Merge pull request #3946 from RKBoss6/backlite-update

[BackLite] Fix settings bug

Author: bobrippling

apps/backlite/ChangeLog

@@ -1 +1,2 @@
 0.01: New app! (settings, boot.js).
+0.02: Fix settings defaulting brightness to 0

apps/backlite/boot.js

@@ -11,9 +11,9 @@
   //Set LCD to zero every reboot
   let s = require("Storage").readJSON("setting.json", 1) || {};
   s.brightness = 0;
-  if (!("lcdTimeout" in s)) s.lcdTimeout = 5; // fallback so  logic doesn't break
   require("Storage").writeJSON("setting.json", s);
-
+  //remove large settings object from memory
+  delete s;
   const longPressTime=400; //(ms)
 
   Bangle.on('lock', function(isLocked) {

apps/backlite/metadata.json

@@ -1,7 +1,7 @@
 {
   "id": "backlite",
   "name": "BackLite",
-  "version": "0.01",
+  "version": "0.02",
   "description": "Conserves battery life by turning the backlight on only on a long press of the button from a locked state. **Requires the latest settings update (v0.80)**",
   "icon": "icon.png",
   "type": "bootloader",

apps/backlite/settings.js

@@ -1,19 +1,19 @@
 (function(back) {
   var FILE = "BackLite.settings.json";
-  // Load settings
-  var settings = Object.assign({
-      brightness: 0.3,
-  }, require('Storage').readJSON(FILE, true) || {});
+
+  var settings = require("Storage").readJSON(FILE, 1) || {};
+  
+  if (!isFinite(settings.brightness)) settings.brightness = 0.3;
 
   function writeSettings() {
-    require('Storage').writeJSON(FILE, settings);
+    require("Storage").writeJSON(FILE, settings);
   }
 
-  // Show the menu
   E.showMenu({
     "" : { "title" : "BackLite" },
-    'Brightness': {
-      value: 0.3|settings.brightness,  
+    "< Back": back, // fallback if run standalone
+    "Brightness": {
+      value: settings.brightness,
       min: 0.1, max: 1,
       step: 0.1,
       onchange: v => {