'chrome.app.runtime' and ' chrome.app.window' returns undefined in Chrome 23.0.1271.64 m

[簡煒航]

I developed an app using `chrome.app.window.create` to create an app window. It used to work, but now it not works suddenly (I didn't change any code.)

I opened background page console in `chrome://extensions` and run `chrome.app.window`:

>chrome.app.window

undefined

>chrome.app.isInstalled

false

>chrome.app.install()

"CRX-less web apps aren't enabled."

>chrome.app.runningState()

"cannot_run"

How to make my app work a again? Does it has something to do with permission setting?

Any idea?

Thanks for your reading. :)

Tony Jian

[Renato Mangini]

What version of Chrome? Can you send your manifest.json?

Thanks,

Renato Mangini | Chrome Developer Advocate | man...@google.com | +55 11 3797-1155

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[簡煒航]

I have sent my manifest file to you. :)

I downloaded some sample chrome app codes, and it runs well, and the below is my part of my manifest file.

"app": {

    "launch": {

      "local_path": "app/index.html"

    }

  },

"background": {

    "scripts": ["background/background.js"],

    "persistent": false

  }

I guess Chrome determine my code as an extension instead of an app, that's why I can't access the api `chrome.app.window`. I have to add app background page in my manifest file to get access of `chrome.app.window` api.

But what if I want to launch my app window due to some user's event?

Take my TJDict for example, it's an English-Chinese dictionary extension, it contains non persistent background page, listening the event of user's double click to an English word, and then calls `chrome.app.window.create` to show the dictionary.

My extension has been installed about 1500 times, it used to work, but now useless. Is there any way to get it work again? I really don't want to make my users disappointed. OQ

How about something like this in manifest.json?

    "permissions": ["app.window"]

[Ben Wells]

Your manifest looks like that of an old-style packaged app, which would explain why you don't have chrome.app available. The new style packaged apps do not have a launch setting under the 'app' key, but they do have a background setting.

Look here for more detail: http://developer.chrome.com/apps/app_lifecycle.html

To view this discussion on the web visit https://groups.google.com/a/chromium.org/d/msg/chromium-apps/-/R-xDLVp-7qgJ.

[Renato Mangini]

Your feature of "double-click on an english word" seems more appropriate for an extension, and not a packaged app. Conceptually, an extension extends the browser with specific features. A packaged app, on the other hand, is a self-contained app and should not (and actually does not) have direct access to pages other than its own, as an extension does.

Renato Mangini | Chrome Developer Advocate | man...@google.com | +55 11 3797-1155