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Android

A collection of 10 posts

Your guide to foreground services on Android

Android Featured

Your guide to foreground services on Android

Android foreground services are difficult to get right. In this post, I'll explain the restrictions and what you need to do to get them working properly.

Implementing Server-Sent Events with Spring Boot and Android

With HTTP/2 we can no longer use Web Sockets, so when we need to push data to the client from the server we need an alternative way. This is where Server-Sent Events come in. In this post, I will show how to implement it both in the backend, using Spring Boot, and on an Android client.

Bluetooth LE for modern Android Development - part 2

Bluetooth LE for modern Android Development - part 2

In the previous post, I introduced the three major BLE-related news that came with Android 8.0. As that version was released in August 2017, I consider it safe to have Android 8.0 as the minSdkVersion today. The chance that you have a significant number of users on older

Bluetooth LE for modern Android Development - part 1

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Bluetooth LE for modern Android Development - part 1

This post will be the first in a series where I aim to explain how to use the BLE APIs on Android to their full potential.

Android Featured

Profiling View performance on Android

I recently had a situation where I needed to change from LinearLayout to FlexboxLayout [https://github.com/google/flexbox-layout]. Before I could implement this change I needed to be sure we didn't make the UI slower in any way. In this post I'll describe the process for measuring the performance

Rendering Markdown with Jetpack Compose

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Rendering Markdown with Jetpack Compose

Most developers are familiar with the Markdown format. We use it for simple README files in our git repos or for writing blog posts. It's a powerful and yet simple format that allows us to write documents with rich text formatting, without the need for an advanced word editor. The

Break up the app stores

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Break up the app stores

It is time to break up the monopolies of Apple App Store and Google Play Store.

Instant Search with Kotlin Coroutines

Android Featured

Instant Search with Kotlin Coroutines

A guide for implementing instant search in an Android application using Kotlin Coroutines, and how to write a test for it.

TextureView transforms on Android

Android Featured

TextureView transforms on Android

How to implement and understand the TextureView transformation for getting the camera viewfinder correct on Android, without having full knowledge of complex computer graphics theory.

KittyLog - A small logcat utility

KittyLog - A small logcat utility

A tiny and simple utility for Android logcat. Not intended for production use.