appium code snippets for converting webelement coordinates inside webview to coordinates in native context

convertCoordinates.java

public Point convertWebviewLocationToTouchCoordinates(WebElement webViewElement) {

        //Find the center point of element on webview
        Point webviewLocation = webViewElement.getLocation();
        Dimension size = webViewElement.getSize();

        int elementWebviewCenterX = webviewLocation.getX() + Math.round(size.getWidth() / 2);
        int elementWebviewCenterY = webviewLocation.getY() + Math.round(size.getHeight() / 2);

        System.out.println("Element WebView Location: ( " + elementWebviewCenterX + ", " + elementWebviewCenterY + ")");

        return convertWebviewLocationToTouchCoordinates(elementWebviewCenterX, elementWebviewCenterY);

    }

    public Point convertWebviewLocationToTouchCoordinates(int elementWebviewX, int elementWebviewY) {

        // We need to compare the view size of web and native.

        // First we gather [Information] of web view.
        // [Information] - Element coordinates of element and web view height and width.
        JavascriptExecutor js = (JavascriptExecutor) driver;

        // Web View Dimensions
        int screenWebViewWidth = ((Long) js.executeScript("return window.innerWidth || document.body.clientWidth")).intValue();
        int screenWebViewHeight = ((Long) js.executeScript("return window.innerHeight || document.body.clientHeight")).intValue();
        System.out.println("Webview (width, height) value calculated is: ( " + screenWebViewWidth + ", " + screenWebViewHeight + ")");

        driver.context("NATIVE_APP");

        double screenWidth = driver.manage().window().getSize().getWidth();
        double screenHeight = driver.manage().window().getSize().getHeight();

        // From the webview coordinates we will be calculating the native view coordinates using the width and height.
        double elementNativeViewX = (elementWebviewX * screenWidth) / screenWebViewWidth;
        double elementNativeViewY = (elementWebviewY * screenHeight) / screenWebViewHeight;

        System.out.println("Native View Coordinates: ( " + elementNativeViewX + ", " + elementNativeViewY + ")");

        return new Point((int) elementNativeViewX, (int) (elementNativeViewY));

    }