diff --git a/samples/back_button_test.lua b/samples/back_button_test.lua
new file mode 100644
index 0000000..08fdc0c
--- /dev/null
+++ b/samples/back_button_test.lua
@@ -0,0 +1,21 @@
+local names = { "Test", "Blah", "Works?", "Or not?" }
+local colors = { "#FF5733", "#33FF57", "#3357FF", "#FF33A1" }
+
+function on_resume()
+ ui:show_toast("Called!")
+ shuffle(names)
+ shuffle(colors)
+ ui:show_buttons(names, colors)
+end
+
+function on_click(idx)
+ apps:launch("org.telegram.messenger")
+end
+
+function shuffle(t)
+ for i = #t, 2, -1 do
+  local j = math.random(1, i)
+  t[i], t[j] = t[j], t[i]
+ end
+end
+
diff --git a/samples/on_resume_test.lua b/samples/on_resume_test.lua
index f3361af..090a1be 100644
--- a/samples/on_resume_test.lua
+++ b/samples/on_resume_test.lua
@@ -2,5 +2,5 @@ local i = 0
 
 function on_resume()
     i = i + 1
-    ui:show_toast("on_resume called: "..i)
+    ui:show_text("on_resume called: "..i)
 end