Special logic to try and guess mime types from things normally marked as octet streams

api/src/com/todoroo/andlib/utility/AndroidUtilities.java

@@ -863,4 +863,21 @@ public class AndroidUtilities {
         }
     }
 
+    /**
+     * Returns the final word characters after the last '.'
+     * @param file
+     * @return
+     */
+    @SuppressWarnings("nls")
+    public static String getFileExtension(String file) {
+        int index = file.lastIndexOf('.');
+        String extension = "";
+        if (index > 0) {
+            extension = file.substring(index + 1);
+            if (!extension.matches("\\w+"))
+                extension = "";
+        }
+        return extension;
+    }
+
 }

astrid/plugin-src/com/todoroo/astrid/files/FilesControlSet.java

@@ -20,6 +20,7 @@ import android.view.Gravity;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.View.OnClickListener;
+import android.webkit.MimeTypeMap;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.LinearLayout.LayoutParams;
@@ -245,7 +246,20 @@ public class FilesControlSet extends PopupControlSet {
             });
             image.show();
         } else {
-            showFromIntent(filePath, fileType);
+            String useType = fileType;
+            if (fileType.equals(FileMetadata.FILE_TYPE_OTHER)) {
+                String extension = AndroidUtilities.getFileExtension(filePath);
+
+                MimeTypeMap map = MimeTypeMap.getSingleton();
+                String guessedType = map.getMimeTypeFromExtension(extension);
+                if (!TextUtils.isEmpty(guessedType))
+                    useType = guessedType;
+                if (useType != guessedType) {
+                    m.setValue(FileMetadata.FILE_TYPE, useType);
+                    metadataService.save(m);
+                }
+            }
+            showFromIntent(filePath, useType);
         }
     }
 
@@ -260,7 +274,6 @@ public class FilesControlSet extends PopupControlSet {
     }
 
     private void handleActivityNotFound(String fileType) {
-        System.err.println("HANDLING FILE OF TYPE: " + fileType); //$NON-NLS-1$
         if (fileType.startsWith(FileMetadata.FILE_TYPE_AUDIO)) {
             searchMarket("com.clov4r.android.nil", R.string.search_market_audio_title, R.string.search_market_audio); //$NON-NLS-1$
         } else if (fileType.equals(FileMetadata.FILE_TYPE_PDF)) {

astrid/src/com/todoroo/astrid/activity/TaskEditFragment.java

@@ -1059,10 +1059,7 @@ ViewPager.OnPageChangeListener, EditNoteActivity.UpdatesChangedListener {
 
         String path = dst.getAbsolutePath();
         String name = dst.getName();
-        String extension = "";
-        if (name.matches("\\w+.\\w+")) {
-            extension = name.substring(name.lastIndexOf('.') + 1);
-        }
+        String extension = AndroidUtilities.getFileExtension(name);
 
         String type = FileMetadata.FILE_TYPE_OTHER;
         if (!TextUtils.isEmpty(extension)) {