registerActivity

package com.example.bonoamir.speechy;

import android.app.ProgressDialog;
import android.content.Intent;
import android.support.annotation.NonNull;
import android.support.design.widget.TextInputLayout;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.Toolbar;
import android.view.View;
import android.widget.Button;
import android.widget.ProgressBar;
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.FirebaseUser;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.iid.FirebaseInstanceId;

import java.util.HashMap;

public class registerActivity extends AppCompatActivity {
    private TextInputLayout mDisplayname ;
    private TextInputLayout mEmail ;
    private TextInputLayout mpassword ;
    private Button mcreatbtn;
    private FirebaseAuth mAuth;
    private Toolbar mtoolbar;
    private ProgressDialog mregprogress;
    private DatabaseReference mdatabase;



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

        mtoolbar= findViewById(R.id.register_toolbar);
        setSupportActionBar(mtoolbar);
        getSupportActionBar().setTitle("Create a new account");
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);


        mAuth = FirebaseAuth.getInstance();
        mDisplayname= findViewById(R.id.reg_display_name);
        mEmail= findViewById(R.id.reg_email);
        mpassword= findViewById(R.id.login_password);
        mcreatbtn= findViewById(R.id.reg_creat_btn);

        mregprogress=new ProgressDialog(this);

        mcreatbtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

                String display_name=mDisplayname.getEditText().getText().toString();
                String email=mEmail.getEditText().getText().toString();
                String password=mpassword.getEditText().getText().toString();

                if (display_name.equals("")||email.equals("")||password.equals("")){
                    Toast.makeText(registerActivity.this,"Please enter your information",Toast.LENGTH_SHORT).show();
                }

                else {
                    mregprogress.setTitle("Creating your account");
                    mregprogress.setMessage("Please wait");
                    mregprogress.setCanceledOnTouchOutside(false);
                    mregprogress.show();

                    register_user(display_name,email,password);


                }

            }
        });
    }

    private void register_user(final String display_name, String email, String password) {



        mAuth.createUserWithEmailAndPassword(email,password).addOnCompleteListener(new OnCompleteListener<AuthResult>() {
            @Override
            public void onComplete(@NonNull Task<AuthResult> task) {


                if(task.isSuccessful()){




                    FirebaseUser current_user=FirebaseAuth.getInstance().getCurrentUser();
                    String uid=current_user.getUid();
                    mdatabase=FirebaseDatabase.getInstance().getReference().child("Users").child(uid);
                    String device_token = FirebaseInstanceId.getInstance().getToken();

                    HashMap<String, String> userMap = new HashMap<>();
                    userMap.put("name", display_name);
                    userMap.put("status", "Hey , I'm using speechy.");
                    userMap.put("image", "default");
                    userMap.put("thumb_image", "default");
                    userMap.put("device_token", device_token);

                    mdatabase.setValue(userMap).addOnCompleteListener(new OnCompleteListener<Void>() {
                        @Override
                        public void onComplete(@NonNull Task<Void> task) {

                            if(task.isSuccessful()){

                                mregprogress.dismiss();

                                Intent mainIntent = new Intent(registerActivity.this, MainActivity.class);
                                mainIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
                                startActivity(mainIntent);
                                finish();

                            }

                        }
                    });


                } else {

                    mregprogress.hide();
                    Toast.makeText(registerActivity.this, "Cannot Sign in. Please check the form and try again.", Toast.LENGTH_LONG).show();

                }

            }
        });

    }
}