Add new file

myDBConnector.java

+package com.example.carrentals;
+
+import android.content.ContentValues;
+import android.content.Context;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+
+// Terms for the structure
+public class myDBConnector extends SQLiteOpenHelper {
+    private static final int DB_VERSION = 1;
+    private static final String DB_NAME = "Registration.db";
+    private static final String TABLE_Users = "Users";
+    private static final String COLUMN_ID = "UsersID";
+    private static final String COLUMN_Name = "Name";
+    private static final String COLUMN_UserName = "UserName";
+    private static final String COLUMN_Password = "Password";
+
+
+    public myDBConnector(Context context, String name, SQLiteDatabase.CursorFactory factory, int version) {
+
+        super(context, DB_NAME, factory, DB_VERSION);
+    }
+
+    @Override
+    public void onCreate(SQLiteDatabase db) {
+        String Create_table = "CREATE TABLE " +
+                TABLE_Users + "(" +
+                COLUMN_ID + "INTEGER PRIMARY KEY," +
+                COLUMN_Name + " TEXT," +
+                COLUMN_UserName + " TEXT," +
+                COLUMN_Password + " INTEGER" + ")";
+
+        db.execSQL(Create_table);
+    }
+
+    @Override
+    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+
+    }
+
+    // End of the class myDBCONNECTOR
+    public void addNewUser(String name, String userName, String password) {
+
+        ContentValues values = new ContentValues();
+        values.put(COLUMN_Name, name);
+        values.put(COLUMN_UserName, userName);
+        values.put(COLUMN_Password, password);
+
+        SQLiteDatabase db = this.getWritableDatabase();
+
+        db.insert(TABLE_Users, null, values);
+        db.close();
+    }
+
+
+    public boolean checkLogin(String username, String password) {
+
+        boolean result = false;
+
+        String query = "Select * FROM " + TABLE_Users +
+                " WHERE " + COLUMN_UserName + " = \"" + username + "\"";
+        SQLiteDatabase db = this.getWritableDatabase();
+
+        Cursor cursor = db.rawQuery(query, null);
+
+        if (cursor.moveToFirst()) {
+            if (cursor.getString(3).equals(password)) {
+                result = true;
+            }
+        } else {
+            result = false;
+        }
+        cursor.close();
+        db.close();
+
+        return result;
+    }
+
+
+    public String findUser(String Username) {
+
+        String s = null;
+
+        String query = "Select * From" + TABLE_Users +
+                "WHERE " + COLUMN_UserName + "= \"" + Username + "\"";
+
+        SQLiteDatabase db = this.getWritableDatabase();
+        Cursor cursor = db.rawQuery(query, null);
+
+        if (cursor.moveToFirst()) {
+           s = Integer.parseInt(cursor.getString(0)) +
+                   cursor.getString(1) +
+                   cursor.getString(2) +
+                   cursor.getString(3);
+            }
+
+        cursor.close();
+        db.close();
+
+        return s;
+    }
+}
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