android dialog transparent

Question

I want to get rid of the border in my dialog box and make it look absolutly transparent, as if the image is on the top of screen.

Answer 1

The simplest way of doing this is that in your DialogFragment's onCreate() method, call

setStyle(DialogFragment.STYLE_NO_FRAME, 0);

And if the view you returned in onCreateView does not have a background specified, the dialog's background will be just transparent.

Why? DialogFragment.STYLE_NO_FRAME means that OS will not do any drawing in the window of the dialog, and your view is 100% responsible for drawing everything about the dialog.