QML is written in a text editor. You can use your favorite, if you have one. There is an IDE designed specifically for Qt projects called Qt Creator, which is available from the Ubuntu software repositories as
qtcreator. When you installed the Ubuntu SDK, a version of it was installed. Because the SDK includes templates and other helps, it is recommended.
Search the Dash for “ubuntu sdk” to find it and click the icon to open it. When the SDK opens, create ...