try:
// Java
public boolean longTapElement_XCTest(MobileElement el) {
try {
JavascriptExecutor js = (JavascriptExecutor) driver;
HashMap<String, String> tapObject = new HashMap<String, String>();
tapObject.put("element", el.getId());
js.executeScript("mobile:touchAndHold", tapObject);
return true;
} catch (Exception e) {
return false;
}
}