CODE EXAMPLE FOR DART

change password firebase flutter

Here's the latest method to change the password in firebase futter 2022
 
 Future<bool> _changePassword(String currentPassword, String newPassword) async {
    bool success = false;

    //Create an instance of the current user.
    var user = await FirebaseAuth.instance.currentUser!;
    //Must re-authenticate user before updating the password. Otherwise it may fail or user get signed out.

    final cred = await EmailAuthProvider.credential(email: user.email!, password: currentPassword);
    await user.reauthenticateWithCredential(cred).then((value) async {
      await user.updatePassword(newPassword).then((_) {
        success = true;
        usersRef.doc(uid).update({"password": newPassword});
      }).catchError((error) {
        print(error);
      });
    }).catchError((err) {
      print(err);
    });

    return success;
  }