React-Native Android真机测试 -unable to load script from assets 'index.android bundle'...
2017-08-28 14:35
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在Android 华为手机上运行React_Native工程时出现了如下错误,做以记录:
报错:unable to load script from assets ‘index.android bundle’ ,make sure your bundle is packaged correctly or youu’re runing a packager server解决报错的方法:
第一步:在Android/app/src/main目录下创建一个空的assets文件夹,
第二步:进入项目根目录执行下面代码:
react-native bundle --platform android --dev false --entry-file index.android.js --bundle-output android/app/src/main/assets/index.android.bundle --assets-dest android/app/src/main/res/
运行完毕后assets文件夹下会多出index.android.bundle和index.android.bundle.meta两个文件
第三步:重新运行程序完美解决。
总结:
index.android.bundle是用来调用原生控件的js脚本,每次当改变了 index.android.js,都需要使用上面的代码片段,来及时的更新index.android.bundle,然后打包才可以把新的index.android.js应用上,所以当没有index.android.bundle文件时,React-Native 项目是无法运行的。
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