title: how can i access alarm content provider
body: <p>i'm trying to access alarm provider to get all enabled alarm information.</p>
  
  <p>so i wrote this : </p>
  
  <pre><code>public static final Uri CONTENT_URI =
              Uri.parse("content://com.android.deskclock/alarm");
  ContentResolver cr = getContentResolver();
  Cursor c = null;
  
  c = cr.query(
                  CONTENT_URI, ALARM_QUERY_COLUMNS,
                  null, null, DEFAULT_SORT_ORDER);
  </code></pre>
  
  <p>but it seemed to have the permission problem??</p>
  
  <p>it always crashed QQ......could someone help me?</p>