
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final result = await ImageGallerySaver.saveImage(value,
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quality: 100);
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if (result != null) {
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Utils.showToast("保存成功");
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} else {
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print('error');
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Utils.showToast("保存失败");
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// toast("");
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}
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Loading.hideLoading(context);
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// setState(() {});
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}
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}, Platform.isIOS ? Permission.photos : Permission.storage);
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},
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),
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)
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],
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));
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}
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} |
...
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...
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