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Orientation Communication: Writing a stand up Code base: Architecture Migrations Kotlin Standard Library Never use double bang (!!) Common Design Pattern Simple view / view model Update parent view from a child view Linked drop down ...

Developers will have the following roles (badges): Developer Architect UI Developer DB Designer New developers will not work on all aspects of the project. Certain parts are permitted to certain roles.  If a developer want to work on one of the restr...

Sudan Startups: Narbase Technologies Balsam Balsam Consultations Balsam Medico 249Startups  Sanad Orooma Zajil Career KTL ExitFund The Code Effect Khodorgy Dopa Smart Delivery Fresh Guffa Nasna Ventures Mishwar Go Tirhal Lem...

Summary Founded December 2017 Sector Technology Founders Hind Abulmaali Islam Abdalla Currently operating Yes No. of Employees 11-50 Public Links Website Facebook GitHub About Services ...

No Partial Credit Items move to the next sprint with the same estimate Scrum Points Taking into account: Amount of work Complexity Risk

Data Layer The data layer of an app contains the business logic. The business logic is what gives value to our app—it's made of rules that determine how our app creates, stores, and changes data. Database and Migrations DAOs and Repositories Domain Lay...

Like many RPC systems, our routing is based around the idea of defining an endpoint, specifying the methods that can be called remotely with their parameters and return types. We use data transfer object classes (DTO) in the common Kotlin module as the Interfa...

Kunafa provides components for all basic views such as textView, ImageView, ButtonView, Table, Form, etc. These also include Layout Views and Scroll Views such as verticalLayout, horizontalLayout, verticalScollLayout, horizontalScrollLayout. Be sure not to us...

Custom UI Elements More complex custom views were created that can be plugged in and fit many common interface scenarios. These include DropDownList, RemotesDropdownList, DatePicker, CheckBoxList, etc. The following are implementations of some of the commonly...

Controllers and CRUD operations are important concepts in software development that we utilize in all of our projects. So, let's talk about what they are and how they work. What is a Controller? Controllers are classes that handle incoming requests from a cl...

To manipulate data, we use abstractions around the details for readability and to lessen boilerplate. There are a couple layers of abstractions in dealing with storage. At Narbase, the most notable ones that you will likely deal with are DAOs (Data Access Obj...

Components and view models are two fundamental concepts that we use day to day. So let's talk about them. What is a Component? In Kunafa, a Component is an abstract class that represents a piece of UI element on the screen. We compose multiple components tog...

Database The PEKK stack used by Narbase uses Postgresql for database management. Ensure that Postgresql is installed and running on your machine.  Then refer to the .conf file in your project. Create databases by the names specified in the .conf file, along w...

As you may already know, Kunafa relies heavily on observables and events to handle data manipulation and state representation. I'll touch briefly on each one of these topics and provide an simple example that ties them together at the end. Events Basic eve...

Basic Definitions: Let's start this off with basic definitions Authorization: is when determine if the authenticated user has the privileges to access a certain resource or API. Authentication: is when we verify the user's identity. Authentication Workf...

Communication between a server and a client over a network is an important topic that is worth to talk about. Network calls and DTOs (Data Transfer Object) are concepts that we use all the time in Narbase. So It's time to learn what they are and how we use the...

Input Errors When prompting the user for input, the errors in the input can be shown on the screen.Adding a text view component to the form in the view is the used approach, the text should be red.The view model should have the string variable that is bound t...

Back-end: Tables definitions (Table classes) Main Controllers (Names and DTOs) Front-end: Navigation (Routes URLs) Components & View Models List (names and  packages)