Can';t转换java.lang.Boolean类型的对象
在本主题中,我已经研究了很多主题,但是我无法在自己的代码中修改代码。因为我看不出有个明显的错误。我得到了错误 情节模型。类别Can';t转换java.lang.Boolean类型的对象,java,android,firebase,firebase-realtime-database,Java,Android,Firebase,Firebase Realtime Database,在本主题中,我已经研究了很多主题,但是我无法在自己的代码中修改代码。因为我看不出有个明显的错误。我得到了错误 情节模型。类别 public void check() { ref.child("Users").child(user.getUid()).child("Watched").child(seriesTitle).child("Season").child(seasonGet) .addChildEventListener(new Child
public void check() {
ref.child("Users").child(user.getUid()).child("Watched").child(seriesTitle).child("Season").child(seasonGet)
.addChildEventListener(new ChildEventListener() {
@Override
public void onChildAdded(@NonNull DataSnapshot dataSnapshot, @Nullable String s) {
EpisodeModel episodeModel = dataSnapshot.getValue(EpisodeModel.class);
Log.i("child",episodeModel.toString());
Log.i("test","test2");
String st = dataSnapshot.getKey();
int no = Integer.parseInt(st);
if(!deneme.contains(no))
{
deneme.add(no);
}
checkModelTestAdapter.notifyDataSetChanged();
}
...onChildChanged..onChildRemoved..onChildMoved..onCancelled..}};
公共类情节模型{
private String episode;
public EpisodeModel(String episode) {
this.episode = episode;
}
public EpisodeModel()
{
}
public String getEpisode() {
return episode;
}
public void setEpisode(String episode) {
this.episode = episode;
}
@Override
public String toString() {
return "EpisodeModel{" +
"episode='" + episode + '\'' +
'}';
}
}
MyFragment.class
public void check() {
ref.child("Users").child(user.getUid()).child("Watched").child(seriesTitle).child("Season").child(seasonGet)
.addChildEventListener(new ChildEventListener() {
@Override
public void onChildAdded(@NonNull DataSnapshot dataSnapshot, @Nullable String s) {
EpisodeModel episodeModel = dataSnapshot.getValue(EpisodeModel.class);
Log.i("child",episodeModel.toString());
Log.i("test","test2");
String st = dataSnapshot.getKey();
int no = Integer.parseInt(st);
if(!deneme.contains(no))
{
deneme.add(no);
}
checkModelTestAdapter.notifyDataSetChanged();
}
...onChildChanged..onChildRemoved..onChildMoved..onCancelled..}};
Logcat
Process: com.example.forev.seriesboiler, PID: 6959
com.google.firebase.database.DatabaseException: Can't convert object of type java.lang.Boolean to type com.example.forev.seriesboiler.Models.EpisodeModel
at com.google.android.gms.internal.firebase_database.zzkt.zzb(Unknown Source)
at com.google.android.gms.internal.firebase_database.zzkt.zza(Unknown Source)
at com.google.firebase.database.DataSnapshot.getValue(Unknown Source)
at com.example.forev.seriesboiler.Fragments.SeriesDetailsFragment$1.onChildAdded(SeriesDetailsFragment.java:88)
at com.google.android.gms.internal.firebase_database.zzbt.zza(Unknown Source)
at com.google.android.gms.internal.firebase_database.zzgx.zzdr(Unknown Source)
at com.google.android.gms.internal.firebase_database.zzhd.run(Unknown Source)
at android.os.Handler.handleCallback(Handler.java:751)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:154)
EpisodeModel EpisodeModel=dataSnapshot.getValue(EpisodeModel.class)
在这一行中,您将得到一个错误,即布尔对象不能转换为eposodemodel。如果您已将该子项的值设置为true或false(不带双引号),则可能会出现这种情况。请再次查看,并尝试在要设置为子值的“true”或“false”周围添加双引号。dataSnapshot包含布尔值,因此dataSnapshot.getValue(EpicodeModel.class)会导致强制转换异常。你需要弄清楚为什么它返回一个布尔值而不是作为你的eposodemodel对象。请添加你的数据库结构,并请用@AlexMamo回复