Migrating from LiveData to StateFlow Without UI Regressions
A safe Android migration path that separates persistent state from one-time UI events.
One Compose Navigation Trap: Duplicated Back Stack After Process Death
Fix duplicated Android back stack restoration by centralizing route state and one-shot restore logic.
Room Database Migrations: The Step Most Teams Skip
Prevent Android data-loss regressions with migration-path tests and post-migration integrity checks.
One Android Architecture Mistake: Skipping the Mapper Layer
Decouple API changes from UI by introducing tested DTO-to-UI mapping boundaries.
Android ViewModel Recreation: Fixing the Rotation State Trap
Prevent rotation-related state loss by centralizing UI state in ViewModel and SavedStateHandle.
One Expensive Android Mistake: Initializing Ads Too Late
Prevent startup instability and ad revenue loss by moving SDK initialization to the right lifecycle boundary.
Kotlin Quiz Engines: Category-Safe Question Loading
A robust question-loading pattern that prevents category leakage and malformed quiz sets.
Android Day 26 ToDoList App
Android Day 26 ToDoList App package com.williamjiamin.supertodolistapp import android.widget.Toast import androidx.compose.foundation.background import androidx.compose.foundation.clickable import androidx.compose.foundation.layout.Column import androidx.compose.foundation.layout.fillMaxSize import androidx.compose.foundation.layout.fillMaxWidth import androidx.compose.foundation.layout.padding import androidx.compose.foundation.lazy.LazyColumn import…
Android Day 25 How to pass data from one screen to another screen?
Android Day 25 How to pass data from one screen to another screen? We need to modify alot of thing, just be patient: package…
Android Day 24 Multi-Screen Navigation
Android Day 24 Multi-Screen Navigation In order to use navigation, we need to import some dependency: dependencies { val nav_version = "2.7.7" // Java…
Android Day 23 MVVM model Intro
Android Day 23 MVVM model Intro MVVM(Model-View-ViewModel) 1.Model: Data and Logic of the App. 2.ViewModel:Handle the logic of Updating the Data.Handle the exposure of…
Android Day 21 Let’s show our items in the List
Android Day 21 Let's show our items in the List I use an empty lambda expression and a new composible for this, don't worry,…