fluid_dialog

Package Overview

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Fluid Dialog is a Flutter package that enables dynamic, animated dialogs capable of switching between multiple content screens. It automatically adjusts its size and alignment based on the current content, providing a smooth and responsive user experience across different platforms. Ideal for modals that need to adapt their layout without abrupt changes, it enhances UI fluidity in apps requiring flexible dialog behavior. The package supports all major platforms including Android, iOS, Web, macOS, Windows, and Linux.

Use cases

Dynamic content switching in modals
Responsive dialog sizing
Smooth transitions between screen states
Adaptive UIs for multi-step forms
Interactive help or tutorial dialogs
Cross-platform dialog consistency

Key features

Automatic size and alignment animation
Multiple content support
Cross-platform compatibility
Smooth transitions between states
Customizable animations
Lightweight and easy integration

Suitable for

Developers building interactive dialogs
Apps with multi-step user flows
UI-heavy applications needing fluid transitions
Cross-platform Flutter projects
Design systems requiring adaptive modals

Considerations

May impact performance with complex nested content
Requires careful state management for content switching
Animation timing may need tuning for specific use cases
Limited customization for non-standard layouts
Best suited for simple to moderately complex dialog structures

Original README

Original README snapshot from the linked source repository. Visit the repository for the latest content.

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Fluid Dialog

A dialog that can switch between multiple contents and animates size and alignment dynamically.

Video Demo

Features 🎉

Navigate between different pages
Animated size and alignment
Fully customizable

Usage 🧪

To show a FluidDialog you typically use Flutter's showDialog function. You can also use your implementation to show the dialog.

Here's an example:

showDialog(
 context: context,
 builder: (context) => FluidDialog(
  // Set the first page of the dialog.
  rootPage: FluidDialogPage(
    alignment: Alignment.bottomLeft, //Aligns the dialog to the bottom left.
    builder: (context) => const TestDialog(), // This can be any widget.
  ),
 ),
);

To navigate in the dialog, use the DialogNavigator. It works similarly to the flutter navigator.

This only works for widgets in the FluidDialog

TextButton(
  onPressed: () => DialogNavigator.of(context).push(
    FluidDialogPage(
      builder: (context) => const SecondDialogPage(),
    ),
  ),
  child: const Text('Go to next page'),
),

Take a look at the example or demo for more code.

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