Random Java Code

MainActivity.java

package com.gtxtreme.firebaseauthentication;


import android.support.annotation.NonNull;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.text.TextUtils;
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;

public class MainActivity extends AppCompatActivity  implements View.OnClickListener{
    private Button loginButton;
    private EditText editEmail,editPass;
    private FirebaseAuth firebaseAuth;
    private Button signupbtn;

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

        loginButton=findViewById(R.id.signinbtn);
        editEmail=findViewById(R.id.emailedttxt);
        editPass=findViewById(R.id.passwdedittext);
        signupbtn=findViewById(R.id.signupbtn);
        loginButton.setOnClickListener(this);
        signupbtn.setOnClickListener(this);

        firebaseAuth=FirebaseAuth.getInstance();

    }
    protected void registerUser(){
        if(TextUtils.isEmpty(editEmail.getText().toString().trim()))
        {
            Toast.makeText(this,"Email ID cannot be empty",Toast.LENGTH_LONG).show();
            return;
        }
        if(TextUtils.isEmpty(editPass.getText().toString().trim()))
        {
            Toast.makeText(this,"Password cannot be empty",Toast.LENGTH_LONG).show();
            return;
        }



        firebaseAuth.createUserWithEmailAndPassword(editEmail.getText().toString().trim(),editPass.getText().toString().trim()).addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
            @Override
            public void onComplete(@NonNull Task<AuthResult> task) {
                if(task.isSuccessful())
                {
                    Toast.makeText(MainActivity.this,"Registered Successfully",Toast.LENGTH_LONG).show();
                }
                else
                {
                    Toast.makeText(MainActivity.this,"User Registration was not Complete ..Please Try Again",Toast.LENGTH_LONG).show();
                }

            }
        });

    }

    @Override
    public void onClick(View v) {
        switch (v.getId()){

            case R.id.signupbtn:registerUser();
                                 break;
            case R.id.signinbtn:break;
        }
    }
}