Phone finder app

* Added phone finder app that works with Gadgetbridge
* Fixed bug in ToggleButton
* Moved send_cmd from music player to gadgetbridge.py for all apps to use

Signed-off-by: Adam Blair adampblair@protonmail.com

README.rst

@@ -265,3 +265,7 @@ application (and the "blank" white screen is a torch application):
 .. image:: res/BeaconApp.png
    :alt: Flash the relatively powerful HRS LED repeatedly
    :width: 179
+
+.. image:: res/FinderApp.png
+   :alt: Find your phone by causing it to ring
+   :width: 179

apps/PhoneFinder.py

@@ -0,0 +1,96 @@
+# SPDX-License-Identifier: LGPL-3.0-or-later
+# Copyright (C) 2023 Adam Blair
+"""Phone finder application
+~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+An application to find a phone connected via Gadgetbridge.
+
+    .. figure:: res/FinderApp.png
+        :width: 179
+
+        Screenshot of the Phone Finder Application
+
+"""
+
+import wasp
+import fonts
+import widgets
+from gadgetbridge import send_cmd
+
+# 2-bit RLE, 96x64, generated from res/phone_finder_icon.png, 403 bytes
+icon = (
+    b'\x02'
+    b'`@'
+    b'?\xff\xff\x87@\xd0G?\x17C\x07C?\x12B\r'
+    b'B?\x0fA\x11A?\rA\x13A?\x0bA\x15A'
+    b'?\tA?\x1fA!\x80\xb4\x84:A\rG\r\x84'
+    b'9A\x0cB\x07B?\tA\x0bA\x0bA?\x08A'
+    b'\nA\rA\t\x848A\nA\x18\x848A\tA'
+    b'\tD\x0c\x848A\x08A\x08B\x04B\n\x848A'
+    b'\x08A\x06B\x08A\t\x848A\x07A\x06A\x14A'
+    b'\x838A\x07A\x06A\x01A\x91B\x83A7A\x07'
+    b'A\x05A\x01A\x98A7A\x06A\x05A\x01\x82\x16'
+    b'\x827A\x06A\x04A\x02\x82\x04N\x04\x827A\x06'
+    b'A\x04A\x02\x82\x04N\x04\x828A\x05A\x04A\x02'
+    b'\x82\x04N\x04\x828A\x06A\x03A\x02\x82\x16\x829'
+    b'A\x05A\x04A\x01\x82\x02R\x02\x82:A\x05A\x03'
+    b'A\x01\x82\x02R\x02\x82;A\x05A\x03A\x82\x02R'
+    b'\x02\x82<A\x05A\x02A\x82\x02R\x02\x82?\x07\x82'
+    b'\x02R\x02\x82?\x07\x82\x02R\x02\x82?\x07\x82\x02R'
+    b'\x02\x82?\x07\x82\x02R\x02\x82?\x07\x82\x02R\x02\x82'
+    b'?\x07\x82\x02R\x02\x82?\x07\x82\x02R\x02\x82?\x07'
+    b'\x82\x02R\x02\x82?\x07\x82\x02R\x02\x82?\x07\x82\x02'
+    b'R\x02\x82?\x07\x82\x02R\x02\x82?\x07\x82\x02R\x02'
+    b'\x82?\x07\x82\x02R\x02\x82?\x07\x82\x02R\x02\x82?'
+    b'\x07\x82\x02R\x02\x82?\x07\x82\x02R\x02\x82?\x07\x82'
+    b'\x02R\x02\x82?\x07\x82\x02R\x02\x82?\x07\x82\x02R'
+    b'\x02\x82?\x07\x82\x16\x82?\x07\x82\x06J\x06\x82?\x07'
+    b'\x82\x16\x82?\x07A\x98A?\x08A\x96A?\xff\xc1'
+)
+
+class PhoneFinderApp():
+    """Allows the user to set a vibration alarm.
+    """
+    NAME = 'Finder'
+    ICON = icon
+
+    def __init__(self):
+        """Initialize the application."""
+        pass
+
+    def foreground(self):
+        """Activate the application."""
+        self.ring_btn = widgets.ToggleButton(20, 120, 200, 60, 'Ring')
+
+        self._draw()
+        wasp.system.request_event(wasp.EventMask.TOUCH)
+        wasp.system.request_tick(1000)
+
+    def background(self):
+        """De-activate the application."""
+        self.ring_btn = None
+        del self.ring_btn
+
+    def tick(self, ticks):
+        """Notify the application that its periodic tick is due."""
+        wasp.system.bar.update()
+
+    def touch(self, event):
+        """Notify the application of a touchscreen touch event."""
+        if self.ring_btn.touch(event):
+            if self.ring_btn.state:
+                send_cmd('{"t":"findPhone", "n":"true"} ')
+            else:
+                send_cmd('{"t":"findPhone", "n":"false"} ')
+
+    def _draw(self):
+        """Draw the display from scratch."""
+        draw = wasp.watch.drawable
+        draw.fill()
+        sbar = wasp.system.bar
+        sbar.clock = True
+        sbar.draw()
+
+        draw.set_font(fonts.sans24)
+        draw.string('Find phone', 60, 70, width=120)
+        self.ring_btn.draw()

docs/apps.rst

@@ -55,6 +55,8 @@ Applications
 
 .. automodule:: apps.flashlight
 
+.. automodule:: PhoneFinder
+
 .. automodule:: apps.gallery
 
 .. automodule:: apps.haiku

wasp/apps/musicplayer.py

@@ -23,6 +23,7 @@ import icons
 import time
 
 from micropython import const
+from gadgetbridge import send_cmd
 
 # 2-bit RLE, generated from res/music_icon.png, 358 bytes
 icon = (
@@ -74,15 +75,6 @@ class MusicPlayerApp(object):
         self._track_changed = True
         self._artist_changed = True
 
-    def _send_cmd(self, cmd):
-        print('\r')
-        for i in range(1):
-            for i in range(0, len(cmd), 20):
-                print(cmd[i: i + 20], end='')
-                time.sleep(0.2)
-            print(' ')
-        print(' ')
-
     def _fill_space(self, key):
         if key == 'top':
             wasp.watch.drawable.fill(
@@ -151,9 +143,9 @@ class MusicPlayerApp(object):
         Notify the application of a touchscreen swipe event.
         """
         if event[0] == wasp.EventType.UP:
-            self._send_cmd('{"t":"music", "n":"volumeup"} ')
+            send_cmd('{"t":"music", "n":"volumeup"} ')
         elif event[0] == wasp.EventType.DOWN:
-            self._send_cmd('{"t":"music", "n":"volumedown"} ')
+            send_cmd('{"t":"music", "n":"volumedown"} ')
 
     def touch(self, event):
         if self._pauseplay.touch(event):
@@ -162,16 +154,16 @@ class MusicPlayerApp(object):
                 self._musicstate = 'play'
                 self._pauseplay.gfx = icons.pause
                 self._pauseplay.draw()
-                self._send_cmd('{"t":"music", "n":"play"} ')
+                send_cmd('{"t":"music", "n":"play"} ')
             else:
                 self._musicstate = 'pause'
                 self._pauseplay.gfx = icons.play
                 self._pauseplay.draw()
-                self._send_cmd('{"t":"music", "n":"pause"} ')
+                send_cmd('{"t":"music", "n":"pause"} ')
         elif self._back.touch(event):
-            self._send_cmd('{"t":"music", "n":"previous"} ')
+            send_cmd('{"t":"music", "n":"previous"} ')
         elif self._fwd.touch(event):
-            self._send_cmd('{"t":"music", "n":"next"} ')
+            send_cmd('{"t":"music", "n":"next"} ')
 
     def draw(self):
         """Redraw the display from scratch."""

wasp/gadgetbridge.py

@@ -22,6 +22,7 @@ import io
 import json
 import sys
 import wasp
+import time
 
 # JSON compatibility
 null = None
@@ -66,3 +67,12 @@ def GB(cmd):
         sys.print_exception(e, msg)
         _error(msg.getvalue())
         msg.close()
+
+def send_cmd(cmd = ''):
+    print('\r')
+    for i in range(1):
+        for i in range(0, len(cmd), 20):
+            print(cmd[i: i + 20], end='')
+            time.sleep(0.2)
+        print(' ')
+    print(' ')

wasp/widgets.py

@@ -282,6 +282,9 @@ class ToggleButton(Button):
         if super().touch(event):
             self.state = not self.state
             self.draw()
+            return True
+        else:
+            return False
 
 class Checkbox():
     """A simple (labelled) checkbox."""