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

Example 56 with DataSnapshot

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

the class NewMemberActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    Log.d(TAG, "onCreate di NewMemeberAcitivity");
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_new_member);
    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    buttonInvite = (Button) findViewById(R.id.btn_new_friend);
    Intent intent = getIntent();
    groupID = intent.getStringExtra("groupID");
    groupName = intent.getStringExtra("groupName");
    Log.d(TAG, groupID);
    friendsListView = (ListView) findViewById(R.id.lv_friends);
    friendsAdapter = new HashMapFriendsAdapter(friends);
    addedFriendsListView = (ListView) findViewById(R.id.lv_added_members);
    addedAdapter = new HashMapFriendsAdapter(alreadySelected);
    addedFriendsListView.setAdapter(addedAdapter);
    databaseReference.child("users").child(MainActivity.getCurrentUID()).child("friends").addListenerForSingleValueEvent(new ValueEventListener() {

        @Override
        public void onDataChange(DataSnapshot dataSnapshot) {
            Boolean alreadyAdded = false;
            for (DataSnapshot friendSnapshot : dataSnapshot.getChildren()) {
                if (friendSnapshot.hasChild("sharedGroups")) {
                    if (friendSnapshot.child("sharedGroups").hasChild(groupID)) {
                        alreadyAdded = friendSnapshot.child("sharedGroups").child(groupID).getValue(Boolean.class);
                    }
                }
                // se sono già nel gruppo => vengono inseriti nell'addedAdapter
                if (alreadyAdded) {
                    FirebaseUtils.getInstance().getFriendInviteToGroup(friendSnapshot.getKey(), groupID, alreadySelected, addedAdapter);
                } else // altrimenti vengono inseriti nella lista friendsAdapter degli amici disponibili
                {
                    FirebaseUtils.getInstance().getFriendInviteToGroup(friendSnapshot.getKey(), "", friends, friendsAdapter);
                }
            }
            friendsListView.setAdapter(friendsAdapter);
            addedFriendsListView.setAdapter(addedAdapter);
        }

        @Override
        public void onCancelled(DatabaseError databaseError) {
            Log.w(TAG, databaseError.getMessage());
        }
    });
    // When i click on one friend of the list
    friendsListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {

        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            User item = friendsAdapter.getItem(position).getValue();
            friends.remove(item.getID());
            friendsAdapter.update(friends);
            friendsAdapter.notifyDataSetChanged();
            alreadySelected.put(item.getID(), item);
            addedAdapter.update(alreadySelected);
            addedAdapter.notifyDataSetChanged();
        }
    });
    // When i click on one added friend of the list
    addedFriendsListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {

        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            User item = addedAdapter.getItem(position).getValue();
            alreadySelected.remove(item.getID());
            addedAdapter.update(alreadySelected);
            addedAdapter.notifyDataSetChanged();
            friends.put(item.getID(), item);
            friendsAdapter.update(friends);
            friendsAdapter.notifyDataSetChanged();
        }
    });
    buttonInvite.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            Log.d(TAG, "button clicked");
            Log.d(TAG, "invite a member to join the group");
            // String deepLink = getString(R.string.invitation_deep_link) + "?groupToBeAddedID=" + groupID+ "?inviterToGroupUID=" + MainActivity.getCurrentUID();
            Uri.Builder builder = Uri.parse(getString(R.string.invitation_deep_link)).buildUpon().appendQueryParameter("groupToBeAddedID", groupID).appendQueryParameter("inviterID", MainActivity.getCurrentUID());
            Intent intent = new AppInviteInvitation.IntentBuilder(getString(R.string.invitation_title)).setDeepLink(builder.build()).setMessage(// .setCustomImage(Uri.parse(getString(R.string.invitation_custom_image)))
            getString(R.string.invitationToGroup_message)).setCallToActionText(// todo vedere perchè non mostra questo link
            getString(R.string.invitationToGroup)).build();
            startActivityForResult(intent, MainActivity.REQUEST_INVITE_GROUP);
        }
    });
}

Example 57 with DataSnapshot

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

the class User method addFriend.

public void addFriend(final String friendID) {
    final DatabaseReference databaseReference = FirebaseUtils.getDatabaseReference();
    final DatabaseReference usersRef = databaseReference.child("users");
    final DatabaseReference groupsRef = databaseReference.child("groups");
    final String currentUID = this.getID();
    // getting friend data from db
    DatabaseReference friendRef = usersRef.child(friendID);
    User friend = new User(friendID, friendRef.child("username").toString(), friendRef.child("name").toString(), friendRef.child("surname").toString(), friendRef.child("email").toString(), friendRef.child("profileImage").toString());
    // Add friendID to friend list of currentUID
    // add friend to current user local HashMap
    this.userFriends.put(friendID, friend);
    usersRef.child(currentUID).child("friends").push();
    usersRef.child(currentUID).child("friends").child(friendID).child("deleted").setValue(false);
    // Add currentUID to friend list of friendID
    usersRef.child(friendID).child("friends").push();
    usersRef.child(friendID).child("friends").child(currentUID).child("deleted").setValue(false);
    // Read groups currentUID belongs to
    Query query = databaseReference.child("users").child(currentUID).child("groups");
    query.addListenerForSingleValueEvent(new ValueEventListener() {

        @Override
        public void onDataChange(DataSnapshot dataSnapshot) {
            final ArrayList<String> u1Groups = new ArrayList<String>();
            for (DataSnapshot groupSnapshot : dataSnapshot.getChildren()) {
                Log.d(TAG, groupSnapshot.getKey() + " : " + groupSnapshot.getValue());
                if (groupSnapshot.getValue(Boolean.class))
                    u1Groups.add(groupSnapshot.getKey());
            }
            Query query = databaseReference.child("users").child(friendID).child("groups");
            query.addListenerForSingleValueEvent(new ValueEventListener() {

                @Override
                public void onDataChange(DataSnapshot dataSnapshot) {
                    ArrayList<String> sharedGroups = new ArrayList<String>();
                    for (DataSnapshot groupSnapshot : dataSnapshot.getChildren()) {
                        if (u1Groups.contains(groupSnapshot.getKey()) && groupSnapshot.getValue(Boolean.class))
                            sharedGroups.add(groupSnapshot.getKey());
                    }
                    final HashMap<String, Group> groups = new HashMap<>();
                    // ora in sharedGroups ci sono solo i gruppi di cui fanno parte entrambi gli utenti
                    for (String groupID : sharedGroups) {
                        // getting group data from db
                        DatabaseReference groupRef = groupsRef.child(groupID);
                        Group group = new Group(groupID, groupRef.child("name").toString(), groupRef.child("image").toString(), groupRef.child("description").toString(), Integer.parseInt(groupRef.child("numberMembers").toString()));
                        groups.put(friendID, group);
                        usersRef.child(currentUID).child("friends").child(friendID).child(groupID).setValue(true);
                        usersRef.child(friendID).child("friends").child(currentUID).child(groupID).setValue(true);
                    }
                    // add shared groups to local sharedGroupPerFriend HashMap
                    sharedGroupPerFriend.put(friendID, groups);
                }

                @Override
                public void onCancelled(DatabaseError databaseError) {
                    Log.w("addFriendFirebase", databaseError.getMessage());
                }
            });
        }

        @Override
        public void onCancelled(DatabaseError databaseError) {
            Log.w("addFriendFirebase", databaseError.getMessage());
        }
    });
}

Example 58 with DataSnapshot

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

the class ChatActivity method onUpvoteClick.

//modify unblock functions here
@Override
public void onUpvoteClick(int p) {
    //Log.d("vote" , "up : ");
    //get correct chat msg with ith key from chatmessage helper
    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(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 59 with DataSnapshot

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

the class ChatFragment method onUpvoteClick.

@Override
public void onUpvoteClick(int p) {
    // Log.d("vote" , "up : ");
    // get correct chat msg with ith key from chatmessage helper
    ChatMessageHelper chatMessageHelper = (ChatMessageHelper) chatAdapter.getItem(p);
    String chat_key = chatMessageHelper.getMessageID();
    DatabaseReference message_root = currPageData.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(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 60 with DataSnapshot

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

the class ChatFragment method updateChatConversation.

private void updateChatConversation(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();
        // gets previous msg of user's vote status
        ChatMessageHelper msgId = (ChatMessageHelper) chatAdapter.getItemFromID(chat_id);
        String chat_userVote = msgId.getUserVote();
        Log.d("USERVOTE", "result : " + chat_userVote);
        ChatMessageHelper msg = new ChatMessageHelper(chat_id, chat_side, chat_msg, chat_username, chat_upvote, chat_downvote, chat_timestamp, chat_userVote);
        chatAdapter.update(msg, chat_id, true);
    // chatAdapter.notifyDataSetChanged();
    }
}