PageViewIndicator Pub Package

Builds indication marks for PageView.

Import

import 'package:page_view_indicator/page_view_indicator.dart';

Usage

Default Material behavior

return PageViewIndicator(
  pageIndexNotifier: pageIndexNotifier,
  length: length,
  normalBuilder: (animationController, index) => Circle(
        size: 8.0,
        color: Colors.black87,
      ),
  highlightedBuilder: (animationController, index) => ScaleTransition(
        scale: CurvedAnimation(
          parent: animationController,
          curve: Curves.ease,
        ),
        child: Circle(
          size: 12.0,
          color: Colors.black45,
        ),
      ),
);

Example 1


Custom animations

return PageViewIndicator(
  pageIndexNotifier: pageIndexNotifier,
  length: length,
  normalBuilder: (animationController, index) => Circle(
        size: 8.0,
        color: Colors.black87,
      ),
  highlightedBuilder: (animationController, index) => ScaleTransition(
        scale: CurvedAnimation(
          parent: animationController,
          curve: Curves.ease,
        ),
        child: Circle(
          size: 8.0,
          color: Colors.white,
        ),
      ),
);

Example 2


Custom icons

It's not just about dots!

return PageViewIndicator(
  pageIndexNotifier: pageIndexNotifier,
  length: length,
  normalBuilder: (animationController, index) => ScaleTransition(
        scale: CurvedAnimation(
          parent: animationController,
          curve: Curves.ease,
        ),
        child: Icon(
          Icons.favorite,
          color: Colors.black87,
        ),
      ),
  highlightedBuilder: (animationController, index) => ScaleTransition(
        scale: CurvedAnimation(
          parent: animationController,
          curve: Curves.ease,
        ),
        child: Icon(
          Icons.star,
          color: Colors.white,
        ),
      ),
);

Example 3

Changing the space bettwen the indicators

You can change the padding around the indicators using the indicatorPadding property:

return PageViewIndicator(
  pageIndexNotifier: pageIndexNotifier,
  length: length,
  indicatorPadding: const EdgeInsets.all(4.0)
  ...

Default is const EdgeInsets.all(8.0).

Libraries

page_view_indicator
Builds indication marks for PageView from any Widget and/or Animation.

Dart

VM

dart:ffi
Foreign Function Interface for interoperability with the C programming language. [...]

Web

dart:html
HTML elements and other resources for web-based applications that need to interact with the browser and the DOM (Document Object Model). [...]
dart:js
Low-level support for interoperating with JavaScript. [...]
dart:js_util
Utility methods to efficiently manipulate typed JSInterop objects in cases where the name to call is not known at runtime. You should only use these methods when the same effect cannot be achieved with @JS annotations. These methods would be extension methods on JSObject if Dart supported extension methods.