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Wajahat Karim

🔥 Google Dev Expert (GDE) in Android .
📱 Android Dev. 💻 Open Source Contributor . 📝 Technical Writer . 🎤 Public Speaker

Senior Android Developer

Karachi, Pakistan

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🚨 Avoid Disaster: Safeguard Your Keystore Files - Lessons Learned the Hard Way!

Mar 3, 2024

This article is a part of my Failure Story series. 🛠️ Back in 2017, I was working on an app which was used for a a very large conference held in Oman.

Getting Started with Google's Gemini AI in Android

Feb 2, 2024

Google Cloud credits are provided for this project. Unlock the potential of Google’s Gemini AI in Android development with this comprehensive tutorial.

Reduce Screen Time Without Giving up Your Social Life

Nov 11, 2022

Photo by Erik Lucatero on Unsplash In this era of social media and smartphones, where companies’ main goal is to keep users on their products as much as possible no matter what it takes for that.

Securing Your Android Keys & Secrets with Native C++ Code

Aug 8, 2022

This article will guide you on how to secure your API keys, Base URLs, and other sensitive data of your app.

Step-by-Step Guide on Securing SharedPreferences in Android

Jul 7, 2022

Security is a very important topic and has to be taken seriously when developing Android applications, especially if sensitive data is stored on the device.

Singleton Pattern in Kotlin - Design Patterns for Dummies

Jul 7, 2022

In this article, you will learn about the basic concepts of Design Patterns, their advantages, and types. You will also see an example of the Singleton Design pattern in Kotlin for Android.

Meet DataStore - The New SharedPreferences for Android

Jul 7, 2022

To store some little amount of data in Android like phone number, name, or a person, etc. Android developers use SharedPreferences API.

Improve App Rating with Google In-App Review Dialog

Jun 6, 2022

When app developers publish apps on stores like Google Play or App Store etc., their apps are given reviews by users.

Beginner's Guide on ConcatAdapter in Android

Jun 6, 2022

Instead of making a number of RecyclerViews for each adapter in our app, a class named as ConcatAdapter is introduced in recyclerview:1.

Setting up Dark Theme for Your App

Jun 6, 2022

Google have introduced native support of system-wide dark themes in Android 10. And with it rolling out in more and more devices every month, the need for Dark mode for your app is on-rise and demand.