launcher.py

launcher.py

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+import uos
+#import ufs
+import uio
+import machine
+
+# Function to parse MANIFEST.MF
+def parse_manifest(manifest_path):
+    name = "Unknown"
+    try:
+        with uio.open(manifest_path, 'r') as f:
+            for line in f:
+                line = line.strip()
+                if line.startswith("Name:"):
+                    name = line.split(":", 1)[1].strip()
+                    break
+    except OSError:
+        print(f"Error reading {manifest_path}")
+    return name
+
+# Function to load PNG icon
+def load_icon(icon_path):
+    try:
+        img = lv.img(lv.screen_active())
+        img.set_src(icon_path)
+        return img
+    except Exception as e:
+        print(f"Error loading icon {icon_path}: {e}")
+        # Fallback: create a placeholder image
+        img = lv.img(lv.screen_active())
+        img.set_src(lv.SYMBOL.DUMMY)  # Or use a default image
+        return img
+
+# Function to handle icon/label click
+def on_app_click(event, app_name, app_dir):
+    if event.get_code() == lv.EVENT.CLICKED:
+        print(f"Launching app: {app_name} ({app_dir})")
+
+# Create the app launcher
+def create_app_launcher():
+    # Get list of app directories
+    apps_dir = "/apps"
+    app_dirs = []
+    try:
+        app_dirs = [d for d in uos.listdir(apps_dir) if uos.stat(f"{apps_dir}/{d}")[0] & 0x4000]  # Directories only
+    except OSError:
+        print("Error accessing /apps directory")
+        return
+
+    # Create a container for the grid
+    cont = lv.obj(lv.screen_active())
+    cont.set_size(lv.pct(100), lv.pct(100))
+    cont.set_style_pad_all(10, 0)
+    cont.set_style_border_width(0, 0)
+    cont.set_flex_flow(lv.FLEX_FLOW.ROW_WRAP)
+
+    # Grid parameters
+    icon_size = 64  # Adjust based on your display
+    label_height = 20
+    col_gap = 20
+    row_gap = 20
+
+    for app_dir in app_dirs:
+        # Paths
+        base_path = f"{apps_dir}/{app_dir}"
+        icon_path = f"{base_path}/res/mipmap-mdpi/launcher_icon.png"
+        manifest_path = f"{base_path}/META-INF/MANIFEST.MF"
+
+        # Get app name from MANIFEST.MF
+        app_name = parse_manifest(manifest_path)
+
+        # Create a container for each app (icon + label)
+        app_cont = lv.obj(cont)
+        app_cont.set_size(icon_size, icon_size + label_height)
+        app_cont.set_style_border_width(0, 0)
+        app_cont.set_style_pad_all(0, 0)
+
+        # Load and display icon
+        img = load_icon(icon_path)
+        img.align(lv.ALIGN.TOP_MID, 0, 0)
+        img.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(icon_size)
+        label.align(lv.ALIGN.BOTTOM_MID, 0, 0)
+        label.set_style_text_align(lv.TEXT_ALIGN.CENTER, 0)
+
+        # Add click event to both icon and label
+        img.add_event_cb(lambda e: on_app_click(e, app_name, app_dir), lv.EVENT.CLICKED, None)
+        label.add_event_cb(lambda e: on_app_click(e, app_name, app_dir), lv.EVENT.CLICKED, None)
+
+# Run the app launcher
+create_app_launcher()
+