Register Activity Working

app/src/main/java/com/mapps/seproject/RegisterActivity.java

 package com.mapps.seproject;
 
+import android.app.ProgressDialog;
+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.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.TextView;
+import android.widget.Toast;
 
-public class RegisterActivity extends AppCompatActivity {
+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 RegisterActivity extends AppCompatActivity implements View.OnClickListener{
+
+    EditText email;
+    EditText password;
+    Button b;
+    TextView loginText;
+
+    ProgressDialog progress;
+    FirebaseAuth firebaseAuth;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -11,8 +33,114 @@ public class RegisterActivity extends AppCompatActivity {
         setContentView(R.layout.activity_register);
 
 
+        firebaseAuth = FirebaseAuth.getInstance();
+        if(firebaseAuth.getCurrentUser() != null)   {
+
+            finish();
+            startActivity(new Intent(getApplicationContext(),UserActivity.class));          // If user is already logged in
+
+
+        }
+
+
+
+        progress = new ProgressDialog(this);
+        email = (EditText) findViewById(R.id.etRegEmail);
+        password= (EditText) findViewById(R.id.etRegPassword);
+        b= (Button) findViewById(R.id.bRegister);
+        loginText = (TextView) findViewById(R.id.textLogin);
+
+
+
+        b.setOnClickListener(this);
+        loginText.setOnClickListener(this);
+
+
+
+
+
+
+
+    }
+
+
+
+
+
+    public void registerUser()  {
+
+        String mail = email.getText().toString().trim();
+        String pass = password.getText().toString().trim();
+
+        if(TextUtils.isEmpty(mail)) {
+
+
+            Toast.makeText(this, "Enter E-Mail", Toast.LENGTH_SHORT).show();             // Incase Any of the fields are empty
+            return;
+        }
+        if(TextUtils.isEmpty(pass)) {
+
+            Toast.makeText(this, "Enter Password", Toast.LENGTH_SHORT).show();
+            return;
+
+        }
+
+
+
+        progress.setMessage("Registering");                                                      // Progress Bar
+        progress.show();
+
+
+
+        firebaseAuth.createUserWithEmailAndPassword(mail,pass)                                    // Create New Entry
+                .addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
+                    @Override
+                    public void onComplete(@NonNull Task<AuthResult> task) {
+
+                        if(task.isSuccessful()) {                                                 // On Successful Registration
+
+
+                            Toast.makeText(RegisterActivity.this, "Registered Successfuly", Toast.LENGTH_SHORT).show();
+                            progress.hide();
 
 
+                        }
+
+                        else {
+
+                            Toast.makeText(RegisterActivity.this, "Failed to Register", Toast.LENGTH_SHORT).show();
+                                    //task.getException().getMessage();
+
+                        }
+
+
+                    }
+                });
+
+
+
+    }
+
+
+
+
+    @Override
+    public void onClick(View v) {
+
+
+        if(v == b)                      // Register the current user
+        {
+
+            registerUser();
+
+        }
+
+        if(v == loginText){                 // Go to login activity
+
+            finish();
+            startActivity(new Intent(getApplicationContext(),LoginActivity.class));
+
+        }