145 lines
3.7 KiB
Dart
145 lines
3.7 KiB
Dart
import 'package:chat/configs/app_colors.dart';
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import 'package:chat/routes/user_routes.dart';
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import 'package:chat/utils/ui_tools.dart';
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import 'package:flutter/material.dart';
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import 'package:get/get.dart';
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import 'package:scan/scan.dart';
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import 'package:wechat_assets_picker/wechat_assets_picker.dart';
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class ScanPage extends StatefulWidget {
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const ScanPage({Key? key}) : super(key: key);
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@override
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_ScanPageState createState() => _ScanPageState();
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}
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class _ScanPageState extends State<ScanPage> {
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final ScanController _scanController = ScanController();
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bool flashState = false;
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/// 统一处理扫码结果，可能是扫码的，也可能是相册的
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void parseScanResult(String str) {
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List<String> split = str.split('|');
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switch (split.first) {
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case 'TRANSFER':
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// 处理扫码转账
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Get.back(result: split.last);
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break;
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case 'BEFRIEND':
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// 加好友
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break;
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case 'JOINGROUP':
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// 加群
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break;
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default:
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UiTools.toast(str);
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}
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}
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@override
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Widget build(BuildContext context) {
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return Stack(
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children: [
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ScanView(
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controller: _scanController,
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scanAreaScale: 0.7,
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scanLineColor: AppColors.primary,
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onCapture: (String data) {
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parseScanResult(data);
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},
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),
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AppBar(
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backgroundColor: AppColors.transparent,
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foregroundColor: AppColors.white,
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),
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Positioned(
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left: 16,
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right: 16,
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bottom: 32,
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceAround,
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children: [
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_actionItem(
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'我的',
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Icons.qr_code,
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() {
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Get.toNamed(UserRoutes.qrCode);
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},
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),
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_actionItem(
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'手电筒',
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flashState ? Icons.flash_on : Icons.flash_off,
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() {
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setState(() {
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_scanController.toggleTorchMode();
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flashState = !flashState;
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});
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},
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),
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_actionItem(
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'相册',
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Icons.image,
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() async {
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final result = await AssetPicker.pickAssets(
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Get.context!,
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pickerConfig: const AssetPickerConfig(
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maxAssets: 1,
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requestType: RequestType.image,
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),
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);
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if (result == null) {
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return;
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}
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var text = await Scan.parse((await result.first.file)!.path);
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if (text == null) {
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UiTools.toast('二维码识别失败');
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}
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parseScanResult(text!);
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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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Widget _actionItem(String text, IconData icon, VoidCallback onTap) {
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return InkWell(
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onTap: () {
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onTap.call();
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},
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child: Column(
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children: [
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Container(
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padding: const EdgeInsets.all(8),
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decoration: BoxDecoration(
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color: AppColors.white.withOpacity(0.4),
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borderRadius: BorderRadius.circular(32),
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),
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child: Icon(
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icon,
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color: AppColors.white,
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size: 24,
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),
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),
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const SizedBox(height: 4),
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Text(
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text,
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style: const TextStyle(
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color: AppColors.white,
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fontSize: 12,
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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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