Widget build(BuildContext context) {
    return Scaffold(
      body: Center(
        child: ElevatedButton(
          onPressed: () {
            Navigator.push(
              context,
              MaterialPageRoute(builder: (context) => ChangePWD()),
            );
          },
          child: const Text('Change password'),
        ),
      ),
      floatingActionButton: SpeedDial(
          icon: Icons.settings,
          backgroundColor: Colors.amber,
          children: [
            SpeedDialChild(
              child: const Icon(Icons.help),
              label: 'Help',
              backgroundColor: Colors.amberAccent,
              onTap: () {},
            ),
            SpeedDialChild(
              child: const Icon(Icons.photo_camera),
              label: 'Activate/Deactivate: Take Photo',
              backgroundColor: fun.switchSendPhoto == true
                  ? const Color.fromARGB(255, 109, 255, 64)
                  : const Color.fromARGB(255, 255, 64, 64),
              onTap: () {
                setState(() {
                  fun.switchTakePhoto = !fun.switchTakePhoto;
                });
              },
            ),
            SpeedDialChild(
              child: const Icon(Icons.send),
              label: 'Activate/Deactivate: Send Photo',
              backgroundColor: fun.switchSendPhoto
                  ? const Color.fromARGB(255, 109, 255, 64)
                  : const Color.fromARGB(255, 255, 64, 64),
              onTap: () {
                fun.switchSendPhoto = !fun.switchSendPhoto;
              },
            ),
            SpeedDialChild(
              child: const Icon(Icons.record_voice_over),
              label: 'Activate/Deactivate: Record Audio',
              backgroundColor: fun.switchSendPhoto
                  ? const Color.fromARGB(255, 109, 255, 64)
                  : const Color.fromARGB(255, 255, 64, 64),
              onTap: () {
                fun.switchRec = !fun.switchRec;
              },
            ),
            SpeedDialChild(
              child: const Icon(Icons.play_circle),
              label: 'Activate/Deactivate: Play Audio',
              backgroundColor: fun.switchSendPhoto
                  ? const Color.fromARGB(255, 109, 255, 64)
                  : const Color.fromARGB(255, 255, 64, 64),
              onTap: () {
                fun.switchPlay = !fun.switchPlay;
              },
            ),
            SpeedDialChild(
              child: const Icon(Icons.notifications),
              label: 'Activate/Deactivate: Notifications',
              backgroundColor: fun.switchSendPhoto
                  ? const Color.fromARGB(255, 109, 255, 64)
                  : const Color.fromARGB(255, 255, 64, 64),
              onTap: () {
                fun.switchNotifications = !fun.switchNotifications;
              },
            ),
          ]),
    );
  }
}