Cannot type a text in android using appium

[Bess]

Hi. I'm trying to type text to search field on youtube app on android phone. But it returns me a mistake.
What to do?

[Bess]

I have found the answer. Maybe it will bi useful for somebody
driver.findElementByAndroidUIAutomator("new UiSelector().text(\"Search YouTube\")").sendKeys("Portnov");