08b172b67095ee8186d74674bcfa37fadfdad0aa,src/com/android/uiautomator/client/cmd/Actions.java,Actions,drag,#JSONObject#,101
Before Change
String elementId = (String) args.get("element");
Integer fromX = (Integer) args.get("fromX");
Integer fromY = (Integer) args.get("fromY");
Integer toX = (Integer) args.get("toX");
Integer toY = (Integer) args.get("toY");
Integer duration = (Integer) args.get("duration");
if (elementId != null) {
After Change
String elementId = args.optString("element");
int fromX = args.optInt("fromX");
int fromY = args.optInt("fromY");
int toX = args.optInt("toX");
int toY = args.optInt("toY");
double duration = args.optDouble("duration", 1);
int steps = (int) Math.round(duration * 40);