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chanzmao

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Sep 30

ViewModel Doesn’t Hold UiState. It Derives It.

A Declarative Approach to ViewModel State

ViewModel Doesn’t Hold UiState. It Derives It.

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Aug 10

Android Architecture Is Moving from Event-Driven UI to State-Driven UI

Google’s official Android guidance was updated on May 18, 2026 — and it now explicitly recommends turning ViewModel events into UI state

Android Architecture Is Moving from Event-Driven UI to State-Driven UI

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Jul 31

Android Architecture Is Quietly Moving Beyond ViewModel as a State Holder

Compose didn’t replace ViewModel. Navigation 3 didn’t replace it either. Together, they’re redefining where state belongs.

Android Architecture Is Quietly Moving Beyond ViewModel as a State Holder

chanzmao

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2d ago

The Offline-First Pattern with Room and Kotlin Flow

"No Internet Connection" error?

The Offline-First Pattern with Room and Kotlin Flow

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Nov 2

Automating Android Wireless Debugging with Shell Script

QR Code Pairing, mDNS Discovery, and ADB Automation

Automating Android Wireless Debugging with Shell Script

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ProAndroidDev

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chanzmao

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Oct 29

Under the Hood: How Room 3.0 and SQLDelight 2.x Detect Database Changes

Room and SQLDelight both let us observe database queries as Kotlin Flows. When the underlying data changes, the Flow emits an update…

Under the Hood: How Room 3.0 and SQLDelight 2.x Detect Database Changes

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ProAndroidDev

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Oct 29

Kotlin Flow Debugging: Trace combine and flatMapLatest with onEach

Inspect emissions, find unexpected recomputations, and debug Flow pipelines with minimal code.

Kotlin Flow Debugging: Trace combine and flatMapLatest with onEach

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ProAndroidDev

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Oct 15

The Power of stateIn in ViewModel

Building Declarative UI State with Kotlin Flow.

The Power of stateIn in ViewModel

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Oct 13

The Evolution of Flow Collection in Jetpack Compose

From basic state collection to lifecycle-aware UI updates

The Evolution of Flow Collection in Jetpack Compose

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Oct 8

10 Flow Operators for Building a Declarative UiState

If you update a MutableStateFlow by hand all over your ViewModel, it gets hard to answer a simple question: who changed this state, and…

10 Flow Operators for Building a Declarative UiState

chanzmao

chanzmao

Android developer sharing real-world engineering observations.Exploring Jetpack Compose, state, and the evolution of Android architecture. android.benigumo.com

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