The following build commands failed:
PhaseScriptExecution Install\ Third\ Party /Users/*****/sungithub/ios/build/Build/Intermediates/React.build/Debug-iphonesimulator/double-conversion.build/Script-190EE32F1E6A43DE00A8543A.sh
(1 failure)
Installing build/Build/Products/Debug-iphonesimulator/sungithub.app
An error was encountered processing the command (domain=NSPOSIXErrorDomain, code=2):
Failed to install the requested application
An application bundle was not found at the provided path.
Provide a valid path to the desired application bundle.
Print: Entry, ":CFBundleIdentifier", Does Not Exist
Command failed: /usr/libexec/PlistBuddy -c Print:CFBundleIdentifier build/Build/Products/Debug-iphonesimulator/sungithub.app/Info.plist
Print: Entry, ":CFBundleIdentifier", Does Not Exist
如果是因为下载了最新的react-native-cli，然后init的项目
在package.json里面，看到自己的react-native的版本是0.45.*以后的，出现这个错误
这是因为是0.45官方有重大改动，无法使用react-native init项目来启动，
直接react-native init mydemo --version 0.44.3指定之前的版本就可以了
当然相信后面会修复，也就没有这个问题了