import 'dart:io';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter_colorpicker/flutter_colorpicker.dart';
import 'dart:ui' as ui;
class EditImage extends StatefulWidget {
final String filePath;
EditImage({this.filePath});
@override
_EditImageState createState() => _EditImageState();
}
class _EditImageState extends State<EditImage> {
ui.Image decodedImage;
String newFilePath;
GlobalKey myCanvasKey = GlobalKey();
ImageEditor editor;
Color color = Colors.blue;
@override
void initState() {
loadImage(File(widget.filePath));
super.initState();
}
void loadImage(File image) async {
final data = await image.readAsBytes();
decodedImage = await decodeImageFromList(data);
editor = ImageEditor(image: decodedImage, strokeColor: color);
setState(() {});
}
@override
Widget build(BuildContext context) …final dio = Dio();
try {
await dio.request(
'https://api.example.com/api/v1/auth/validateMobile',
data: {"phoneNo": "+91999999999"},
options: Options(
method: 'GET',
headers: {
HttpHeaders.authorizationHeader:
'Bearer $token',
'content-Type': 'application/json'
},
),
);
} on DioError catch (e) {
print(e);
}
I/flutter (16336): DioError [DioErrorType.response]: Http status error [401]
I/flutter (16336): #0 DioMixin.assureDioError (package:dio/src/dio_mixin.dart:819:20)
I/flutter (16336): #1 DioMixin._dispatchRequest (package:dio/src/dio_mixin.dart:678:13)
I/flutter (16336): <asynchronous suspension>
I/flutter (16336): #2 DioMixin.fetch.<anonymous closure>.<anonymous closure> (package:dio/src/dio_mixin.dart)
I/flutter (16336): <asynchronous suspension>
即使我使用正确的令牌传递授权标头，我仍收到 401 错误。感谢您的帮助。
每当我将文件选择器包添加到 pubspec.yaml 文件并重新运行应用程序时，我都会收到以下错误：
FAILURE：构建失败，出现异常。
执行com.android.build.gradle.internal.tasks.Workers$ActionFacade Android资源链接失败D:\MY_PROJECTS\flutter_projects\health_app\build\file_picker\intermediates\library_manifest\debug\AndroidManifest.xml:9:5 -15:15: AAPT: 错误: 在 .
尝试：使用 --stacktrace 选项运行以获取堆栈跟踪。使用 --info 或 --debug 选项运行以获得更多日志输出。使用 --scan 运行以获得完整的见解。
在https://help.gradle.org获取更多帮助
BUILD FAILED in 19s 构建失败可能是由于插件中的 AndroidX 不兼容。该工具即将尝试使用Jetfier来解决不兼容问题。构建插件 cloud_firestore... 正在运行 Gradle 任务 'assembleAarRelease'... 例外：由于上述问题，无法构建插件 cloud_firestore。
我在应用程序的发布版本中遇到黑屏问题，调试版本工作正常。当我在手机上安装并打开该应用程序的发行版时，它只显示黑屏，没有其他显示。
Doctor summary (to see all details, run flutter doctor -v):
[?] Flutter (Channel stable, 1.22.4, on Microsoft Windows [Version 10.0.18363.1198], locale en-US)
[?] Android toolchain - develop for Android devices (Android SDK version 30.0.0)
[?] Android Studio (version 3.6)
[?] Connected device (1 available)
• No issues found!
在构建 apk 的发布版本时，出现以下错误
Could not resolve all artifacts for configuration ':app:profileRuntimeClasspath'.
Failed to transform libs.jar to match attributes {artifactType=processed-jar, org.gradle.libraryelements=jar, org.gradle.usage=java-runtime}.
> Execution failed for JetifyTransform: D:\MY_PROJECTS\flutter_projects\sabr_health_app\build\app\intermediates\flutter\profile\libs.jar.
> Transform's input file …我正在处理底部导航栏，但我无法完全回到上一条路线。
如果我从底部导航栏视图项中选择两个以上的导航按钮，那么当我按下后退按钮时，它将关闭应用程序。
return Scaffold(
body: (_getBody(index, model)),
bottomNavigationBar: BottomNavigationBar(
backgroundColor: Colors.white,
selectedItemColor: Color(0xFFf5851f),
unselectedItemColor: Colors.grey,
type: BottomNavigationBarType.fixed,
currentIndex: index,
// onTap: (value) => setState(() => index = value),
onTap: (value) {
setState(() => index = value);
print(value);
},
items: [
BottomNavigationBarItem(
icon: Icon(Icons.restaurant),
title: Text('GMA', style: Theme.of(context).textTheme.body2)),
BottomNavigationBarItem(
icon: Icon(Icons.call),
title: Text('CALL ON ORDER',
style: Theme.of(context).textTheme.body2)),
BottomNavigationBarItem(
icon: Icon(Icons.notifications),
title:
Text('NOTIFICATION', style: Theme.of(context).textTheme.body2)),
BottomNavigationBarItem(
icon: Icon(Icons.shopping_cart),
title: Text('CART', style: Theme.of(context).textTheme.body2)),
//TextStyle(fontSize: 12, fontWeight: FontWeight.w600))),
],
),
Widget _getBody(int index, MainModel …