title: How to create a shared directory with read and write access to all applications in Android?
body: <p>How do I create a shared directory with read/write permissions to all applications installed on my phone and that is not on the sdcard?
  I tried that : </p>
  
  <pre><code>File f = new File("/tmp");
  f.mkdir();
  </code></pre>
  
  <p>but it is not working.</p>