Image picker Not working

[Daniel Reuven]

E/flutter (14477): [ERROR:flutter/lib/ui/ui_dart_state.cc(148)] Unhandled Exception: MissingPluginException(No implementation found for method pickImage on channel plugins.flutter.io/image_picker)

yaml image_picker

Future getImage() async {

File picture = await ImagePicker.pickImage(

source: ImageSource.camera, maxHeight: 300.0, maxWidth: 500.0);

setState(() {

simpleImage = picture;

});

}