I have tried a lot of ways to get an intent filter to detect my custom file
type and let me open it from gmail with my program, but nothing works
right, at least on Android 4.1 (cyanogen mod). Unfortunately I cannot test
it extensively on much else at the moment, but I need it to work on as many
versions as possible.
This is what I have right now:
<intent-filter >
<action android:name="android.intent.action.VIEW" />
<category android:name="android.intent.category.DEFAULT" />
<category android:name="android.intent.category.BROWSABLE"
/>
<data android:scheme="content" android:host="*"
android:pathPattern=".*\\.umsg" />
<data android:scheme="file" android:host="*"
android:pathPattern=".*\\.umsg" />
</intent-filter>
<intent-filter >
<action android:name="android.intent.action.VIEW" />
<category android:name="android.intent.category.DEFAULT" />
<category android:name="android.intent.category.BROWSABLE"
/>
<data android:mimeType="*/*" />
<data android:scheme="content" android:host="*"
android:pathPattern=".*\\.umsg" />
<data android:scheme="file" android:host="*"
android:pathPattern=".*\\.umsg" />
</intent-filter>
<intent-filter>
<action android:name="android.intent.action.VIEW" />
<category android:name="android.intent.category.DEFAULT" />
<data android:mimeType="application/*"
android:pathPattern=".*\\.umsg" android:scheme="content" />
</intent-filter>
Where ".umsg" is a custom binary file. On my device, I can successfully
open this file type from gmail (View and Save show up on attachments
containing these files) and from Root Explorer. However, if I receive an
email and get the gmail notification, clicking it in the notifications
drawer also asks what to open it with: gmail or my app. This is obviously
undesirable. The problem does not happen for attachments containing other
file types. I have tried other extension names as well, with no luck, so
I'm guessing this is not an extension name conflict.
How can I get this to work on as many Android versions as possible? Someone
also told me that it does not work on 2.3 (a Galaxy S II). I need it to
work at least on anything >= 2.3.
Related:
http://stackoverflow.com/questions/13156212/intent-filter-for-custom-file-type
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