android - FirebaseDatabaseException: Cant convert object of type java lang long to type -


found in stack trace, problem? can this. trying retrieve object firebase using recyclerview.

my logcat

 com.google.firebase.database.databaseexception: can't convert object of type java.lang.long type ysy.spreadsheet.databaseview                                                                  @ 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.firebaserecycleradapter.parsesnapshot(firebaserecycleradapter.java:151)

my structure

public class databaseview {  private integer bodytemp; private integer electrocardiogram; private integer perspirerate;   public databaseview(){ }  public databaseview(integer bodytemp, integer electrocardiogram,integer  perspirerate){ this.bodytemp= bodytemp; this.electrocardiogram= electrocardiogram; this.perspirerate= perspirerate;  } public integer getbodytemp() {return bodytemp;} public void setbodytemp(integer bodytemp) {this.bodytemp = bodytemp;}  public integer getelectrocardiogram() {return electrocardiogram;} public void setelectrocardiogram(integer electrocardiogram) {this.electrocardiogram = electrocardiogram;}  public integer getperspirerate() {return perspirerate;} public void setperspirerate(integer perspirerate) {this.perspirerate = perspirerate;}  }

my view holder

 public static class healthviewholder extends recyclerview.viewholder{     public textview healthbodytemp;     public textview healthelectrocardiogram;     public textview healthperspirerate;     public healthviewholder(view v){         super(v);         healthbodytemp =(textview)itemview.findviewbyid(r.id.bodytemp);         healthelectrocardiogram=  (textview)itemview.findviewbyid(r.id.electrocardiogram);         healthperspirerate=(textview)itemview.findviewbyid(r.id.perspirerate);

read firebase

private databasereference mfirebasedatabasereference; private firebaserecycleradapter<databaseview, healthviewholder>  mfirebaseadapter;  @override protected void oncreate(bundle savedinstancestate) {     super.oncreate(savedinstancestate);     setcontentview(r.layout.activity_main);      //intialize recyclerview     mhealthrecyclerview =     (recyclerview)findviewbyid(r.id.healthrecyclerview);     mlinearlayoutmanager = new linearlayoutmanager(this);     mlinearlayoutmanager.setstackfromend(true);     mhealthrecyclerview.setlayoutmanager(mlinearlayoutmanager);      //database initilization     mfirebasedatabasereference =      firebasedatabase.getinstance().getreference();     mfirebaseadapter = new firebaserecycleradapter<databaseview,      healthviewholder>(             databaseview.class,             r.layout.database_view,             healthviewholder.class,             mfirebasedatabasereference.child(health))


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