Android intent filter for a particular file extension?

Here is how I defined my activity in my AndroidManifest. Xml to get this to work activity name="com.keepassdroid. PasswordActivity"> Kdb).

The ". *" at the beginning matches any squence of characters. These strings require double escaping, so "\." matches a literal period.

Then, you end with your file extension Finally, according to the Android documentation, both host and scheme attributes are required for the pathPattern attribute to work, so just set that to the wildcard to match anything Now, if you select a . Kdb flie in an app like Linda File Manager, my app shows up as an option. I should note that this alone does not allow you to download this filetype in a browser, since this only registers with the file scheme.

Having an app like Linda File Manager on your phone resisters itself generically allowing you to download any file type.

Here is how I defined my activity in my AndroidManifest. Xml to get this to work. The scheme of "file" indicates that this should happen when a local file is opened (rather than protocol like http).

MimeType can be set to "*" to match any mime type. PathPattern is where you specify what extension you want to match (in this example . Kdb).

The ". *" at the beginning matches any squence of characters. These strings require double escaping, so "\." matches a literal period.

Then, you end with your file extension. Finally, according to the Android documentation, both host and scheme attributes are required for the pathPattern attribute to work, so just set that to the wildcard to match anything. Now, if you select a .

Kdb flie in an app like Linda File Manager, my app shows up as an option. I should note that this alone does not allow you to download this filetype in a browser, since this only registers with the file scheme. Having an app like Linda File Manager on your phone resisters itself generically allowing you to download any file type.

Wow, that's awesome, thanks, I'll try it out. – Curyous Jan 15 '10 at 21:39 This doesn't work here. First with mimeType="", the package doesn't install on Android 2.1, I get a MalformedMimeTypeException.

Using "*/" fixes this, but then, this filter has no effect. I am currently testing with the Skyfire browser, which doesn't preserve the mime type of downloads, as the standard Android browser do. And when clicking on a file in the Skyfire downloads list, a simplistic VIEW intent is broadcasted with file data.

And this intent filter doesn't match. – olivierg Feb 8 at 12:43 @Brian Pellin: I was actually searching for a way to bind a mime-type to the . Kdbx extension to allow ES file explorer to open kdbx files when I was pointed to this post.

Apparently if the intent has an empty MIME type, this intent filter will not work! Also, it's possible to have an intent with an EMPTY string as the action and just a URI. Google Docs responded to that intent, so it must be valid.

– billc. Cn Sep 6 at 1:50.

Rather than android:path, try android:mimeType, with a value of the MIME type of this particular piece of content. Also, android:path does not accept wildcards -- use android:pathPattern for that.

There should still be a mimetype for the type of content you're downloading, even if it doesn't use the same word. – Klondike Nov 15 '09 at 17:24 There is a mimetype for the type of content, but the file is produced by a third party application that puts a different extension on it, so I don't think it will be recognised as that mimetype. – Curyous Nov 16 '09 at 23:58 Thanks, I'll give the pathPattern a go and see what happens.

– Curyous Nov 16 '09 at 23:58.

Brian's answer is very close, but here's a clean and error-free way to have your app invoked when trying to open a file with your own custom extension (no need for scheme or host).

The Android documentation states that the pathPattern attribute is only meaningful if a scheme and host are specified, and I have verified this: developer.android. Com/guide/topics/manifest/data-element. Html – Brian Pellin Sep 28 at 18:35.

You probably can't do it system wide, because Android doesn't support that. You can do this for specific apps like Google mail client or Google browser. Look for more info hire: mail-archive.com/android-developers@goog... I saw code for adding support for APKs in mail client (for installing them instead of saving), but unfortunately I cant found it now.

Brian's answer above got me 90% of the way there. To finish it off, for mime type I used android:mimeType="*/*" I suspect that previous posters have attempted to post the same detail, but the withough qoting the star slash star as code, stackoverflow diplays it as just a slash.

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