creating dialogs

    private void showLogInDialog() {
        final AlertDialog.Builder dialog = new AlertDialog.Builder(this);
        dialog.setTitle("Log In ");
        dialog.setMessage("Please use email to log in");

        LayoutInflater inflater = LayoutInflater.from(this);
        View login_layout = inflater.inflate(R.layout.layout_login,null);

        final MaterialEditText edtEmail = login_layout.findViewById(R.id.edtEmail);
        final MaterialEditText edtPassword = login_layout.findViewById(R.id.edtPassword);
        dialog.setView(login_layout);


        //Set button
        dialog.setPositiveButton("Log In", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialogInterface, int i) {
                        dialogInterface.dismiss();

                        //check validation
                        if (TextUtils.isEmpty(edtEmail.getText().toString())){
                            Snackbar.make(rootLayout,"Please enter email",Snackbar.LENGTH_SHORT).show();
                            return;
                        }
                        if (TextUtils.isEmpty(edtPassword.getText().toString())){
                            Snackbar.make(rootLayout,"Please enter Password",Snackbar.LENGTH_SHORT).show();
                            return;
                        }

                        if (edtPassword.getText().toString().length() < 6){
                            Snackbar.make(rootLayout,"Password is too short",Snackbar.LENGTH_SHORT).show();
                            return;
                        }
                        //Login
                        auth.signInWithEmailAndPassword(edtEmail.getText().toString(),edtPassword.getText().toString())
                                .addOnSuccessListener(new OnSuccessListener<AuthResult>() {
                                    @Override
                                    public void onSuccess(AuthResult authResult) {
                                        startActivity(new Intent(MainActivity.this, Welcome.class));
                                        finish();
                                    }
                                }).addOnFailureListener(new OnFailureListener() {
                            @Override
                            public void onFailure(@NonNull Exception e) {
                                Snackbar.make(rootLayout,"Failed "+e.getMessage(), Snackbar.LENGTH_SHORT).show();
                            }
                        });

                    }
                });
        dialog.setNegativeButton("CANCEL", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialogInterface, int i) {
                dialogInterface.dismiss();
            }
        });
        dialog.show();
    }
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////




private void showRgisterDialog() {
        final AlertDialog.Builder dialog = new AlertDialog.Builder(this);
        dialog.setTitle("REGISTER ");
        dialog.setMessage("Please use email to register");
        LayoutInflater inflater = LayoutInflater.from(this);
        View register_layout = inflater.inflate(R.layout.layout_register,null);

        final MaterialEditText edtFullName = register_layout.findViewById(R.id.edtFullName);
        final MaterialEditText edtEmail = register_layout.findViewById(R.id.edtEmail);
        final MaterialEditText edtAge = register_layout.findViewById(R.id.edtAge);
        final MaterialEditText edtPassword = register_layout.findViewById(R.id.edtPassword);
        final MaterialEditText edtPhone = register_layout.findViewById(R.id.edtPhone);
        final MaterialEditText edtCity = register_layout.findViewById(R.id.edtCity);
        final MaterialEditText edtStreet = register_layout.findViewById(R.id.edtStreet);
        final MaterialEditText edtHouseNum = register_layout.findViewById(R.id.edtHouseNum);
        final Switch newDriver = register_layout.findViewById(R.id.newDriver);
        newDriver.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                // do something, the isChecked will be
                // true if the switch is in the On position
                isNewDriver = "true";
            }
        });


        dialog.setView(register_layout);

        //Set button
        dialog.setPositiveButton("REGISTER", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialogInterface, int i) {
                dialogInterface.dismiss();

                //Check validation
                if (TextUtils.isEmpty(edtFullName.getText().toString())){
                    Snackbar.make(rootLayout,"Please enter first name",Snackbar.LENGTH_SHORT).show();
                    return;
                }

                if (TextUtils.isEmpty(edtEmail.getText().toString())){
                    Snackbar.make(rootLayout,"Please enter email",Snackbar.LENGTH_SHORT).show();
                    return;
                }


                if (TextUtils.isEmpty(edtPassword.getText().toString())){
                    Snackbar.make(rootLayout,"Please enter Password",Snackbar.LENGTH_SHORT).show();
                    return;
                }

                if (edtPassword.getText().toString().length() < 6){
                    Snackbar.make(rootLayout,"Password is too short",Snackbar.LENGTH_SHORT).show();
                    return;
                }


                if (TextUtils.isEmpty(edtPhone.getText().toString())){
                    Snackbar.make(rootLayout,"Please enter phone number",Snackbar.LENGTH_SHORT).show();
                    return;
                }

                //Register new user
                auth.createUserWithEmailAndPassword(edtEmail.getText().toString(), edtPassword.getText().toString())
                        .addOnSuccessListener(new OnSuccessListener<AuthResult>() {

                            @Override

                            public void onSuccess(AuthResult authResult){
                                //Save user to db
                                User user = new User(edtFullName.getText().toString(),edtEmail.getText().toString(),edtPassword.getText().toString(),edtPhone.getText().toString(),edtAge.getText().toString(),edtCity.getText().toString(),edtStreet.getText().toString(),edtHouseNum.getText().toString(), image, isNewDriver);
                                //Use email to key
                                users.child(FirebaseAuth.getInstance().getCurrentUser().getUid())
                                        .setValue(user)
                                        .addOnSuccessListener(new OnSuccessListener<Void>() {
                                            @Override
                                            public void onSuccess(Void aVoid) {
                                                Snackbar.make(rootLayout,"Registeration made successfully",Snackbar.LENGTH_SHORT).show();
                                            }
                                        })
                                        .addOnFailureListener(new OnFailureListener() {
                                            @Override
                                            public void onFailure(@NonNull Exception e) {
                                                Snackbar.make(rootLayout,"Failed"+e.getMessage(),Snackbar.LENGTH_SHORT).show();
                                            }
                                        });

                            }
                        }).addOnFailureListener(new OnFailureListener() {
                    @Override
                    public void onFailure(@NonNull Exception e) {
                        Snackbar.make(rootLayout,"Failed"+e.getMessage(),Snackbar.LENGTH_SHORT).show();
                    }
                });


            }
        });

        dialog.setNegativeButton("CANCEL", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialogInterface, int i) {
                dialogInterface.dismiss();
            }
        });

        dialog.show();
    }