Alert para confirmar cerrar Sesión Flutter.

• BY:Carlos Dario Flores
• 26/05/2021

{

Edit mas opciones:

Alert Material

Alert Cupertino

Comparto ejemplo

LogoutConfirm() {

      showDialog(

        context: context,

        barrierDismissible: false,

        builder: (BuildContext context) {

          return Dialog(

            elevation: 0.0,

            shape: RoundedRectangleBorder(

                borderRadius: BorderRadius.circular(10.0)),

            child: Container(

              height: 135.0,

              padding: EdgeInsets.all(20.0),

              child: Column(

                mainAxisAlignment: MainAxisAlignment.center,

                crossAxisAlignment: CrossAxisAlignment.center,

                children: <Widget>[

                  Text(

                    "Seguro que quieres cerrar sesión?",

                    style: blackBigTextStyle,

                  ),

                  SizedBox(

                    height: 20.0,

                  ),

                  Row(

                    mainAxisAlignment: MainAxisAlignment.spaceAround,

                    children: <Widget>[

                      InkWell(

                        onTap: () {

                          Navigator.pop(context);

                        },

                        child: Container(

                          width: (width / 3.5),

                          alignment: Alignment.center,

                          padding: EdgeInsets.all(10.0),

                          decoration: BoxDecoration(

                            color: Colors.grey[300],

                            borderRadius: BorderRadius.circular(5.0),

                          ),

                          child: Text(

                            'Cancelar',

                            style: blackColorButtonTextStyle,

                          ),

                        ),

                      ),

                      InkWell(

                        onTap: () async {

                               SharedPreferences preferences =

                        await SharedPreferences.getInstance();

                    preferences.clear();

                    Provider.of<TaskData>(context, listen: false)

                        .clearOrderData();

                        Navigator.pop(context);

                        Navigator.pop(context);

                        

                        },

                        child: Container(

                          width: (width / 3.5),

                          alignment: Alignment.center,

                          padding: EdgeInsets.all(10.0),

                          decoration: BoxDecoration(

                            color: primaryColor,

                            borderRadius: BorderRadius.circular(5.0),

                          ),

                          child: Text(

                            'Cerrar Sesión',

                            style: whiteColorButtonTextStyle,

                          ),

                        ),

                      ),

                    ],

                  ),

                ],

              ),

            ),

          );

        },

      );

    }

}