Gradient Glow Border

A professional Flutter package for creating stunning animated gradient borders with support for solid, dashed, and dotted styles. This package allows you to easily add animated borders to your widgets with customizable colors, radius, thickness, glow effects, and animation controls.

✨ Features

• Animated Gradient Borders: Create smooth, animated gradient borders around any widget
• Multiple Border Styles:
  • Solid: A continuous animated gradient border
  • Dashed: A dashed animated gradient border with customizable dash spacing
  • Dotted: A dotted animated gradient border with customizable dot spacing
• Custom Border Radius: Apply different border radii to each corner
• Glow Effect: Add a glowing shadow effect with customizable blur and spread
• Animation Control: Control animation duration, curve, and enable/disable animation
• High Performance: Optimized rendering with minimal rebuilds
• Fully Customizable: Control every aspect of border appearance
• Easy to Use: Simple API with factory constructors

📦 Installation

Add the package to your pubspec.yaml file:

dependencies:
  gradient_glow_border: ^2.0.2

Then, run:

flutter pub get

🚀 Usage Examples

Example 1: Solid Animated Gradient Border

SizedBox(
  height: 70,
  width: double.infinity,
  child: GradientGlowBorder.solid(
    borderRadius: BorderRadius.all(Radius.circular(15)),
    blurRadius: 1,
    colors: [
      Colors.blue,
      Colors.red,
    ],
    animate: true,
    animationCurve: Curves.linear,
    animationDuration: Duration(seconds: 2),
    glowOpacity: 1,
    spreadRadius: 0,
    thickness: 3,
    child: Center(
      child: Text("Mohamed Elbaiomy"),
    ),
  ),
)

---

Example 2: Dashed Gradient Border

SizedBox(
  height: 70,
  width: double.infinity,
  child: GradientGlowBorder.dashed(
    borderRadius: BorderRadius.all(Radius.circular(15)),
    colors: [
      Colors.blue,
      Colors.red,
    ],
    animationDuration: Duration(seconds: 2),
    thickness: 3,
    spacing: 5,
    child: Center(
      child: Text("Mohamed Elbaiomy"),
    ),
  ),
)

---

Example 3: Dotted Gradient Border

SizedBox(
  height: 70,
  width: double.infinity,
  child: GradientGlowBorder.dotted(
    borderRadius: BorderRadius.all(Radius.circular(15)),
    colors: [
      Colors.blue,
      Colors.red,
    ],
    animationDuration: Duration(seconds: 2),
    thickness: 3,
    spacing: 5,
    child: Center(
      child: Text("Mohamed Elbaiomy"),
    ),
  ),
)

---

Example 4: Asymmetric Border Radius

SizedBox(
  height: 70,
  width: double.infinity,
  child: GradientGlowBorder.dashed(
    borderRadius: BorderRadius.only(
      topRight: Radius.circular(30),
      topLeft: Radius.circular(1),
      bottomRight: Radius.circular(30),
      bottomLeft: Radius.circular(1),
    ),
    spacing: 5,
    colors: [
      Colors.red,
      Colors.blue,
    ],
    animationDuration: Duration(seconds: 2),
    thickness: 3,
    child: Center(
      child: Text("Mohamed Elbaiomy"),
    ),
  ),
)

---

Example 5: Advanced Custom Configuration

SizedBox(
  height: 70,
  child: GradientGlowBorder(
    config: BorderConfig(
      borderRadius: BorderRadius.circular(24),
      colors: const [
        Color(0xFFFF6B6B),
        Color(0xFFFFE66D),
        Color(0xFF4ECDC4),
        Color(0xFF556270),
      ],
      thickness: 4,
      blurRadius: 16,
      spreadRadius: 3,
      glowOpacity: 0.8,
      borderStyle: BorderStyle.solid,
      animate: true,
      animationDuration: const Duration(seconds: 3),
      animationCurve: Curves.easeInOut,
    ),
    child: const Center(
      child: Text(
        'Mohamed Elbaiomy',
        style: TextStyle(fontSize: 18),
      ),
    ),
  ),
)

---

📖 API Reference

Factory Constructors

GradientGlowBorder.solid()

Creates a solid gradient border.

Parameters:

• borderRadius (BorderRadius, required): Border radius for corners
• colors (List
• thickness (double, default: 2.0): Border thickness
• blurRadius (double, default: 8.0): Glow blur radius
• spreadRadius (double, default: 0.0): Glow spread radius
• glowOpacity (double, default: 1.0): Glow opacity (0.0 to 1.0)
• animate (bool, default: true): Enable/disable animation
• animationDuration (Duration, default: 2 seconds): Animation duration
• animationCurve (Curve, default: Curves.linear): Animation curve
• child (Widget?): Child widget

GradientGlowBorder.dashed()

Creates a dashed gradient border.

Parameters:

• All parameters from solid() plus:
• spacing (double, default: 5.0): Space between dashes
• dashLength (double, default: 10.0): Length of each dash

GradientGlowBorder.dotted()

Creates a dotted gradient border.

Parameters:

• All parameters from solid() plus:
• spacing (double, default: 5.0): Space between dots

BorderConfig Class

For advanced usage, use BorderConfig with all available parameters:

BorderConfig(
  borderRadius: BorderRadius,    // Required
  colors: List<Color>,           // Required (min 2 colors)
  thickness: double,             // Default: 2.0
  blurRadius: double,            // Default: 8.0
  spreadRadius: double,          // Default: 0.0
  glowOpacity: double,           // Default: 1.0 (0.0 to 1.0)
  borderStyle: BorderStyle,      // Default: BorderStyle.solid
  spacing: double,               // Default: 5.0
  dashLength: double,            // Default: 10.0
  animate: bool,                 // Default: true
  animationDuration: Duration,   // Default: Duration(seconds: 2)
  animationCurve: Curve,         // Default: Curves.linear
)

BorderStyle Enum

enum BorderStyle {
  solid,   // Continuous border
  dashed,  // Dashed border
  dotted,  // Dotted border
}

📊 Quick Reference Table

Parameter	Type	Description	Default
borderRadius	BorderRadius	Border radius for each corner	Required
colors	List<Color>	List of gradient colors (minimum 2)	Required
thickness	double	Border thickness	2.0
blurRadius	double	Glow blur radius	8.0
spreadRadius	double	Glow spread radius	0.0
glowOpacity	double	Glow opacity (0.0 to 1.0)	1.0
spacing	double	Space between dashes/dots	5.0
dashLength	double	Length of each dash (dashed style only)	10.0
animate	bool	Enable/disable animation	true
animationDuration	Duration	Duration of animation	2 seconds
animationCurve	Curve	Animation curve	Curves.linear
borderStyle	BorderStyle	Style: solid, dashed, or dotted	solid
child	Widget?	Child widget to wrap with border	null

💡 Complete Example

import 'package:flutter/material.dart';
import 'package:gradient_glow_border/gradient_glow_border.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Gradient Glow Border',
      theme: ThemeData.dark(),
      debugShowCheckedModeBanner: false,
      home: TestGradientGlowBorder(),
    );
  }
}

class TestGradientGlowBorder extends StatefulWidget {
  const TestGradientGlowBorder({super.key});

  @override
  State<TestGradientGlowBorder> createState() => _TestGradientGlowBorderState();
}

class _TestGradientGlowBorderState extends State<TestGradientGlowBorder> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text("Gradient Glow Border"),
      ),
      body: Center(
        child: Padding(
          padding: const EdgeInsets.all(10),
          child: Column(
            mainAxisAlignment: MainAxisAlignment.spaceEvenly,
            children: [
              // Example 1: Solid animated gradient border
              SizedBox(
                height: 70,
                width: double.infinity,
                child: GradientGlowBorder.solid(
                  borderRadius: BorderRadius.all(Radius.circular(15)),
                  blurRadius: 1,
                  colors: [Colors.blue, Colors.red],
                  animate: true,
                  animationCurve: Curves.linear,
                  animationDuration: Duration(seconds: 2),
                  glowOpacity: 1,
                  spreadRadius: 0,
                  thickness: 3,
                  child: Center(
                    child: Text("Mohamed Elbaiomy"),
                  ),
                ),
              ),
              
              // Example 2: Dashed border
              SizedBox(
                height: 70,
                width: double.infinity,
                child: GradientGlowBorder.dashed(
                  borderRadius: BorderRadius.all(Radius.circular(15)),
                  colors: [Colors.blue, Colors.red],
                  animationDuration: Duration(seconds: 2),
                  thickness: 3,
                  spacing: 5,
                  child: Center(
                    child: Text("Mohamed Elbaiomy"),
                  ),
                ),
              ),
              
              // Example 3: Dotted border
              SizedBox(
                height: 70,
                width: double.infinity,
                child: GradientGlowBorder.dotted(
                  borderRadius: BorderRadius.all(Radius.circular(15)),
                  colors: [Colors.blue, Colors.red],
                  animationDuration: Duration(seconds: 2),
                  thickness: 3,
                  spacing: 5,
                  child: Center(
                    child: Text("Mohamed Elbaiomy"),
                  ),
                ),
              ),
              
              // Example 4: Different border radius per corner
              SizedBox(
                height: 70,
                width: double.infinity,
                child: GradientGlowBorder.dashed(
                  borderRadius: BorderRadius.only(
                    topRight: Radius.circular(30),
                    topLeft: Radius.circular(1),
                    bottomRight: Radius.circular(30),
                    bottomLeft: Radius.circular(1),
                  ),
                  spacing: 5,
                  colors: [Colors.red, Colors.blue],
                  animationDuration: Duration(seconds: 2),
                  thickness: 3,
                  child: Center(
                    child: Text("Mohamed Elbaiomy"),
                  ),
                ),
              ),
              
              // Example 5: Custom configuration
              SizedBox(
                height: 70,
                child: GradientGlowBorder(
                  config: BorderConfig(
                    borderRadius: BorderRadius.circular(24),
                    colors: const [
                      Color(0xFFFF6B6B),
                      Color(0xFFFFE66D),
                      Color(0xFF4ECDC4),
                      Color(0xFF556270),
                    ],
                    thickness: 4,
                    blurRadius: 16,
                    spreadRadius: 3,
                    glowOpacity: 0.8,
                    borderStyle: BorderStyle.solid,
                    animate: true,
                    animationDuration: const Duration(seconds: 3),
                    animationCurve: Curves.easeInOut,
                  ),
                  child: const Center(
                    child: Text(
                      'Mohamed Elbaiomy',
                      style: TextStyle(fontSize: 18),
                    ),
                  ),
                ),
              ),
            ],
          ),
        ),
      ),
    );
  }
}

🎨 Use Cases

• Highlighting premium features or subscription cards
• Creating eye-catching call-to-action buttons
• Designing modern profile cards
• Building futuristic UI elements
• Adding visual emphasis to important content
• Creating loading indicators with style

🤝 Contributing

Contributions are welcome! If you find a bug or have a feature request, please open an issue on GitHub. If you'd like to contribute code, feel free to submit a pull request.

📄 License

This project is licensed under the MIT License. See the LICENSE file for details.

🔗 Connect with Mohamed Elbaiomy

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Made with ❤️ by Mohamed Elbaiomy