PinnedThe Guide to Infinite Loop Carousel with RecyclerViewSo recently I was tasked to make a carousel list that loops infinitely when scrolled. It means that when we scroll to the last item on the list, the next item should loop back to the first item again. I think the “infinite” concept itself is not hard to understand…Android5 min readAndroid5 min read
Jan 30, 2022Retained Dagger Component over Configuration ChangesIf you write an Android Application and uses Dagger to inject dependencies to your Activities, chances are you do it like this: This code works well and will run perfectly on most occasions. However, if your application somehow supports multiple orientations or any other things…Dagger 22 min readDagger 22 min read
Apr 3, 2021Smart Bulb or Wall Switch?What you should consider before you make your light smarter — So recently, I’ve taken an interest in smart home. I tried making my apartment smart and it surprised me that there were actually so many things that I need to consider. …Smart Home5 min readSmart Home5 min read
Aug 22, 2020Creating Custom Transition in AndroidAnimation has been one of the core part of an Android application. It can gives more meaning and context to the user. It can also gives a sense of continuity between states or even pages. As important as it is, it might be hard to make an animation in Android…Android5 min readAndroid5 min read
Jul 18, 2020How to Create and Use Kotlin Delegated PropertiesAs a Kotlin developer, there’s a high chance that you have encounter code that looks like this val aVariable by lazy { valueCreatorForThisVariable() } The code by lazy is something that is exclusive to Kotlin. It is used to compute the value only once upon first variable accessed. …Kotlin4 min readKotlin4 min read
Jul 12, 2020Passing correct value as a method argument in KotlinWhen we are calling a function, there may or may not be an argument that we need to pass. Let’s say we have a person object. data class Person(val name: String, val height: Int, val weight: Int) Then, suppose we are going to check if a person is overweight or…Kotlin3 min readKotlin3 min read
May 16, 2020Creating Activity with Constructor ArgumentsAs an Android Developer myself, I find it pretty annoying that I can’t create an Activity with arguments in the constructor. Why? Because I pretty much hate it that when I want to inject some dependencies into the Activity, I have to add @Inject annotation to it (supposedly we use…Android3 min readAndroid3 min read
Apr 12, 2020Kotlin ContractsIn Kotlin 1.3, there are many newly introduced features that are still experimental. Some of the features are really powerful that it can definitely help us write better and readable code. In this article, I’m gonna explain one of the most powerful feature, which helps us remove some additional checks…Kotlin4 min readKotlin4 min read
Nov 30, 2019Database in a Multi-module Android ProjectNowadays, many Android developers adopt the concept of modularity in their projects. There are many reasons for why you should or shouldn’t modularize your project, but I won’t discuss it here. Adding database has been one of my pet peeves when developing a multi-module Android project. …Android3 min readAndroid3 min read
