I was troubled by the following two errors.Npx react-native run-ios Build error resolution I spent an hour just downloading, and I left the installation alone and went to bed, but I think it took quite a while.The book said to download XCode from the AppStore, but it was impossible.While wondering if ReactNative is not in fashion, I chose this one because I had development experience with React in the past, but I was worried about building a development environment, so I will leave a note for the time being only when I was worried. H file not found the latest version do not have this file, download the Libc - 825.40 source Libc - 825.40.1 / include/CrashReporterClient. This persists when cancelling and restarting the download, and even across a reboot. I've been trying to install Xcode 12.5 from the App Store, although each time, it stops downloading at exactly 388 MB.

Isn't that the best bookstore in Japan? I bought it at Oazo's Maruzen, but there were only three books of ReactNative. H file not found the latest version do not have this file, download the Libc - 825.40.1 source Libc - 825.40.1 / pthreads/pthreadmachdep. Edit 2: It seems to be downloading very slowly perhaps Apple's download servers are overloaded from people updating to the latest iOS release.I touch Kintone a lot at work, so I was vaguely thinking that I wanted to do something else, but I found a book to make an app with ReactNative, so I bought it on impulse.ReactNative development environment construction memo circumstances

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