React Native 报错记录

1. Module RCTEventEmitter is not a registered callable module (calling receiveTouches)
   使用es5方式创建组件，最新版本已经废弃会报错

2. Module AppRegistry is not a registered callable module (calling runApplication)
   或
   Cannot read property 'Direction' of undefined
   安装react-navigation时，在React Native 0.60+版本，要在ios上完成链接，请确保已安装cocoapods，然后运行：

cd ios
pod install
cd ..

3. Unrecognized font family 'Ionicons'

cd ios
pod 'RNVectorIcons', :path => '../node_modules/react-native-vector-icons'
pod update
cd ..