title: java.io.IOException: Error running exec(). Commands: [cd, sdcard/.yasmin] Working Directory: null Environment: null
body: <p>I try to access to my folder in sdcard and install myapp.apk, i use this code:</p>
  
  <pre><code> Runtime.getRuntime().exec("cd sdcard/.yasmin");
   Runtime.getRuntime().exec("adb install tefli.apk");
  </code></pre>
  
  <p>But unfortunatelly i have this error:</p>
  
  <pre><code>05-11 11:09:57.925: WARN/System.err(1399): java.io.IOException: 
  Error running exec(). Commands: [cd, sdcard/.yasmin] Working Directory: null    Environment: null
  </code></pre>
  
  <p>Anybody please have an idea.
  thanks in advance.</p>