Examples with Query com.google.firebase.database.Query used on opensource projects

Example 1 with Query

use of com.google.firebase.database.Query in project FirebaseUI-Android by firebase.

the class FirebaseIndexArray method onChildAdded.

@Override
public void onChildAdded(DataSnapshot keySnapshot, String previousChildKey) {
    super.setOnChangedListener(null);
    super.onChildAdded(keySnapshot, previousChildKey);
    super.setOnChangedListener(mListener);
    Query ref = mQuery.getRef().child(keySnapshot.getKey());
    mRefs.put(ref, ref.addValueEventListener(new DataRefListener()));
}

Example 2 with Query

use of com.google.firebase.database.Query in project OnlineCanteen by josephgunawan97.

the class SalesReportAdapter method updateStatus.

public void updateStatus(Long date) {
    // Update status
    DatabaseReference ref = FirebaseDatabase.getInstance().getReference("salesreportrequest");
    Query query = ref.orderByChild("requestdate").equalTo(date);
    query.addListenerForSingleValueEvent(new ValueEventListener() {

        @Override
        public void onDataChange(DataSnapshot snapshot) {
            for (DataSnapshot child : snapshot.getChildren()) {
                child.getRef().child("requeststatus").setValue(1);
            }
        }

        @Override
        public void onCancelled(DatabaseError databaseError) {
        }
    });
}

Example 3 with Query

use of com.google.firebase.database.Query in project OnlineCanteen by josephgunawan97.

the class DeleteProductFragment method deleteProduct.

public void deleteProduct() {
    Query data;
    for (int i = 0; i < deleteAdapter.getItemCount(); i++) {
        data = databaseProducts.orderByChild("name").equalTo(productArrayList.get(i).getName());
        final Product product2 = productArrayList.get(i);
        data.addListenerForSingleValueEvent(new ValueEventListener() {

            @Override
            public void onDataChange(DataSnapshot dataSnapshot) {
                for (DataSnapshot productSnapshot : dataSnapshot.getChildren()) {
                    if (merchant.getUid().equals(product2.getTokoId()) && product2.isChecked())
                        productSnapshot.getRef().removeValue();
                }
            }

            @Override
            public void onCancelled(DatabaseError databaseError) {
            }
        });
    }
}

Example 4 with Query

use of com.google.firebase.database.Query in project Grupp by tmoronta1208.

the class UserSearchActivity method searchUser.

private void searchUser(String query) {
    Query userSearchQuery;
    if (query.contains("@")) {
        userSearchQuery = searchUserRef.orderByChild("email").startAt(query).endAt(query + "\uf8ff");
    } else {
        userSearchQuery = searchUserRef.orderByChild("first_name").startAt(query).endAt(query + "\uf8ff");
    }
    FirebaseRecyclerAdapter<PublicUser, UserSearchViewHolder> contactsListAdapter = new FirebaseRecyclerAdapter<PublicUser, UserSearchViewHolder>(PublicUser.class, R.layout.add_contact_itemview, UserSearchViewHolder.class, userSearchQuery) {

        @Override
        protected void populateViewHolder(final UserSearchViewHolder viewHolder, final PublicUser model, int position) {
            final String contactID = getRef(position).getKey();
            final String email = model.getEmail();
            final String first = model.getFirst_name();
            final String last = model.getLast_name();
            final String icon = model.getUser_icon().getIcon_url();
            final String zipCode = model.getZip_code();
            // final int radius = model.getRadius();
            viewHolder.setEmail(email);
            viewHolder.setFullName(first, last);
            viewHolder.setIcon(icon);
            viewHolder.addContactButton.setOnClickListener(new View.OnClickListener() {

                @Override
                public void onClick(View v) {
                    String radiusString = "20";
                    addToContactList(contactID, viewHolder.addContactButton, first, last, email, icon, radiusString, zipCode);
                }
            });
        }
    };
    searchContactsRecyclerView.setAdapter(contactsListAdapter);
}

Example 5 with Query

use of com.google.firebase.database.Query in project Lets-Chat by kshitiz1007.

the class ChatActivity method loadMoreMessages.

// ---ON REFRESHING 10 MORE MESSAGES WILL LOAD----
private void loadMoreMessages() {
    DatabaseReference messageRef = mRootReference.child("messages").child(mCurrentUserId).child(mChatUser);
    Query messageQuery = messageRef.orderByKey().endAt(mLastKey).limitToLast(10);
    messageQuery.addChildEventListener(new ChildEventListener() {

        @Override
        public void onChildAdded(DataSnapshot dataSnapshot, String s) {
            Messages message = (Messages) dataSnapshot.getValue(Messages.class);
            String messageKey = dataSnapshot.getKey();
            if (!mPrevKey.equals(messageKey)) {
                messagesList.add(itemPos++, message);
            } else {
                mPrevKey = mLastKey;
            }
            if (itemPos == 1) {
                String mMessageKey = dataSnapshot.getKey();
                mLastKey = mMessageKey;
            }
            mMessageAdapter.notifyDataSetChanged();
            mSwipeRefreshLayout.setRefreshing(false);
            mLinearLayoutManager.scrollToPositionWithOffset(10, 0);
        }

        @Override
        public void onChildChanged(DataSnapshot dataSnapshot, String s) {
        }

        @Override
        public void onChildRemoved(DataSnapshot dataSnapshot) {
        }

        @Override
        public void onChildMoved(DataSnapshot dataSnapshot, String s) {
        }

        @Override
        public void onCancelled(DatabaseError databaseError) {
        }
    });
}