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

Example 16 with DataSnapshot

use of com.google.firebase.database.DataSnapshot in project iNGAGE by davis123123.

the class ChatActivity method removeUpvote.

@Override
public void removeUpvote(int p) {
    ChatMessageHelper chatMessageHelper = (ChatMessageHelper) chatAdapter.getItem(p);
    String chat_key = chatMessageHelper.getMessageID();
    DatabaseReference message_root = root.child(chat_key);
    //get upvote data
    DatabaseReference upvote_count = message_root.child("upvotes");
    upvote_count.runTransaction(new Transaction.Handler() {

        @Override
        public Transaction.Result doTransaction(MutableData currentData) {
            Log.d("Data", String.valueOf(currentData));
            if (currentData.getValue() == null) {
                currentData.setValue(0);
            } else {
                currentData.setValue((Long) currentData.getValue() - 1);
            }
            //we can also abort by calling Transaction.abort()
            return Transaction.success(currentData);
        }

        //TODO:Error handle here
        @Override
        public void onComplete(DatabaseError databaseError, boolean b, DataSnapshot dataSnapshot) {
        }
    });
}

Example 17 with DataSnapshot

use of com.google.firebase.database.DataSnapshot in project iNGAGE by davis123123.

the class ChatActivity method onDownvoteClick.

@Override
public void onDownvoteClick(int p) {
    //Log.d("vote" , "down : ");
    ChatMessageHelper chatMessageHelper = (ChatMessageHelper) chatAdapter.getItem(p);
    String chat_key = chatMessageHelper.getMessageID();
    DatabaseReference message_root = root.child(chat_key);
    //get upvote data
    DatabaseReference downvote_count = message_root.child("downvotes");
    downvote_count.runTransaction(new Transaction.Handler() {

        @Override
        public Transaction.Result doTransaction(MutableData currentData) {
            Log.d("Data", String.valueOf(currentData));
            if (currentData.getValue() == null) {
                currentData.setValue(1);
            } else {
                currentData.setValue((Long) currentData.getValue() + 1);
            }
            //we can also abort by calling Transaction.abort()
            return Transaction.success(currentData);
        }

        //TODO:Error handle here
        @Override
        public void onComplete(DatabaseError databaseError, boolean b, DataSnapshot dataSnapshot) {
        }
    });
}

Example 18 with DataSnapshot

use of com.google.firebase.database.DataSnapshot in project iNGAGE by davis123123.

the class ChatActivity method appendChatConversation.

private void appendChatConversation(DataSnapshot dataSnapshot) {
    Iterator i = dataSnapshot.getChildren().iterator();
    while (i.hasNext()) {
        chat_id = dataSnapshot.getKey();
        Log.d("STATE", "result : " + chat_id);
        chat_msg = (String) ((DataSnapshot) i.next()).getValue();
        chat_side = (String) ((DataSnapshot) i.next()).getValue();
        chat_timestamp = (String) ((DataSnapshot) i.next()).getValue();
        chat_username = (String) ((DataSnapshot) i.next()).getValue();
        chat_downvote = (Long) ((DataSnapshot) i.next()).getValue();
        chat_upvote = (Long) ((DataSnapshot) i.next()).getValue();
        ChatMessageHelper msg = new ChatMessageHelper(chat_id, chat_side, chat_msg, chat_username, chat_upvote, chat_downvote, chat_timestamp);
        chatAdapter.add(msg);
    }
    chatAdapter.notifyDataSetChanged();
    recyclerView.scrollToPosition(chatAdapter.getItemCount() - 1);
}

Example 19 with DataSnapshot

use of com.google.firebase.database.DataSnapshot in project MadMax by deviz92.

the class FriendsFragment method onCreateView.

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    final String activityName = getActivity().getClass().getSimpleName();
    Log.d(TAG, "Sono nella activity: " + activityName);
    final View view = inflater.inflate(R.layout.skeleton_list, container, false);
    databaseReference = FirebaseDatabase.getInstance().getReference();
    friends.clear();
    setInterface((OnItemClickInterface) getActivity(), (OnItemLongClickInterface) getActivity());
    RecyclerView.ItemDecoration divider = new InsetDivider.Builder(getContext()).orientation(InsetDivider.VERTICAL_LIST).dividerHeight(getResources().getDimensionPixelSize(R.dimen.divider_height)).color(ContextCompat.getColor(getContext(), R.color.colorDivider)).insets(getResources().getDimensionPixelSize(R.dimen.divider_inset), 0).overlay(true).build();
    recyclerView = (RecyclerView) view.findViewById(R.id.rv_skeleton);
    layoutManager = new LinearLayoutManager(getActivity(), LinearLayoutManager.VERTICAL, false);
    recyclerView.setLayoutManager(layoutManager);
    recyclerView.addItemDecoration(divider);
    friendsViewAdapter = new FriendsViewAdapter(this.getContext(), this, this, friends);
    recyclerView.setAdapter(friendsViewAdapter);
    //Se sono in MainActivity visualizzo lista degli amici
    if (activityName.equals("MainActivity")) {
        query = databaseReference.child("users").child(MainActivity.getCurrentUser().getID()).child("friends");
    } else //Se sono dentro un gruppo, visualizzo lista membri del gruppo
    if (activityName.equals("GroupDetailActivity")) {
        Bundle b = this.getArguments();
        if (b != null) {
            groupID = b.getString("groupID");
            query = databaseReference.child("groups").child(groupID).child("members");
        }
    }
    Log.d(TAG, "query: " + query);
    groupMembersListener = query.addValueEventListener(new ValueEventListener() {

        @Override
        public void onDataChange(final DataSnapshot externalDataSnapshot) {
            for (final DataSnapshot friendSnapshot : externalDataSnapshot.getChildren()) {
                //getFriend(friendSnapshot.getKey());
                Boolean deleted = true;
                if (activityName.equals("MainActivity")) {
                    Log.d(TAG, "key: " + friendSnapshot.getKey());
                    Log.d(TAG, "value: " + friendSnapshot.getValue());
                    if (!listenedFriends)
                        listenedFriends = true;
                    Log.d(TAG, friendSnapshot.child("deleted").getValue() + " ");
                    deleted = friendSnapshot.child("deleted").getValue(Boolean.class);
                    if (deleted != null) {
                    //deleted  = friendSnapshot.child("deleted").getValue().equals(true);
                    }
                } else if (activityName.equals("GroupDetailActivity")) {
                    deleted = friendSnapshot.child("deleted").getValue().equals(true);
                    //Se sono negli amici "generali" e non nei membri di un gruppo, non c'è il campo deleted, quindi sarà null
                    if (!listenedGroups.contains(groupID))
                        listenedGroups.add(groupID);
                }
                final String id = friendSnapshot.getKey();
                final Boolean finalDeleted = deleted;
                databaseReference.child("users").child(id).addValueEventListener(new ValueEventListener() {

                    @Override
                    public void onDataChange(DataSnapshot dataSnapshot) {
                        String name = dataSnapshot.child("name").getValue(String.class);
                        String surname = dataSnapshot.child("surname").getValue(String.class);
                        String profileImage = dataSnapshot.child("image").getValue(String.class);
                        if (activityName.equals("MainActivity")) {
                            User u = new User();
                            u.setID(friendSnapshot.getKey());
                            u.setName(name);
                            u.setSurname(surname);
                            u.setProfileImage(profileImage);
                            if (!finalDeleted)
                                friends.put(id, u);
                            else
                                friends.remove(id);
                            friendsViewAdapter.update(friends);
                            friendsViewAdapter.notifyDataSetChanged();
                        } else if (activityName.equals("GroupDetailActivity")) {
                            getUserAndGroupBalance(id, name, surname, profileImage, groupID);
                        }
                    }

                    @Override
                    public void onCancelled(DatabaseError databaseError) {
                    }
                });
            }
            friendsViewAdapter.update(friends);
        }

        @Override
        public void onCancelled(DatabaseError databaseError) {
            Log.w(TAG, databaseError.getMessage());
        }
    });
    Log.d(TAG, "dopo setAdapter");
    return view;
}

Example 20 with DataSnapshot

use of com.google.firebase.database.DataSnapshot in project MadMax by deviz92.

the class FriendDetailActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_friend_detail);
    Log.d(TAG, "onCreate di FriendDetailActivity");
    //ID dell'amico di cui sto guardando il dettaglio
    Intent intent = getIntent();
    friendID = intent.getStringExtra("friendID");
    userID = intent.getStringExtra("userID");
    toolbar = (Toolbar) findViewById(R.id.fd_toolbar);
    setSupportActionBar(toolbar);
    toolbar.setBackgroundColor(0x0000FF00);
    // Get a support ActionBar corresponding to this toolbar
    ActionBar ab = getSupportActionBar();
    // Enable the Up button
    ab.setDisplayHomeAsUpEnabled(true);
    //Set data of upper part of Activity
    imageView = (ImageView) findViewById(R.id.img_photo);
    nameTextView = (TextView) findViewById(R.id.tv_friend_name);
    balanceTextView = (TextView) findViewById(R.id.tv_balance);
    balanceTextTextView = (TextView) findViewById(R.id.tv_balance_text);
    RecyclerView.ItemDecoration divider = new InsetDivider.Builder(getApplicationContext()).orientation(InsetDivider.VERTICAL_LIST).dividerHeight(getResources().getDimensionPixelSize(R.dimen.divider_height)).color(ContextCompat.getColor(getApplicationContext(), R.color.colorDivider)).insets(getResources().getDimensionPixelSize(R.dimen.divider_inset), 0).overlay(true).build();
    recyclerView = (RecyclerView) findViewById(R.id.rv_skeleton);
    layoutManager = new LinearLayoutManager(getApplicationContext(), LinearLayoutManager.VERTICAL, false);
    recyclerView.setLayoutManager(layoutManager);
    recyclerView.addItemDecoration(divider);
    groupsViewAdapter = new GroupsViewAdapter(getApplicationContext(), this, this, groups, FriendDetailActivity.TAG);
    recyclerView.setAdapter(groupsViewAdapter);
    //Show data of friend
    databaseReference.child("users").child(friendID).addListenerForSingleValueEvent(new ValueEventListener() {

        @Override
        public void onDataChange(DataSnapshot dataSnapshot) {
            String name = dataSnapshot.child("name").getValue(String.class);
            String surname = dataSnapshot.child("surname").getValue(String.class);
            nameTextView.setText(name + " " + surname);
            if (!dataSnapshot.child("image").getValue(String.class).equals("")) {
            //                    imageView.setImageURI(dataSnapshot.child("image").getValue(String.class));
            }
        }

        @Override
        public void onCancelled(DatabaseError databaseError) {
        }
    });
    Log.d(TAG, "Populated all the above data");
    if (findViewById(R.id.collapsed_content) != null) {
        Bundle bundle = new Bundle();
        bundle.putString("friendID", friendID);
        Log.d(TAG, friendID);
        BarDetailFragment barDetailFragment = new BarDetailFragment();
        barDetailFragment.setArguments(bundle);
        getSupportFragmentManager().beginTransaction().replace(R.id.collapsed_content, barDetailFragment).commit();
        DetailFragment detailFragment = new DetailFragment();
        detailFragment.setArguments(bundle);
        getSupportFragmentManager().beginTransaction().replace(R.id.main, detailFragment).commit();
    }
    //Show shared groups
    databaseReference.child("users").child(MainActivity.getCurrentUser().getID()).child("friends").child(friendID).child("sharedGroups").addListenerForSingleValueEvent(new ValueEventListener() {

        @Override
        public void onDataChange(DataSnapshot dataSnapshot) {
            for (DataSnapshot sharedGroupSnapshot : dataSnapshot.getChildren()) {
                FirebaseUtils.getInstance().getGroup(sharedGroupSnapshot.getKey(), groups, groupsViewAdapter);
            }
        }

        @Override
        public void onCancelled(DatabaseError databaseError) {
            Log.w(TAG, databaseError.toException());
        }
    });
}