Issue while executing UIAutomator command

I am trying to open Apps in mobile using below command,
((AndroidDriver)driver).findElementByAndroidUIAutomator(“new UiSelector.description(“Apps”)”).click();.

But while executing getting below exception, Can any one help o this issue.
“org.openqa.selenium.UnsupportedCommandException: The requested resource could not be found, or a request was received using an HTTP method that is not supported by the mapped resource. (WARNING: The server did not provide any stacktrace information)”

Appium : 1.4.16
Mobile : Nexus 5 (OS 6.0.1)
Java-Client - Latest version 5

I don’t recall findElementByAndroidUIAutomator being supported until Appium 1.5

@willosser can you help with below issue?