def builder(self):
self.add_widget(
Menu_Button(size_hint=[.1, .1],
text='Go Back',
screenmanager=self.manager,
screen='menu'))
self.discover_button = Menu_Button(size_hint=[.1, .1],
pos_hint={'right': 1},
text='Discover')
self.add_widget(self.discover_button)
self.discover_button.bind(on_press=self.start_discover)
def builder(self, *args):
# Menu Layout and Buttons
buttons_grid = GridLayout(cols=1, size_hint=[0.3, 0.1], pos_hint={"center_x": 0.5, "center_y": 0.5})
button_1 = Menu_Button(text="Bluetooth", screenmanager=self.manager, screen="bluetooth")
buttons_grid.add_widget(button_1)
button_2 = Menu_Button(text="Exit")
buttons_grid.add_widget(button_2)
button_2.bind(on_press=self.exitApp)
self.add_widget(buttons_grid)
def builder(self, *args):
# Menu Layout and Buttons
buttons_grid = GridLayout(cols=1, size_hint=[0.3, 0.1],
pos_hint={'center_x': .5, 'center_y': .5})
button_1 = Menu_Button(text='Bluetooth', screenmanager=self.manager, screen='bluetooth')
buttons_grid.add_widget(button_1)
button_2 = Menu_Button(text='Exit')
buttons_grid.add_widget(button_2)
button_2.bind(on_press=self.exitApp)
self.add_widget(buttons_grid)
def builder(self):
self.add_widget(Menu_Button(size_hint=[.1, .1], text='Go Back', screenmanager=self.manager, screen='menu'))
self.discover_button = Menu_Button(size_hint=[.1, .1], pos_hint={'right': 1}, text='Discover')
self.add_widget(self.discover_button)
self.discover_button.bind(on_press=self.start_discover)
class Bluetooth_Screen(Screen):
def __init__(self, color=(0, 0, 0), **kwargs):
super(Bluetooth_Screen, self).__init__(**kwargs)
with self.canvas.before:
Color(color[0] / 256., color[1] / 256., color[2] / 256.)
self.rect = Rectangle(size=self.size)
self.name_dict = {}
args_converter = lambda row_index, data_item: {'text': data_item.name, 'mac_addr': data_item.mac_addr,
'size_hint_y': None, 'height': 25}
self.adapter = ListAdapter(data=[], args_converter=args_converter, cls=CustomListItemButton,
selection_mode='single')
self.adapter.bind(on_selection_change=self.item_selected)
self.discovered_list = ListView(size_hint=(.5, .5), adapter=self.adapter)
self.add_widget(self.discovered_list)
self.info_label = Label(size_hint=(.5, None), height=30)
self.add_widget(self.info_label)
self.connect_button = Button(text='Connect', disabled=True, size_hint=(None, None), width=100, height=30,
pos_hint={'center_x': .5, 'y': 0})
self.connect_button.bind(on_press=self.connect)
self.add_widget(self.connect_button)
self.send_text = TextInput(text='Insert text to send', size_hint=(None, None), size=(200, 30),
pos_hint={'center_x': .5}, multiline=False, disabled= True)
self.send_text.bind(on_text_validate=self.send)
self.add_widget(self.send_text)
self.bind(size=self.update)
def update(self, *args):
self.rect.size = self.size
self.discovered_list.pos_hint = {'center_x': .5, 'center_y': .5}
self.info_label.pos_hint = {'center_y': .8, 'center_x': .5}
self.send_text.y = self.y + 30
def builder(self):
self.add_widget(Menu_Button(size_hint=[.1, .1], text='Go Back', screenmanager=self.manager, screen='menu'))
self.discover_button = Menu_Button(size_hint=[.1, .1], pos_hint={'right': 1}, text='Discover')
self.add_widget(self.discover_button)
self.discover_button.bind(on_press=self.start_discover)
def start_discover(self, *args):
Clock.schedule_interval(self.discover, .5)
def discover(self, *args):
if not self.discover_button.disabled:
self.discover_button.disabled = True
self.info_label.text = "Discovering devices..."
discover_thread = Thread(target=bluet.discover_thread, args=(queue,))
discover_thread.start()
items = []
if not queue.empty():
discovered = queue.get()
for x in discovered:
items.append(DataItem(x, discovered[x]))
self.adapter.data = items
self.discover_button.disabled = False
self.info_label.text = "Select device"
Clock.unschedule(self.discover)
def item_selected(self, *args):
try:
self.selected_item = args[0].selection[0]
text = 'Device selected MAC: ' + self.selected_item.mac_addr
self.info_label.text = text
self.connect_button.disabled = False
except:
self.info_label.text = "No device selected"
self.connect_button.disabled = True
def connect(self, *args):
self.bt_socket = bluet.connect(self.selected_item.mac_addr, 1)
self.send_text.disabled = False
self.info_label.text = 'Connected'
def send(self, *args):
self.bt_socket.send(self.send_text.text + '\n')
class Bluetooth_Screen(Screen):
def __init__(self, color=(0, 0, 0), **kwargs):
super(Bluetooth_Screen, self).__init__(**kwargs)
with self.canvas.before:
Color(color[0] / 256., color[1] / 256., color[2] / 256.)
self.rect = Rectangle(size=self.size)
self.name_dict = {}
args_converter = lambda row_index, data_item: {
'text': data_item.name,
'mac_addr': data_item.mac_addr,
'size_hint_y': None,
'height': 25
}
self.adapter = ListAdapter(data=[],
args_converter=args_converter,
cls=CustomListItemButton,
selection_mode='single')
self.adapter.bind(on_selection_change=self.item_selected)
self.discovered_list = ListView(size_hint=(.5, .5),
adapter=self.adapter)
self.add_widget(self.discovered_list)
self.info_label = Label(size_hint=(.5, None), height=30)
self.add_widget(self.info_label)
self.connect_button = Button(text='Connect',
disabled=True,
size_hint=(None, None),
width=100,
height=30,
pos_hint={
'center_x': .5,
'y': 0
})
self.connect_button.bind(on_press=self.connect)
self.add_widget(self.connect_button)
self.send_text = TextInput(text='Insert text to send',
size_hint=(None, None),
size=(200, 30),
pos_hint={'center_x': .5},
multiline=False,
disabled=True)
self.send_text.bind(on_text_validate=self.send)
self.add_widget(self.send_text)
self.bind(size=self.update)
def update(self, *args):
self.rect.size = self.size
self.discovered_list.pos_hint = {'center_x': .5, 'center_y': .5}
self.info_label.pos_hint = {'center_y': .8, 'center_x': .5}
self.send_text.y = self.y + 30
def builder(self):
self.add_widget(
Menu_Button(size_hint=[.1, .1],
text='Go Back',
screenmanager=self.manager,
screen='menu'))
self.discover_button = Menu_Button(size_hint=[.1, .1],
pos_hint={'right': 1},
text='Discover')
self.add_widget(self.discover_button)
self.discover_button.bind(on_press=self.start_discover)
def start_discover(self, *args):
Clock.schedule_interval(self.discover, .5)
def discover(self, *args):
if not self.discover_button.disabled:
self.discover_button.disabled = True
self.info_label.text = "Discovering devices..."
discover_thread = Thread(target=bluet.discover_thread,
args=(queue, ))
discover_thread.start()
items = []
if not queue.empty():
discovered = queue.get()
for x in discovered:
items.append(DataItem(x, discovered[x]))
self.adapter.data = items
self.discover_button.disabled = False
self.info_label.text = "Select device"
Clock.unschedule(self.discover)
def item_selected(self, *args):
try:
self.selected_item = args[0].selection[0]
text = 'Device selected MAC: ' + self.selected_item.mac_addr
self.info_label.text = text
self.connect_button.disabled = False
except:
self.info_label.text = "No device selected"
self.connect_button.disabled = True
def connect(self, *args):
self.bt_socket = bluet.connect(self.selected_item.mac_addr, 1)
self.send_text.disabled = False
self.info_label.text = 'Connected'
def send(self, *args):
self.bt_socket.send(self.send_text.text + '\n')
