Images from the firebase

image1: image1
above image has parent:"products" and child:"color","description"
image2: image2
above image continued image1
image3: image3
above image continued image2
image4: image4
above image continued image3

I want to access all the values inside the products like products have childs color,description,pic1,pic2,price and in each child there are multiple values stored I want to access all of them

CodePudding user response：

Actually you already get the value. You can do like this, more apprioriate.

databaseReference.child("color").addValueEventListener(new ValueEventListener(){
   @Override
   public void onDataChange(@NonNull DataSnapshot snapshot) {
      for(DataSnapshot ds:snapshot.getChildren()){
         final String key= ds.getKey();
         final String pname= ds.getValue(String.class);
         Log.d("talha5",pname);
      }
   }

   @Override
   public void onCancelled(@NonNull DatabaseError error) {
       Log.e("color","Error: "   error.getMessage());
   }
});

Also, you need to handle onCancelled. Try to make as best practice.

UPDATE:

If you have many child. you need to separate them.

databaseReference.child("description").addValueEventListener(new ValueEventListener(){
   @Override
   public void onDataChange(@NonNull DataSnapshot snapshot) {
      for(DataSnapshot ds:snapshot.getChildren()){
         final String key= ds.getKey();
         final String pname= ds.getValue(String.class);
         Log.d("description",pname);
      }
   }

   @Override
   public void onCancelled(@NonNull DatabaseError error) {
       Log.e("description","Error: "   error.getMessage());
   }
});

Same goes to the others

databaseReference.child("pic1").addValueEventListener(new ValueEventListener(){
   @Override
   public void onDataChange(@NonNull DataSnapshot snapshot) {
      for(DataSnapshot ds:snapshot.getChildren()){
         final String key= ds.getKey();
         final String pname= ds.getValue(String.class);
         Log.d("pic1",pname);
      }
   }

   @Override
   public void onCancelled(@NonNull DatabaseError error) {
       Log.e("pic1","Error: "   error.getMessage());
   }
});