android - App crashes when I set FirebaseAdapterUI -
chatactivity crashes when received message in firebase adapter ui. when set simple_list_item_1 layout, works fine, when set 2 or more attributes, app crashed on receiving message.
import android.content.intent; import android.support.v7.app.appcompatactivity; import android.os.bundle; import android.view.view; import android.widget.button; import android.widget.edittext; import android.widget.listview; import android.widget.textview; import com.firebase.ui.database.firebaselistadapter; import com.google.firebase.auth.firebaseauth; import com.google.firebase.database.databasereference; import com.google.firebase.database.firebasedatabase; public class profileacrivity extends appcompatactivity { button log_out; firebaseauth firebaseauth; databasereference databasereference; button send; edittext messgae; listview messagelist; firebaselistadapter<chat>firebaselistadapter; @override protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_profile_acrivity); firebaseauth = firebaseauth.getinstance(); log_out = (button) findviewbyid(r.id.log_out); send= (button) findviewbyid(r.id.send); messgae= (edittext) findviewbyid(r.id.mess_text); messagelist= (listview) findviewbyid(r.id.mess_list); if (firebaseauth.getcurrentuser() == null) { finish(); startactivity(new intent(getapplicationcontext(), login.class)); } databasereference= firebasedatabase.getinstance().getreference().child("group"); log_out.setonclicklistener(new view.onclicklistener() { @override public void onclick(view v) { logout(); } }); send.setonclicklistener(new view.onclicklistener() { @override public void onclick(view v) { messagesend(); } }); messagerecieved(); } void logout() { firebaseauth.signout(); finish(); startactivity(new intent(getapplicationcontext(), login.class)); } void messagesend() { databasereference.push().setvalue(new chat(messgae.gettext().tostring(),firebaseauth.getcurrentuser().getemail())); messgae.settext(" "); } void messagerecieved() { firebaselistadapter=new firebaselistadapter<chat>(this,chat.class,android.r.layout.two_line_list_item,databasereference) { @override protected void populateview(view v, chat model, int position) { ((textview) v.findviewbyid(android.r.id.text1)).settext(model.getname()); ((textview) v.findviewbyid(android.r.id.text2)).settext(model.getmessage()); } }; messagelist.setadapter(firebaselistadapter); } } this chat.java file
public class chat { string message; string name; //string time; public chat(string message,string user) { this.message=message; this.name=user; } public string getmessage() { return message; } public void setmessage(string message) { this.message = message; } public string getname() { return name; } public void setname(string name) { this.name = name; } } stack trace:
02-10 01:15:07.106 15809-15809/a52.puri.fbkunal.com.firebase e/androidruntime: fatal exception: main process: a52.puri.fbkunal.com.firebase, pid: 15809 com.google.firebase.database.databaseexception: class a52.puri.fbkunal.com.firebase.chat missing constructor no arguments @ com.google.android.gms.internal.zzbqi$zza.zze(unknown source) @ com.google.android.gms.internal.zzbqi$zza.zzag(unknown source) @ com.google.android.gms.internal.zzbqi.zze(unknown source) @ com.google.android.gms.internal.zzbqi.zzb(unknown source) @ com.google.android.gms.internal.zzbqi.zza(unknown source) @ com.google.firebase.database.datasnapshot.getvalue(unknown source) @ com.firebase.ui.database.firebaselistadapter.parsesnapshot(firebaselistadapter.java:127) @ com.firebase.ui.database.firebaselistadapter.getitem(firebaselistadapter.java:116) @ com.firebase.ui.database.firebaselistadapter.getview(firebaselistadapter.java:146) @ android.widget.abslistview.obtainview(abslistview.java:2306) @ android.widget.listview.makeandaddview(listview.java:1811) @ android.widget.listview.filldown(listview.java:697) @ android.widget.listview.fillfromtop(listview.java:763) @ android.widget.listview.layoutchildren(listview.java:1627) @ android.widget.abslistview.onlayout(abslistview.java:2162) @ android.view.view.layout(view.java:14981) @ android.view.viewgroup.layout(viewgroup.java:4790) @ android.widget.relativelayout.onlayout(relativelayout.java:1055) @ android.view.view.layout(view.java:14981) @ android.view.viewgroup.layout(viewgroup.java:4790) @ android.widget.framelayout.layoutchildren(framelayout.java:453) @ android.widget.framelayout.onlayout(framelayout.java:388) @ android.view.view.layout(view.java:14981) @ android.view.viewgroup.layout(viewgroup.java:4790) @ android.support.v7.widget.actionbaroverlaylayout.onlayout(actionbaroverlaylayout.java:437) @ android.view.view.layout(view.java:14981) @ android.view.viewgroup.layout(viewgroup.java:4790) @ android.widget.framelayout.layoutchildren(framelayout.java:453) @ android.widget.framelayout.onlayout(framelayout.java:388) @ android.view.view.layout(view.java:14981) @ android.view.viewgroup.layout(viewgroup.java:4790) @ android.widget.linearlayout.setchildframe(linearlayout.java:1671) @ android.widget.linearlayout.layoutvertical(linearlayout.java:1525) @ android.widget.linearlayout.onlayout(linearlayout.java:1434) @ android.view.view.layout(view.java:14981) @ android.view.viewgroup.layout(viewgroup.java:4790) @ android.widget.framelayout.layoutchildren(framelayout.java:453) @ android.widget.framelayout.onlayout(framelayout.java:388) @ android.view.view.layout(view.java:14981) @ android.view.viewgroup.layout(viewgroup.java:4790) @ android.view.viewrootimpl.performlayout(viewrootimpl.java:1998) @ android.view.viewrootimpl.performtraversals(viewrootimpl.java:1753) @ android.view.viewrootimpl.dotraversal(viewrootimpl.java:1006) @ android.view.viewrootimpl$traversalrunnable.run(viewrootimpl.java:5652) @ android.view.choreographer$callbackrecord.run(choreographer.java:761) @ android.view.choreographer.docallbacks(choreographer.java:574) @ android.view.choreographer.doframe(choreographer.java:544) @ android.view.choreographer$framedisplayeventreceiver.run(choreographer.java:747) @ android.os.handler.handlecallback(handler.java:733) @ android.os.handler.dispatchmessage(handler.java:95) @ android.os.looper.loop(looper.java:136) @ android.app.activitythread.main(activitythread.java:5433) @ java.lang.reflect.method.invokenative(native method) @ java.lang.reflect.method.invoke(method.java:515) @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:1268) @ com.android.internal.os.zygoteinit.main(zygoteinit.java:1084) @ dalvik.system.nativestart.main(native method) 02-10 01:15:11.770 15809-15850/a52.puri.fbkunal.com.firebase w/dynamitemodule: local module descriptor class com.google.firebase.auth not found.
make constructor of type
chat(){} inside chat class.
firebase needs default constructor. since have parameterized one, need explicitly declare constructor no arguments compiler won't anymore.
Comments
Post a Comment