不变违规：本机模块不能为null。 React Native Firebase应用

Question

我正在使用Firebase开发React Native应用程序。 当我运行应用程序时，构建成功进行，但是在模拟器上安装应用程序时会出现问题。我的应用中有以下节点模块，如下所示：

“依赖项”：{ “ @ fortawesome / fontawesome-svg-core”：“ ^ 1.2.27”， “ @ fortawesome / free-brands-svg-icons”：“ ^ 5.12.1”， “ @ fortawesome / free-regular-svg-icons”：“ ^ 5.12.1”， “ @ fortawesome / free-solid-svg-icons”：“ ^ 5.12.1”， “ @ fortawesome / react-native-fontawesome”：“ ^ 0.2.2”， “ @ react-native-community / google-signin”：“ ^ 4.0.3”， “ @ react-native-community / masked-view”：“ ^ 0.1.10”， “ @ react-native-community / toolbar-android”：“ 0.1.0-rc.2”， “ @ react-native-firebase / app”：“ ^ 7.0.1”， “ @ react-native-firebase / auth”：“ ^ 7.0.2”， “ axios”：“ ^ 0.19.2”， “ base-64”：“ ^ 0.1.0”， “ firebase”：“ ^ 7.8.2”， “ formik”：“ ^ 2.1.4”， “ native-base”：“ ^ 2.13.8”， “ qs”：“ ^ 6.9.3”， “ react”：“ 16.9.0”， “ react-native”：“ 0.61.5”， “ react-native-app-intro-slider”：“ 4.0.4”， “ react-native-awesome-alerts”：“ ^ 1.3.2”， “ react-native-elements”：“ ^ 1.2.7”， “ react-native-fbsdk”：“ ^ 1.1.2”， “ react-native-gesture-handler”：“ 1.7.0”， “ react-native-get-random-values”：“ ^ 1.3.1”， “ react-native-image-picker”：“ ^ 2.3.1”， “ react-native-ionicons”：“ 4.6.5”， “ react-native-linear-gradient”：“ ^ 2.5.6”， “ react-native-looped-carousel”：“ ^ 0.1.13”， “ react-native-media-controls”：“ ^ 2.0.1”， “ react-native-modal”：“ 11.5.6”， “ react-native-modal-loader”：“ ^ 1.3.0”， “ react-native-modalbox”：“ 2.0.0”， “ react-native-modals”：“ ^ 0.19.9”， “ react-native-orientation-locker”：“ ^ 1.1.8”， “ react-native-pixel-perfect”：“ ^ 1.0.2”， “ react-native-progress”：“ ^ 4.1.2”， “ react-native-reanimated”：“ ^ 1.7.0”， “ react-native-sensitive-ui”：“ ^ 2.1.1”， “ react-native-safe-area-context”：“ ^ 0.7.3”， “ react-native-screens”：“ ^ 2.0.0-beta.8”， “ react-native-slider”：“ ^ 0.11.0”， “ react-native-snap-carousel”：“ ^ 3.8.4”， “ react-native-sound”：“ ^ 0.11.0”， “ react-native-stars”：“ ^ 1.2.1”， “ react-native-svg”：“ ^ 11.0.1”， “ react-native-vector-icons”：“ ^ 6.6.0”， “ react-native-video”：“ ^ 4.4.5”， “ react-native-video-player”：“ ^ 0.10.0”， “ react-native-webview”：“ ^ 9.2.0”， “反应导航”：“ ^ 4.1.1”， “ react-navigation-drawer”：“ ^ 2.3.4”， “ react-navigation-stack”：“ ^ 2.1.1”， “ react-navigation-tabs”：“ ^ 2.7.0”， “ react-navigation-transitions”：“ ^ 1.0.12”， “ react-redux”：“ ^ 7.2.0”， “ redux”：“ ^ 4.0.5”， “ yup”：“ ^ 0.28.1” }

Answer 1

您是否尝试过先安装Pod？

首先进入ios目录

cd ios/ 

然后

pod install

然后再次尝试重建项目并在模拟器中启动它。