React Native

From https://reactnative.dev/docs/environment-setup System requirement MacBook pro-2014(4 core, 16GB memory) macOS Catalina(10.15.7) Xcode v11.5 node v12.20.1 npm v6.14.10 Environment config follow by https://reactnative.dev/docs/environment-setup Create new project npx react-native init TestHello cd TestHello yarn ios Solve issue: ios/Pods/Headers/Private /Flipper-Folly/folly/portability/Time.h:51:17: Typedef redefinition with di fferent types ('uint8_t' (aka 'unsigned char')...