执行此命令时:
react-native run-ios
我的应用程序在iPhone6模拟器设备中默认运行:
Found Xcode project RN.xcodeproj
Launching iPhone 6 (9.2)...
如何在默认情况下让应用程序在不同的模拟器设备(如iPhone5s)中运行?
当前回答
使用——simulator标志指定一个模拟器。
以下是iOS 14.0之后可用的设备:
npx react-native run-ios --simulator="iPhone 8"
npx react-native run-ios --simulator="iPhone 8 Plus"
npx react-native run-ios --simulator="iPhone 11"
npx react-native run-ios --simulator="iPhone 11 Pro"
npx react-native run-ios --simulator="iPhone 11 Pro Max"
npx react-native run-ios --simulator="iPhone SE (2nd generation)"
npx react-native run-ios --simulator="iPhone 12 mini"
npx react-native run-ios --simulator="iPhone 12"
npx react-native run-ios --simulator="iPhone 12 Pro"
npx react-native run-ios --simulator="iPhone 12 Pro Max"
npx react-native run-ios --simulator="iPhone 13 Pro"
npx react-native run-ios --simulator="iPhone 13 Pro Max"
npx react-native run-ios --simulator="iPhone 13 mini"
npx react-native run-ios --simulator="iPhone 13"
npx react-native run-ios --simulator="iPod touch (7th generation)"
npx react-native run-ios --simulator="iPad Pro (9.7-inch)"
npx react-native run-ios --simulator="iPad (9th generation)"
npx react-native run-ios --simulator="iPad Air (4th generation)"
npx react-native run-ios --simulator="iPad Pro (11-inch) (3rd generation)"
npx react-native run-ios --simulator="iPad Pro (12.9-inch) (5th generation)"
npx react-native run-ios --simulator="iPad mini (6th generation)"
列出所有可用的iOS设备:
xcrun simctl list devices
目前没有办法设置默认值。
React Native Docs:在模拟器上运行
其他回答
使用——simulator标志指定一个模拟器。
以下是iOS 14.0之后可用的设备:
npx react-native run-ios --simulator="iPhone 8"
npx react-native run-ios --simulator="iPhone 8 Plus"
npx react-native run-ios --simulator="iPhone 11"
npx react-native run-ios --simulator="iPhone 11 Pro"
npx react-native run-ios --simulator="iPhone 11 Pro Max"
npx react-native run-ios --simulator="iPhone SE (2nd generation)"
npx react-native run-ios --simulator="iPhone 12 mini"
npx react-native run-ios --simulator="iPhone 12"
npx react-native run-ios --simulator="iPhone 12 Pro"
npx react-native run-ios --simulator="iPhone 12 Pro Max"
npx react-native run-ios --simulator="iPhone 13 Pro"
npx react-native run-ios --simulator="iPhone 13 Pro Max"
npx react-native run-ios --simulator="iPhone 13 mini"
npx react-native run-ios --simulator="iPhone 13"
npx react-native run-ios --simulator="iPod touch (7th generation)"
npx react-native run-ios --simulator="iPad Pro (9.7-inch)"
npx react-native run-ios --simulator="iPad (9th generation)"
npx react-native run-ios --simulator="iPad Air (4th generation)"
npx react-native run-ios --simulator="iPad Pro (11-inch) (3rd generation)"
npx react-native run-ios --simulator="iPad Pro (12.9-inch) (5th generation)"
npx react-native run-ios --simulator="iPad mini (6th generation)"
列出所有可用的iOS设备:
xcrun simctl list devices
目前没有办法设置默认值。
React Native Docs:在模拟器上运行
案例1: 它发生在登录屏幕上，我在TextInput上自动聚焦。注释掉了，一切恢复正常。
案例2: 与世博会!
更新XCode后，我一直在使用iPhone 12 Max模拟器，但我更喜欢iPhone 8。下面是我采取的步骤:
当模拟器聚焦时，转到文件->打开模拟器，并选择一个您希望作为默认的模拟器。 关闭旧的模拟器，关闭localhost:19002并使用ctr + C停止终端中的服务器。 运行npm start，然后按i。
现在它在你打开的模拟器上运行。
编码快乐!
使用此命令获取设备列表
xcrun simctl list devices
控制台
== Devices ==
-- iOS 13.5 --
iPhone 6s (9981E5A5-48A8-4B48-B203-1C6E73243E83) (Shutdown)
iPhone 8 (FC540A6C-F374-4113-9E71-1291790C8C4C) (Shutting Down)
iPhone 8 Plus (CAC37462-D873-4EBB-9D71-7C6D0C915C12) (Shutdown)
iPhone 11 (347EFE28-9B41-4C1A-A4C3-D99B49300D8B) (Shutting Down)
iPhone 11 Pro (5AE964DC-201C-48C9-BFB5-4506E3A0018F) (Shutdown)
iPhone 11 Pro Max (48EE985A-39A6-426C-88A4-AA1E4AFA0133) (Shutdown)
iPhone SE (2nd generation) (48B78183-AFD7-4832-A80E-AF70844222BA) (Shutdown)
iPad Pro (9.7-inch) (2DEF27C4-6A18-4477-AC7F-FB31CCCB3960) (Shutdown)
iPad (7th generation) (36A4AF6B-1232-4BCB-B74F-226E025225E4) (Shutdown)
iPad Pro (11-inch) (2nd generation) (79391BD7-0E55-44C8-B1F9-AF92A1D57274) (Shutdown)
iPad Pro (12.9-inch) (4th generation) (ED90A31F-6B20-4A6B-9EE9-CF22C01E8793) (Shutdown)
iPad Air (3rd generation) (41AD1CF7-CB0D-4F18-AB1E-6F8B6261AD33) (Shutdown)
-- tvOS 13.4 --
Apple TV 4K (51925935-97F4-4242-902F-041F34A66B82) (Shutdown)
-- watchOS 6.2 --
Apple Watch Series 5 - 40mm (7C50F2E9-A52B-4E0D-8B81-A811FE995502) (Shutdown)
Apple Watch Series 5 - 44mm (F7D8C256-DC9F-4FDC-8E65-63275C222B87) (Shutdown)
这里以不带ID的选择模拟器字符串为例。
iPad Pro(12.9英寸)(第四代)
最后的命令
iPhone
•iPhone 6s
react-native run-ios --simulator="iPhone 6s"
• 苹果手机 8
react-native run-ios --simulator="iPhone 8"
•iPhone 8 Plus
react-native run-ios --simulator="iPhone 8 Plus"
• 苹果手机 11
react-native run-ios --simulator="iPhone 11"
• 苹果手机 11 专业版
react-native run-ios --simulator="iPhone 11 Pro"
• iPhone 11 Pro Max
react-native run-ios --simulator="iPhone 11 Pro Max"
•iPhone SE(第二代)
react-native run-ios --simulator="iPhone SE (2nd generation)"
iPad
• iPad Pro（9.7 英寸）
react-native run-ios --simulator="iPad Pro (9.7-inch)"
•iPad(第7代)
react-native run-ios --simulator="iPad (7th generation)"
•iPad Pro(11英寸)(第二代)
react-native run-ios --simulator="iPad Pro (11-inch) (2nd generation)"
•第四代iPad Pro(12.9英寸)
react-native run-ios --simulator="iPad Pro (12.9-inch) (4th generation)"
•iPad Air(第三代)
react-native run-ios --simulator="iPad Air (3rd generation)"
这里是改变iOS模拟器的新路径，你只需要改变
default: 'iPhone 6' or something else
路径:
<project_root>/node_modules/@react-native-community/cli/build/commands/runIOS/runIOS.js
实现这一目标有多种方法:
通过使用——simulator标志 通过使用——udid标志
首先，您需要列出所有可用的设备。列出所有运行的设备
xcrun simctl list devices
这将给出如下输出:
以下是iOS 13.0之后可用的设备:
== Devices ==
-- iOS 13.6 --
iPhone 8 (5C7EF61D-6080-4065-9C6C-B213634408F2) (Shutdown)
iPhone 8 Plus (5A694E28-EF4D-4CDD-85DD-640764CAA25B) (Shutdown)
iPhone 11 (D6820D3A-875F-4CE0-B907-DAA060F60440) (Shutdown)
iPhone 11 Pro (B452E7A1-F21C-430E-98F0-B02F0C1065E1) (Shutdown)
iPhone 11 Pro Max (94973B5E-D986-44B1-8A80-116D1C54665B) (Shutdown)
iPhone SE (2nd generation) (90953319-BF9A-4C6E-8AB1-594394AD26CE) (Booted)
iPad Pro (9.7-inch) (9247BC07-00DB-4673-A353-46184F0B244E) (Shutdown)
iPad (7th generation) (3D5B855D-9093-453B-81EB-B45B7DBF0ADF) (Shutdown)
iPad Pro (11-inch) (2nd generation) (B3AA4C36-BFB9-4ED8-BF5A-E37CA38394F8) (Shutdown)
iPad Pro (12.9-inch) (4th generation) (DBC7B524-9C75-4C61-A568-B94DA0A9BCC4) (Shutdown)
iPad Air (3rd generation) (03E3FE18-AB46-481E-80A0-D37383ADCC2C) (Shutdown)
-- tvOS 13.4 --
Apple TV (41579EEC-0E68-4D36-9F98-5822CD1A4104) (Shutdown)
Apple TV 4K (B168EF40-F2A4-4A91-B4B0-1F541201479B) (Shutdown)
Apple TV 4K (at 1080p) (D55F9086-A56E-4893-ACAD-579FB63C561E) (Shutdown)
-- watchOS 6.2 --
Apple Watch Series 4 - 40mm (D4BA8A57-F9C1-4F55-B3E0-6042BA7C4ED4) (Shutdown)
Apple Watch Series 4 - 44mm (65D5593D-29B9-42CD-9417-FFDBAE9AED87) (Shutdown)
Apple Watch Series 5 - 40mm (1B73F8CC-9ECB-4018-A212-EED508A68AE3) (Shutdown)
Apple Watch Series 5 - 44mm (5922489B-5CF9-42CD-ACB0-B11FAF88562F) (Shutdown)
然后，您可以从输出中选择名称或uuid，然后按照自己的意愿进行操作。
使用——模拟器运行:
npx react-native run-ios --simulator="iPhone SE"
使用——udid标志运行:
npx react-native run-ios --udid 90953319-BF9A-4C6E-8AB1-594394AD26CE
我希望这个答案对你有帮助。
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