hook getsimoperator function

getsim.js

Java.perform(function() {

    var ThreadDef = Java.use('java.lang.Thread');
    var ThreadObj = ThreadDef.$new();

    var dalvik = Java.use("android.telephony.TelephonyManager") 
    dalvik.getSimOperator.overload().implementation = function(){
        console.log("[+] sim operator Catched -> ")
        stackTrace()
        return "302"
    }
    function stackTrace() {
            console.log("------------START STACK---------------")
            var stack = ThreadObj.currentThread().getStackTrace();
            for (var i = 0; i < stack.length; i++) {
                console.log(i + " => " + stack[i].toString());
            }
            console.log("------------END STACK---------------");
        }
});