Help with developement Xposed modules

Hi, I'm new development Xposed modules i have one problem in the hook process. My goal is to log the device imei by XposedBridge i tried by different forms but i can't have success . I all ready can change the imei but i can't do the correct log of the imei or put the value the correct value in a string anyone can help me? Thanksss Best regards... my code is this:

public class TelephoneManager implements IXposedHookLoadPackage {

@override
public void handleLoadPackage(LoadPackageParam lpparam) throws Throwable {
// TODO Auto-generated method stub
if(lpparam.packageName.equals("fca.up.identityspoo fing")){
XposedHelpers.findAndHookMethod(TelephonyManager.c lass, "getDeviceId", new XC_MethodReplacement() {
protected Object replaceHookedMethod(MethodHookParam param) throws Throwable {
XposedBridge.log("in....");
String id_device = (String) param.thisObject.toString();
//TextView id = (TextView) param.thisObject;
//String device_id = id.getText().toString();
XposedBridge.log(id_device);
return "0000000";
}
});

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