Wajahat Karim
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Wajahat Karim

Android Developer. Open Source Contributor. Writer. Speaker
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CET Education

February 21, 2017 in android, app, all
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Author's picture

Wajahat Karim

Android Developer. Open Source Contributor. Writer. Speaker

Senior Android Developer

Karachi, Pakistan
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🚀 Beginner’s Guide to Bottom Navigation with Android Jetpack

 Jan 1, 2020
A step-by-step guide for beginners on how to create Bottom Navigation using Android Jetpack Navigation Available on Medium Too After introduction of Fragments in Android Honeycomb, it became obvious to use more Fragments in preference to Activities to make apps lighter and faster. Google also started recommending single activity architecture. But implementing it has been a real pain-point for developers. The major cause of this is the Fragments and its transactions overhead.

🔍 Exploring Android Room Database with Room Explorer

 Dec 12, 2019
The in-app database viewer and manager for your Room databases. The SQLite has been a big part of the Android ecosystem and is found in almost from every small size to large-scale app. It does indeed help in organizing data in the local storage and persistence to either help in reducing network calls or make content delivery fast. The implementation of the SQLite wrappers in Android development has evolved from the SQLiteOpenHelper to the latest Annotation-based Jetpack Room database.

How to Convince Your Engineering Lead to Adopt Flutter

 Dec 12, 2019
By Salvatore Giordano. At the moment I’m not really into writing Flutter code, and I miss it. I’ve changed jobs more or less 10 months ago. Now I’m a backend-microservices developer using Node.js as a primary tool, but after all this time I’m starting to miss Flutter, Dart and that great community. So, my new mission is to convince my engineering lead to let me rewrite our main application using Google’s cross-platform framework — Flutter.

🕐 Revisited — 📚 A Guide on Splash Screen in Android in 2020

 Dec 12, 2019
👀 A fresh look on the splash screen in Android in Kotlin and Coroutines Splash screens of some popular apps on Android Splash screen is a very popular methodology in Android app development. Almost all major apps contain some sort of splash screen for many different reasons from brand awareness to loading heavy resources before app start. Some apps even add splash screens just because everyone else is adding it to follow the paradigm, even though their apps don’t need it.

Why Your Startup Needs Android App?

 Dec 12, 2019
Looking deep into how an android app can help in growth and survival of early-stage startups. About 2 weeks ago, I was invited to give a talk on Technical Entrepreneurship at PAF-KIET University, Karachi to their students. Usually my talks are about either Android development or open source. But this one was different. Organizers asked me to talk something about entrepreneurship. And after doing some research and thinking, I decided to focus on Android as the growth tool in startups’ early days.

🐦 Flying With Flutter — 🎤 Talk + 💻 Live Coding Session

 Dec 12, 2019
A talk and live-coding session given at SMIU University, Karachi organized by SMIU DSC Team Few days ago, on 18th December, 2019 I was invited to give a talk and live-coding session at Sindh Madressatul Islam University (SMIU), Karachi by their Computer Science department faculty. The event was organized by the SMIU Developer Students Club (DSC) team lead by a very nice and capable student Zubair Ansari. #carbonads { font-family: -apple-system, BlinkMacSystemFont, "

How to choose between Firebase and CometChat Pro

 Dec 12, 2019
This story was originally published with collaboration with CometChat Pro, and Alex Booker on their blog. Building rich messaging for your app might seem simple at first, but things can quickly escalate when you start to think about advanced features, edge-cases, and how to manage your chat infrastructure at scale. To overcome these challenges, you have several solutions available, but how do they compare? In this article, I will compare Firebase, a general-purpose app development platform, to CometChat Pro, which is built specifically to help you build chat.

Add Push Notifications to Your Android Chat App Using Kotlin

 Nov 11, 2019
This story was originally published with collaboration with CometChat Pro, and Alex Booker on their tutorials blog. For any kind of chat apps, notifications are the driver behind whole chat concept. These notifications lets users know that a new message has been sent, and asks to respond to it. This seems like a micro-interaction from user experience perspective, but this tiny interactions makes the whole chat a real-time conversation.

How is Flutter Different from Native, Web-view, and Other Cross-platform Frameworks

 Nov 11, 2019
Flutter is an application development framework from Google for creating cross-platform mobile applications (in iOS and Android). As mentioned on the official website, it aims to make the development as easy, quick, and productive as possible. Features such as Hot Reload, a vast widget catalog, very good performance, and a solid community contribute to meeting that objective and make Flutter a pretty good mobile development framework. This post is an excerpt from the book Google Flutter Mobile Development Quick Start Guide by Packt Publishing written by Prajyot Mainkar, and Salvatore Giordano.

📚Learning ConstraintLayout — 🚀Live Templates for Rescue 🚒

 Aug 8, 2019
Save time and improve productivity by using Live Templates for ConstraintLayout With more than 2.5 billion active android devices today, it has become a challenging task to create a fully responsive user interface (UI) for Android developers. Each device comes with different screen sizes, density, aspect ratio etc. But everyone wants to their apps to look exactly same on all devices. As Android ecosystem started growing year by year, Google started focusing more on solving problems of developers rather than adding new features.

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