Setting up Android notification channels before invoking runApp — When you read documentation about flutter_localizations you’ll notice, that it’s fairly easy to use the localizations with AppLocalizations.of(context). …

The hidden “gems” of Google`s Maven repository If you’ve ever created a new Android project you’ll have been greeted by the standard project build.gradle file starting with the following (now obsolete) declaration… // Top-level build file where you can add configuration options common to all sub-projects/modules. buildscript {…

A context aware string abstraction for Android — Ask yourself a fairly standard question for any interview to fill an Android position: How would you provide a String from a ViewModel to display it with the View? This is not only a theoretical problem, but rather an applied one which surfaces in every project. Most solutions are fairly…

Or how to hide a bottom navigation component with WindowInsetsCompat — Implementing UX-flows with bottom navigation and on-screen keyboards on Android should be easy. But like most of you already know, it isn’t. The bottom navigation uses up a lot space at the bottom of the screen. When the keyboard isn‘t available, this isn’t an issue and everything looks good. But…

Defining semantic versions via versionName and versionNameSuffix in defaultConfig, buildTypes and productFlavors — Versioning in Android is critical to identifying capabilities and age of the application. Like many other software components, Android applications are automatically handled by services (such as the CI) or manually managed by persons (such as the QA or PO). While the Android system uses a simple numerical versionCode to…

The only RecyclerView.ViewHolder you’ll ever need — The RecyclerView.ViewHolder describes an item view and metadata about its place within the RecyclerView. Also it is responsible for caching potentially expensive View.findViewById(int) call results. …

Useful documentation for any lambda: (foo: Bar) -> Unit — Function declarations contain names for their parameters. That’s as ordinary as it gets in programming. The definition of anonymous functions and lambdas contain named parameters, though it might be implicitly named and used with lambdas. …

SoftwareComponent support from the Android Gradle Plugin — Support for the Maven Publish plugin has landed in Android Studio 3.6. Unofficial implementations have been around with android-maven-publish or the abandoned android-maven-gradle-plugin. But these tools rely on internal Gradle APIs and thus have to be updated with every new release of the Android Gradle Plugin or Gradle itself. The…

How to properly ask a developer to integrate with an SDK — No, it is not clear how to achieve this task. An SDK might help with what you expect it to, within your product and often many more things. It is not a magic wand, performing any task by itself just by adding a reference and calling an initialisation method. Even…