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react-native linkしてPackage name not found in Project/android/app/src/debug/AndroidManifest.xml

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エラー内容

$ react-native link xxxx
Scanning folders for symlinks in /project/path/node_modules (20ms)
rnpm-install ERR! ERRPACKAGEJSON No package found. Are you sure this is a React Native project?

Package name not found in /project/path/android/app/src/debug/AndroidManifest.xml
  • ネイティブコードに依存しているReactNativeのライブラリは react-native link xxxx (xxxxはライブラリ名)をしてandroid、iosのプロジェクトそれぞれに依存性を足すことで動作する。 自分が関わるプロジェクトで react-native link xxxx 実行時にこのエラーが出たのでメモ
  • 発生条件は恐らく app/src/debug/AndroidManifest.xml<manifest package="com.example.packagename"> の属性の記述がないとエラーになるので、 react-native link コマンドを実行する時だけ package= の記述を足せば通る
$ vim /project/path/android/app/src/debug/AndroidManifest.xml 
-   <manifest ...>
+   <manifest ... package="com.example.packagename">

ReactNativeは日本語の情報少ないですよね…こういうトラブルシューティングみんないっぱい書いて欲しい

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