gradient background in flutter container code example

Example 1: color gradient in flutter

decoration: BoxDecoration(
    gradient: LinearGradient(
      colors: [Colors.green, Colors.blue])
  ),

Example 2: gradient flutter container

Container(
        decoration: BoxDecoration(
            gradient: LinearGradient(
              begin: Alignment.topRight,
              end: Alignment.bottomLeft,
              colors: [Colors.blue, Colors.red])),
        child: Center(
          child: Text(
            'Hello Gradient!',
            style: TextStyle(
              fontSize: 48.0,
              fontWeight: FontWeight.bold,
              color: Colors.white),
          ),
        ),