dtlaunch: Bangle 2: Use it's own chache file

Author: thyttan

apps/dtlaunch/ChangeLog

@@ -34,3 +34,4 @@ when moving pages. Add caching for faster startups.
 0.27: Bangle 2: Add setting to remember and present the last open page between instances of dtlaunch.
 0.28: Bangle 2: Fix showClocks and showLaunchers settings not taking effect by
       clearing cache when changing those settings.
+      Bangle 2: Use a separate cache file from the standard launcher.

apps/dtlaunch/app-b2.js

@@ -16,7 +16,7 @@
 
   let s = require("Storage");
   // Borrowed caching from Icon Launcher, code by halemmerich.
-  let launchCache = s.readJSON("launch.cache.json", true)||{};
+  let launchCache = s.readJSON("dtlaunch.cache.json", true)||{};
   let launchHash = require("Storage").hash(/\.info/);
   if (launchCache.hash!=launchHash) {
   launchCache = {
@@ -31,7 +31,7 @@
         if (a.name>b.name) return 1;
         return 0;
       }) };
-    s.writeJSON("launch.cache.json", launchCache);
+    s.writeJSON("dtlaunch.cache.json", launchCache);
   }
   let apps = launchCache.apps;
   let page = 0;

apps/dtlaunch/settings-b2.js

@@ -18,7 +18,7 @@
   const timeOutChoices = [/*LANG*/"Off", "10s", "15s", "20s", "30s"];
 
   function clearCache() {
-    require("Storage").erase("launch.cache.json")
+    require("Storage").erase("dtlaunch.cache.json")
   }
 
   E.showMenu({