Showing posts with the label Mobile Development

OAuth 2.0 Security: Why PKCE is Mandatory and How to Implement It

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If you are building a mobile app or a Single Page Application (SPA) using standard OAuth 2.0, you are likely vulnerable to an Authorization Code Interception Attack . A malicious app installed on a …
OAuth 2.0 Security: Why PKCE is Mandatory and How to Implement It

Flutter Animation Jank: Using RepaintBoundary when Widget Rebuilds aren't the Problem

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It started with a simple ticket: "The stock ticker animation stutters on the Samsung Galaxy A12." On the iPhone 14 Pro simulator, everything was buttery smooth at 120Hz. But as soon as we…
Flutter Animation Jank: Using RepaintBoundary when Widget Rebuilds aren't the Problem

Flutter 임펠러(Impeller) 딥다이브: 스키아(Skia)의 한계와 렌더링 혁명

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수년간 프로덕션 레벨에서 Flutter 앱을 배포하며 가장 뼈아팠던 순간은 복잡한 애니메이션이 처음 실행될 때 발생하는 미세한 끊김, 바로 'Jank' 현상이었다. 우리는 이를 해결하기 위해 '셰이더 웜업(Shader Warm-up)'이라는 꼼수를 써야 했지만, 이는 앱 초기 구동 속도를 희생시키는 미봉책일 뿐이었다. 이제…
Flutter 임펠러(Impeller) 딥다이브: 스키아(Skia)의 한계와 렌더링 혁명

FlutterのJank（カクつき）を根絶せよ：次世代レンダラーImpeller完全移行ガイド

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開発者として、これほど悔しい瞬間はありません。「完璧なアニメーションを実装した」と思って実機でテストした瞬間、最初の一回だけ発生する "ガクッ" というフレーム落ち。いわゆる「Early Onset Jank」です。私はこの現象のデバッグに数え切れない時間を費やし、シェーダーのウォームアップ（Shader Warmup）という対症療法に頼ってきました。 しかし、その戦…
FlutterのJank（カクつき）を根絶せよ：次世代レンダラーImpeller完全移行ガイド
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