[android-developers] Media Scanning Completed Toast message appears only sometimes

Hi,

I add mp4 videos to the SDCard through my code and use this to
refresh the gallery:

sendBroadcast(new Intent(Intent.ACTION_MEDIA_MOUNTED,
Uri.parse("file://" + Environment.getExternalStorageDirectory())));

But I get the toast message "Media Scanning Completed" only sometimes
and sometimes it does not appear. Could somebody explain why we get
this toast sometimes and sometimes we don't get it?

Thank you,
B.Arunkumar

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