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Description:

flutter signature view

Signature Widget library #
Signature widget library

Installing
You should add the following to your pubspec.yaml file:
dependencies:
flutter_signature_view: ^1.1.1
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Note: If you're using the Flutter master channel, if you encounter build issues, or want to try the latest and greatest then you should use the master branch and not a specific release version. To do so, use the following configuration in your pubspec.yaml:
dependencies:
flutter_signature_view:
git:
url: git://github.com:kzjn10/Flutter_SignatureWidget.git
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After adding the dependency to your pubspec.yaml you can run: flutter packages get or update your packages using your IDE.
Usage
Simple init SignatureView
SignatureView _signatureView = SignatureView();
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Init with optional params
SignatureView _signatureView = SignatureView(
backgroundColor: Colors.yellow,
penStyle: Paint()
..color = Colors.blue
..strokeCap = StrokeCap.round
..strokeWidth = 5.0,
onSigned: (data) {
print("On change $data");
},
);
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Params

backgroundColor - Color. Canvas background color
data - String. Init your signature view with default data (it will generate after your signed from callback function onSigned
penStyle - Paint. Custom your Paint style
onSigned - Function(String). Response list offset as String value. You can use it for data to render default signature view

Access data

Get list offset as string value _signatureView.exportListOffsetToString()
Get data as Bytes _signatureView.exportBytes() -> async function
Get base64 String _signatureView.exportBase64Image() -> async function
Check empty _signatureView.isEmpty
Clear current signature _signatureView.clear()

References

Signature
Signature View And Custom Painter Implementation