Firebase login authentication added

app/src/main/java/com/example/instilostandfound/LostItem.java

@@ -19,14 +19,14 @@ public class LostItem extends AppCompatActivity {
         Toolbar toolbar = findViewById(R.id.toolbar);
         setSupportActionBar(toolbar);
 
-        FloatingActionButton fab = findViewById(R.id.fab);
+        /*FloatingActionButton fab = findViewById(R.id.fab);
         fab.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
                 Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
                         .setAction("Action", null).show();
             }
-        });
+        });*/
     }
 
 }

app/src/main/java/com/example/instilostandfound/MainActivity.java

 package com.example.instilostandfound;
 
+import android.content.Context;
+import android.content.Intent;
 import android.os.Bundle;
-import com.google.android.material.floatingactionbutton.FloatingActionButton;
+
+import com.google.android.gms.tasks.OnCompleteListener;
+import com.google.android.gms.tasks.Task;
 import com.google.android.material.snackbar.Snackbar;
+import com.google.firebase.auth.AuthResult;
 import com.google.firebase.auth.FirebaseAuth;
 
+import androidx.annotation.NonNull;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.appcompat.widget.Toolbar;
 import android.view.View;
 import android.view.Menu;
 import android.view.MenuItem;
+import android.widget.EditText;
+import android.widget.Toast;
 
-public class MainActivity extends AppCompatActivity {
+public class MainActivity extends AppCompatActivity implements View.OnClickListener{
     private FirebaseAuth mAuth;
+    EditText ldap_id;
+    EditText ldap_password;
     @Override
     protected void onCreate(Bundle savedInstanceState) {
 
 // ...
 // Initialize Firebase Auth
+
         mAuth = FirebaseAuth.getInstance();
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
         Toolbar toolbar = findViewById(R.id.toolbar);
+        ldap_id = findViewById(R.id.LDAP_ID);
+        ldap_password = findViewById(R.id.LDAP_PASSWORD);
         setSupportActionBar(toolbar);
+        findViewById(R.id.login_btn).setOnClickListener(this);
 
-       FloatingActionButton fab = findViewById(R.id.fab);
+       /*FloatingActionButton fab = findViewById(R.id.fab);
         fab.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
                 Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
                         .setAction("Action", null).show();
             }
-        });
+        });*/
     }
 
     @Override
@@ -55,4 +69,46 @@ public class MainActivity extends AppCompatActivity {
 
         return super.onOptionsItemSelected(item);
     }
+
+    private void LDAPLogin()
+    {
+        String id       = ldap_id.getText().toString().trim()+"@iitb.ac.in";
+        String password = ldap_password.getText().toString().trim();
+        if (id.isEmpty())
+        {
+            ldap_id.setError("Please enter your ldap id");
+            ldap_id.requestFocus();
+            return;
+        }
+        if (password.isEmpty())
+        {
+            ldap_password.setError("Please enter your ldap password ");
+            ldap_password.requestFocus();
+            return;
+        }
+        mAuth.signInWithEmailAndPassword(id,password).addOnCompleteListener(new OnCompleteListener<AuthResult>() {
+            @Override
+            public void onComplete(@NonNull Task<AuthResult> task) {
+                if(task.isSuccessful())
+                {
+                        Toast.makeText(MainActivity.this,"LOGIN SUCCESSFUL",Toast.LENGTH_LONG).show();
+                }
+                else
+                {
+                    ldap_password.setText("");
+                    Toast.makeText(MainActivity.this,"INVALID CREDENTIALS",Toast.LENGTH_LONG).show();
+                }
+            }
+        });
+
+    }
+    public void onClick(View view)
+    {
+        switch (view.getId())
+        {
+            case R.id.login_btn:
+                LDAPLogin();
+                break;
+        }
+    }
 }

app/src/main/res/layout/activity_main.xml

@@ -20,7 +20,7 @@
     <EditText
         android:layout_width = "wrap_content"
         android:layout_height = "wrap_content"
-        android:id = "@+id/editText"
+        android:id = "@+id/LDAP_ID"
         android:hint = "@string/ldap_id"
         android:focusable = "true"
         android:textColorHighlight = "#ff7eff15"
@@ -41,28 +41,26 @@
         android:layout_centerHorizontal="true"
         />
 
+
     <EditText
+        android:id="@+id/LDAP_PASSWORD"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:inputType="textPassword"
-        android:ems="10"
-        android:id="@+id/editText2"
-        android:layout_below="@+id/editText"
-        android:layout_alignParentLeft="true"
+        android:layout_below="@+id/LDAP_ID"
+        android:layout_alignEnd="@+id/LDAP_ID"
+        android:layout_alignLeft="@+id/LDAP_ID"
         android:layout_alignParentStart="true"
-        android:layout_alignRight="@+id/editText"
-        android:layout_alignEnd="@+id/editText"
-        android:textColorHint="#ffff299f"
-        android:hint="@string/password" />
-
-
-
+        android:layout_alignParentLeft="true"
+        android:ems="10"
+        android:hint="@string/password"
+        android:inputType="textPassword"
+        android:textColorHint="#ffff299f" />
 
     <Button
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:text="@string/login"
-        android:id="@+id/button"
+        android:id="@+id/login_btn"
         android:layout_alignParentBottom="true"
         android:layout_centerHorizontal="true"
         android:background="@color/colorPrimary"