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run-ios on Xcode 27: DeviceHub opens no window when the simulator is shut down

Abierto
#2,866 1 comentario 0 reacciones 0 asignados Ver en GitHub

Los mantenedores suelen responder en 2 días

@rakodev ya está trabajando en esto.

Desde el 4/10/2026.

  • #2867 de @rakodev — abierto

Evaluación

Dificultad
3/5
Tiempo estimado
1-2 días
Aptitud para principiantes
25/100
Tipo de issue
Error
Claridad
Bien especificado
Estado de actividad
Estancado
Stack tecnológico
ios, react-native, typescript
Área
cli, mobile-dev

Línea de trabajo

Start with the runOnSimulator flow used by run-ios and reproduce the two open-and-boot command orders from the issue on a shut-down simulator. Compare the behavior with boot-first ordering; done means run-ios opens the target simulator window rather than leaving it headless. A linked pull request indicates that work is already underway.

Escrito por el modelo de indexación a partir del texto del issue.

Descripción

Environment

  • macOS 26.6.2 (25G83)
  • Xcode 27.0 (27A266a), iOS 27.0 simulator runtime (24A434)
  • @react-native-community/cli 20.2.0; runOnSimulator is unchanged on main (21.0.0-alpha.1)
  • react-native 0.87.1
  • Node 22.22.3

Description

When the target simulator is shut down, run-ios builds, installs and launches the app, but DeviceHub never shows the simulator's window. The simulator runs headless, and DeviceHub keeps showing whatever device window was already open, if any. When the simulator is already booted, its window opens as expected.

runOnSimulator opens devices://device/open?id=<udid> and then runs xcrun simctl boot. DeviceHub opens a window for a device that is already booted, and also for one that stays shut down, but not for a device that starts booting right after the deep link is opened. Booting first and opening the deep link afterwards shows the window.

Reproducible Demo

With a shut-down simulator that has no DeviceHub window open:

UDID=<shut-down simulator UDID>

# What run-ios does today: the simulator boots, no window opens
open "devices://device/open?id=$UDID"; xcrun simctl boot "$UDID"

xcrun simctl shutdown "$UDID"

# Boot first, then open: the window opens
xcrun simctl boot "$UDID"; open "devices://device/open?id=$UDID"

In any React Native app, npx react-native run-ios --udid <shut-down simulator UDID> launches the app on a headless simulator.

Lenguaje dominante
TypeScript
Estrellas
2.9k
Forks
948
Merge medio
10 d 19 h
PR fusionados (30 d)
1

Preparar el entorno

Primeros pasos

  1. Lee el issue completo y luego la guía de contribución del proyecto.
  2. Comenta en el issue que vas a ocuparte — evita que dos personas hagan lo mismo.
  3. Haz un fork del repositorio y trabaja en una rama.
  4. Abre un pull request que haga referencia al número del issue.

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