SSOReg.java

package com.example.shivamdhammi.drag;

import android.content.Intent;
import android.support.annotation.NonNull;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.Log;
import android.util.Patterns;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import com.google.android.gms.tasks.OnCompleteListener;
import com.google.android.gms.tasks.Task;
import com.google.firebase.auth.AuthResult;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.auth.FirebaseAuthUserCollisionException;
import com.google.firebase.auth.FirebaseAuthWeakPasswordException;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;

import org.w3c.dom.Text;

public class SSOReg extends AppCompatActivity {

    private EditText Password,RePassword,SSOName,ISOnumber,Email,Address,Contact;
    private Button Register;
    private FirebaseDatabase database;
    private DatabaseReference myRef;
    private FirebaseAuth mAuth;
    boolean flag = true;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_ssoreg);

        Password = (EditText)findViewById(R.id.id_password);
        RePassword = (EditText)findViewById(R.id.id_repassword);
        SSOName = (EditText)findViewById(R.id.id_ssoname);
        ISOnumber = (EditText)findViewById(R.id.id_isonumber);
        Email = (EditText)findViewById(R.id.id_email);
        Address = (EditText)findViewById(R.id.id_address);
        Contact = (EditText)findViewById(R.id.id_contact);
        Register = (Button)findViewById(R.id.id_register);

        database = FirebaseDatabase.getInstance();
        myRef = database.getReference("SSO");

        mAuth = FirebaseAuth.getInstance();

        Register.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                addUser();
            }
        });


    }

    private void addUser(){

        String password = Password.getText().toString().trim();
        String repassword = RePassword.getText().toString().trim();
        String ssoname = SSOName.getText().toString().trim();
        String isonumber = ISOnumber.getText().toString().trim();
        final String email = Email.getText().toString().trim();
        String address = Address.getText().toString().trim();
        String contact = Contact.getText().toString().trim();
        final String username = email.substring(0,email.indexOf('@'));

            if(password.equals(repassword)) {

                if(Patterns.EMAIL_ADDRESS.matcher(email).matches()) {

                    if(!contact.isEmpty()&&(contact.length()==10)) {

                        if(!ssoname.isEmpty()) {

                            if(!isonumber.isEmpty()) {

                                final SSOInfo info = new SSOInfo(username,ssoname, isonumber, email, address, contact);


                                //Log.d("shivam","Dhammi");

                                mAuth.createUserWithEmailAndPassword(email,password).addOnCompleteListener(new OnCompleteListener<AuthResult>() {
                                    @Override
                                    public void onComplete(@NonNull Task<AuthResult> task) {
                                        if(task.isSuccessful()){
                                            myRef.child(email.substring(0,email.indexOf('@'))).setValue(info);
                                                Toast.makeText(getApplicationContext(), "Registered Successfully..", Toast.LENGTH_LONG).show();

                                            /*Intent intent = new Intent(getApplicationContext(), Login.class);
                                            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
                                                startActivity(intent);*/
                                            }
                                        else{
                                            if(task.getException() instanceof FirebaseAuthUserCollisionException){
                                                Toast.makeText(getApplicationContext(),"Email is already registered",Toast.LENGTH_LONG).show();
                                            }
                                            else if(task.getException() instanceof FirebaseAuthWeakPasswordException){
                                                Toast.makeText(getApplicationContext(),"Password is too weak",Toast.LENGTH_LONG).show();
                                            }
                                            else{
                                                Toast.makeText(getApplicationContext(),task.getException().getMessage(),Toast.LENGTH_LONG).show();
                                            }
                                        }
                                    }
                                });

                            }
                            else{
                                ISOnumber.setError("Please enter ISO number");
                                ISOnumber.requestFocus();
                                return;
                            }
                        }
                        else{
                            SSOName.setError("Please Enter the SSO name.");
                            SSOName.requestFocus();
                            return;
                        }
                    }
                    else{
                        Contact.setError("Please enter the mobile number");
                        Contact.requestFocus();
                        return;
                    }
                }

                else{
                    Email.setError("Enter a valid Email");
                    Email.requestFocus();
                    return;
                }
            }
            else{
                RePassword.setError("Password didn't match. Try again.");
                RePassword.requestFocus();
                return;
            }

        }


    }