def camera_video(self, b):
if check_permission(Permission.CAMERA) and\
check_permission(Permission.RECORD_AUDIO):
if api_version > 28 or\
check_permission(Permission.WRITE_EXTERNAL_STORAGE):
self.cameraxf = CameraXF(capture='video',
callback=self.captured)
self.cameraxf.bind(on_dismiss=self._dismissed)
def camera_photo(self, b):
if check_permission(Permission.CAMERA):
if api_version > 28 or\
check_permission(Permission.WRITE_EXTERNAL_STORAGE):
self.cameraxf = CameraXF(capture='photo',
flash='auto',
callback=self.captured)
self.cameraxf.bind(on_dismiss=self._dismissed)
def camera_qrcode(self, b):
if check_permission(Permission.CAMERA):
self.cameraxf = CameraXF(capture='data', callback=self.analyze)
if add_qrreader:
self.qrreader = QRReader(self.cameraxf)
self.cameraxf.bind(on_dismiss=self._dismissed)
def camera_mirror(self, b):
if check_permission(Permission.CAMERA):
self.cameraxf = CameraXF(capture='none', facing='front')
self.cameraxf.bind(on_dismiss=self._dismissed)
def camera_video(self, b):
if check_permission(Permission.CAMERA) and\
check_permission(Permission.RECORD_AUDIO):
self.cameraxf = CameraXF(capture='video', callback=self.captured)
self.cameraxf.bind(on_dismiss=self._dismissed)
def camera_photo(self, b):
if check_permission(Permission.CAMERA):
self.cameraxf = CameraXF(capture='photo',
flash='auto',
callback=self.captured)
self.cameraxf.bind(on_dismiss=self._dismissed)
class MyApp(App):
def build(self):
self.cameraxf = None
self.qrreader = None
request_permissions([Permission.CAMERA, Permission.RECORD_AUDIO])
l0 = Label(
text='Dismiss a camera with the\nback button or a back gesture')
b1 = Button(text='Tap for Photo Camera', on_press=self.camera_photo)
b2 = Button(text='Tap for Video Camera', on_press=self.camera_video)
b3 = Button(text='Tap for Mirror', on_press=self.camera_mirror)
b4 = Button(text='Tap for QR reader', on_press=self.camera_qrcode)
box = BoxLayout(orientation='vertical')
box.add_widget(l0)
box.add_widget(b1)
box.add_widget(b2)
box.add_widget(b3)
if add_qrreader:
box.add_widget(b4)
return box
def camera_photo(self, b):
if check_permission(Permission.CAMERA):
self.cameraxf = CameraXF(capture='photo',
flash='auto',
callback=self.captured)
self.cameraxf.bind(on_dismiss=self._dismissed)
def camera_video(self, b):
if check_permission(Permission.CAMERA) and\
check_permission(Permission.RECORD_AUDIO):
self.cameraxf = CameraXF(capture='video', callback=self.captured)
self.cameraxf.bind(on_dismiss=self._dismissed)
def camera_mirror(self, b):
if check_permission(Permission.CAMERA):
self.cameraxf = CameraXF(capture='none', facing='front')
self.cameraxf.bind(on_dismiss=self._dismissed)
def camera_qrcode(self, b):
if check_permission(Permission.CAMERA):
self.cameraxf = CameraXF(capture='data', callback=self.analyze)
if add_qrreader:
self.qrreader = QRReader(self.cameraxf)
self.cameraxf.bind(on_dismiss=self._dismissed)
def _dismissed(self, w):
self.cameraxf = None
self.qrreader = None
def captured(self, file_id):
if not 'ERROR:' in file_id[:6]:
file_id = 'Saved:\n' + file_id
Toast().show(file_id)
def analyze(self, image_proxy):
if self.qrreader:
self.qrreader.analyze(image_proxy)
def on_pause(self):
if self.cameraxf:
self.cameraxf.pause()
return True
def on_resume(self):
if self.cameraxf:
self.cameraxf.resume()