create a database for storing notes

app/src/main/java/com/simplemobiletools/notes/databases/DBHelper.java

@@ -0,0 +1,38 @@
+package com.simplemobiletools.notes.databases;
+
+import android.content.Context;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+
+public class DBHelper extends SQLiteOpenHelper {
+    private static final String DB_NAME = "notes.db";
+    private static final int DB_VERSION = 1;
+    private static final String TABLE = "notes";
+
+    private static final String COL_ID = "id";
+    private static final String COL_NAME = "name";
+    private static final String COL_TEXT = "text";
+
+    public static DBHelper newInstance(Context context) {
+        return new DBHelper(context);
+    }
+
+    private DBHelper(Context context) {
+        super(context, DB_NAME, null, DB_VERSION);
+    }
+
+    @Override
+    public void onCreate(SQLiteDatabase db) {
+        db.execSQL("CREATE TABLE " + TABLE + "(" +
+                COL_ID + " INTEGER PRIMARY KEY, " +
+                COL_NAME + " TEXT, " +
+                COL_TEXT + " TEXT" +
+                ")"
+        );
+    }
+
+    @Override
+    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+
+    }
+}