How to select value from drop down in Android Hybrid Application

Hi,

I am using Appium to Automate Android Hybrid Application, here I am able to click on dropdown but i am unable to locate the drop down values in UIA Automator viewer (refer the screenshot) and in Webview it is unable to click on any element could any one please help on this below are the my code.

driver.context(“webview”);
Thread.sleep(12000);
driver.findElement(By.id(“country_picker”)).click();

Thank you,