fix: target Android 16 correctly for GPX file handler

Android's MimeTypeMap does not include application/gpx+xml for .gpx on
all devices, so file managers fall back to text/xml or application/xml.
Add intent-filters for both XML MIME types and check OpenableColumns
DISPLAY_NAME in code before parsing — so Nav appears in the chooser for
XML files but only processes ones named *.gpx.

Remove the broken file:// pathSuffix filter (irrelevant on Android 16,
also syntactically invalid when combined with mimeType in a single <data>
element). Remove unnecessary BROWSABLE category from file-open filters.

https://claude.ai/code/session_01DNjbYxiC1cco83dArNGW3G

1 files changed, 11 insertions, 7 deletions

diff --git a/android-app/app/src/main/AndroidManifest.xml b/android-app/app/src/main/AndroidManifest.xml
index 35f8dd3..196932d 100644
--- a/android-app/app/src/main/AndroidManifest.xml
+++ b/android-app/app/src/main/AndroidManifest.xml
@@ -34,26 +34,30 @@
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
-            <!-- application/gpx+xml: standard MIME type, recognised on Android 12+ -->
+            <!-- GPX as standard MIME type (used by apps that know the type) -->
             <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="application/gpx+xml" />
             </intent-filter>
-            <!-- application/gpx: older variant sent by some file managers and email clients -->
+            <!-- GPX older variant -->
             <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="application/gpx" />
             </intent-filter>
-            <!-- file:// URIs from legacy file managers; extension filtered in code -->
+            <!-- GPX as XML — Android's MimeTypeMap often maps .gpx to text/xml because
+                 application/gpx+xml isn't in the base system database. Code checks the
+                 display name before parsing. -->
             <intent-filter>
                 <action android:name="android.intent.action.VIEW" />
                 <category android:name="android.intent.category.DEFAULT" />
-                <data android:scheme="file" android:host="*" android:pathSuffix=".gpx"
-                    android:mimeType="*/*" />
+                <data android:mimeType="text/xml" />
+            </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:mimeType="application/xml" />
             </intent-filter>
         </activity>
     </application>