java - limit users in group chat of whatsapp by an android app -


i m trying developing app want monitor whatsapp group chat , limit users e.g max 5 users can join if 6th coming, ignore or remove inactive , add new user chat have no idea how can ? requires root acess or not? there api available ?

you can use yowsup python library. need setup separate whatsapp account logs whatsapp servers using library. account need "owner" of groups , need manage adding , removing users chat. code need monitor chat traffic figure out talking. code develop not need run time.

you need register listeners number of whatsapp events. of init code this:

class whatsappclient:  def __init__(self):     atexit.register(self.exitfunction)      connectionmanager = yowsupconnectionmanager()     connectionmanager.setautopong(true)     self.signalsinterface = connectionmanager.getsignalsinterface()     self.methodsinterface = connectionmanager.getmethodsinterface()      self.signalsinterface.registerlistener("auth_success", self.onauthsuccess)     self.signalsinterface.registerlistener("auth_fail", self.onauthfailed)     self.signalsinterface.registerlistener("message_received", self.onmessagereceived)     self.signalsinterface.registerlistener("receipt_messagesent", self.onmessagesent)     self.signalsinterface.registerlistener("disconnected", self.ondisconnected)     self.signalsinterface.registerlistener("group_messagereceived", self.ongroup_messagereceived)        self.signalsinterface.registerlistener("notification_groupparticipantadded", self.onnotification_groupparticipantadded)     self.signalsinterface.registerlistener("notification_groupparticipantremoved", self.onnotification_groupparticipantremoved)     self.signalsinterface.registerlistener("group_gotinfo", self.ongroup_gotinfo)     self.signalsinterface.registerlistener("group_gotparticipants", self.ongroup_gotparticipants)     self.signalsinterface.registerlistener("group_subjectreceived", self.ongroup_subjectreceived)     self.signalsinterface.registerlistener("notification_grouppictureupdated", self.onnotification_grouppictureupdated)     self.signalsinterface.registerlistener("group_setsubjectsuccess", self.ongroup_setsubjectsuccess)     self.signalsinterface.registerlistener("group_createsuccess", self.ongroup_createsuccess)     self.signalsinterface.registerlistener("group_createfail", self.ongroup_createfail)     self.signalsinterface.registerlistener("group_endsuccess", self.ongroup_endsuccess)     self.signalsinterface.registerlistener("group_addparticipantssuccess", self.ongroup_addparticipantssuccess)     self.signalsinterface.registerlistener("group_removeparticipantssuccess", self.ongroup_removeparticipantssuccess)

some examples of method implementations above:

def ongroup_messagereceived(self, messageid, gjid, author, content, timestamp, receiptrequested, pushname):     formatteddate = datetime.datetime.fromtimestamp(timestamp).strftime('%y-%m-%d %h:%m:%s')     log("group message %s - %s (%s):%s"%(gjid, pushname, author, content))     if receiptrequested:         self.methodsinterface.call("message_ack", (gjid, messageid))     # message....  def ongroup_addparticipantssuccess(self, gjid, jid):     log ("participant added success g=%s j=%s " % (gjid, jid))  def ongroup_removeparticipantssuccess(self, gjid, jid):     log ("participant removed success g=%s j=%s " % (gjid, jid))

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