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PONexus 4 not showing files via MTP
 

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    <p>I'm trying to simply write a simple XML file to the SD card and I noticed that my Nexus 4 does write the file, but it is not viewable via the MTP protocol using Windows 7.</p> <p>code:</p> <pre><code>public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); CustomerQueryRqType customerQueryRequest = new CustomerQueryRqType(); Serializer serializer = new Persister(); File myFile = new File(Environment.getExternalStorageDirectory() + "/customerQueryRequest.xml"); try { boolean created = myFile.createNewFile(); serializer.write(customerQueryRequest, myFile); } catch (Exception e) { e.printStackTrace(); } } </code></pre> <p>I can see the file on the phone itself with Astro File Manager:</p> <p><a href="https://i.stack.imgur.com/zsKo0.png" rel="noreferrer"><img src="https://i.stack.imgur.com/zsKo0.png" alt="Screenshot"></a></p> <p>but Windows doesn't see it...:</p> <p><a href="https://i.stack.imgur.com/Bi67e.png" rel="noreferrer"><img src="https://i.stack.imgur.com/Bi67e.png" alt="Screenshot"></a></p> <p><code>adb shell</code> on the directory shows:</p> <pre><code>ls -l drwxrwxr-x root sdcard_rw 1970-01-16 20:51 Alarms drwxrwxr-x root sdcard_rw 1970-01-16 20:51 Android drwxrwxr-x root sdcard_rw 2012-11-21 19:30 DCIM drwxrwxr-x root sdcard_rw 1970-01-16 20:51 Download drwxrwxr-x root sdcard_rw 1970-01-16 20:51 Movies drwxrwxr-x root sdcard_rw 1970-01-16 20:51 Music drwxrwxr-x root sdcard_rw 1970-01-16 20:51 Notifications drwxrwxr-x root sdcard_rw 2012-11-19 12:06 Pictures drwxrwxr-x root sdcard_rw 1970-01-16 20:51 Podcasts drwxrwxr-x root sdcard_rw 2012-11-19 13:22 Ringtones drwxrwxr-x root sdcard_rw 2012-11-19 14:33 bluetooth -rw-rw-r-- root sdcard_rw 79 2012-12-05 22:26 customerQueryRequest.xml drwxrwxr-x root sdcard_rw 2012-11-20 02:50 data -rw-rw-r-- root sdcard_rw 11394 2012-11-19 13:54 eightpen_custom_gestures drwxrwxr-x root sdcard_rw 2012-11-19 13:17 media </code></pre> <p>What's going on with my Nexus 4? Why is it hiding my things from Windows?</p>
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