Usage of Chrome extensions in chrome apps

Question

Will the chrome extensions work in chrome apps ? or is there any configurations needed to be added in the manifest file ?

Answer 1

No, a Chrome extension cannot affect a Chrome App - neither the app's own content nor <webview> -embedded content.

For instance, an adblock-type extension for a Chrome App is impossible unless the app itself implements it.

So-called Hosted Apps are an exception to this. They should be affected as normal.

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This does not mean that extensions can't interact with apps at all - cross-extension Messaging is still possible.