flutter_package / mobile_scanner

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Sven Op de Hipt
ea06f328 1 parent 5aa2c119

add overlay to scanner

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Showing 1 changed file with 31 additions and 19 deletions
... ... @@ -62,6 +62,10 @@ class MobileScanner extends StatefulWidget {
/// Default: false
final bool startDelay;
/// The overlay which will be painted above the scanner when has started successful.
/// Will no be pointed when an error occurs or the scanner hasn't be started yet.
final Widget? overlay;
/// Create a new [MobileScanner] using the provided [controller]
/// and [onBarcodeDetected] callback.
const MobileScanner({
... ... @@ -74,6 +78,7 @@ class MobileScanner extends StatefulWidget {
this.placeholderBuilder,
this.scanWindow,
this.startDelay = false,
this.overlay,
super.key,
});
... ... @@ -252,24 +257,31 @@ class _MobileScannerState extends State<MobileScanner>
_controller.updateScanWindow(scanWindow);
}
return ClipRect(
child: LayoutBuilder(
builder: (_, constraints) {
return SizedBox.fromSize(
size: constraints.biggest,
child: FittedBox(
fit: widget.fit,
child: SizedBox(
width: value.size.width,
height: value.size.height,
child: kIsWeb
? HtmlElementView(viewType: value.webId!)
: Texture(textureId: value.textureId!),
),
),
);
},
),
return Stack(
alignment: Alignment.center,
children: [
ClipRect(
child: LayoutBuilder(
builder: (_, constraints) {
return SizedBox.fromSize(
size: constraints.biggest,
child: FittedBox(
fit: widget.fit,
child: SizedBox(
width: value.size.width,
height: value.size.height,
child: kIsWeb
? HtmlElementView(viewType: value.webId!)
: Texture(textureId: value.textureId!),
),
),
);
},
),
),
if (widget.overlay != null)
widget.overlay!
],
);
},
);
... ... @@ -286,4 +298,4 @@ class _MobileScannerState extends State<MobileScanner>
_controller.dispose();
super.dispose();
}
}
}
\ No newline at end of file
... ...