react / react/react-native

Performance: Blank app has frame drop on Android

Ouverte
#52,046 14 commentaires 1 réaction 0 personnes assignées Voir sur GitHub

Personne n'a encore pris cette issue.

Needs: Attention Needs: Repro Platform: Android Type: Unsupported Version
Langage dominant
C++
Étoiles
127k
Forks
25.3k
Merge moyen
1 j 23 h
PR mergées (30 j)
4

Description

Description

https://github.com/user-attachments/assets/f6b9aae3-5405-43cd-937a-193e022426e2

Steps to reproduce

🐞 Bug Report: Empty Project Drops Below 60 FPS on Interaction

📝 Description

Even with a completely empty React Native project, performance drops significantly when interacting with the screen (e.g., touching anywhere). The frame rate quickly falls below 60 FPS, even though there’s no content or rendering complexity.

📱 Reproduction Steps
1. Create a new React Native project (e.g., using npx react-native init TestApp)
2. Use the following code in App.js:

import React from 'react';
import { View } from 'react-native';

export default function App() {
  return (
    <View style={{ flex: 1 , alignItems:'center', justifyContent:'center', backgroundColor:'pink'}} />
  );
}
3.	Run the app on a physical device
4.	Touch anywhere on the screen

🧪 Expected Behavior

Frame rate should remain at 60 FPS since there’s no content or computation in the app.

❗ Actual Behavior

Frame rate drops immediately after interaction. It feels sluggish even though the app is empty.

https://github.com/user-attachments/assets/f4b65f3f-7475-45d5-a627-dc1041e7d1e4

React Native Version

0.77.2

Affected Platforms

Runtime - Android

Output of npx @react-native-community/cli info
info Fetching system and libraries information...
System:
  OS: macOS 15.2
  CPU: (8) arm64 Apple M1 Pro
  Memory: 647.45 MB / 32.00 GB
  Shell:
    version: "5.9"
    path: /bin/zsh
Binaries:
  Node:
    version: 20.18.1
    path: ~/.nvm/versions/node/v20.18.1/bin/node
  Yarn:
    version: 1.22.22
    path: ~/.nvm/versions/node/v20.18.1/bin/yarn
  npm:
    version: 10.8.2
    path: ~/.nvm/versions/node/v20.18.1/bin/npm
  Watchman:
    version: 2025.04.28.00
    path: /opt/homebrew/bin/watchman
Managers:
  CocoaPods:
    version: 1.16.2
    path: /Users/brian/.rbenv/shims/pod
SDKs:
  iOS SDK:
    Platforms:
      - DriverKit 24.2
      - iOS 18.2
      - macOS 15.2
      - tvOS 18.2
      - visionOS 2.2
      - watchOS 11.2
  Android SDK: Not Found
IDEs:
  Android Studio: 2022.1 AI-221.6008.13.2211.9619390
  Xcode:
    version: 16.2/16C5032a
    path: /usr/bin/xcodebuild
Languages:
  Java:
    version: 24.0.1
    path: /usr/bin/javac
  Ruby:
    version: 2.7.6
    path: /Users/brian/.rbenv/shims/ruby
npmPackages:
  "@react-native-community/cli":
    installed: 16.0.2
    wanted: 16.0.2
  react:
    installed: 18.3.1
    wanted: 18.3.1
  react-native:
    installed: 0.77.2
    wanted: 0.77.2
  react-native-macos: Not Found
npmGlobalPackages:
  "*react-native*": Not Found
Android:
  hermesEnabled: true
  newArchEnabled: true
iOS:
  hermesEnabled: true
  newArchEnabled: true

info React Native v0.80.0 is now available (your project is running on v0.77.2).
info Changelog: https://github.com/facebook/react-native/releases/tag/v0.80.0
info Diff: https://react-native-community.github.io/upgrade-helper/?from=0.77.2&to=0.80.0
info For more info, check out "https://reactnative.dev/docs/upgrading?os=macos".
Stacktrace or Logs
info Fetching system and libraries information...
System:
  OS: macOS 15.2
  CPU: (8) arm64 Apple M1 Pro
  Memory: 647.45 MB / 32.00 GB
  Shell:
    version: "5.9"
    path: /bin/zsh
Binaries:
  Node:
    version: 20.18.1
    path: ~/.nvm/versions/node/v20.18.1/bin/node
  Yarn:
    version: 1.22.22
    path: ~/.nvm/versions/node/v20.18.1/bin/yarn
  npm:
    version: 10.8.2
    path: ~/.nvm/versions/node/v20.18.1/bin/npm
  Watchman:
    version: 2025.04.28.00
    path: /opt/homebrew/bin/watchman
Managers:
  CocoaPods:
    version: 1.16.2
    path: /Users/brian/.rbenv/shims/pod
SDKs:
  iOS SDK:
    Platforms:
      - DriverKit 24.2
      - iOS 18.2
      - macOS 15.2
      - tvOS 18.2
      - visionOS 2.2
      - watchOS 11.2
  Android SDK: Not Found
IDEs:
  Android Studio: 2022.1 AI-221.6008.13.2211.9619390
  Xcode:
    version: 16.2/16C5032a
    path: /usr/bin/xcodebuild
Languages:
  Java:
    version: 24.0.1
    path: /usr/bin/javac
  Ruby:
    version: 2.7.6
    path: /Users/brian/.rbenv/shims/ruby
npmPackages:
  "@react-native-community/cli":
    installed: 16.0.2
    wanted: 16.0.2
  react:
    installed: 18.3.1
    wanted: 18.3.1
  react-native:
    installed: 0.77.2
    wanted: 0.77.2
  react-native-macos: Not Found
npmGlobalPackages:
  "*react-native*": Not Found
Android:
  hermesEnabled: true
  newArchEnabled: true
iOS:
  hermesEnabled: true
  newArchEnabled: true

info React Native v0.80.0 is now available (your project is running on v0.77.2).
info Changelog: https://github.com/facebook/react-native/releases/tag/v0.80.0
info Diff: https://react-native-community.github.io/upgrade-helper/?from=0.77.2&to=0.80.0
info For more info, check out "https://reactnative.dev/docs/upgrading?os=macos".
MANDATORY Reproducer

.

Screenshots and Videos

No response

Guide de contribution

Ouvrir le guide de contribution

Par où commencer

  1. Lisez l'issue en entier, puis le guide de contribution du projet.
  2. Signalez en commentaire que vous la prenez — cela évite que deux personnes fassent le même travail.
  3. Forkez le dépôt et travaillez sur une branche.
  4. Ouvrez une pull request qui référence le numéro de l'issue.

Piste de recherche

Commencez par reproduire l’application vide React Native 0.77.2 sur un appareil Android physique à l’aide de l’exemple App.js, avec Hermes et la nouvelle architecture activés. Comparez les performances d’interaction avec les vidéos et les détails d’environnement fournis ; le travail est considéré comme terminé lorsqu’une cause reproductible a été identifiée et que 60 FPS stables ont été rétablis pendant l’interaction tactile.

Rédigé par le modèle d'indexation à partir du texte de l'issue.

Évaluation

Stack technique
android, javascript, react-native
Domaine
mobile, performance
Type d'issue
Bug
Difficulté
4/5
Temps estimé
3-5 jours
Activité
Calme
Clarté
À clarifier
Accessibilité débutants
42/100

Recevez les nouvelles issues par e-mail

Un résumé court des issues GitHub adaptées aux débutants.