Selenium WebDriver Handling child Windows

//Getting the existing windows handle incase we need to get back to the window.
String winHandleBefore = driver.getWindowHandle();

//Perform the click operation that opens new window
//Switch to new window opened
for(String winHandle : driver.getWindowHandles()){
driver.switchTo().window(winHandle);
}
driver.switchTo().defaultContent();  

Switch To frame :
driver.switchTo().frame("studioFrame");