{"id":17413,"date":"2020-08-18T11:21:13","date_gmt":"2020-08-18T11:21:13","guid":{"rendered":"https:\/\/www.devopsschool.com\/blog\/?p=17413"},"modified":"2022-04-13T15:58:35","modified_gmt":"2022-04-13T15:58:35","slug":"how-to-create-a-calculator-in-flutter-using-dart-packages","status":"publish","type":"post","link":"https:\/\/www.devopsschool.com\/blog\/how-to-create-a-calculator-in-flutter-using-dart-packages\/","title":{"rendered":"How to create a calculator in flutter using dart packages?"},"content":{"rendered":"\n<p>In this blog, we are going to learn How to create a <strong>calculator<\/strong> in flutter full functionality. So, I already create a new project in flutter and open <strong>&#8220;lib\/main.dart<\/strong>&#8221; in editor and import-<\/p>\n\n\n\n<p><strong>import &#8216;package:flutter\/material.dart&#8217;;<br>import &#8216;package:flutter\/rendering.dart&#8217;;<\/strong><\/p>\n\n\n\n<p>And using <strong>statelessWidget <\/strong>for title &amp; theme color. After that using a <strong>statefulWidget<\/strong> and create an app like &#8220;<strong>MyHomePage();<\/strong>&#8221; his title name like &#8220;<strong>Calculator<\/strong>&#8221; and using Expand for equal space and fix between space on screen after that create a custom button and variable and assign that value integer and in Row of children&#8217;s custom button. After that create int and String for functionality and using if-else method Like that mention below-<\/p>\n\n\n\n<script src=\"https:\/\/gist.github.com\/ajcotocus\/13690a831dfa41d798197f7f8f69fba8.js\"><\/script>\n\n\n\n<p><strong>Output-<\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2020\/08\/calculator-in-flutter-485x1024.png\" alt=\"\" class=\"wp-image-17417\" width=\"292\" height=\"618\" srcset=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2020\/08\/calculator-in-flutter-485x1024.png 485w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2020\/08\/calculator-in-flutter-142x300.png 142w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2020\/08\/calculator-in-flutter-970x2048.png 970w\" sizes=\"auto, (max-width: 292px) 100vw, 292px\" \/><\/figure><\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In this blog, we are going to learn How to create a calculator in flutter full functionality. So, I already create a new project in flutter and open &#8220;lib\/main.dart&#8221; in&#8230; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[6331],"tags":[],"class_list":["post-17413","post","type-post","status-publish","format-standard","hentry","category-flutter"],"_links":{"self":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/17413","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/comments?post=17413"}],"version-history":[{"count":1,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/17413\/revisions"}],"predecessor-version":[{"id":17418,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/17413\/revisions\/17418"}],"wp:attachment":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/media?parent=17413"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/categories?post=17413"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/tags?post=17413"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}