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Android 内置的Expo应用程序在启动时崩溃:没有';“找不到类”;host.exp.exponent.taskManager.expoHeadEssappLoader“;_Android_Reactjs_Expo_Native - Fatal编程技术网

Android 内置的Expo应用程序在启动时崩溃:没有';“找不到类”;host.exp.exponent.taskManager.expoHeadEssappLoader“;

Android 内置的Expo应用程序在启动时崩溃:没有';“找不到类”;host.exp.exponent.taskManager.expoHeadEssappLoader“;,android,reactjs,expo,native,Android,Reactjs,Expo,Native,当我试图通过Expo运行用React Native构建的应用程序时,它会在启动屏幕上崩溃。如果我通过真实设备上的expo应用程序或通过模拟器启动它,它运行得很好。Logcat给了我一个错误: W/System.err: Caused by: java.lang.ClassNotFoundException: Didn't find class "host.exp.exponent.taskManager.ExpoHeadlessAppLoader" 我找不到有关此错误消息

当我试图通过Expo运行用React Native构建的应用程序时,它会在启动屏幕上崩溃。如果我通过真实设备上的expo应用程序或通过模拟器启动它,它运行得很好。Logcat给了我一个错误:

 W/System.err: Caused by: java.lang.ClassNotFoundException: Didn't find class "host.exp.exponent.taskManager.ExpoHeadlessAppLoader"
我找不到有关此错误消息的任何信息,但我似乎已经了解到这些类型的问题与package.json文件有关。我的是这样的:

    {
  "main": "node_modules/expo/AppEntry.js",
  "scripts": {
    "start": "expo start",
    "android": "expo start --android",
    "ios": "expo start --ios",
    "web": "expo start --web",
    "eject": "expo eject"
  },
  "dependencies": {
    "expo": "~38.0.8",
    "expo-constants": "~9.1.1",
    "expo-location": "~8.2.1",
    "expo-status-bar": "^1.0.2",
    "geolib": "^3.3.1",
    "react": "~16.11.0",
    "react-dom": "~16.11.0",
    "react-native": "https://github.com/expo/react-native/archive/sdk-38.0.2.tar.gz",
    "react-native-dialog-input": "^1.0.8",
    "react-native-maps": "0.27.1",
    "react-native-svg": "12.1.0",
    "react-native-web": "~0.11.7",
    "react-native-svg-transformer": "^0.14.3",
    "@react-native-community/slider": "^3.0.3"
  },
  "devDependencies": {
    "@babel/core": "^7.8.6",
    "babel-preset-expo": "~8.1.0"
  },
  "expo": {
    "android": {
      "package": "com.atlemlund.naturetracker",
      "config": {
        "googleMaps": {
          "apiKey": "MY API KEY"
        }
      }
    }
  },
  "private": true
}

解决了!结果表明,错误消息与崩溃无关。我把API密钥放错地方了。将它从package.json移动到app.json解决了我的问题。

解决了!结果表明,错误消息与崩溃无关。我把API密钥放错地方了。将它从package.json移到app.json解决了我的问题。

我也有这个错误,对我来说这不是一个放错了的api键我也有这个错误,对我来说这不是一个放错了的api键你说的api放错了是什么意思,你能更精确一点吗