[英]Is there any way that I can save an actual DatabaseReference object to FirebaseDatabase?
我试图通过将一个节点的引用保存到一个节点中作为值来连接2个节点,但是当我尝试这样做时,我遇到了运行时错误:
Caused by: com.google.firebase.database.DatabaseException: Found a conflicting setters with name: setWallpaper (conflicts with setWallpaper defined on android.content.ContextWrapper)**
我尝试运行的代码如下:
DatabaseReference svDbRef = FirebaseDatabase.getInstance().getReference().child("POIs")
.child("Pub")
.child("-LIBpQkXx73n3Yt4z0Xn");
DatabaseReference dbref = FirebaseDatabase.getInstance().getReference().child("References");
dbref.push().setValue(svDbRef, new DatabaseReference.CompletionListener() {
@Override
public void onComplete(@Nullable DatabaseError databaseError, @NonNull DatabaseReference databaseReference) {
Toast.makeText(AddLocation.this, "Saved successfully", Toast.LENGTH_SHORT).show();
}
});
以这种方式尝试-
DatabaseReference dbref;
DatabaseReference svDbRef = FirebaseDatabase.getInstance().getReference().child("POIs").child("Pub").child("-LIBpQkXx73n3Yt4z0Xn").addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot snapshot) {
dbref = FirebaseDatabase.getInstance().getReference().child("References");
dbref.push().setValue(snapshot, new DatabaseReference.CompletionListener() {
@Override
public void onComplete(@Nullable DatabaseError databaseError, @NonNull DatabaseReference databaseReference) {
Toast.makeText(AddLocation.this, "Saved successfully", Toast.LENGTH_SHORT).show();
}
});
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
});
我认为问题出在这里: Found a conflicting setters with name: setWallpaper (conflicts with setWallpaper defined on android.content.ContextWrapper)**
setWallpaper()
函数是什么? 它是你的吗? 尝试重命名
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