How to implement a layer above a layout?

Question

How to implement a layer above a layout? like this pic: http://ss12.sinaimg.cn/orignal/5d8cb30ag8f47eca43a5b&690

Answer 1

use a Relative Layout

Answer 2

To create that kind of floating menu I think PopupWindow would be what you are looking for.

Answer 3

I guess this link will help you a lot. It shows examples on how to implement the Quick Actions pattern and also the kind of menus you requested which btw are also used in the Google Gallery app.

Here's the link: http://www.londatiga.net/it/how-to-create-quickaction-dialog-in-android/