title: No command output error in eclipse when running HelloAndroid program
body: <p>I am new to Android programming.
  Received this error when i try to run my Hello Android program.
  The emulator doesn't show the "Hello Android" after that.</p>
  
  <p>error log:</p>
  
  <pre><code>eclipse.buildId=M20100909-0800
  java.version=1.6.0_23
  java.vendor=Sun Microsystems Inc.
  BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=en_MY
  Command-line arguments:  -os win32 -ws win32 -arch x86
  
  
  Error
  Sun Dec 19 19:11:04 SGT 2010
  No command output when running: 'am start -n com.example.helloandroid/com.example.helloandroid.HelloAndroid -a android.intent.action.MAIN -c android.intent.category.LAUNCHER' on device emulator-5554
  
  com.android.ddmlib.ShellCommandUnresponsiveException
  at com.android.ddmlib.AdbHelper.executeRemoteCommand(AdbHelper.java:408)
  at com.android.ddmlib.Device.executeShellCommand(Device.java:276)
  at com.android.ide.eclipse.adt.internal.launch.ActivityLaunchAction.doLaunchAction(Unknown Source)
  at com.android.ide.eclipse.adt.internal.launch.AndroidLaunchController.launchApp(Unknown Source)
  at com.android.ide.eclipse.adt.internal.launch.AndroidLaunchController.simpleLaunch(Unknown Source)
  at com.android.ide.eclipse.adt.internal.launch.AndroidLaunchController.access$3(Unknown Source)
  at com.android.ide.eclipse.adt.internal.launch.AndroidLaunchController$3.run(Unknown Source)
  </code></pre>