{"id":21468,"date":"2021-05-21T05:36:45","date_gmt":"2021-05-21T05:36:45","guid":{"rendered":"https:\/\/www.devopsschool.com\/blog\/?p=21468"},"modified":"2021-05-21T05:46:53","modified_gmt":"2021-05-21T05:46:53","slug":"flutter-cannot-run-with-sound-null-safety-because-the-following-dependencies-dont-support-null-safety","status":"publish","type":"post","link":"https:\/\/www.devopsschool.com\/blog\/flutter-cannot-run-with-sound-null-safety-because-the-following-dependencies-dont-support-null-safety\/","title":{"rendered":"[SOLVED] Flutter : Cannot run with sound null safety, because the following dependencies don&#8217;t support null safety"},"content":{"rendered":"\n<h2 class=\"has-text-align-center wp-block-heading\"><span class=\"has-inline-color has-vivid-red-color\">Problem<\/span><\/h2>\n\n\n\n<p>I&#8217;m using <code>flutter_recaptcha_v2:&nbsp;^0.1.0.<\/code> Now, I am trying to run it using&nbsp;<code>flutter run<\/code>, however, it will not start because of the following error:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-1\" data-shcb-language-name=\"HTML, XML\" data-shcb-language-slug=\"xml\"><span><code class=\"hljs language-xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">span<\/span> <span class=\"hljs-attr\">class<\/span>=<span class=\"hljs-string\">\"has-inline-color has-vivid-red-color\"<\/span>&gt;<\/span>Error: Cannot run with sound null safety, because the following dependencies\ndon't support null safety:\n\n- package:flutter_recaptcha_v2\n- package:webview_flutter\n- package:http\n- package:http_parser\n\nFor solutions, see https:\/\/dart.dev\/go\/unsound-null-safety\nFAILURE: Build failed with an exception.\n\n* Where:\nScript 'C:\\src\\flutter\\packages\\flutter_tools\\gradle\\flutter.gradle' line: 1035\n\n* What went wrong:\nExecution failed for task ':app:compileFlutterBuildDebug'.\n&gt; Process 'command 'C:\\src\\flutter\\bin\\flutter.bat'' finished with non-zero exit value 1\n\n* Try:\nRun with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.\n\n* Get more help at https:\/\/help.gradle.org\n\nBUILD FAILED in 21s\nException: Gradle task assembleDebug failed with exit code 1\nExited (sigterm)\n<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">span<\/span>&gt;<\/span><\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-1\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">HTML, XML<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">xml<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<h2 class=\"has-text-align-center wp-block-heading\"><span class=\"has-inline-color has-vivid-red-color\">Solution<\/span><\/h2>\n\n\n\n<p>If you want run your project with&nbsp;<code>--no-sound-null-safety<\/code>&nbsp;so now you add this line your&nbsp;<code>main.dart<\/code>&nbsp;file in top(first line) with comment..<\/p>\n\n\n\n<p><code>\/\/ @dart=2.9<\/code><\/p>\n\n\n\n<p>then run your project.<\/p>\n\n\n\n<p>Thanks for reading.<\/p>\n\n\n\n<p>Keep Coding.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/professnow.com\/blog\/wp-content\/uploads\/2021\/01\/Keep_coding.gif\" alt=\"\" class=\"wp-image-26\" \/><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Problem I&#8217;m using flutter_recaptcha_v2:&nbsp;^0.1.0. Now, I am trying to run it using&nbsp;flutter run, however, it will not start because of the following error: Solution If you want run your project&#8230; <\/p>\n","protected":false},"author":19,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[6331],"tags":[5825,6204,6644,6203,6490,6492,6642,6643],"class_list":["post-21468","post","type-post","status-publish","format-standard","hentry","category-flutter","tag-android","tag-android-studio","tag-dont-support-null-safety","tag-flutter","tag-flutter-error","tag-flutter-exception","tag-null-safety","tag-sound-null-safety"],"_links":{"self":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/21468","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/users\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/comments?post=21468"}],"version-history":[{"count":3,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/21468\/revisions"}],"predecessor-version":[{"id":21508,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/21468\/revisions\/21508"}],"wp:attachment":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/media?parent=21468"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/categories?post=21468"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/tags?post=21468"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}