add phone functions #2

samples/dialer-sample.lua

@@ -1,11 +1,19 @@
 function on_resume()
-    ui:show_lines({ "Make call 123", "Send SMS 123" })
+    ui:show_lines({
+        "Make call 123",
+        "Send SMS 123",
+        "Show dialog"
+    })
 end
 
 function on_click(idx)
     if idx == 1 then
         phone:make_call("123")
-    else
+    elseif idx == 2 then
         phone:send_sms("123", "Test")
+    else
+        local first_contact = phone:get_contacts()[1]
+        phone:show_contact_dialog(first_contact.id)
     end
 end
+