Author: Saim Khalid

Forms are central to user interaction in applications. From login and signup pages to checkout processes and profile updates, forms collect critical information. But simply collecting input is not enough; developers must ensure that the information provided is valid, accurate, and meaningful. This is where custom validation rules come in. Flutter provides robust support for…

User input is a critical part of almost every mobile application. From login forms to checkout pages, apps rely on user-provided data to perform essential tasks. However, one of the most important aspects of handling user input is ensuring that the data is valid before using it. Without validation, apps may process incomplete, incorrect, or…

Forms are an essential part of almost every application. Whether you are building a login screen, registration page, feedback form, or checkout screen, you will encounter the need to handle user input systematically. Flutter provides a powerful Form widget that simplifies the process of building and validating forms with multiple fields. The Form widget is…

Handling user input in Flutter is not just about accepting text; it is also about managing the keyboard effectively and ensuring smooth interaction when users switch between fields. Poorly managed focus and keyboard behavior can lead to a frustrating user experience, such as the keyboard hiding content, fields not focusing properly, or users struggling to…

Text input is one of the most important aspects of modern applications. Whether it is entering a username, password, email address, or submitting a message in a chat application, handling text input is essential. In Flutter, the widget responsible for this functionality is the TextField widget. The TextField widget is powerful, flexible, and customizable. It…

User input is at the heart of almost every mobile application. Whether it’s logging into an app, signing up with personal details, searching for products, or submitting a contact form, users interact with apps primarily through input fields and forms. In Flutter, handling user input is made simple yet powerful through widgets like TextField, TextFormField,…

State management is one of the most discussed and sometimes confusing topics in Flutter development. With multiple approaches available—ranging from setState to advanced solutions like Provider, Riverpod, BLoC, Redux, and MobX—developers often struggle to pick the right one. But the truth is: there is no single “perfect” state management solution. Instead, the best solution depends…

Testing is an essential part of modern Flutter app development. Writing code is only the first step—ensuring that the code behaves correctly and remains reliable through future changes is where testing comes in. When building apps with state management, especially using the Provider package, developers must test both the business logic (unit tests) and the…

When developing Flutter applications, managing state effectively is one of the most important responsibilities for developers. State is the source of truth for your UI, and the way you manage it will determine how scalable, maintainable, and performant your application becomes. Two of the most commonly used techniques for managing state in Flutter are setState…

State management in Flutter often involves multiple providers working together. In many real-world applications, one provider may depend on another, or you may need to supply several providers to the widget tree at once. This is where ProxyProvider and MultiProvider come in. Both are part of the provider package, which is one of the most…