AgeOrNot.java

package com.thenewboston.rajarshi;

import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.SQLException;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;

public class AgeOrNot {
	public static final String KEY_ROWID = "_id";
	public static final String KEY_NAME = "persons_name";
	public static final String KEY_ageNESS = "persons_ageness";
	private static final String DATABASE_NAME = "ageOrNotdb";
	private static final String DATABASE_TABLE = "peopleTable";
	private static final int DATABASE_VERSION = 1;

	private DbHelper ourHelper;
	private final Context ourContext;
	private SQLiteDatabase ourDatabase;

	private static class DbHelper extends SQLiteOpenHelper {

		public DbHelper(Context context) {
			super(context, DATABASE_NAME, null, DATABASE_VERSION);
			// TODO Auto-generated constructor stub
		}

		@Override
		public void onCreate(SQLiteDatabase db) {
			// TODO Auto-generated method stub
			db.execSQL("CREATE TABLE " + DATABASE_TABLE + " (" + KEY_ROWID
					+ " INTEGER PRIMARY KEY AUTOINCREMENT, " + KEY_NAME
					+ " TEXT NOT NULL, " + KEY_ageNESS + " TEXT NOT NULL);");
		}

		@Override
		public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
			// TODO Auto-generated method stub
			db.execSQL("DROP TABLE IF EXISTS " + DATABASE_TABLE);
			onCreate(db);
		}
	}

	public AgeOrNot(Context c) {
		ourContext = c;
	}

	public AgeOrNot open() throws SQLException {
		ourHelper = new DbHelper(ourContext);
		ourDatabase = ourHelper.getWritableDatabase();
		return this;
	}

	public void close() {
		ourHelper.close();
	}

	public long createEntry(String name, String ageness) {
		// TODO Auto-generated method stub
		ContentValues cv = new ContentValues();
		cv.put(KEY_NAME, name);
		cv.put(KEY_ageNESS, ageness);
		return ourDatabase.insert(DATABASE_TABLE, null, cv);
	}

	public String getData() {
		// TODO Auto-generated method stub
		String[] columns = new String[] { KEY_ROWID, KEY_NAME, KEY_ageNESS };
		Cursor c = ourDatabase.query(DATABASE_TABLE, columns, null, null, null,
				null, null);
		String result = "";

		int iRow = c.getColumnIndex(KEY_ROWID); //0
		int iName = c.getColumnIndex(KEY_NAME); //1
		int iageness = c.getColumnIndex(KEY_ageNESS); //2

		for (c.moveToFirst(); !c.isAfterLast(); c.moveToNext()) {
			result = result + c.getString(iRow) + " " + c.getString(iName)
					+ " " + c.getString(iageness) + "\n";
		}

		return result;
	}

	public String getName(long l) throws SQLException {
		// TODO Auto-generated method stub
		String[] columns = new String[] { KEY_ROWID, KEY_NAME, KEY_ageNESS };
		Cursor c = ourDatabase.query(DATABASE_TABLE, columns, KEY_ROWID + "="
				+ l, null, null, null, null);
		if (c != null) {
			c.moveToFirst();
			String name = c.getString(1);
			return name;
		}
		return null;
	}

	public String getageness(long l) throws SQLException {
		// TODO Auto-generated method stub
		String[] columns = new String[] { KEY_ROWID, KEY_NAME, KEY_ageNESS };
		Cursor c = ourDatabase.query(DATABASE_TABLE, columns, KEY_ROWID + "="
				+ l, null, null, null, null);
		if (c != null) {
			c.moveToFirst();
			String ageness = c.getString(2);
			return ageness;
		}
		return null;
	}

	public void updateEntry(long lRow, String mName, String mageness)
			throws SQLException {
		// TODO Auto-generated method stub
		ContentValues cvUpdate = new ContentValues();
		cvUpdate.put(KEY_NAME, mName);
		cvUpdate.put(KEY_ageNESS, mageness);
		ourDatabase.update(DATABASE_TABLE, cvUpdate, KEY_ROWID + "=" + lRow,
				null);
	}

	public void deleteEntry(long lRow1) throws SQLException {
		// TODO Auto-generated method stub
		ourDatabase.delete(DATABASE_TABLE, KEY_ROWID + "=" + lRow1, null);
	}
}