Merge pull request #3491 from thyttan/setui-proposal-preview

setuichange: fix push to undefined btnWatches array

as per https://forum.espruino.com/comments/17443678/

apps/setuichange/ChangeLog

@@ -1 +1,3 @@
 0.01: New App!
+0.02: Fix case where we tried to push to Bangle.btnWatches but it wasn't
+	defined.

apps/setuichange/boot.js

@@ -103,6 +103,7 @@ Bangle.setUI = (function(mode, cb) {
     Bangle.swipeHandler = options.swipe;
     Bangle.on("swipe", Bangle.swipeHandler);
   }
+  if ((options.btn || options.btnRelease) && !Bangle.btnWatches) Bangle.btnWatches = [];
   if (options.btn) Bangle.btnWatches.push(setWatch(options.btn.bind(options), BTN1, {repeat:1,edge:"rising"}))
   if (options.btnRelease) Bangle.btnWatches.push(setWatch(options.btnRelease.bind(options), BTN1, {repeat:1,edge:"falling"}))
   if (options.remove) // handler for removing the UI (intervals/etc)

apps/setuichange/metadata.json

@@ -1,6 +1,6 @@
 { "id": "setuichange",
   "name": "SetUI Proposals preview",
-  "version":"0.01",
+  "version":"0.02",
   "description": "Try out potential future changes to `Bangle.setUI`. Makes hardware button interaction snappier. Makes it possible to set custom event handlers on any type/mode, not just `\"custom\"`. Please provide feedback - see `Read more...` below.",
   "icon": "app.png",
   "tags": "",