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flutter_overlay_loader

A simple Flutter package for managing loader when fetching remote data or any long running async task. Flutter overlay loader is easy to use. You can show loader using only write two lines of code.

Overlay loader without overlaying Appbar

drawing drawing

Overlay Loader without overlaying BottomAppBar and also overlaying AppBar

drawing

Getting Started

Installing

dependencies:
  flutter_overlay_loader: ^2.0.0

Import

import 'package:flutter_overlay_loader/flutter_overlay_loader.dart';

How To Use

When start network call then call this line of code..

Loader.show(context,progressIndicator:LinearProgressIndicator());

After finished network call then call :

Loader.hide();

You can customize this loader..

Loader.show(context,
  isSafeAreaOverlay: false,
  isBottomBarOverlay: false,
  overlayFromBottom: 80,
  overlayColor: Colors.black26,
  progressIndicator: CircularProgressIndicator(backgroundColor: Colors.red),
  themeData: Theme.of(context)
    .copyWith(colorScheme: ColorScheme.fromSwatch().copyWith(secondary: Colors.green))
);

You can also check loader is showing or not using the property : Loader.isShown and you can prevent back pressed like this snippet:

WillPopScope(
  child: //TODO , 
  onWillPop:()async => !Loader.isShown
)

Finally dispose call hide method on dispose method :

@override
void dispose() {
  Loader.hide();

  super.dispose();
}

Libraries

flutter_overlay_loader