create an extra string resource

res/values/strings.xml

@@ -326,5 +326,6 @@
 
 	<string name="shared_subject_header">shared</string>
 	<string name="with_you_subject_header">with you</string>
+    <string name="subject_token">%1$s %2$s &gt;&gt;%3$s&lt;&lt; %4$s</string>
 
 </resources>

src/com/owncloud/android/operations/CreateShareOperation.java

@@ -133,7 +133,7 @@ public class CreateShareOperation extends SyncOperation {
         OCFile file = getStorageManager().getFileByPath(mPath);
         if (file!=null) {
             mSendIntent.putExtra(Intent.EXTRA_TEXT, share.getShareLink());
-            mSendIntent.putExtra(Intent.EXTRA_SUBJECT, String.format("%s %s >>%s<< %s",
+            mSendIntent.putExtra(Intent.EXTRA_SUBJECT, String.format(mContext.getString(R.string.subject_token),
                     getClient().getCredentials().getUsername(), mContext.getString(R.string.shared_subject_header),
                     file.getFileName(), mContext.getString(R.string.with_you_subject_header)));
             file.setPublicLink(share.getShareLink());