由于以下错误,我挣扎了几天:
**Invariant Violation: "trackerApp" has not been registered. This can happen if:
* Metro (the local dev server) is run from the wrong folder. Check if Metro is running, stop it and restart it in the current project.
* A module failed to load due to an error and `AppRegistry.registerComponent` wasn't called.**
我检查了一切,但没有任何效果。
app.json 中的代码
{
"name": "trackerApp",
"displayName": "trackerApp"
}
index.js 中的代码
import {AppRegistry} from 'react-native';
import App from './App';
// import {name as appName} from './app.json';
import { name as appName } from "./app.json";
// import App from "./src/App.tsx";
// Register the service
AppRegistry.registerComponent(appName, () => App);
答案 0 :(得分:0)
尝试清理缓存
cd android
然后
./gradlew clean
重新构建
如果不起作用,请删除 node_modules 文件夹并使用 yarn install
或 npm install
重新安装软件包。
如果仍然不起作用,请检查这些文件是否都有“trackerApp”
1 - root/package.json (通常在第 2 行)
{"name": "trackerApp"}
2 - root/android/settings.gradle
rootProject.name = 'trackerApp'
3 - root/android/app/src/debug/java/com/trackerApp/ReactNativeFlipper.java (在注释下方的第一行代码中)>
package com.trackerApp;
4 - root/android/app/src/main/java/com/trackerApp/ReactNativeFlipper.java
<块引用>内部函数 initializeFlipper 检查是否是 com.trackerApp.ReactNativeFlipper
Class<?> aClass = Class.forName("com.trackerApp.ReactNativeFlipper");