How to create xpath of web application in appium using Uiautomate viewer?

How to create xpath of web application in appium using Uiautomate viewer?

Find the attched screenshot here I have content description only.By using this how can i Identify Sign UP button?

I have tried following code,but it is not working.

driver.get(“https://mobile.twitter.com/”);
driver.manage().timeouts().implicitlyWait(5, TimeUnit.SECONDS); driver.findElement(By.xpath("//android.view.View[@

content-desc=‘Sign up’]")).click();