title: Flutter how to make bottomsheet which stay always on top of every page
body: <p><strong>bottomsheet(not bottombar) which stay alway on top of entire app.if open an page it always stay on top</strong></p>
  <pre><code>WidgetsApp(
    debugShowCheckedModeBanner: false,
    color: Colors.pink,
    builder: (context, child) =&gt; Stack(
      children: [
        GetMaterialApp(
          debugShowCheckedModeBanner: false,
          color: Colors.pink,
          home: Scaffold(
            backgroundColor: Colors.amber,
            body: Center(
              child: TextButton(
                onPressed: () {},
                child: Text(
                  'data',
                ),
              ),
            ),
          ),
        ),
         //bottomsheet
        Positioned(
          bottom: 0,
          left: 0,
          right: 0,
          child: PlayerSheet(),
        )
      ],
    ),
  );
  </code></pre>
  <blockquote>
  <p>something like above</p>
  </blockquote>