How to get the content-desc atribute at run time

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Hi,

I am working on Android 5.0.2 version using Native apps. I want to get the content-desc property at run time used these method none of them working.

List lst = driver.findElementsByXPath("//android.widget.EditText");
lst.get(1).getAttribute(“content-desc”); -getting error
lst.get(1).getAttribute(“name”);- nothing returned
lst.get(1).getAttribute(“text”);-nothing returned

Please let me know if anyone knows the solutions