title: Restarting SystemUI using am startservice
body: <p>I have been trying to restart SytemUI using these in my app,but it is not working,am on Android 4.0.4.Any help?</p>
  
  <blockquote>
    <p>am startservice -n com.android.systemui/.SystemUIService</p>
  </blockquote>
  
  <p>It works in adb shell,but not in my app or in terminal on android.</p>
  
  <p>Code I am using in my app:</p>
  
  <pre><code>Process mSuProcess; mSuProcess = Runtime.getRuntime().exec("su"); 
  
  DataOutputStream mSuDataOutputStream = new DataOutputStream(mSuProcess.getOutputStream()); 
  
  mSuDataOutputStream.writeBytes("am startservice -n com.android.systemui/.SystemUIService\n");
  </code></pre>