Mobile Programming

Android and iOS/Swift Programming Tutorials, Interview questions and recipes.

Kotlin Coroutines with Retrofit

Upasana | August 01, 2020 | 4 min read | 2,667 views

In this tutorial we will use android architecture components for making Kotlin coroutine enabled REST API calls using Retrofit in Android Application

Read Article

Retrofit OAuth2 Bearer Token Authentication OkHttp Android

Upasana | July 14, 2020 | 2 min read | 4,888 views

In this tutorial we are going to learn how to implement OAuth2(bearer Token) authentication in your app using the retrofit.

Read Article

Retrofit Basic Authentication in Android

Upasana | December 30, 2019 | 2 min read | 3,730 views

We will add basic authentication in android app using retrofit and okhttp

Read Article

FirebaseInstanceIdService is deprecated now

Upasana | August 31, 2019 | 2 min read | 4,203 views

FirebaseInstanceIdService is deprecated in favor of onNewToken in FirebaseMessagingService, in this article we will explore ways to migrate to the new approach using FirebaseInstanceId.getInstance().getToken()

Read Article

iOS interview experience fresher

Upasana | May 05, 2019 | 1 min read | 7 views

Commonly asked interview questions for iOS interview 0-3 years experience. OOPS concepts, algorithms, data structures, object-c and swift

Read Article

Service vs Intent Service in Android

Upasana | May 05, 2019 | 1 min read | 31 views

Service is a class of android SDK, And Intent Service is a subclass of Service class.

Read Article

iOS interview questions for 0-3 years experience

Upasana | April 22, 2019 | 1 min read | 12 views

Top 15 iOS interview questions for 0-3 years experience candidate

Read Article

Firebase Cloud Messaging in Android App using Command Pattern

Upasana | July 28, 2018 | 4 min read | 195 views

In this tutorial we will learn how to integrate Firebase Cloud Messaging in Andorid Project using Command Design Pattern.

Read Article