`react-native run-ios`がエラーを返す:iPhone Xシミュレーターが見つかりませんでした
私は実行するたびにreact-native run-ios、私が取得します Could not find iPhone X simulator Error: Could not find iPhone X simulator at resolve (calendarPractice/node_modules/react-native/local-cli/runIOS/runIOS.js:149:13) at new Promise (<anonymous>) at runOnSimulator (calendarPractice/node_modules/react-native/local-cli/runIOS/runIOS.js:134:10) at Object.runIOS [as func] (calendarPractice/node_modules/react-native/local-cli/runIOS/runIOS.js:106:12) at Promise.resolve.then (calendarPractice/node_modules/react-native/local-cli/cliEntry.js:117:22) ただし、Xcodeで実行すると、正常に動作します { "devicetypes" : [ { "name" : "iPhone 4s", "bundlePath" : "\/Applications\/Xcode.app\/Contents\/Developer\/Platforms\/iPhoneOS.platform\/Developer\/Library\/CoreSimulator\/Profiles\/DeviceTypes\/iPhone 4s.simdevicetype", "identifier" : "com.apple.CoreSimulator.SimDeviceType.iPhone-4s" …