About WebDriver

WebDriver is an interface that acts as a bridge between commands (finding, clicking, typing keys, scrolling, etc.) and the device/browser. The communication happens using JSON-wire protocol over HTTP.

About AppiumDriver

AppiumDriver is a generic implementation of the interface WebDriver. In addition, we have specialized implementations like AndroidDriver, IOSDriver, etc., providing device type-specific commands.

The following table shows the methods that are available in AppiumDriver:

Method	Description
`driver.activateApp(bundleId)`	activates the given app if installed but not running, or if it is running in the background
`driver.close()`	close the current window/quitting the browser if it’s the last window currently open
`driver.closeApp()`	closes the app that was provided in the capabilities at session creation and quits the session
`driver.launchApp()`	launches the app provided in the capabilities
`driver.context(name)`	switches the focus of future commands, for this driver, to the context with the given name
`driver.execute(String driverCommand, Map<String, ?> parameters)`	executes the JSONWP command and returns a response
`driver.findElement(By)`	finds the first `WebElement` matching the given locator
`driver.findElements(By)`	finds all the `WebElement` matching the given locator
`driver.get(url)`	opens the given URL in the current browser tab
`driver.getTitle(url)`	gets the title of current browser tab/window
`driver.getCurrentUrl()`	returns the URL of the page currently loaded in the browser
`driver.getContext()`	gets the current context handle
`driver.getContextHandles()`	returns the set of context handles that can be used to iterate over available contexts
`driver.getWindowHandle()`	get the current window handle
`driver.getWindowHandles()`	returns the set of window handles which can be used to iterate over available handles
`driver.switchTo().frame(index or name)`	switches the control to the frame

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