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Phani Pavan Kambhampati
2022-05-31 17:36:31 +05:30
parent 0b3f4bdf05
commit e830aba3cd
10 changed files with 72 additions and 59 deletions
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42
lib/modal_progress_hud_nsn.dart
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@@ -6,32 +6,32 @@ import 'package:flutter/material.dart';
/// Wrap around any widget that makes an async call to show a modal progress
/// indicator while the async call is in progress.
///
/// The progress indicator can be turned on or off using [inAsyncCall]
///
/// The progress indicator defaults to a [CircularProgressIndicator] but can be
/// any kind of widget
///
/// The progress indicator can be positioned using [offset] otherwise it is
/// centered
///
/// The modal barrier can be dismissed using [dismissible]
///
/// The color of the modal barrier can be set using [color]
///
/// The opacity of the modal barrier can be set using [opacity]
///
/// HUD=Heads Up Display
///
class ModalProgressHUD extends StatelessWidget {
/// A required [bool]to toggle the loading animation.
final bool inAsyncCall;
/// A [double] value which states how opaque the loading overlay should be, defaults to 0.3
final double opacity;
/// A [Color] object which is assigned to the loading barrier, defaults to grey
final Color color;
/// A [Widget] which is shown at the center of the modal loading barrier,
/// defaults to the standard android spinny animation.
final Widget progressIndicator;
/// An [Offset] object which is applied to the [progressIndicator] when specified.
final Offset? offset;
/// A [bool] value which sets the `loading screen can be dismissible by tapping on the loading screen` rule.
final bool dismissible;
/// A [Widget] which should be the the widget to be shown behind the loading barrier.
final Widget child;
ModalProgressHUD({
const ModalProgressHUD({
Key? key,
required this.inAsyncCall,
this.opacity = 0.3,
@@ -47,9 +47,9 @@ class ModalProgressHUD extends StatelessWidget {
if (!inAsyncCall) return child;
Widget layOutProgressIndicator;
if (offset == null)
if (offset == null) {
layOutProgressIndicator = Center(child: progressIndicator);
else {
} else {
layOutProgressIndicator = Positioned(
child: progressIndicator,
left: offset!.dx,
@@ -57,15 +57,15 @@ class ModalProgressHUD extends StatelessWidget {
);
}
return new Stack(
return Stack(
children: [
child,
new Opacity(
child: new ModalBarrier(dismissible: dismissible, color: color),
Opacity(
child: ModalBarrier(dismissible: dismissible, color: color),
opacity: opacity,
),
layOutProgressIndicator,
],
);
}
}
}