Dharmendra Kumar, Senior Software Engineer & Co founder at MyhospitalNow
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Every application needs to have form validation. There are other ways to validate forms in the flutter application, for as by utilising a TextEditingController. However, managing text controllers for each input can get complicated in large applications. As a result, Form offers us a practical method for verifying user inputs.
Although the condition is applied in each TextFormField with a widget name validator as shown in the example below, the input is validated in your submit function (the method that is executed once the user has provided all of the details).
The Validator widget accepts a function with a single input value as a parameter, and it then checks the condition specified in the Validator function. Use of the key
Output:
Dharmendra Kumar, Senior Software Engineer & Co founder at MyhospitalNow
Experienced software developer proficient in HTML, CSS, and Bootstrap for crafting elegant and responsive user interfaces.
Skilled in Laravel and PHP, with a focus on building robust and scalable web applications.
Proficient in JavaScript for both frontend and backend development, leveraging frameworks like React and Vue.js.
Experienced in designing and consuming RESTful APIs to enable seamless communication between client and server.
Expertise in integrating payment gateways such as PayPal, Stripe, and Paytm for secure online transactions.
Familiar with Flutter, enabling the creation of natively compiled applications for mobile, web, and desktop.
Proficient in Android Studio, the primary IDE for developing Android applications.
Knowledgeable in Linux and Docker for efficient server management and application deployment.
Experienced in using Redis as an in-memory data structure store, enhancing application performance.
Passionate about staying updated with the latest technologies and continuously learning to deliver high-quality solutions.
