Android App Development

Live data or Mutable Live Data is an observable data holder class. We need this class because it makes it easier to handle the data inside View Model because it’s aware of Android Lifecycles such as app components, activities, fragments, and services. The data will always update and aware of…

В собеседованиях на позицию Android разработчика, у многих возникает проблема описать что такое Handler, Looper, MessageQueue. По себе знаю, что этот вопрос вызывает дискомфорт даже, когда ты знаешь ответ. И особенно тяжело, когда ты только вкатываешься в разработку. Это подтолкнуло меня сделать эту статью. Эта статья должна дать исчерпывающее представление…

Spanned Strings are very powerful in Android. ReplacementSpans are perhaps the most powerful; they allow for inserting images or highlights and combined with a LineHeightSpan, the possibilities for presenting your text are endless. Why isn’t everybody using Spanned Strings? Quite frankly, they’re hard to work with. Nobody wants to do font math when developing a layout…

In my recent project, I was trying to add BottomSheet which gets triggered when the user creates a gesture of upwards swipe as you see in Snapchat Memories, where the camera works in the background and on upwards swipe we open the bottom sheet. Here is the outcome.

Sealed classes are useful when we want to make sure that the values of a given type can only come from a particular limited set of subtypes. In other words Sealed classes are used for representing restricted class hierarchies, when a value can have one of the types from a…

A collapsing toolbar mechanism built completely in Jetpack Compose. You can go to any article of this guide by clicking on one of the links below: Collapsing Toolbar in Jetpack Compose Problem, solutions and alternatives Codebase ‘Column’ version More to come… ⚠️ ATTENTION ⚠️ 💬 If you want to skip descriptions, comments and explanations, follow…

In this article which is second part of mastering constraint layout , I will show you how we can use Aspect Ratio Guidelines Barrier Group Chains Baseline Circular positioning The first article -> Mastering ConstraintLayout — Part 1 Aspect Ratio We sometimes need to create views with a specific aspect ratio. This…

個人開発のJetpack Composeを使用したAndroidアプリで、ラベル付きのPie Chartを実装したのでその記録。 今回の実装で作成したサンプルプロジェクト GitHub - Veget-ables/pie-chart-sample You can't perform that action at this time. You signed in with another tab or window. You signed out in another tab or…github.com Androidでグラフを表現したいとき、従来のViewベースではMPAndroidChartを使うと簡単に実現できた。しかしMPAndroidChartはまだComposeをサポートしていないのと今回はPie Chartだけが欲しくて、他のグラフ実装の依存は不要だったので、MPAndroidChart以外の方法を探した。