Widget favorites(String doctorsid) {
      final DocumentReference documentReference00 =
          Firestore.instance.document("Doctors/$doctorsid");
      documentReference00.get().then((datasnapshot) {
        return new ListTile(
          title: Text(datasnapshot.data['Name']),
          subtitle: Text(datasnapshot.data['Field']),
          onTap: () {
            setState(() {
              doctorid = datasnapshot.data['ID'];
              name = datasnapshot.data['Name'];
              field = datasnapshot.data['Field'];
              picture = datasnapshot.data['Picture'];
              specialty = datasnapshot.data['Specialty'];
              description = datasnapshot.data['Description'];
              status = datasnapshot.data['Status'];
              location = datasnapshot.data['Location'];
              number = datasnapshot.data['Number'];
              contracted = datasnapshot.data['Contracted'];
              location2 = datasnapshot.data['Location2'];
              rate = double.parse('${datasnapshot.data['Rate']}');
              numberofrates =
                  double.parse('${datasnapshot.data['Rate_Number']}');
              phone = "tel:" + '$number';
              hasfree = datasnapshot.data['Free_Appointment'];
            });

            Navigator.push(
              context,
              MaterialPageRoute(builder: (context) => Detail()),
            );
          },
        );
      });
    }