pls

app/src/main/java/com/example/myapp_1/DB/DBHelper.java

@@ -0,0 +1,37 @@
+package com.example.myapp_1.DB;
+
+import android.content.Context;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+import androidx.annotation.Nullable;
+
+public class DBHelper extends SQLiteOpenHelper {
+    private static final String DATABASE_NAME = "WITL.db";
+    private static final int DATABASE_VERSION = 1;
+    private static final String CREATE_USERS_TABLE =
+            "CREATE TABLE users (" +
+                    "U_ID INTEGER PRIMARY KEY AUTOINCREMENT," +
+                    "UserName TEXT NOT NULL," +
+                    "phone TEXT CHECK(length(phone) = 11)," +
+                    "U_email TEXT NOT NULL UNIQUE," +
+                    "U_password TEXT NOT NULL);";
+
+    public DBHelper(Context context) {
+        super(context, DATABASE_NAME, null, DATABASE_VERSION);
+    }
+
+    @Override
+    public void onCreate(SQLiteDatabase db) {
+        // Create your tables here
+        db.execSQL(CREATE_USERS_TABLE);
+
+    }
+
+    @Override
+    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+        // Handle database upgrades if needed
+        db.execSQL("DROP TABLE IF EXISTS users");
+        onCreate(db);
+
+    }
+}

app/src/main/java/com/example/myapp_1/DB/DBOperations.java

@@ -0,0 +1,78 @@
+package com.example.myapp_1.DB;
+
+
+import android.content.ContentValues;
+import android.content.Context;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+import androidx.annotation.Nullable;
+
+public class DBOperations {
+
+    private DBHelper dbHelper;
+
+    public DBOperations(Context context) {
+        dbHelper = new DBHelper(context);
+    }
+
+    // Insert user data into the users table
+    public long insertUser(String UserName,  String phone,String email, String password) {
+        try {
+            SQLiteDatabase db = dbHelper.getWritableDatabase();
+
+            ContentValues values = new ContentValues();
+            values.put("UserName", UserName);
+            values.put("phone", phone);
+            values.put("U_email", email);
+            values.put("U_password", password);
+
+            long newRowId = db.insert("users", null, values);
+
+            return newRowId;
+        }
+        catch (Exception e){
+            return 0;
+        }
+
+    }
+    public boolean checkLoginCredentials(String UserName, String password) {
+        SQLiteDatabase db = dbHelper.getReadableDatabase();
+
+        String[] columns = {"U_ID"};
+        String selection = "UserName=? AND U_password=?";
+        String[] selectionArgs = {UserName, password};
+
+        Cursor cursor = db.query("users", columns, selection, selectionArgs, null, null, null);
+
+        boolean isCredentialsValid = cursor.moveToFirst();
+        cursor.close();
+
+        return isCredentialsValid;
+    }
+
+    // Add other methods as needed
+}
+
+    // Retrieve all users from the users table
+//    public Cursor getAllUsers() {
+//        SQLiteDatabase db = dbHelper.getReadableDatabase();
+//
+//        String[] columns = {"U_ID", "first_name", "last_name", "U_email", "phone", "U_password"};
+//        return db.query("users", columns, null, null, null, null, null);
+//    }
+
+    // Delete a user from the users table based on their email
+//    public int deleteUser(String email) {
+//        SQLiteDatabase db = dbHelper.getWritableDatabase();
+//
+//        String selection = "U_email=?";
+//        String[] selectionArgs = {email};
+//
+//        int deletedRows = db.delete("users", selection, selectionArgs);
+//        db.close();
+//
+//        return deletedRows;
+//    }
+
+

app/src/main/java/com/example/myapp_1/LoginActivity.java

@@ -1,6 +1,5 @@
 package com.example.myapp_1;
 
-import android.annotation.SuppressLint;
 import android.content.Intent;
 import android.os.Bundle;
 import android.view.View;
@@ -11,6 +10,8 @@ import android.widget.Toast;
 
 import androidx.appcompat.app.AppCompatActivity;
 
+import com.example.myapp_1.DB.DBOperations;
+
 public class LoginActivity extends AppCompatActivity {
 
     EditText username;
@@ -19,8 +20,9 @@ public class LoginActivity extends AppCompatActivity {
     Button login;
     Button signup;
 
-    Button guestLogin;
 
+    DBOperations dbOperations = new DBOperations(this);
+    Button guestLogin;
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -66,11 +68,20 @@ public class LoginActivity extends AppCompatActivity {
                 if(username_data.isEmpty() || password_data.isEmpty()){
                     Toast.makeText(LoginActivity.this,"Please fill your data!", Toast.LENGTH_LONG).show();
                 }else{
-                    // Check for user input if in database
+                    if (dbOperations.checkLoginCredentials(username_data, password_data)) {
-                    // if found go to home page
+                        // Login successful
-                    // else keep in same page bitch
+                        // Proceed to the next screen or perform other actions
+                        Toast.makeText(LoginActivity.this,"Welcome", Toast.LENGTH_LONG).show();
                         Intent newScreen = new Intent(getApplicationContext(), HomeActivity.class);
                         startActivity(newScreen);
+
+                    } else {
+                        // Login failed
+
+                        Toast.makeText(LoginActivity.this,"Invalid Iformation", Toast.LENGTH_LONG).show();
+
+                    }
+
                 }
 
             }

app/src/main/java/com/example/myapp_1/SigninActivity.java

@@ -1,14 +1,16 @@
 package com.example.myapp_1;
 
-import androidx.appcompat.app.AppCompatActivity;
 import android.content.Intent;
 import android.os.Bundle;
 import android.view.View;
 import android.widget.Button;
 import android.widget.EditText;
-import android.widget.TextView;
 import android.widget.Toast;
 
+import androidx.appcompat.app.AppCompatActivity;
+
+import com.example.myapp_1.DB.DBOperations;
+
 public class SigninActivity extends AppCompatActivity {
 
     EditText username;
@@ -18,6 +20,7 @@ public class SigninActivity extends AppCompatActivity {
 
     Button register;
 
+     DBOperations dbOperations = new DBOperations(this);
 
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -32,37 +35,46 @@ public class SigninActivity extends AppCompatActivity {
         register.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-
                 String username_data = username.getText().toString();
-                String phonenumber_data = username.getText().toString();
+                String phonenumber_data = phonenumber.getText().toString();  // Corrected here
-                String email_data = username.getText().toString();
+                String email_data = email.getText().toString();  // Corrected here
-                String password_data = username.getText().toString();
+                String password_data = password.getText().toString();  // Corrected here
 
                 boolean checked = false;
-                //Add the user to the database
+
-                //betengano base
+                String[] data = new String[4];
-                String [] data = new String[4];
                 data[0] = username_data;
                 data[1] = phonenumber_data;
                 data[2] = email_data;
                 data[3] = password_data;
 
 
-                for(int i = 0; i < data.length; i++){
+
-                    if(data[i].isEmpty()){
+                for (int i = 0; i < data.length; i++) {
+                    if (data[i].isEmpty()) {
                         Toast.makeText(SigninActivity.this, "Please fill your data!", Toast.LENGTH_LONG).show();
                         checked = false;
                         break;
-                    }else{
+                    } else {
                         checked = true;
                     }
                 }
 
-                if(checked == true){
+                if (checked) {
+                    long newRowId = dbOperations.insertUser(data[0], data[1], data[2], data[3]);
+
+                    if (newRowId != -1) {
+                        Toast.makeText(SigninActivity.this, "SignUp Success", Toast.LENGTH_LONG).show();
+                    } else {
+                        Toast.makeText(SigninActivity.this, "SignUp failed" + newRowId, Toast.LENGTH_LONG).show();
+                    }
                     Intent newScreen = new Intent(getApplicationContext(), LoginActivity.class);
                     startActivity(newScreen);
                 }
             }
         });
+
     }
 }
+
+

db_related/serber_sql.sql

@@ -4,7 +4,7 @@
 -- last_name  => User's Last Name
 -- U_email    => User's Registered Email
 -- U_password => User's Password
-CREATE TABLE users(U_ID SERIAL PRIMARY KEY,
+CREATE TABLE users(u_id SERIAL PRIMARY KEY,
                   first_name varchar(255) NOT NULL,
                   last_name varchar(255) NOT NULL,
                   U_email varchar(255) NOT NULL UNIQUE,
@@ -54,12 +54,13 @@ CREATE TABLE prefers(pref_UID SERIAL,
 -- time_of_day => Time object, nanosecond accuracy, y'all handle it idk
 -- week_day    => varchar as {Mon, Tue, Wed}, Could probs just encode with 0 -> 6
 -- tram_line   => int ranging 1 -> 4
--- fill_status => Boolean, 1 full, 0 not as full
+-- direction => Boolean, 1 full, 0 not as full
-CREATE TABLE arrival(time_of_day TIME,
+CREATE TABLE arrivals(
+                     a_id SERIAL PRIMARY KEY,
+                     time_of_day TIME,
                      week_day INTEGER,
                      tram_line INTEGER,
-                     fill_status BOOLEAN
+                     direction BOOLEAN,
-                     CONSTRAINT ck PRIMARY KEY (week_day,tram_line)
+                     CONSTRAINT in_week CHECK (week_day >= 0 AND week_day <= 6),
-                     CONSTRAINT in_week CHECK (week_day >= 0 AND week_day <= 6)
                      CONSTRAINT valid_line CHECK (tram_line >= 1 AND tram_line <= 4)
                      );

local.properties

@@ -1,8 +0,0 @@
-## This file must *NOT* be checked into Version Control Systems,
-# as it contains information specific to your local configuration.
-#
-# Location of the SDK. This is only used by Gradle.
-# For customization when using a Version Control System, please read the
-# header note.
-#Wed Dec 20 09:27:23 EET 2023
-sdk.dir=C\:\\Users\\ahmed\\AppData\\Local\\Android\\Sdk