{"id":479,"date":"2021-05-17T07:01:04","date_gmt":"2021-05-17T07:01:04","guid":{"rendered":"https:\/\/professnow.com\/blog\/?p=479"},"modified":"2021-05-17T07:01:04","modified_gmt":"2021-05-17T07:01:04","slug":"solved-unhandled-exception-nosuchmethoderror-the-getter-isempty-was-called-on-null","status":"publish","type":"post","link":"https:\/\/professnow.com\/blog\/solved-unhandled-exception-nosuchmethoderror-the-getter-isempty-was-called-on-null\/","title":{"rendered":"[SOLVED] Unhandled Exception: NoSuchMethodError: The getter &#8216;isEmpty&#8217; was called on null."},"content":{"rendered":"\n<h2 class=\"has-text-align-center wp-block-heading\"><strong><span class=\"has-inline-color has-vivid-red-color\">Problem<\/span><\/strong><\/h2>\n\n\n\n<p>I&#8217;m Calling An API and getting response in Variable Data ($data). When data is coming then there is no Error but when I&#8217;m getting null as response then getting this error <strong>Unhandled Exception: NoSuchMethodError: The getter &#8216;isEmpty&#8217; was called on null.<\/strong><\/p>\n\n\n\n<p> When I am using the below code then it is throwing me an error:<\/p>\n\n\n\n\n\n\n\n<h2 class=\"has-text-align-center wp-block-heading\"><span class=\"has-inline-color has-vivid-red-color\">Solution<\/span><\/h2>\n\n\n\n<p>That is because <strong>$data<\/strong> returns\u00a0<code>null<\/code>, So I&#8217;ve Used <\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>if(data?.isEmpty ?? true)<\/code><\/pre>\n\n\n\n<p><code>?<\/code>\u00a0prevents an error if the previous part of the expression results in\u00a0<code>null<\/code>\u00a0and\u00a0<code>?? true<\/code>\u00a0results in\u00a0<code>true<\/code>\u00a0if the previous part of the expression is\u00a0<code>null<\/code>\u00a0and therefore treats\u00a0<code>== null<\/code>\u00a0and\u00a0<code>isEmpty<\/code>\u00a0the same for the\u00a0<code>if(...)<\/code>\u00a0check.<\/p>\n\n\n\n<p>Now My Code is working Fine.<\/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 loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/professnow.com\/blog\/wp-content\/uploads\/2021\/01\/Keep_coding.gif\" alt=\"\" class=\"wp-image-26\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Problem I&#8217;m Calling An API and getting response in Variable Data ($data). When data is coming then there is no Error but when I&#8217;m getting null as response then getting this error Unhandled Exception: NoSuchMethodError: The getter &#8216;isEmpty&#8217; was called on null. When I am using the below code then it is throwing me an [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37,38,11],"tags":[555,558,554,557,553],"class_list":["post-479","post","type-post","status-publish","format-standard","hentry","category-android","category-android-studio","category-flutter","tag-isempty","tag-isempty-was-called-on-null-2","tag-nosuchmethoderror","tag-returns-null","tag-unhandled-exception"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>[SOLVED] Unhandled Exception: NoSuchMethodError: The getter &#039;isEmpty&#039; was called on null. - ProfessNow<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/professnow.com\/blog\/solved-unhandled-exception-nosuchmethoderror-the-getter-isempty-was-called-on-null\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[SOLVED] Unhandled Exception: NoSuchMethodError: The getter &#039;isEmpty&#039; was called on null. - ProfessNow\" \/>\n<meta property=\"og:description\" content=\"Problem I&#8217;m Calling An API and getting response in Variable Data ($data). When data is coming then there is no Error but when I&#8217;m getting null as response then getting this error Unhandled Exception: NoSuchMethodError: The getter &#8216;isEmpty&#8217; was called on null. When I am using the below code then it is throwing me an [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/professnow.com\/blog\/solved-unhandled-exception-nosuchmethoderror-the-getter-isempty-was-called-on-null\/\" \/>\n<meta property=\"og:site_name\" content=\"ProfessNow\" \/>\n<meta property=\"article:published_time\" content=\"2021-05-17T07:01:04+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/professnow.com\/blog\/wp-content\/uploads\/2021\/01\/Keep_coding.gif\" \/>\n\t<meta property=\"og:image:width\" content=\"300\" \/>\n\t<meta property=\"og:image:height\" content=\"300\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/gif\" \/>\n<meta name=\"author\" content=\"Sushant Kumar\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Sushant Kumar\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/professnow.com\/blog\/solved-unhandled-exception-nosuchmethoderror-the-getter-isempty-was-called-on-null\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/professnow.com\/blog\/solved-unhandled-exception-nosuchmethoderror-the-getter-isempty-was-called-on-null\/\"},\"author\":{\"name\":\"Sushant Kumar\",\"@id\":\"https:\/\/professnow.com\/blog\/#\/schema\/person\/0129748fa0821f3e6efc636c6777b9d3\"},\"headline\":\"[SOLVED] Unhandled Exception: NoSuchMethodError: The getter &#8216;isEmpty&#8217; 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