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ThomasFarstrikeThomasFarstrike
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Add com.micropythonos.nostr
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‎internal_filesystem/apps/com.micropythonos.nostr/META-INF/MANIFEST.JSON‎

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{
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"name": "Nostr",
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"publisher": "MicroPythonOS",
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"short_description": "Nostr",
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"long_description": "Notest and Other Stuff Transmitted by Relays",
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"icon_url": "https://apps.micropythonos.com/apps/com.micropythonos.nostr/icons/com.micropythonos.nostr_0.1.0_64x64.png",
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"download_url": "https://apps.micropythonos.com/apps/com.micropythonos.nostr/mpks/com.micropythonos.nostr_0.1.0.mpk",
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"fullname": "com.micropythonos.nostr",
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"version": "0.1.0",
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"category": "communication",
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"activities": [
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{
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"entrypoint": "assets/nostr.py",
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"classname": "Nostr",
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"intent_filters": [
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{
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"action": "main",
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"category": "launcher"
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}
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]
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}
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]
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}

‎internal_filesystem/apps/com.micropythonos.nostr/assets/confetti.py‎

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import time
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import random
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import lvgl as lv
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import mpos.ui
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class Confetti:
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"""Manages confetti animation with physics simulation."""
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def __init__(self, screen, icon_path, asset_path, duration=10000):
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"""
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Initialize the Confetti system.
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Args:
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screen: The LVGL screen/display object
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icon_path: Path to icon assets (e.g., "M:apps/com.lightningpiggy.displaywallet/res/mipmap-mdpi/")
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asset_path: Path to confetti assets (e.g., "M:apps/com.lightningpiggy.displaywallet/res/drawable-mdpi/")
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max_confetti: Maximum number of confetti pieces to display
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"""
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self.screen = screen
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self.icon_path = icon_path
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self.asset_path = asset_path
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self.duration = duration
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self.max_confetti = 21
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# Physics constants
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self.GRAVITY = 100 # pixels/sec²
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# Screen dimensions
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self.screen_width = screen.get_display().get_horizontal_resolution()
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self.screen_height = screen.get_display().get_vertical_resolution()
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# State
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self.is_running = False
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self.last_time = time.ticks_ms()
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self.confetti_pieces = []
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self.confetti_images = []
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self.used_img_indices = set()
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# Spawn control
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self.spawn_timer = 0
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self.spawn_interval = 0.15 # seconds
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self.animation_start = 0
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# Pre-create LVGL image objects
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self._init_images()
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def _init_images(self):
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"""Pre-create LVGL image objects for confetti."""
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iconimages = 2
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for _ in range(iconimages):
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img = lv.image(lv.layer_top())
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img.set_src(f"{self.icon_path}icon_64x64.png")
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img.add_flag(lv.obj.FLAG.HIDDEN)
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self.confetti_images.append(img)
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for i in range(self.max_confetti - iconimages):
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img = lv.image(lv.layer_top())
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img.set_src(f"{self.asset_path}confetti{random.randint(0, 4)}.png")
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img.add_flag(lv.obj.FLAG.HIDDEN)
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self.confetti_images.append(img)
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def start(self):
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"""Start the confetti animation."""
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if self.is_running:
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return
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self.is_running = True
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self.last_time = time.ticks_ms()
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self._clear_confetti()
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# Staggered spawn control
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self.spawn_timer = 0
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self.animation_start = time.ticks_ms() / 1000.0
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# Initial burst
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for _ in range(10):
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self._spawn_one()
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# Register update callback
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mpos.ui.task_handler.add_event_cb(self._update_frame, 1)
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# Stop spawning after 15 seconds
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lv.timer_create(self.stop, self.duration, None).set_repeat_count(1)
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def stop(self, timer=None):
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"""Stop the confetti animation."""
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self.is_running = False
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def _clear_confetti(self):
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"""Clear all confetti pieces from the screen."""
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for img in self.confetti_images:
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img.add_flag(lv.obj.FLAG.HIDDEN)
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self.confetti_pieces = []
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self.used_img_indices.clear()
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def _update_frame(self, a, b):
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"""Update frame for confetti animation. Called by task handler."""
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current_time = time.ticks_ms()
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delta_time = time.ticks_diff(current_time, self.last_time) / 1000.0
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self.last_time = current_time
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# === STAGGERED SPAWNING ===
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if self.is_running:
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self.spawn_timer += delta_time
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if self.spawn_timer >= self.spawn_interval:
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self.spawn_timer = 0
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for _ in range(random.randint(1, 2)):
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if len(self.confetti_pieces) < self.max_confetti:
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self._spawn_one()
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# === UPDATE ALL PIECES ===
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new_pieces = []
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for piece in self.confetti_pieces:
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# Physics
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piece['age'] += delta_time
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piece['x'] += piece['vx'] * delta_time
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piece['y'] += piece['vy'] * delta_time
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piece['vy'] += self.GRAVITY * delta_time
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piece['rotation'] += piece['spin'] * delta_time
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piece['scale'] = max(0.3, 1.0 - (piece['age'] / piece['lifetime']) * 0.7)
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# Render
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img = self.confetti_images[piece['img_idx']]
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img.remove_flag(lv.obj.FLAG.HIDDEN)
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img.set_pos(int(piece['x']), int(piece['y']))
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img.set_rotation(int(piece['rotation'] * 10))
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orig = img.get_width()
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if orig >= 64:
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img.set_scale(int(256 * piece['scale'] / 1.5))
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elif orig < 32:
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img.set_scale(int(256 * piece['scale'] * 1.5))
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else:
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img.set_scale(int(256 * piece['scale']))
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# Death check
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dead = (
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piece['x'] < -60 or piece['x'] > self.screen_width + 60 or
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piece['y'] > self.screen_height + 60 or
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piece['age'] > piece['lifetime']
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)
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if dead:
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img.add_flag(lv.obj.FLAG.HIDDEN)
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self.used_img_indices.discard(piece['img_idx'])
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else:
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new_pieces.append(piece)
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self.confetti_pieces = new_pieces
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# Full stop when empty and paused
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if not self.confetti_pieces and not self.is_running:
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print("Confetti finished")
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mpos.ui.task_handler.remove_event_cb(self._update_frame)
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def _spawn_one(self):
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"""Spawn a single confetti piece."""
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if not self.is_running:
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return
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# Find a free image slot
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for idx, img in enumerate(self.confetti_images):
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if img.has_flag(lv.obj.FLAG.HIDDEN) and idx not in self.used_img_indices:
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break
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else:
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return # No free slot
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piece = {
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'img_idx': idx,
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'x': random.uniform(-50, self.screen_width + 50),
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'y': random.uniform(50, 100), # Start above screen
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'vx': random.uniform(-80, 80),
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'vy': random.uniform(-150, 0),
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'spin': random.uniform(-500, 500),
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'age': 0.0,
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'lifetime': random.uniform(5.0, 10.0), # Long enough to fill 10s
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'rotation': random.uniform(0, 360),
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'scale': 1.0
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}
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self.confetti_pieces.append(piece)
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self.used_img_indices.add(idx)

‎internal_filesystem/apps/com.micropythonos.nostr/assets/fullscreen_qr.py‎

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import lvgl as lv
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from mpos import Activity, min_resolution
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class FullscreenQR(Activity):
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# No __init__() so super.__init__() will be called automatically
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def onCreate(self):
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receive_qr_data = self.getIntent().extras.get("receive_qr_data")
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qr_screen = lv.obj()
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qr_screen.set_scrollbar_mode(lv.SCROLLBAR_MODE.OFF)
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qr_screen.set_scroll_dir(lv.DIR.NONE)
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qr_screen.add_event_cb(lambda e: self.finish(),lv.EVENT.CLICKED,None)
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big_receive_qr = lv.qrcode(qr_screen)
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big_receive_qr.set_size(min_resolution())
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big_receive_qr.set_dark_color(lv.color_black())
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big_receive_qr.set_light_color(lv.color_white())
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big_receive_qr.center()
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big_receive_qr.set_style_border_color(lv.color_white(), 0)
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big_receive_qr.set_style_border_width(0, 0);
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big_receive_qr.update(receive_qr_data, len(receive_qr_data))
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self.setContentView(qr_screen)

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