مشکل در ساخت دایرکتوری دیتا بیس

سلام وقتی برنامه ران میشه لاگ کت سطر25را نشان میده ودایرکتوری دیتابیس تو پوشه اس دی کارت ساخته نمیشه

 package com.uncocoder.course.app.database;

import java.io.File;
import android.app.Application;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.os.Environment;
import android.util.Log;


public class G extends Application {

    public static Context        context;
    public static SQLiteDatabase database;
    public static final String   DIR_SDCARD   = Environment.getExternalStorageDirectory().getAbsolutePath();
    public static final String   DIR_DATABASE = DIR_SDCARD + "/database-test/";


    @Override
    public void onCreate() {
        super.onCreate();
        context = this.getApplicationContext();

        new File(DIR_DATABASE).mkdirs();

 25--------> database = SQLiteDatabase.openOrCreateDatabase(DIR_DATABASE + "/database.sqlite", null);
        database.execSQL("CREATE  TABLE  IF NOT EXISTS person (" +
                "person_id INTEGER PRIMARY KEY  AUTOINCREMENT  NOT NULL  UNIQUE , " +
                "person_name TEXT, " +
                "person_family TEXT, " +
                "person_age INTEGER" +
                ")");

        /*
        for (int i = 0; i < 20; i++) {
            database.execSQL("INSERT INTO person (person_name,person_family,person_age) VALUES ('Name#" + i + "','Family#" + i + "'," + i + ")");
        }
        */

        Cursor cursor = database.rawQuery("SELECT * FROM person WHERE person_age>10", null);
        while (cursor.moveToNext()) {
            String name = cursor.getString(cursor.getColumnIndex("person_name"));
            String family = cursor.getString(cursor.getColumnIndex("person_family"));
            int age = cursor.getInt(cursor.getColumnIndex("person_age"));
            Log.i("LOG", "Record: " + name + " " + family + ", " + age);
        }
        cursor.close();

        database.execSQL("DELETE FROM person WHERE person_age>10");
        database.execSQL("UPDATE person SET person_name='test' WHERE person_age>7");
    }
}