From 89bb4723646f7bdad952fa4d7d4e954161492203 Mon Sep 17 00:00:00 2001
From: Pavel Machek <pavel@ucw.cz>
Date: Sat, 7 Mar 2026 23:50:35 +0100
Subject: [PATCH] cellular: First version, shows operator name and registration
 state

---
 .../META-INF/MANIFEST.JSON                    |  24 ++++
 .../apps/cz.ucw.pavel.cellular/assets/main.py | 103 ++++++++++++++++++
 .../res/mipmap-mdpi/icon_64x64.png            | Bin 0 -> 6765 bytes
 3 files changed, 127 insertions(+)
 create mode 100644 internal_filesystem/apps/cz.ucw.pavel.cellular/META-INF/MANIFEST.JSON
 create mode 100644 internal_filesystem/apps/cz.ucw.pavel.cellular/assets/main.py
 create mode 100644 internal_filesystem/apps/cz.ucw.pavel.cellular/res/mipmap-mdpi/icon_64x64.png

diff --git a/internal_filesystem/apps/cz.ucw.pavel.cellular/META-INF/MANIFEST.JSON b/internal_filesystem/apps/cz.ucw.pavel.cellular/META-INF/MANIFEST.JSON
new file mode 100644
index 00000000..9e6b0742
--- /dev/null
+++ b/internal_filesystem/apps/cz.ucw.pavel.cellular/META-INF/MANIFEST.JSON
@@ -0,0 +1,24 @@
+{
+"name": "Xxx",
+"publisher": "Pavel Machek",
+"short_description": "Xxx",
+"long_description": "Simple xxx app.",
+"icon_url": "https://apps.micropythonos.com/apps/cz.ucw.pavel.xxx/icons/cz.ucw.pavel.xxx_0.0.1_64x64.png",
+"download_url": "https://apps.micropythonos.com/apps/cz.ucw.pavel.xxx/mpks/cz.ucw.pavel.xxx_0.0.1.mpk",
+"fullname": "cz.ucw.pavel.xxx",
+"version": "0.0.1",
+"category": "utilities",
+"activities": [
+    {
+      "entrypoint": "assets/main.py",
+      "classname": "Main",
+      "intent_filters": [
+        {
+          "action": "main",
+          "category": "launcher"
+        }
+      ]
+    }
+  ]
+}
+
diff --git a/internal_filesystem/apps/cz.ucw.pavel.cellular/assets/main.py b/internal_filesystem/apps/cz.ucw.pavel.cellular/assets/main.py
new file mode 100644
index 00000000..dcd5dcdd
--- /dev/null
+++ b/internal_filesystem/apps/cz.ucw.pavel.cellular/assets/main.py
@@ -0,0 +1,103 @@
+from mpos import Activity
+
+"""
+
+"""
+
+import time
+import os
+import json
+
+try:
+    import lvgl as lv
+except ImportError:
+    pass
+
+from mpos import Activity, MposKeyboard
+
+TMP = "/tmp/cmd.json"
+
+
+def run_cmd_json(cmd):
+    rc = os.system(cmd + " > " + TMP)
+    if rc != 0:
+        raise RuntimeError("command failed")
+
+    with open(TMP, "r") as f:
+        data = f.read().strip()
+
+    return json.loads(data)
+
+def dbus_json(cmd):
+    return run_cmd_json("sudo /home/mobian/g/MicroPythonOS/phone.py " + cmd)
+
+class CellularManager:
+    def init(self):
+        v = dbus_json("loc_on")
+    
+    def poll(self):
+        v = dbus_json("signal")
+        print(v)
+        self.signal = v
+
+cm = CellularManager()
+
+# ------------------------------------------------------------
+#
+# ------------------------------------------------------------
+
+class Main(Activity):
+
+    def __init__(self):
+        super().__init__()
+
+     # --------------------
+
+    def onCreate(self):
+        self.screen = lv.obj()
+        #self.screen.remove_flag(lv.obj.FLAG.SCROLLABLE)
+
+        # Top labels
+        self.lbl_time = lv.label(self.screen)
+        self.lbl_time.set_style_text_font(lv.font_montserrat_24, 0)
+        self.lbl_time.set_text("Startup...")
+        self.lbl_time.align(lv.ALIGN.TOP_LEFT, 6, 22)
+
+        self.lbl_date = lv.label(self.screen)
+        self.lbl_date.align(lv.ALIGN.TOP_LEFT, 6, 48)
+
+        self.lbl_month = lv.label(self.screen)
+        self.lbl_month.align(lv.ALIGN.TOP_RIGHT, -6, 10)
+
+        self.setContentView(self.screen)
+        cm.init()
+
+    def onResume(self, screen):
+        self.timer = lv.timer_create(self.tick, 3000, None)
+        self.tick(0)
+
+    def onPause(self, screen):
+        if self.timer:
+            self.timer.delete()
+            self.timer = None
+
+    # --------------------
+
+    def tick(self, t):
+        now = time.localtime()
+        y, m, d = now[0], now[1], now[2]
+        hh, mm, ss = now[3], now[4], now[5]
+
+        cm.poll()
+        s = "\n"
+        s += cm.signal["OperatorName"] + "\n"
+        s += "RegistrationState %d\n" % cm.signal["RegistrationState"]
+        s += "State %d\n" % cm.signal["State"]
+
+        self.lbl_time.set_text("%02d:%02d" % (hh, mm))
+        self.lbl_date.set_text("%04d-%02d-%02d %s" % (y, m, d, s))
+
+
+    # --------------------
+
+
diff --git a/internal_filesystem/apps/cz.ucw.pavel.cellular/res/mipmap-mdpi/icon_64x64.png b/internal_filesystem/apps/cz.ucw.pavel.cellular/res/mipmap-mdpi/icon_64x64.png
new file mode 100644
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