flutter_signature_view 2.0.0

The signature plugin serve place to paint your signature and export it to many differences type to store.

Signature Widget library

Signature widget library

Installing

You should add the following to your pubspec.yaml file:

dependencies:
   flutter_signature_view: ^1.1.1

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

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();

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");  
      },  
    );

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