Java 添加从my RecycleView中选择的项目
我只想将从myJava 添加从my RecycleView中选择的项目,java,android,firebase,firebase-realtime-database,Java,Android,Firebase,Firebase Realtime Database,我只想将从myRecycleView中选择的项目添加到Firebase中,但它会将RecycleView中的所有项目添加到Firebase中 @Override public void onAddClick(int position) { FoodInfo selectedItem = mfoodinfo.get(position); final String selectedKey = selectedItem.getFoodname(); StorageRe
RecycleView
中选择的项目添加到Firebase中,但它会将RecycleView中的所有项目添加到Firebase中
@Override
public void onAddClick(int position) {
FoodInfo selectedItem = mfoodinfo.get(position);
final String selectedKey = selectedItem.getFoodname();
StorageReference imageRef = firebaseStorage.getReferenceFromUrl(selectedItem.getImageUrl());
imageRef.delete().addOnSuccessListener(new OnSuccessListener<Void>() {
@Override
public void onSuccess(Void aVoid) {
final DatabaseReference databaseReference = FirebaseDatabase.getInstance().getReference("Order");
databaseReference.child(selectedKey).setValue(mfoodinfo);
Toast.makeText(Menu.this, "Order Successful!!", Toast.LENGTH_SHORT).show();
}
});
}
@覆盖
在ADDCLICK(int位置)上的公共无效{
FoodInfo selectedItem=mfoodinfo.get(位置);
最后一个字符串selectedKey=selectedItem.getFoodname();
StorageReference imageRef=firebaseStorage.getReferenceFromUrl(selectedItem.getImageUrl());
imageRef.delete().addOnSuccessListener(新的OnSuccessListener()){
@凌驾
成功时公开作废(作废避免){
final DatabaseReference DatabaseReference=FirebaseDatabase.getInstance().getReference(“订单”);
databaseReference.child(selectedKey).setValue(mfoodinfo);
Toast.makeText(Menu.this,“Order Successful!!”,Toast.LENGTH_SHORT.show();
}
});
}
有人帮我修复吗?试试下面的代码:
(将“mfoodinfo”替换为“selectedItem”)
@覆盖
在ADDCLICK(int位置)上的公共无效{
最终FoodInfo selectedItem=mfoodinfo.get(位置);
最后一个字符串selectedKey=selectedItem.getFoodname();
StorageReference imageRef=firebaseStorage.getReferenceFromUrl(selectedItem.getImageUrl());
imageRef.delete().addOnSuccessListener(新的OnSuccessListener()){
@凌驾
成功时公开作废(作废避免){
final DatabaseReference DatabaseReference=FirebaseDatabase.getInstance().getReference(“订单”);
databaseReference.child(selectedKey).setValue(selectedItem);
Toast.makeText(Menu.this,“Order Successful!!”,Toast.LENGTH_SHORT.show();
}
});
}
@Override
public void onAddClick(int position) {
final FoodInfo selectedItem = mfoodinfo.get(position);
final String selectedKey = selectedItem.getFoodname();
StorageReference imageRef = firebaseStorage.getReferenceFromUrl(selectedItem.getImageUrl());
imageRef.delete().addOnSuccessListener(new OnSuccessListener<Void>() {
@Override
public void onSuccess(Void aVoid) {
final DatabaseReference databaseReference = FirebaseDatabase.getInstance().getReference("Order");
databaseReference.child(selectedKey).setValue(selectedItem);
Toast.makeText(Menu.this, "Order Successful!!", Toast.LENGTH_SHORT).show();
}
});
}