add settings API

samples/args-test.lua

@@ -1,12 +0,0 @@
--- arguments_help = "The word recorded here will be displayed on the screen."
--- arguments_default = "Word"
-
-function on_resume()
-    local args = aio:get_args()
-
-    if args == nil then
-        ui:show_text("args is empty")
-    else
-        ui:show_text("arg1: "..args[1])
-    end
-end

samples/settings-test.lua

@@ -0,0 +1,18 @@
+function on_resume()
+  local s1 = {
+    key1 = "value1",
+    key2 = "value2",
+  }
+
+  settings:set_kv(s1)
+
+  local s2 = settings:get_kv()
+
+  ui:show_text("key1="..s2.key1.." ".."key2="..s2.key2)
+end
+
+function on_settings()
+  local s = settings:get_kv()
+
+  ui:show_dialog("Settings", "key1="..s.key1.." ".."key2="..s.key2)
+end