Get token from user

app/build.gradle

@@ -1,5 +1,6 @@
 plugins {
     id 'com.android.application'
+    id 'com.google.gms.google-services'
 }
 
 android {
@@ -32,6 +33,12 @@ android {
         targetCompatibility JavaVersion.VERSION_1_8
     }
 
+    buildscript {
+        dependencies {
+            classpath 'com.google.gms:google-services:4.3.15'
+        }
+    }
+
 
 }
 
@@ -39,6 +46,7 @@ dependencies {
 
     implementation 'androidx.appcompat:appcompat:1.6.1'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
+    implementation 'com.google.firebase:firebase-auth:21.1.0'
 
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.5'
@@ -63,4 +71,7 @@ dependencies {
     implementation 'com.github.slavce14:SJ-Dialog:1.5'
     implementation 'com.saadahmedev.popup-dialog:popup-dialog:1.0.2'
     implementation 'com.github.gabriel-TheCode:AestheticDialogs:1.3.6'
+
+    //Firebase
+    implementation platform('com.google.firebase:firebase-bom:31.2.3')
 }

app/google-services.json

@@ -0,0 +1,40 @@
+{
+  "project_info": {
+    "project_number": "213676556381",
+    "firebase_url": "https://foodify-55954-default-rtdb.firebaseio.com",
+    "project_id": "foodify-55954",
+    "storage_bucket": "foodify-55954.appspot.com"
+  },
+  "client": [
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:213676556381:android:b1fb5bb1a827c24ce88db4",
+        "android_client_info": {
+          "package_name": "com.capstone.foodify"
+        }
+      },
+      "oauth_client": [
+        {
+          "client_id": "213676556381-jmh1dva918r6juc331d1jclgjeinqor1.apps.googleusercontent.com",
+          "client_type": 3
+        }
+      ],
+      "api_key": [
+        {
+          "current_key": "AIzaSyBBboME-vz27_Rgg98ftivvSvMVoH9lV1A"
+        }
+      ],
+      "services": {
+        "appinvite_service": {
+          "other_platform_oauth_client": [
+            {
+              "client_id": "213676556381-jmh1dva918r6juc331d1jclgjeinqor1.apps.googleusercontent.com",
+              "client_type": 3
+            }
+          ]
+        }
+      }
+    }
+  ],
+  "configuration_version": "1"
+}

app/src/main/java/com/capstone/foodify/Activity/MainActivity.java

@@ -17,6 +17,7 @@ import com.capstone.foodify.R;
 import com.capstone.foodify.ViewPagerAdapter;
 import com.google.android.material.bottomnavigation.BottomNavigationView;
 import com.google.android.material.navigation.NavigationBarView;
+import com.google.firebase.FirebaseApp;
 
 public class MainActivity extends AppCompatActivity {
 
@@ -31,6 +32,7 @@ public class MainActivity extends AppCompatActivity {
         SplashScreen.installSplashScreen(this);
         AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_NO);
         setContentView(R.layout.activity_main);
+
         initComponent();
 
         bottomNavigation();

app/src/main/java/com/capstone/foodify/Activity/SignInActivity.java

@@ -1,32 +1,56 @@
 package com.capstone.foodify.Activity;
 
 import android.content.Intent;
+import android.graphics.Path;
 import android.graphics.Typeface;
 import android.os.Bundle;
+import android.util.Log;
 import android.view.View;
 import android.widget.ImageView;
 import android.widget.TextView;
+import android.widget.Toast;
 
+import androidx.annotation.NonNull;
 import androidx.appcompat.app.AppCompatActivity;
 
 import com.capstone.foodify.Common;
 import com.capstone.foodify.R;
+import com.google.android.gms.tasks.OnCompleteListener;
+import com.google.android.gms.tasks.Task;
+import com.google.android.material.button.MaterialButton;
+import com.google.android.material.textfield.TextInputEditText;
 import com.google.android.material.textfield.TextInputLayout;
+import com.google.firebase.FirebaseApp;
+import com.google.firebase.auth.AuthResult;
+import com.google.firebase.auth.FirebaseAuth;
+import com.google.firebase.auth.FirebaseUser;
+import com.google.firebase.auth.GetTokenResult;
 
 public class SignInActivity extends AppCompatActivity {
 
+    private FirebaseAuth mAuth;
     TextView signUp_textView, forgotPassword_textView;
 
     TextInputLayout textInput_account, textInput_password;
+    TextInputEditText email, password;
+    MaterialButton signInButton;
 
     ImageView back_image;
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_sign_in);
+        //Init firebase app
-        initComponent();
+        FirebaseApp.initializeApp(SignInActivity.this);
 
+        setContentView(R.layout.activity_sign_in);
+
+
+        // Initialize Firebase Auth
+        mAuth = FirebaseAuth.getInstance();
+
+        initComponent();
         setFontUI();
+
         back_image.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
@@ -48,13 +72,54 @@ public class SignInActivity extends AppCompatActivity {
                 startActivity(new Intent(SignInActivity.this, ForgotPasswordActivity.class));
             }
         });
+
+        //Set event when user click sign in button
+        signInButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                mAuth.signInWithEmailAndPassword(email.getText().toString(), password.getText().toString())
+                        .addOnCompleteListener(SignInActivity.this, new OnCompleteListener<AuthResult>() {
+                            @Override
+                            public void onComplete(@NonNull Task<AuthResult> task) {
+                                if (task.isSuccessful()) {
+                                    // Sign in success, update UI with the signed-in user's information
+                                    FirebaseUser user = mAuth.getCurrentUser();
+
+                                    user.getIdToken(true)
+                                            .addOnCompleteListener(new OnCompleteListener<GetTokenResult>() {
+                                                @Override
+                                                public void onComplete(@NonNull Task<GetTokenResult> task) {
+                                                    if(task.isSuccessful()){
+                                                        String idToken = task.getResult().getToken();
+
+                                                        System.out.println("TOKEN: " + idToken);
+                                                    } else {
+                                                        Toast.makeText(SignInActivity.this, "Error when taking token!", Toast.LENGTH_SHORT).show();
                                                     }
+                                                }
+                                            });
+                                } else {
+                                    // If sign in fails, display a message to the user.
+                                    Toast.makeText(SignInActivity.this, "Authentication failed.",
+                                            Toast.LENGTH_SHORT).show();
+                                }
+                            }
+                        });
+            }
+        });
+    }
+
     private void initComponent() {
         textInput_account = (TextInputLayout) findViewById(R.id.textInput_account);
         textInput_password = (TextInputLayout) findViewById(R.id.textInput_password);
         signUp_textView = (TextView) findViewById(R.id.sign_up_textView);
         forgotPassword_textView = (TextView) findViewById(R.id.forgotPassword_textView);
         back_image = (ImageView) findViewById(R.id.back_image);
+
+        email = (TextInputEditText) findViewById(R.id.edt_email);
+        password = (TextInputEditText) findViewById(R.id.edt_password);
+
+        signInButton = (MaterialButton) findViewById(R.id.sign_in_button);
     }
     private void setFontUI() {
         textInput_account.setTypeface(Common.setFontBebas(getAssets()));

app/src/main/java/com/capstone/foodify/Fragment/ProfileFragment.java

@@ -13,12 +13,13 @@ import androidx.fragment.app.Fragment;
 import com.capstone.foodify.Activity.AccountAndProfileActivity;
 import com.capstone.foodify.Activity.AddressManagerActivity;
 import com.capstone.foodify.Activity.OrderActivity;
+import com.capstone.foodify.Activity.SignInActivity;
 import com.capstone.foodify.Activity.SignUpActivity;
 import com.capstone.foodify.R;
 
 public class ProfileFragment extends Fragment {
 
-    Button btnSignUp;
+    Button btnSignUp, btnSignIn;
 
     LinearLayout account_and_profile, manage_address, order_history;
     @Override
@@ -30,6 +31,7 @@ public class ProfileFragment extends Fragment {
         account_and_profile = rootView.findViewById(R.id.account_and_profile);
         manage_address = rootView.findViewById(R.id.manage_address);
         order_history = rootView.findViewById(R.id.order_history);
+        btnSignIn = rootView.findViewById(R.id.sign_in_button);
 
         btnSignUp.setOnClickListener(new View.OnClickListener() {
             @Override
@@ -58,6 +60,13 @@ public class ProfileFragment extends Fragment {
                 startActivity(new Intent(getActivity(), OrderActivity.class));
             }
         });
+
+        btnSignIn.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                getContext().startActivity(new Intent(getContext(), SignInActivity.class));
+            }
+        });
         return rootView;
     }
 }

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

@@ -102,7 +102,7 @@
         app:layout_constraintTop_toBottomOf="@+id/textInput_password" />
 
     <com.google.android.material.button.MaterialButton
-        android:id="@+id/sign_up_button"
+        android:id="@+id/sign_in_button"
         style="@style/DefaultSolid"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"

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

@@ -14,7 +14,7 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintBottom_toBottomOf="parent"
-        android:visibility="visible"
+        android:visibility="gone"
         >
 
         <com.makeramen.roundedimageview.RoundedImageView
@@ -227,7 +227,7 @@
         android:id="@+id/guest_layout"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:visibility="gone"
+        android:visibility="visible"
         >
 
         <com.makeramen.roundedimageview.RoundedImageView

build.gradle

@@ -1,4 +1,8 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
+buildscript {
+    dependencies {
+        classpath 'com.google.gms:google-services:4.3.15'
+    }
+}// Top-level build file where you can add configuration options common to all sub-projects/modules.
 plugins {
     id 'com.android.application' version '7.4.2' apply false
     id 'com.android.library' version '7.4.2' apply false