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

Example 1 with DatabaseError

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

the class ChatActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_chat);
    mAuth = FirebaseAuth.getInstance();
    mAuth.addAuthStateListener(this);
    mSendButton = (Button) findViewById(R.id.sendButton);
    mMessageEdit = (EditText) findViewById(R.id.messageEdit);
    mEmptyListMessage = (TextView) findViewById(R.id.emptyTextView);
    mRef = FirebaseDatabase.getInstance().getReference();
    mChatRef = mRef.child("chats");
    mSendButton.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            String uid = mAuth.getCurrentUser().getUid();
            String name = "User " + uid.substring(0, 6);
            Chat chat = new Chat(name, mMessageEdit.getText().toString(), uid);
            mChatRef.push().setValue(chat, new DatabaseReference.CompletionListener() {

                @Override
                public void onComplete(DatabaseError error, DatabaseReference reference) {
                    if (error != null) {
                        Log.e(TAG, "Failed to write message", error.toException());
                    }
                }
            });
            mMessageEdit.setText("");
        }
    });
    mManager = new LinearLayoutManager(this);
    mManager.setReverseLayout(false);
    mMessages = (RecyclerView) findViewById(R.id.messagesList);
    mMessages.setHasFixedSize(false);
    mMessages.setLayoutManager(mManager);
}

Example 2 with DatabaseError

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

the class TestUtils method runAndWaitUntil.

public static void runAndWaitUntil(FirebaseArray array, Runnable task, Callable<Boolean> done) throws InterruptedException {
    final Semaphore semaphore = new Semaphore(0);
    array.setOnChangedListener(new ChangeEventListener() {

        @Override
        public void onChildChanged(ChangeEventListener.EventType type, int index, int oldIndex) {
            semaphore.release();
        }

        @Override
        public void onDataChanged() {
        }

        @Override
        public void onCancelled(DatabaseError error) {
            throw new IllegalStateException(error.toException());
        }
    });
    task.run();
    boolean isDone = false;
    long startedAt = System.currentTimeMillis();
    while (!isDone && System.currentTimeMillis() - startedAt < TIMEOUT) {
        semaphore.tryAcquire(1, TimeUnit.SECONDS);
        try {
            isDone = done.call();
        } catch (Exception e) {
            e.printStackTrace();
        // and we're not done
        }
    }
    assertTrue("Timed out waiting for expected results on FirebaseArray", isDone);
    array.setOnChangedListener(null);
}

Example 3 with DatabaseError

use of com.google.firebase.database.DatabaseError in project quickstart-android by firebase.

the class PostDetailActivity method postComment.

private void postComment() {
    final String uid = getUid();
    FirebaseDatabase.getInstance().getReference().child("users").child(uid).addListenerForSingleValueEvent(new ValueEventListener() {

        @Override
        public void onDataChange(DataSnapshot dataSnapshot) {
            // Get user information
            User user = dataSnapshot.getValue(User.class);
            String authorName = user.username;
            // Create new comment object
            String commentText = mCommentField.getText().toString();
            Comment comment = new Comment(uid, authorName, commentText);
            // Push the comment, it will appear in the list
            mCommentsReference.push().setValue(comment);
            // Clear the field
            mCommentField.setText(null);
        }

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

Example 4 with DatabaseError

use of com.google.firebase.database.DatabaseError in project SocialRec by Jkuras.

the class MainActivity method setUser.

/*
    This function sets the database to reference the current users User profile info
    When it is called, a data listener is set to the corrent db reference, and
    if there is indeed a user signed in, it will set the variable mUser equal to their
    user information.
     */
public void setUser() {
    if (mAuth.getCurrentUser() != null) {
        mfirebaseUser = mAuth.getCurrentUser();
        mDataBase = FirebaseDatabase.getInstance();
        mref = mDataBase.getReference("users/" + mfirebaseUser.getUid());
        ValueEventListener postListener = new ValueEventListener() {

            @Override
            public void onDataChange(DataSnapshot dataSnapshot) {
                mUser = dataSnapshot.getValue(User.class);
            }

            @Override
            public void onCancelled(DatabaseError databaseError) {
                // Getting Post failed, log a message
                Log.w(TAG, "loadPost:onCancelled", databaseError.toException());
            // ...
            }
        };
        mref.addValueEventListener(postListener);
    }
}

Example 5 with DatabaseError

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

the class PayExpenseActivity method payDebtForExpense.

//money = cifra che ho a disposizione per ripianare i debiti
void payDebtForExpense(final String userID, final String expenseID, Double money) {
    myMoney = money;
    databaseReference.child("expenses").child(expenseID).addListenerForSingleValueEvent(new ValueEventListener() {

        @Override
        public void onDataChange(DataSnapshot dataSnapshot) {
            String creatorID = dataSnapshot.child("creatorID").getValue(String.class);
            Double alreadyPaidByCreator = dataSnapshot.child("participants").child(creatorID).child("alreadyPaid").getValue(Double.class);
            //dice se user contribuisce o no a quella spesa
            Boolean involved = false;
            for (DataSnapshot participantSnapshot : dataSnapshot.child("participants").getChildren()) {
                //todo poi gestire caso in cui utente viene tolto dai participant alla spesa
                if (participantSnapshot.getKey().equals(userID))
                    involved = true;
            }
            //se user ha partecipato alla spesa
            if (involved) {
                //alreadyPaid = soldi già messi dallo user per quella spesa
                //dueImport = quota che user deve mettere per quella spesa
                Double alreadyPaid = dataSnapshot.child("participants").child(userID).child("alreadyPaid").getValue(Double.class);
                Log.d(TAG, "Fraction: " + Double.parseDouble(String.valueOf(dataSnapshot.child("participants").child(userID).child("fraction").getValue())));
                Double amount = dataSnapshot.child("amount").getValue(Double.class);
                Double dueImport = Double.parseDouble(String.valueOf(dataSnapshot.child("participants").child(userID).child("fraction").getValue())) * amount;
                Double stillToPay = dueImport - alreadyPaid;
                //Se questa spesa non è già stata ripagata in toto
                if (stillToPay > 0) {
                    //Se ho ancora abbastanza soldi per ripagare in toto questa spesa, la ripago in toto AL CREATOR!!
                    if (myMoney >= stillToPay) {
                        //Quota già pagata DA ME per questa spesa aumenta
                        databaseReference.child("expenses").child(expenseID).child("participants").child(userID).child("alreadyPaid").setValue(dueImport);
                        //Quota già pagata DAL CREATOR per questa spesa diminuisce, perchè gli sto dando dei soldi
                        databaseReference.child("expenses").child(expenseID).child("participants").child(creatorID).child("alreadyPaid").setValue(alreadyPaidByCreator - stillToPay);
                        //Adesso ho meno soldi a disposizione, perchè li ho usati in parte per ripagare questa spesa
                        myMoney -= stillToPay;
                    } else //Altrimenti la ripago solo in parte
                    {
                        databaseReference.child("expenses").child(expenseID).child("participants").child(userID).child("alreadyPaid").setValue(alreadyPaid + myMoney);
                        databaseReference.child("expenses").child(expenseID).child("participants").child(creatorID).child("alreadyPaid").setValue(alreadyPaidByCreator - myMoney);
                        myMoney = 0d;
                    }
                }
            }
        }

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