How to put on body: background image?

Question

I tried several options to put the background, it did not work. This is one page, only search will be all. You can advise in setting the background. Code on github

Answer 1

you can use the stack widget.

Stack(
        children: <Widget>[
          Container(
            decoration: BoxDecoration(
              image: DecorationImage(
                  image: AssetImage(
                    'assets/yourbackgroundimage.jpg',
                  ),
                  fit: BoxFit.cover),
            ),
            child: BackdropFilter(
              filter: ImageFilter.blur(sigmaX: 6.0, sigmaY: 6.0),
              child: Container(
                decoration: BoxDecoration(
                  color: Colors.white.withOpacity(0.0),
                ),
              ),
            ),
          ),
          Scaffold(....)