title: Unable to create a directory in the /data/ partition of the Android
body: <p>I'm trying to create a partition called "subdata" under "/data". But it's failing.</p>
  
  <p>The steps I tried and the failure results are mentioned below.</p>
  
  <pre><code>File dir =new File(/data/subdata/");
  boolean success = dir.mkdir();
  </code></pre>
  
  <p>Here, the "success" value is found "false".</p>
  
  <pre><code>File dir= context.getDir("/data/subdata",Context.MODE_WORLD_READABLE);
  </code></pre>
  
  <p>Here, I get "<code>java.lang.IllegalArgumentException: File app_/data/subdata/ contains a path separator</code>"</p>
  
  <p>Please, help me in creating this subfolder under <code>/data/</code> partition.</p>