simplemusic: re-add button controls

apps/simplemusic/README.md

@@ -10,12 +10,10 @@ Requires [Gadgetbridge](https://www.espruino.com/Gadgetbridge).
 2. Open a music player on your Android phone.
 3. Open this app on your Bangle.js.
 
-Note: On startup, Simple Music will ping Gadgetbridge for track data by quickly turning the volume up, then down. This only happens once, and shouldn't be noticeable in most cases.
-
 ## Features
 
 - Shows the current song title and album
-- Provides buttons for changing or pausing the current track.
+- Provides on-screen buttons for changing or pausing the current track.
 - Supports swiping
 
 ## Controls

apps/simplemusic/app.js

@@ -107,11 +107,9 @@ function initialize() {
   });
 
   // Toggle play/pause if the button is pressed
-  /*
   setWatch(function() {
     sendCommand(appState.state === PlaybackState.paused ? Command.play : Command.pause, true);
-  }, BTN, {edge:"rising", debounce:50, repeat:true});
-  */
+  }, BTN, {edge: "falling", debounce: 50, repeat: true});
 
   // Goad Gadgetbridge into sending us the current track info
   sendCommand(Command.volumeup, false);