{"id":1170,"date":"2018-07-23T17:03:13","date_gmt":"2018-07-23T15:03:13","guid":{"rendered":"http:\/\/blog.via-internet.de\/?p=1170"},"modified":"2022-06-27T14:33:29","modified_gmt":"2022-06-27T12:33:29","slug":"flutter-troubleshooting","status":"publish","type":"post","link":"https:\/\/via-internet.de\/blog\/2018\/07\/23\/flutter-troubleshooting\/","title":{"rendered":"Flutter | Troubleshooting"},"content":{"rendered":"\n

Basic<\/h2>\n\n\n\n

flutter doctor<\/h3>\n\n\n\n

Error: Exception: Bad UTF-8 encoding<\/h5>\n\n\n\n
\"\"<\/figure>\n\n\n\n
Solution: Use the current version of vswhere<\/code><\/h6>\n\n\n\n

Download from: https:\/\/github.com\/microsoft\/vswhere\/releases<\/a><\/p>\n\n\n\n

Store\/overwrite: C:\\Program Files (x86)\\Microsoft Visual Studio\\Installer\\vswhere.exe<\/code><\/p>\n\n\n\n

PS> Set-Location \"C:\\Program Files (x86)\\Microsoft Visual Studio\\Installer\"                                                                                                                                              \nPS> Move-Item vswhere.exe vswhere.exe.original\nPS> Invoke-WebRequest https:\/\/github.com\/microsoft\/vswhere\/releases\/download\/3.0.3\/vswhere.exe -O vswhere.exe<\/pre>\n\n\n\n
Null safety features are disabled for this library.<\/h5>\n\n\n\n
lib\/main.dart:8:19: Error: Null safety features are disabled for this library.\nTry removing the package language version or setting the language version to 2.12 or higher.\n  const MyApp({Key? key}) : super(key: key);<\/pre>\n\n\n\n
Solution: Edit pubspec.yaml<\/h6>\n\n\n\n
environment:\n  sdk: '>=2.17.3 <3.0.0'<\/pre>\n\n\n\n
<\/p>\n\n\n\n
Migration Dart Plugins<\/h2>\n\n\n\n
\n
import 'package:flutter\/services.dart';\nclient =createHttpClient();<\/pre>\n
 <\/p>\n<\/div>\n\n\n\n
import 'package:http\/http.dart' as http;\nclient = new http.Client();<\/pre>\n\n\n\n
Your app is not using AndroidX<\/h3>\n\n\n\n
GoTo Flutter_Project -> android -> gradle.properties<\/strong> file. Open the gradle.properties<\/strong> file in any Text editor. <\/p>\n\n\n\n
Add below lines in this file and Save the file.<\/p>\n\n\n\n
android.useAndroidX=true\nandroid.enableJetifier=true<\/pre>\n\n\n\n
Open your Flutter Project Root directory in Command Prompt or Terminal and execute<\/p>\n\n\n\n
flutter clean<\/pre>\n","protected":false},"excerpt":{"rendered":"
Basic flutter doctor Error: Exception: Bad UTF-8 encoding Solution: Use the current version of vswhere Download from: https:\/\/github.com\/microsoft\/vswhere\/releases Store\/overwrite: C:\\Program Files (x86)\\Microsoft Visual Studio\\Installer\\vswhere.exe Null safety features are disabled for this library. Solution: Edit pubspec.yaml Migration Dart Plugins import ‘package:flutter\/services.dart’; client =createHttpClient();   Your app is not using AndroidX GoTo Flutter_Project -> android -> gradle.properties file. Open the gradle.properties file in any Text editor. Add below lines in this file and Save the file. Open your Flutter Project Root directory in Command Prompt or Terminal and execute<\/p>\n","protected":false},"author":1,"featured_media":9075,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[26],"tags":[],"class_list":["post-1170","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-flutter"],"jetpack_featured_media_url":"https:\/\/via-internet.de\/blog\/wp-content\/uploads\/2018\/07\/Preview-Flutter-Troubleshooting.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/via-internet.de\/blog\/wp-json\/wp\/v2\/posts\/1170","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/via-internet.de\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/via-internet.de\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/via-internet.de\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/via-internet.de\/blog\/wp-json\/wp\/v2\/comments?post=1170"}],"version-history":[{"count":5,"href":"https:\/\/via-internet.de\/blog\/wp-json\/wp\/v2\/posts\/1170\/revisions"}],"predecessor-version":[{"id":9162,"href":"https:\/\/via-internet.de\/blog\/wp-json\/wp\/v2\/posts\/1170\/revisions\/9162"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/via-internet.de\/blog\/wp-json\/wp\/v2\/media\/9075"}],"wp:attachment":[{"href":"https:\/\/via-internet.de\/blog\/wp-json\/wp\/v2\/media?parent=1170"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/via-internet.de\/blog\/wp-json\/wp\/v2\/categories?post=1170"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/via-internet.de\/blog\/wp-json\/wp\/v2\/tags?post=1170"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}