Here is my manifest.json file
{
"name":"Name",
"version": "1.0",
"description":"This is the description",
"manifest-version": 2
}
Chrome says
manifest file is missing or unreadable
The file is indeed a .json file, rather than a .txt file. What is wrong with my manifest.json file?
manifest file is missing or unreadable
You have manifest-json instead of manifest_json in the code snippet.
If you follow this tutorial then it lists the simple manifest.json for chrome extension. In below snippet replace name, description, icon, url with your own and give it a try.
{
"name": "Great App Name",
"description": "Pithy description (132 characters or less, no HTML)",
"version": "0.0.0.1",
"manifest_version": 2,
"icons": {
"128": "icon_128.png"
},
"app": {
"urls": [
"http://mysubdomain.example.com/"
],
"launch": {
"web_url": "http://mysubdomain.example.com/"
}
}
}
Let us know, if you have any difficulty in following the tutorial.
Related
I got this extension for google chrome and it won't load when I try to load unpacked extension. Where is the problem?
{
"manifest_version": 2,
"name": "HTML",
"description": "HTML change",
"version": "1",
"background": {
"page": "background.html"
},
"content_scripts": [
{
"matches": ["https://ocjene.skole.hr/pocetna/prijava/*"],
}
],
}
Trailing commas mean invalid json - try this change first:
{
"manifest_version": 2,
"name": "HTML",
"description": "HTML change",
"version": "1",
"background": {
"page": "background.html"
},
"content_scripts": [
{
"matches": ["https://ocjene.skole.hr/pocetna/prijava/*"]
}
]
}
You may refer with this Can't load unpacked extension? forum.
I'm going to recommend that you start with a powerwash. This will wipe your device and return it to factory settings (and also put you back to the stable channel). Full instructions can be found in this help center article.
After the powerwash, I would suggest that you test whether or not the extension will load while still running a stable build. If it does, and then it stops working when you switch o the dev channel, that helps to narrow down the issue.
Additional references:
Load Unpacked Extension
Unable to load unpacked extensions
I'm trying to make a google chrome extension, but I'm having a problem. Please answer as basic as possible as I'm really bad at code. Whenever I upload something as a zip file, it says
"An error occurred: Failed to process your item. manifest.json:5:26:
unexpected char."
This is my code :
{
"name": "ROBLOX Character Asset ID",
"version": "1.9.0", // version
"manifest_version": 2,
"description": "This extension is for GFX artists who need their customer's character asset ID",
"browser_action": {
"default_icon": "icon.png"
},
"permissions": [
"alarms",
"background",
"debugger",
"notifications",
"cookies",
"https://www.roblox.com/"
],
"background": {
"scripts": ["bgWork.js", "jQuery-ver3.js"]
},
"icons": { "16": "icon.png",
"48": "icon.png",
"128": "icon.png" }
}
This has to do with the content in your scripts and when you load the extension it not being able to be processed as I loaded your manifest.json just fine (though with blank js files). So don't look towards your manifest.json, you must have an illegal character in your js file.
I'm trying to write a chrome extension that uses a CSS file, but it just does not get injected. The manifest file is pretty straight forward
{
"manifest_version": 2,
"name": "Youtube Embed Performance",
"description": "",
"version": "1.0",
"permissions": ["https://redcursor.net/channels/18181"],
"content_scripts": [
{
"matches" : ["https://redcursor.net/channels/18181"],
"css" : ["youtube.css"],
"js" : ["youtube.js"],
"run_at" : "document_start"
}
]
}
The script appears in the Sources tab as part of my extension (and gets executed). The CSS won't appear there.
More Info/Update
I packaged and installed google's own sample app showing filesystem access and it also does not show the checkbox!
You can find it here: https://github.com/GoogleChrome/chrome-app-samples/tree/master/filesystem-access
Original Post
I have the permission asking for filesystem.write ability in my manifest but on the chrome://extensions page, the check box doesn't show up. And when I click "permissions" next to my app's icon, it only shows:
"Write to files that you have opened in the application"
What am I doing wrong? (This is a hosted app)
manifest.json
{
"manifest_version": 2,
"name": "Hello World",
"description": "A test application",
"version": "2.0.3.92",
"minimum_chrome_version": "23",
"offline_enabled": true,
"update_url": "http://mywebsite.com/updates/helloworld.xml",
"icons":
{
"16": "icon_16.png",
"128": "icon_128.png"
},
"app":
{
"background":
{
"scripts":
[
"utils.js",
"fs.js",
"main.js"
]
}
},
"permissions":
[
"unlimitedStorage",
"fullscreen",
{
"fileSystem":
[
"write"
]
},
"background",
"http://*/",
"tabs"
]
}
To get this to work you need either:
permissions: [ "<all_urls>" ]
or a scheme starting with file:///.
If you try *://*/* that will not work as it only represents http or https
I'm learning to write extensions for Chrome. In their tutorial on Hello World, I copied their manifest.json file and followed instructions to the letter, but when I go into the extensions panel and try to load an unpacked extension, I get an error that says the manifest file is missing or unreadable. I'm not well-versed in json, but I cut and pasted their code, and it still isn't working. Has anyone else had this problem? How do I fix it?
You have a semi-colon after the permissions array that should not be there:
Change this from:
{
"name": "My First Extension",
"version": "1.0",
"description": "The first extension that I made.",
"browser_action": { "default_icon": "icon.png" },
"permissions": [ "api.flickr.com/"; ]
}
To:
{
"name": "My First Extension",
"version": "1.0",
"description": "The first extension that I made.",
"browser_action": { "default_icon": "icon.png" },
"permissions": [ "api.flickr.com/" ]
}
Also, if you do not have an image with the name icon.png in the root folder of your extension then you will either need to create one of remove the reference to the image.