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Create responsive layouts in flutter for mobile, web and desktop.

Fluid Layout #

pub package

Demo: jamesblasco.github.io/fluid_layout

Fluid gif

Fluid layouts allows you to create responsive layout for mobile, web and desktop from a single codebase.

Let's get started #

Install it #

Follow the installation process here

Understand fluid layout #

Fluid layout aims to help building a responsive experience through all the different screen sizes. Based in the boostrap approach, FluidLayout calculates a padding content (fluid_padding) that changes depending on the parent size. The Fluid widget uses that padding to set its size

The screen sizes are divided in 6 breakpoints: xs, s, m, l, xl, and can be accessed through FluidLayout.of(context).fluidBreakpoint or `context.breakpoint.

You can create values for diferrent screen sizes thanks to the class FluidValue. The easiest way is:

final value = context.fluid(defaultValue, 
  xs: xsValue,  //if null xs would be defaultValue
  s:  sValue,   //if null s would be defaultValue
  m:  mValue,   //if null m would be defaultValue
  l:  lValue,   //if null l would be defaultValue
  xl: xlValue   //if null xl would be defaultValue

Examples #

FluidLayout & Fluid #

See web example

class BasicFluidLayout extends StatelessWidget {
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.grey[200],
      body: Container(
        child: FluidLayout(
          child: Fluid(
            child: Container(
              color: Colors.blue,
              child: Center(
                child: Text(
                  'Fluid width',
                  style: TextStyle(color: Colors.white),

There is a fixed horizontalPadding param that can be changed to all the FluidLayout or just for a Fluid container

For CustomScrollView there is a SliverFluid equivalent to Fluid

FluidGridView #

See FluidGridView web example

  children: List.filled(
      size: context.fluid(3, m: 3, s: 4, xs: 6),
      heightSize: context.fluid(3, m: 3, s: 4, xs: 6),
      child: CustomCard(
        color: Colors.red,
        child: Center(child: Text('Item')),

Customizable params [double spacing, ScrollPhysics physics, bool shrinkWrap] and bool fluid

FluidCell has three methods to build the cell:

  • FluidCell.fit({size, child})
  • FluidCell.withFluidHeight({size, heightSize, child})
  • FluidCell.withFixedHeight({size, height, child})

For CustomScrollView there is a SliverFluidGrid equivalent to FluidGridView

Conditional Layout #

See Conditional Layout web example

   return Container(color: Colors.red)
   return Container(color: Colors.red)              

Remember you can use context.breakpoint as FluidLayout.of(context).fluidBreakpoint

Combine full width widgets with fluid layouts #

Fluid layouts can be built everywhere inside the app and they will calculate their constraints based on their parents sizes, also they can combine very easily in cases we need full screen widgets.

  1. Fluid layout with horizontal scroll rows

FluidValue #


pub points


verified publisher iconjaimeblasco.com

Create responsive layouts in flutter for mobile, web and desktop.

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flutter, flutter_staggered_grid_view


Packages that depend on fluid_layout