Add prefs sample for the side menu

samples/prefs-menu.lua

@@ -0,0 +1,31 @@
+-- type = "drawer"
+
+-- This script shows how to manage settings in the side menu script
+
+local prefs = require("prefs")
+
+function on_drawer_open()
+    -- Init prefs table with default values
+    if prefs.elem1 == nil then
+        prefs.elem1 = "Element #1"
+    end
+    if prefs.elem2 == nil then
+        prefs.elem2 = "Element #2"
+    end
+    if prefs.elem3 == nil then
+        prefs.elem3 = "Element #3"
+    end
+
+    -- Show values from the prefs table
+    drawer:show_list{
+        prefs.elem1,
+        prefs.elem2,
+        prefs.elem3,
+    }
+end
+
+function on_click()
+    -- Show prefs edit dialog
+    -- On the next open side menu it will show changed values
+    prefs:show_dialog()
+end