login page created

app/build.gradle.kts

@@ -1,5 +1,6 @@
 plugins {
     alias(libs.plugins.android.application)
+    alias(libs.plugins.google.gms.google.services)
 }
 
 android {
@@ -29,6 +30,9 @@ android {
         sourceCompatibility = JavaVersion.VERSION_1_8
         targetCompatibility = JavaVersion.VERSION_1_8
     }
+    buildFeatures {
+        viewBinding = true
+    }
 }
 
 dependencies {
@@ -37,6 +41,9 @@ dependencies {
     implementation(libs.material)
     implementation(libs.activity)
     implementation(libs.constraintlayout)
+    implementation(libs.firebase.auth)
+    implementation(libs.navigation.fragment)
+    implementation(libs.navigation.ui)
     testImplementation(libs.junit)
     androidTestImplementation(libs.ext.junit)
     androidTestImplementation(libs.espresso.core)

app/google-services.json

@@ -1,59 +1,21 @@
 {
   "project_info": {
-    "project_number": "858443541871",
-    "project_id": "self-116a9",
-    "storage_bucket": "self-116a9.appspot.com"
+    "project_number": "445427857114",
+    "project_id": "college-app-c8a3e",
+    "storage_bucket": "college-app-c8a3e.appspot.com"
   },
   "client": [
     {
       "client_info": {
-        "mobilesdk_app_id": "1:858443541871:android:be4e8b416841b7366bcc9a",
+        "mobilesdk_app_id": "1:445427857114:android:a93dd38f6ef4468b21d7e3",
         "android_client_info": {
           "package_name": "com.example.camerax"
         }
       },
       "oauth_client": [],
       "api_key": [
         {
-          "current_key": "AIzaSyAFVAPgVQwq7nm8KAamNY4glBVsQiw_vXk"
-        }
-      ],
-      "services": {
-        "appinvite_service": {
-          "other_platform_oauth_client": []
-        }
-      }
-    },
-    {
-      "client_info": {
-        "mobilesdk_app_id": "1:858443541871:android:856b5cbb0d3c58d36bcc9a",
-        "android_client_info": {
-          "package_name": "com.example.entry"
-        }
-      },
-      "oauth_client": [],
-      "api_key": [
-        {
-          "current_key": "AIzaSyAFVAPgVQwq7nm8KAamNY4glBVsQiw_vXk"
-        }
-      ],
-      "services": {
-        "appinvite_service": {
-          "other_platform_oauth_client": []
-        }
-      }
-    },
-    {
-      "client_info": {
-        "mobilesdk_app_id": "1:858443541871:android:b2ce7e4de5435a556bcc9a",
-        "android_client_info": {
-          "package_name": "com.example.self"
-        }
-      },
-      "oauth_client": [],
-      "api_key": [
-        {
-          "current_key": "AIzaSyAFVAPgVQwq7nm8KAamNY4glBVsQiw_vXk"
+          "current_key": "AIzaSyDDs1_JW61ldMvQqur-GGJhjbheeFCHjPs"
         }
       ],
       "services": {

app/src/main/AndroidManifest.xml

@@ -26,23 +26,28 @@
         android:theme="@style/Theme.CameraX"
         tools:targetApi="31">
         <activity
-            android:name=".OkDoneActivity"
-            android:exported="false" >
-
-        </activity>
-
+            android:name=".GateKeeperActivity"
+            android:exported="false" />
         <activity
-            android:name=".MainActivity"
-            android:exported="true"
-            android:screenOrientation="portrait" >
-
+            android:name=".AdminActivity"
+            android:exported="false"
+            android:theme="@style/Theme.CameraX" />
+        <activity
+            android:name=".LoginActivity"
+            android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
-
         </activity>
+        <activity
+            android:name=".OkDoneActivity"
+            android:exported="false"></activity>
+        <activity
+            android:name=".MainActivity"
+            android:exported="false"
+            android:screenOrientation="portrait" />
 
         <meta-data
             android:name="com.google.mlkit.vision.DEPENDENCIES"

app/src/main/java/com/example/camerax/AdminActivity.java

@@ -0,0 +1,20 @@
+package com.example.camerax;
+
+import android.os.Bundle;
+
+import androidx.activity.EdgeToEdge;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.graphics.Insets;
+import androidx.core.view.ViewCompat;
+import androidx.core.view.WindowInsetsCompat;
+
+public class AdminActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        setContentView(R.layout.activity_admin);
+
+    }
+}

app/src/main/java/com/example/camerax/GateKeeperActivity.java

@@ -0,0 +1,24 @@
+package com.example.camerax;
+
+import android.os.Bundle;
+
+import androidx.activity.EdgeToEdge;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.graphics.Insets;
+import androidx.core.view.ViewCompat;
+import androidx.core.view.WindowInsetsCompat;
+
+public class GateKeeperActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        EdgeToEdge.enable(this);
+        setContentView(R.layout.activity_gate_keeper);
+        ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main), (v, insets) -> {
+            Insets systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars());
+            v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom);
+            return insets;
+        });
+    }
+}

app/src/main/java/com/example/camerax/LoginActivity.java

@@ -0,0 +1,120 @@
+package com.example.camerax;
+
+import static android.content.ContentValues.TAG;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.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;
+import com.google.firebase.auth.FirebaseUser;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class LoginActivity extends AppCompatActivity {
+
+    private EditText emailEditText, passwordEditText;
+    private Button loginButton;
+    private FirebaseAuth mAuth;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_login);
+
+
+        mAuth = FirebaseAuth.getInstance();
+
+
+        emailEditText = findViewById(R.id.userName_edit_text);
+        passwordEditText = findViewById(R.id.password_edit_text);
+        loginButton = findViewById(R.id.button);
+
+        loginButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                loginUser();
+            }
+        });
+    }
+
+    private void loginUser() {
+        String email = emailEditText.getText().toString().trim();
+        String password = passwordEditText.getText().toString().trim();
+
+        if (email.isEmpty() || password.isEmpty()) {
+            Toast.makeText(LoginActivity.this, "Please fill all fields", Toast.LENGTH_SHORT).show();
+            return;
+        }
+
+
+        mAuth.signInWithEmailAndPassword(email, password)
+                .addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
+                    @Override
+                    public void onComplete(@NonNull Task<AuthResult> task) {
+                        if (task.isSuccessful()) {
+
+                            FirebaseUser user = mAuth.getCurrentUser();
+
+
+                            String rollno = user.getEmail().substring(0, 8);
+
+                            // Check student login format
+                            String checkStudent = "^\\d{2}[A-Za-z]{2}\\d{4}$";
+                            Pattern patternStudent = Pattern.compile(checkStudent);
+                            Matcher matcherStudent = patternStudent.matcher(rollno);
+
+                            // Check guard login format
+                            String checkGuard = "^[A-Za-z]{3}\\d{4}[A-Za-z]{1}$";
+                            Pattern patternGuard = Pattern.compile(checkGuard);
+                            Matcher matcherGuard = patternGuard.matcher(rollno);
+
+                            // check for admin format
+                            String checkAdmin="^[A-Za-z]{5}\\d{2}[a-z]{1}$";
+                            Pattern patternAdmin=Pattern.compile(checkAdmin);
+                            Matcher matcherAdmin=patternAdmin.matcher(rollno);
+
+
+                            if (matcherStudent.matches()) {
+                                Toast.makeText(LoginActivity.this, "Student login", Toast.LENGTH_SHORT).show();
+                                Intent studentIntent = new Intent(LoginActivity.this, MainActivity.class);
+                                startActivity(studentIntent);
+                                finish();
+                            }
+
+                            else if (matcherGuard.matches()) {
+                                Toast.makeText(LoginActivity.this, "Admin login", Toast.LENGTH_SHORT).show();
+                                Intent adminIntent = new Intent(LoginActivity.this, GateKeeperActivity.class);
+                                startActivity(adminIntent);
+                                finish();
+                            }
+
+                            else if(matcherAdmin.matches()) {
+
+                                Toast.makeText(LoginActivity.this, "Admin login", Toast.LENGTH_SHORT).show();
+                                Intent adminIntent = new Intent(LoginActivity.this, AdminActivity.class);
+                                startActivity(adminIntent);
+                                finish();
+                            }
+                        }
+
+                        else {
+                            Log.w(TAG, "signInWithEmail:failure", task.getException());
+                            Toast.makeText(LoginActivity.this, "Authentication failed.",
+                                    Toast.LENGTH_SHORT).show();
+                        }
+                    }
+                });
+    }
+}

app/src/main/res/drawable/box.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape android:shape="rectangle" xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <corners android:radius="8dp"/>
+    <stroke android:color="@color/blue"
+        android:width="2dp"/>
+
+</shape>

app/src/main/res/drawable/group.xml

@@ -0,0 +1,17 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="44dp"
+    android:height="44dp"
+    android:viewportWidth="44"
+    android:viewportHeight="44">
+  <path
+      android:pathData="M2,37C2,34.348 3.054,31.804 4.929,29.929C6.804,28.054 9.348,27 12,27H32C34.652,27 37.196,28.054 39.071,29.929C40.946,31.804 42,34.348 42,37C42,38.326 41.473,39.598 40.535,40.535C39.598,41.473 38.326,42 37,42H7C5.674,42 4.402,41.473 3.464,40.535C2.527,39.598 2,38.326 2,37Z"
+      android:strokeLineJoin="round"
+      android:strokeWidth="2.5"
+      android:fillColor="#00000000"
+      android:strokeColor="#699BF7"/>
+  <path
+      android:pathData="M22,17C26.142,17 29.5,13.642 29.5,9.5C29.5,5.358 26.142,2 22,2C17.858,2 14.5,5.358 14.5,9.5C14.5,13.642 17.858,17 22,17Z"
+      android:strokeWidth="2.5"
+      android:fillColor="#00000000"
+      android:strokeColor="#699BF7"/>
+</vector>

app/src/main/res/drawable/password.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="40dp"
+    android:height="24dp"
+    android:viewportWidth="40"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M1.818,20H38.182V24H1.818V20ZM3.909,11.9L5.455,8.94L7,11.9L9.364,10.4L7.818,7.44H10.909V4.44H7.818L9.364,1.5L7,0L5.455,2.94L3.909,0L1.545,1.5L3.091,4.44H0V7.44H3.091L1.545,10.4L3.909,11.9ZM16.091,10.4L18.455,11.9L20,8.94L21.545,11.9L23.909,10.4L22.364,7.44H25.455V4.44H22.364L23.909,1.5L21.545,0L20,2.94L18.455,0L16.091,1.5L17.636,4.44H14.545V7.44H17.636L16.091,10.4ZM40,4.44H36.909L38.454,1.5L36.091,0L34.546,2.94L33,0L30.636,1.5L32.182,4.44H29.091V7.44H32.182L30.636,10.4L33,11.9L34.546,8.94L36.091,11.9L38.454,10.4L36.909,7.44H40V4.44Z"
+      android:fillColor="#699BF7"/>
+</vector>

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

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".AdminActivity">
+
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".GateKeeperActivity">
+
+</androidx.constraintlayout.widget.ConstraintLayout>