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refactor(example): optimize widget rendering and manage state efficiently#18

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dhruvanbhalara merged 4 commits into
mainfrom
refactor/example-app-audit
Mar 7, 2026
Merged

refactor(example): optimize widget rendering and manage state efficiently#18
dhruvanbhalara merged 4 commits into
mainfrom
refactor/example-app-audit

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@dhruvanbhalara

@dhruvanbhalara dhruvanbhalara commented Mar 7, 2026

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Overview

This PR introduces critical structural refactoring and performance optimizations to the example application's UI, addressing hot reload state issues and reducing expensive widget rebuilds.

Commits & Changes

  • Dynamic UI Mapping & Slider Bounds Fix (e3a7eab):
    • Changed availableAppStrategies to a getter so that Flutter's Hot Reload evaluates new minimum length parameters correctly.
    • Set the Random Strategy base character limit to 8 to allow users to generate passwords below length 16 when manual policy rules are disabled.
  • Refactoring Private Widget Builders (d48481f, 38aec59):
    • Extracted _buildFilterChip into a new StrategyFilterChip StatelessWidget.
    • Extracted _buildRequirementTile into a new PolicyRequirementTile StatelessWidget.
    • This improves widget tree diffing performance and aligns with Flutter best practices.
  • Isolating ListenableBuilders (Perf Fix) (8a1bc07):
    • Removed the monolithic ListenableBuilder from main.dart that caused the whole page to drop frames on layout recalculations.
    • Pushed localized ListenableBuilders deep into individual sub-widgets (PasswordDisplay, PolicyControlsCard, etc.).
    • Isolated expensive BackdropFilter UI blur widgets to prevent them from recalculating across every frame of a slider drag.
    • Introduced a MockGeneratorState for robust local unit testing of PasswordDisplay.

…rash

- Decouple state logic from direct strategy instances
- Prevent re-entrant state updates in the main layout
- Isolate strategy specific metadata to ensure slider bounds respect physical limits
- De-duplicate and string buffer loop allocations
@dhruvanbhalara dhruvanbhalara self-assigned this Mar 7, 2026
@dhruvanbhalara dhruvanbhalara force-pushed the refactor/example-app-audit branch from 8e2e142 to 8a1bc07 Compare March 7, 2026 07:55
@dhruvanbhalara dhruvanbhalara changed the title refactor/example app audit refactor(example): structural and performance optimizations for UI Mar 7, 2026
@dhruvanbhalara dhruvanbhalara changed the title refactor(example): structural and performance optimizations for UI refactor(example): optimize widget rendering and manage state efficiently Mar 7, 2026
@dhruvanbhalara dhruvanbhalara merged commit 76bf856 into main Mar 7, 2026
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@dhruvanbhalara dhruvanbhalara deleted the refactor/example-app-audit branch March 7, 2026 07:58
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