android - Button Contacts : couldn't save which view has focus because the focused view.com has no id -


error: couldn't save view has focus because focused view com.android.internal.policy.impl.phonewindow$decorview@40556f58 has no id

here code: 

intent intent = new intent(intent.action_pick, contactscontract.contacts.content_uri);                     startactivityforresult(intent,pick_contact );

and result:

    public void onactivityresult(int reqcode, int resultcode, intent data)     {         super.onactivityresult(reqcode, resultcode, data);              switch(reqcode)             {                case (pick_contact):                  if (resultcode == activity.result_ok)                  {                      uri contactdata = data.getdata();                      cursor c = managedquery(contactdata, null, null, null, null);                        if (c.movetofirst())                        {                           string id =                                  c.getstring(c.getcolumnindexorthrow(contactscontract.contacts._id));                            string hasphone =                               c.getstring(c.getcolumnindex(contactscontract.contacts.has_phone_number));                            if (hasphone.equalsignorecase("1"))                            {                               cursor phones = getcontentresolver().query(                                contactscontract.commondatakinds.phone.content_uri,null,                                contactscontract.commondatakinds.phone.contact_id +" = "+ id,                                null, null);                                phones.movetofirst();                               string phn_no = phones.getstring(phones.getcolumnindex("data1"));                               string name = c.getstring(c.getcolumnindex(structuredpostal.display_name));                                //toast.maketext(this, "contact info : "+ phn_no+"\n"+name, toast.length_long).show();                                phn_no = phn_no.replace("+", "");                               phn_no = phn_no.replace("-", "");                               phn_no = phn_no.replace(" ", "");                               phn_no = phn_no.replace("#", "");                               phn_no = phn_no.replace("@", "");                               phn_no = phn_no.replace("*", "");                               phn_no = phn_no.replace(".", "");                                system.out.println("masuk method ini");  //                            toast.maketext(parent, phn_no, 2).show();                                txthape.settext(phn_no);                            }                       }                  }             }        }

i add permition on manifest like:

<uses-permission android:name="android.permission.read_contacts"/>

what should solved problem?


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