Flutter With Praveen

Mastering the Flutter Container Widget: A Comprehensive Guide In the world of Flutter development, the Container widget plays a pivotal role in crafting visually appealing and highly customizable user interfaces. As a versatile widget in the Flutter widget tree, Container allows developers to create a rectangular visual element that can be styled, sized, and positioned with ease. Whether you're a beginner or an experienced Flutter developer, understanding the Container widget is crucial for effective UI design. What is a Container? At its core, a Container is a box model that can be decorated with a BoxDecoration, like a background, a border, or a shadow. It can also be sized to fit its child widget, or it can have width and height constraints. Moreover, the Container widget can align its child within itself and apply padding, margin, and transformations. Why Use Container? The Container widget is the go-to choice for developers when a simple widget needs to be visually adjusted or...

Object-Oriented Programming (OOP) is a programming paradigm that uses "objects" to design applications and computer programs. It utilizes several key concepts: Objects and classes Encapsulation Inheritance Abstraction Polymorphism constructor  

    In this tutorial, we will walk you through the process of creating a Flutter application that performs CRUD (Create, Read, Update, Delete) operations on a list of items using Firebase Firestore. Firestore is a cloud-based NoSQL database provided by Firebase, and Flutter is a powerful open-source framework for building cross-platform mobile apps. By combining these technologies, you can create a real-time and cloud-synced list management app.  Prerequisites Before we start, ensure that you have the following prerequisites in place: Adding Dependencies First, we need to add the necessary dependencies to our Flutter project. Open your project's pubspec.yaml file and add the following dependencies: dependencies:   flutter:     sdk: flutter   firebase_core: ^latest_version   cloud_firestore: ^latest_version Replace latest_version with the actual latest versions of the firebase_core and cloud_firestore packages available on the Flutter packages webs...

 Sure, here are short definitions for static, final, and const: Static: Refers to class-level attributes or methods. static members are shared across all instances of the class, meaning they belong to the class itself, not to any specific object. Final: Used to declare variables that can be assigned only once. A final variable must be initialized when it's declared, and its value cannot be changed later. In object-oriented programming, final can also be used to indicate that a method cannot be overridden or a class cannot be inherited. Const: Indicates that a variable's value is constant and known at compile-time. const variables are immutable, and their values are fixed for the entire runtime of the program. In languages like Dart, const also implies the variable is final class Student {   // Static variable   static String? stdBranch;   // Instance variables   String? stdName;   int? roll_num;   // Method to show student information   showStdInf...

Hello everyone, Understanding GridView in Flutter A GridView in Flutter acts like a table or grid, allowing us to neatly present items in rows and columns. It's a handy way to display various elements within a tabular layout, making it easy for users to interact with and select items. What Exactly is a GridView? Layout Organizer: Picture a grid paper divided into rows and columns. Each square of this grid can hold different things—text, pictures, icons, or anything you want to display. Two-Dimensional Display: The GridView displays items in a two-dimensional array, meaning it arranges elements both horizontally and vertically. User Interaction: Users can tap or select items within this grid layout, enabling them to interact with your app by choosing specific items of interest. Why Choose a GridView? Organized Presentation: It's perfect for organizing and showcasing numerous items in an orderly manner, like a photo gallery, product catalog, or a list of options. User-Friendly: H...

Introduction   When you're starting with Flutter, you'll quickly come across the Container widget. It's one of the simplest yet most powerful widgets in Flutter's rich library. The Container can be compared to an empty box or canvas, which you can customize to your heart's content. In this blog post, we will delve deep into this incredibly flexible widget. What is a Container? A Container in Flutter is a basic layout and styling widget that allows you to create a rectangular visual element. The Container widget is commonly used for padding, creating a background, setting the size, and aligning its child. It is a versatile widget often used as a building block for more complex UI. Why Use a Container? Styling: You can easily change the appearance of your app by modifying the container's properties. Alignment: The Container gives you the ability to align its child widget. Size Control: It helps in specifying the exact height and width or making it relative to the ...

Today I’ll tell you that how you can set up a Local Notification Plugin on Flutter App. Using Plugin in flutter is not difficult but in the case of Flutter Local Notification. We need to set up some configuration before start using it. Step 1 : Add flutter_local_notifications dependency in your pubspec.yaml file dependencies : flutter : sdk : flutter flutter_local_notifications : ^11.0.0 Step 2 : Add VIBRATE and RECEIVE_BOOT_COMPLETED permission to your AndroidManifest.xml [ Optional ] < manifest xmlns: android ="http://schemas.android.com/apk/res/android" package ="com.example.notificationsdemo" > < uses-permission android :name ="android.permission.RECEIVE_BOOT_COMPLETED" /> < uses-permission android :name ="android.permission.WAKE_LOCK" /> < uses-permission android :name ="android.permission.SYSTEM_ALERT_WINDOW" /> < uses-permission android :name ="android.permission.VIBRATE...