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smooth_page_indicator

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Introduction

Page indicators are a crucial part of any app that involves multiple pages. They help users to
understand the number of pages and their current position. SmoothPageIndicator is a Flutter
package that provides a set of animated page indicators with a variety of effects.

Effects

SmoothPageIndicator comes with a set of built-in effects that you can use to animate the active dot,
you can also customize each effect to your liking.

for more specific customization, try the CustomizableEffect which allows for more customization.

EffectPreview
Worm
Worm style = WormStyle.thin [v1.0.0]
Expanding Dots
Jumping dot
Jumping dot with vertical offset [v1.0.0]
Scrolling Dots
Slide
Scale
Swap
Swap type = SwapType.yRotation [v1.0.0]
Color Transition [0.1.2]
Customizable demo-1 [v1.0.0]
Customizable demo-2 [v1.0.0]
Customizable demo-3 [v1.0.0]
Customizable demo-4 [v1.0.0]

Usage

SmoothPageIndicator uses the PageController's scroll offset to animate the active dot.

SmoothPageIndicator(    
   controller: controller,  // PageController    
   count:  6,    
   effect:  WormEffect(),  // your preferred effect    
   onDotClicked: (index){    
  }
)

Usage without a PageController

Unlike SmoothPageIndicator, AnimatedSmoothIndicator is self animated and all it needs is the
active index.

AnimatedSmoothIndicator(    
   activeIndex: yourActiveIndex,    
   count: 6,    
   effect: WormEffect(), 
)

Vertical layout support

Smooth page indicator supports both horizontal and vertical layouts.

SmoothPageIndicator(    
   controller: controller,  // PageController    
   count:  6,    
   axisDirection: Axis.vertical,    
   effect:  WormEffect(), 
)

Scrolling dots effect

Smooth page indicator comes with a shipped it scrolling dots effect, (similar to the one used in instagram), it's useful when you have a large number of pages.

Customization

Each effect comes with its own set of properties that you can customize to your liking.
for example, you can customize direction, width, height, radius, spacing, paint style, color and more... of SlideEffect like follows:

  SmoothPageIndicator(    
   controller: controller,    
   count:  6,    
   axisDirection: Axis.vertical,    
   effect:  SlideEffect(    
      spacing:  8.0,    
      radius:  4.0,    
      dotWidth:  24.0,    
      dotHeight:  16.0,    
      paintStyle:  PaintingStyle.stroke,    
      strokeWidth:  1.5,    
      dotColor:  Colors.grey,    
      activeDotColor:  Colors.indigo    
  ), 
)

Support the Library

You can support the library by liking it on pub, staring in on Github and reporting any bugs you
encounter.