Hi there, I’m Phat, an Associate Android Engineer based in Ho Chi Minh City.

Sources: Activity Lifecycle · Fragment Lifecycle 🔵 Activity Lifecycle An Activity has 6 core lifecycle callbacks invoked by the system as it transitions between states. Lifecycle Flow onCrea...

The Presentation Layer is where your app meets the user — it handles UI rendering, user interactions, and state management. Choosing the right architectural pattern for this layer has a significant...

This document is based on the concepts outlined in the post Leetcode Patterns and provides a summarized interpretation prepared with the assistance of Claude. LeetCode Patterns: Easy to Hard Prog...

Jetpack DataStore is a data storage solution that allows you to store key-value pairs or typed objects with protocol buffers. It’s based on Kotlin coroutines and Flow to store asynchronousy, consis...

1. What is SOLID principles? The SOLID principles are a set of five fundamental design guidelines that help developers create software that is easy to maintain, extend, and understand. Five princ...

Android Clean Architecture is typically divided into three layers: Presentation, Domain, and Data. flowchart LR Domain ~~~ Data --> Domain Data ~~~ Domain UI-Layer --> Domain 1. Pre...

Fail fast fail last Design pattern Constraint layout bad practices, barrier, group Lazy and lateinit Abuse extenstion function Function parameter best practices Pre hook, run test befor...

1. What is Clean Architecture? Clean Architecture is software development philosophy that provides developers with a way to organize codes base on key princiles. 2. Key principles of Clean Archit...