title: how to access android files /data/anr/traces.txt and /data/tombstones/tombstones
body: <p>I am writing an application for reporting crashes and the relevant logs.
  So from my application I am trying to access <strong>traces.txt</strong> and tombstones, but I am getting an error:</p>
  
  <pre><code>03-25 09:48:46.220 W/System.err(10250): java.io.FileNotFoundException: /data/tombstone/tombstone_00 (Permission denied)
  </code></pre>
  
  <p>I am able to access <strong>traces.txt</strong>, but not tombstones.</p>