Technical writing archive

125 migrated posts from Ghost, organized into iOS, Android, Unity, and Other.

iOS 70
Android 23
Unity 7
Other 25

iOS

70 posts

Android

23 posts

Android
Which `Context` Should You Use in Android?

Which Context Should You Use in Android? Context is everywhere in Android, but choosing the wrong one can lead to memory leaks, broken UI, or hard‑to‑debug crashes. This article ex

Mar 4, 2026
Android
Kotlin `lazy` vs `lateinit`: When to Use Each

Kotlin lazy vs lateinit : When to Use Each Kotlin gives you two common ways to defer initialization of a property: lazy and lateinit . They look similar on the surface, but they so

Dec 30, 2025
Android
Singleton in Kotlin

In the Kotlin programming language, a singleton is a design pattern that allows you to create only one instance of a class. This is useful when you want to make sure that there is

Mar 10, 2023
Android
Use keystore to store your sensitive in Kotlin

The keystore is a secure storage location in Android that is used to store encryption keys, digital certificates, and other sensitive information. The keystore is encrypted with a

Mar 8, 2023
Android
Certificate pinning and Public key pinning in Kotlin

With the last article ( Certificate pinning and Public key pinning ), we know the concept of Certificate pinning and Public key pinning, and how to implement them in iOS. This arti

Feb 24, 2023
Android
Download image from URL in Kotlin

In Android, we can get the image from synchronously and asynchronously, but it is more common to see in the later. Download image synchronously To download an image from a URL in K

Feb 20, 2023
Android
RunBlocking in Kotlin Coroutine

In previous post, we have gone through most of the key concepts and methods in Coroutine: Kotlin Coroutines Table Content 1, Introduction to Coroutine in Kotlin 2, Non-blocking in

Feb 15, 2023
Android
Lazy in Kotlin

In the Kotlin programming language, the term "lazy" typically refers to a type of property or variable that is only initialized when it is first accessed, rather than when the cont

Feb 10, 2023
Android
Encode URL in Kotlin

In Kotlin, you can use the URLEncoder class to encode a URL string so that it can be safely transmitted over the internet. The URLEncoder class is part of the Java standard library

Feb 1, 2023
Android
Difference between activity and requireActivity() in Kotlin

activity property In the Android framework, the Activity class represents an app's UI and provides an interface for the app to interact with the system. The activity property in a

Jan 23, 2023
Android
Start and Suspend a Coroutine in Kotlin

Kotlin Coroutines Table Content 1, Introduction to Coroutine in Kotlin 2, Non-blocking in Kotlin Coroutines 3, Start and Suspend a Coroutine in Kotlin (This article) With the previ

Jan 20, 2023
Android
Non-blocking in Kotlin Coroutines

Kotlin Coroutines Table Content 1, Introduction to Coroutine in Kotlin 2, Non-blocking in Kotlin Coroutines (This article) 3, Start and Suspend a Coroutine in Kotlin (incoming this

Jan 18, 2023
Android
Introduction to Coroutine in Kotlin

A Coroutine is a lightweight thread of execution that can be suspended and resumed later. There are already many articles or topics covering this but this post is different, it is

Jan 16, 2023
Android
How to make a custom view in Kotlin

To create a custom view in Kotlin, you can create a new subclass of View and override the onDraw method to draw the view's content. Then, you can add any additional properties or b

Jan 11, 2023
Android
Bottom Sheet Dialog implementation in kotlin

To create a bottom sheet dialog in Kotlin, you can use the BottomSheetDialog class from the Android Support Library, which is a built-in package. Here's an example of how you can u

Dec 17, 2022
Android
Companion Object in Kotlin

Kotlin provides a brand new keyword companion which not exists in other programming languages. But don't be panic, it is not something new when you have one step closer. A companio

Dec 6, 2022
Android
How to enable iMessage on your Android devices for free

This article demonstrates how to connect iMessage service to your Android phone/pad so that you can contact your iPhone friends freely from now on. To finish the article will take

Nov 9, 2020
Android
How to auto-sizing text size in Android

Most of the time we can display the text as follows: <TextView android:id="@+id/text_question_no" android:layout_width="wrap_content" android:layout_height="wrap_content" androi

Oct 10, 2020
Android
An easy example on how to use Jetpack ViewModel and LiveData

Jetpack broken up into four main areas: Architecture, Foundation, Behavior and UI. ViewModel ViewModel helped to achieve two things: help the project to adopt MVVM architecture hol

Jul 22, 2020
Android
Android: Are you familiar with onCreate(), onStart() onResume() and ...

running order of onCreate, onStart, onResume and onDestory .... in Android using Kotlin

Jul 6, 2020
Android
How to find your Play Store ID

For most Android phone users, Play Store is already installed on the phone already. It is a portal for you to download and install new apps with just few taps. The icon of the Play

Apr 16, 2020
Android
How did I pass my Australian Citizenship Test within 7 days

Australia Citizenship Test in 2019, which will answer almost every question that you need before you attend the test. Available on Google Play app

Aug 2, 2019
Android
Load local html resource on Android using webView

Local html and sources are necessary when you try to show an error page dealing with situations such as 404 , 500 and etc errors happened on remote server. And here is how: First,

Aug 27, 2018

Unity

7 posts

Other

25 posts