launcher.py: add support for builtin apps

This commit is contained in:
Thomas Farstrike
2025-04-29 17:10:32 +02:00
parent 7cff865ae1
commit 12ca04190c
@@ -0,0 +1,109 @@
# bin files:
# All icons took: 1085ms
# All icons took: 1051ms
# All icons took: 1032ms
# All icons took: 1118ms
# png files:
# All icons took: 1258ms
# All icons took: 1457ms
# All icons took: 1250ms
# Most of this time is actually spent reading and parsing manifests.
import uos
import lvgl as lv
# Create a container for the grid
cont = lv.obj(subwindow)
cont.set_size(lv.pct(100), lv.pct(100))
cont.set_style_pad_all(10, 0)
cont.set_flex_flow(lv.FLEX_FLOW.ROW_WRAP)
# Grid parameters
icon_size = 64 # Adjust based on your display
label_height = 24
iconcont_width = icon_size + 24
iconcont_height = icon_size + label_height
import time
start = time.ticks_ms()
def load_icon(icon_path):
with open(icon_path, 'rb') as f:
f.seek(12) # first 12 bytes are headers
image_data = f.read()
image_dsc = lv.image_dsc_t({
"header": {
"magic": lv.IMAGE_HEADER_MAGIC,
"w": 64,
"h": 64,
"stride": 64 * 2,
"cf": lv.COLOR_FORMAT.RGB565A8
},
'data_size': len(image_data),
'data': image_data
})
return image_dsc
# Check and collect subdirectories from existing directories
apps_dir = "/apps"
apps_dir_builtin = "/apps_builtin"
app_dirs = []
seen_base_names = set()
# Check and collect unique subdirectories from existing directories
for dir_path in [apps_dir, apps_dir_builtin]:
try:
# Verify directory exists and is a directory
if uos.stat(dir_path)[0] & 0x4000:
# Iterate over subdirectories
for d in uos.listdir(dir_path):
full_path = f"{dir_path}/{d}"
# Check if it's a directory
if uos.stat(full_path)[0] & 0x4000:
# Extract base name (e.g., 'example' from '/apps/example')
base_name = d
# Only add if base name hasn't been seen
if base_name not in seen_base_names:
app_dirs.append(full_path)
seen_base_names.add(base_name)
except OSError:
# Skip if directory doesn't exist or isn't accessible
pass
# Should we skip 'Launcher' apps from the list here?
for app_dir in app_dirs:
# Paths
app_dir_fullpath = f"{apps_dir}/{app_dir}"
app_name, main_script = parse_manifest(f"{app_dir_fullpath}/META-INF/MANIFEST.MF")
# Create a container for each app (icon + label)
app_cont = lv.obj(cont)
app_cont.set_size(iconcont_width, iconcont_height)
app_cont.set_style_border_width(0, 0)
app_cont.set_style_pad_all(0, 0)
# Load and display icon
icon_path = f"{app_dir_fullpath}/res/mipmap-mdpi/icon_64x64.bin"
image = lv.image(app_cont)
try:
image.set_src(load_icon(icon_path))
except Exception as e:
print(f"Error loading icon {icon_path}: {e} - loading default icon")
icon_path = "/resources/default_icon_64x64.bin"
try:
image.set_src(load_icon(icon_path))
except Exception as e:
print(f"Error loading default icon {icon_path}: {e} - using symbol")
image.set_src(lv.SYMBOL.STOP) # square block
image.align(lv.ALIGN.TOP_MID, 0, 0)
image.set_size(icon_size, icon_size)
# Create label
label = lv.label(app_cont)
label.set_text(app_name)
label.set_long_mode(lv.label.LONG.WRAP)
label.set_width(iconcont_width)
label.align(lv.ALIGN.BOTTOM_MID, 0, 0)
label.set_style_text_align(lv.TEXT_ALIGN.CENTER, 0)
app_cont.add_event_cb(lambda e, app_dir_fullpath=app_dir_fullpath: start_app(app_dir_fullpath), lv.EVENT.CLICKED, None)
end = time.ticks_ms()
print(f"Displaying all icons took: {end-start}ms")