 // Creates the email and password text fields   Widget _textFields() {     return Form(         key: _formKey,         autovalidate: _validate,         child: Column(           children: <Widget>[             Container(               decoration: new BoxDecoration(                 border: new Border(                   bottom: new BorderSide(width: 0.0, color: Colors.grey),                 ),               ),               margin: const EdgeInsets.symmetric(                   vertical: 00.0, horizontal: 00.0),                // Email text field               child: Row(                 children: <Widget>[                   new Padding(                     padding: EdgeInsets.symmetric(                         vertical: 00.0, horizontal: 00.0),                     child: Icon(                       Icons.email,                       color: Colors.white,                     ),                   ),                   new Expanded(                     child: TextFormField(                       validator: validateEmail,                       onSaved: (String val) {                         email = val;                       },                       keyboardType: TextInputType.emailAddress,                       autofocus: true,                       