Working with the new runtime — I came across Youtube to find some interesting tech videos, then I found a video talking about Bun, which is a JavaScript runtime written in Zig. It introduces itself as an incredibly fast runtime, way faster than Nodejs. So I decided to give it a try. Here is how to…

Recently, I was developing a Flutter server rendering framework called shark. If you don’t know what server rendering is and what is it for, you can read this https://www.omnisci.com/technical-glossary/server-side-rendering After a month, shark finally reached 1.0 stable 👌 Here is how to use it in 1 Minute. Add dependency to…

If you are an android developer, you must know passing object between objects is painful sometimes, it requires some boilerplate code. Normally, we implement Parceble interface for our model class, manually write every fields into Parcel object. And use these two method to put and get your object. intent.putExtra("xx", yourObject) intent.extras.getParcelable("xx")…

We all have seen the Controller class on a different widget, like ListView, VideoPlayer… It is used for controlling(modify) properties inside a widget. Because all the field inside a widget is marked as final, we cannot change them directly. Controller is the rule as a proxy to modify property inside…

Recently, my app needs a progress indicator like this to control volume for my audio player. I looked through pub.dev and did not find any package related to this, so I made one. https://pub.dev/packages/sa_progress_bar Let’s see how to use it. Download dependency dependencies: sa_progress_bar: ^version_number Sample use SaProgressBar( controller: _controller, onMoved: (value) { // progress on moved callback }, onTap: (value) { // progress on tap callback }, )

Today, I am gonna talk about Sequence in Kotlin and how it works under the wood. As Sequence, what we mainly talk about is the operator lambda function and how is it difference from List interface. Sequence is similar to Collection library from Java public interface Sequence<out T> {…

I am Jimmy lau, I am an Android developer. Flutter got popular this day so my company decided to do a little project on Flutter. I started learn flutter in recent days. I am here to talk about a specific method which I found it is really common on Flutter…

I made a small android package for imageView on Android . Basically, if you want zoom, drag & rotate gestures on your imageView, you can try this, it’s really easy to use. Let’s Start… First, add jitpack to your build.gradie file allprojects { repositories { ... maven { url 'https://jitpack.io' …