selenium webdriver how to resize browser window size for responsive design?

Question

I creating selenium scripts for mobile devices. Our site shows responsiveness based on screen size. I want to develop my script on desktop browser first. I need to resize browser window to get responsive design. How do I resize my browser window?

Answer 1

You can get a reference to the current window with driver.manage().window(). And the window has a setSize() method, so you could try

Dimension dimension = new Dimension(800, 600);
driver.manage().window().setSize(dimension);