我有現(xiàn)有的數(shù)據(jù)庫，其中包含姓名、姓氏、電子郵件電話和密碼，我想使用它來進(jìn)行具有兩個(gè)編輯文本（電子郵件或電話號(hào)碼）和（密碼）的登錄活動(dòng)。登錄活動(dòng)背后的代碼是什么？登錄（如果成功獲取其他數(shù)據(jù)）---->ParentsMenu（使用數(shù)據(jù)）DatabaseHelper.javapackage edu.angelo.parentsportal;import android.content.ContentValues;import android.content.Context;import android.database.Cursor;import android.database.sqlite.SQLiteDatabase;import android.database.sqlite.SQLiteOpenHelper;import java.util.ArrayList;public class DatabaseHelper extends SQLiteOpenHelper {public static final String DATABASE_NAME = "Parents_Portal.db";public static final String TABLE_NAME = "Parents_Table";public static final String COL_0 = "ID";public static final String COL_1 = "NAME";public static final String COL_2 = "SURNAME";public static final String COL_3 = "EMAIL_ADDRESS";public static final String COL_4 = "PHONE_NUMBER";public static final String COL_5 = "PASSWORD";public DatabaseHelper(Context context) {    super(context, DATABASE_NAME, null, 1);}@Overridepublic void onCreate(SQLiteDatabase db) {db.execSQL("create table " + TABLE_NAME +"(ID INTEGER PRIMARY KEY AUTOINCREMENT, NAME TEXT, SURNAME TEXT, EMAIL_ADDRESS TEXT, PHONE_NUMBER TEXT, PASSWORD TEXT)");}@Overridepublic void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {db.execSQL("DROP TABLE IF EXISTS "+TABLE_NAME);onCreate(db);}public boolean insertData(String name, String surname, String email_address, String phone_number, String password){    SQLiteDatabase db = this.getWritableDatabase();    ContentValues contentValues = new ContentValues();    contentValues.put(COL_1,name);    contentValues.put(COL_2,surname);    contentValues.put(COL_3,email_address);    contentValues.put(COL_4,phone_number);    contentValues.put(COL_5,password);    long result = db.insert(TABLE_NAME, null , contentValues);    if (result == -1) {        return false;    }    else {        return true;    }}