rktool.py 文件源码

def __init__(self, **kwargs):
        super(VerifyReceiptWidget, self).__init__(**kwargs)
        if platform == 'android':
            pm = PythonActivity.mActivity.getPackageManager()
            if not pm.hasSystemFeature(PM.FEATURE_CAMERA):
                return

            def addCamButton(instance):
                self.loadLayout.add_widget(Button(size_hint=(None, 1),
                        text='C', on_press=self.takePicture))
            Clock.schedule_once(addCamButton, 0)
            activity.bind(on_activity_result=self.takePictureCb)