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Android

A collection of 9 posts

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.

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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

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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

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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.