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

Example 51 with DatabaseReference

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

the class ChatActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_chat);
    mChatAddButton = (ImageButton) findViewById(R.id.chatAddButton);
    mChatSendButton = (ImageButton) findViewById(R.id.chatSendButton);
    mMessageView = (EditText) findViewById(R.id.chatMessageView);
    // -----GETING FROM INTENT----
    mChatUser = getIntent().getStringExtra("user_id");
    String userName = getIntent().getStringExtra("user_name");
    // ---SETTING ONLINE------
    mDatabaseReference = FirebaseDatabase.getInstance().getReference().child("users");
    // ----ADDING ACTION BAR-----
    ActionBar actionBar = getSupportActionBar();
    actionBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
    actionBar.setDisplayHomeAsUpEnabled(true);
    // ---INFLATING APP BAR LAYOUT INTO ACTION BAR----
    LayoutInflater inflater = (LayoutInflater) this.getSystemService(LAYOUT_INFLATER_SERVICE);
    View actionBarView = inflater.inflate(R.layout.app_bar_layout, null);
    actionBar.setCustomView(actionBarView);
    // ---ADDING DATA ON ACTION BAR----
    mUserName = (TextView) actionBarView.findViewById(R.id.textView3);
    mUserLastSeen = (TextView) actionBarView.findViewById(R.id.textView5);
    mUserImage = (CircleImageView) actionBarView.findViewById(R.id.circleImageView);
    mUserName.setText(userName);
    mRootReference = FirebaseDatabase.getInstance().getReference();
    mImageStorage = FirebaseStorage.getInstance().getReference();
    mAuth = FirebaseAuth.getInstance();
    mCurrentUserId = mAuth.getCurrentUser().getUid();
    mMessageAdapter = new MessageAdapter(messagesList);
    mMessagesList = (RecyclerView) findViewById(R.id.recycleViewMessageList);
    mSwipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.message_swipe_layout);
    mLinearLayoutManager = new LinearLayoutManager(ChatActivity.this);
    // mMessagesList.setHasFixedSize(true);
    mMessagesList.setLayoutManager(mLinearLayoutManager);
    mMessagesList.setAdapter(mMessageAdapter);
    loadMessages();
    // ----ADDING LAST SEEN-----
    mRootReference.child("users").child(mChatUser).addValueEventListener(new ValueEventListener() {

        @Override
        public void onDataChange(DataSnapshot dataSnapshot) {
            String onlineValue = dataSnapshot.child("online").getValue().toString();
            String imageValue = dataSnapshot.child("thumb_image").getValue().toString();
            Picasso.with(ChatActivity.this).load(imageValue).placeholder(R.drawable.user_img).into(mUserImage);
            if (onlineValue.equals("true")) {
                mUserLastSeen.setText("online");
            } else {
                GetTimeAgo getTimeAgo = new GetTimeAgo();
                long lastTime = Long.parseLong(onlineValue);
                String lastSeen = getTimeAgo.getTimeAgo(lastTime, getApplicationContext());
                mUserLastSeen.setText(lastSeen);
            }
        }

        @Override
        public void onCancelled(DatabaseError databaseError) {
        }
    });
    // ----ADDING SEEN OF MESSAGES----
    mRootReference.child("chats").child(mCurrentUserId).addValueEventListener(new ValueEventListener() {

        @Override
        public void onDataChange(DataSnapshot dataSnapshot) {
            if (!dataSnapshot.hasChild(mChatUser)) {
                Map chatAddMap = new HashMap();
                chatAddMap.put("seen", false);
                chatAddMap.put("time_stamp", ServerValue.TIMESTAMP);
                Map chatUserMap = new HashMap();
                chatUserMap.put("chats/" + mChatUser + "/" + mCurrentUserId, chatAddMap);
                chatUserMap.put("chats/" + mCurrentUserId + "/" + mChatUser, chatAddMap);
                mRootReference.updateChildren(chatUserMap, new DatabaseReference.CompletionListener() {

                    @Override
                    public void onComplete(DatabaseError databaseError, DatabaseReference databaseReference) {
                        if (databaseError == null) {
                            Toast.makeText(getApplicationContext(), "Successfully Added chats feature", Toast.LENGTH_SHORT).show();
                        } else
                            Toast.makeText(getApplicationContext(), "Cannot Add chats feature", Toast.LENGTH_SHORT).show();
                    }
                });
            }
        }

        @Override
        public void onCancelled(DatabaseError databaseError) {
            Toast.makeText(getApplicationContext(), "Something went wrong.. Please go back..", Toast.LENGTH_SHORT).show();
        }
    });
    // ----SEND MESSAGE--BUTTON----
    mChatSendButton.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View view) {
            String message = mMessageView.getText().toString();
            if (!TextUtils.isEmpty(message)) {
                String current_user_ref = "messages/" + mCurrentUserId + "/" + mChatUser;
                String chat_user_ref = "messages/" + mChatUser + "/" + mCurrentUserId;
                DatabaseReference user_message_push = mRootReference.child("messages").child(mCurrentUserId).child(mChatUser).push();
                String push_id = user_message_push.getKey();
                Map messageMap = new HashMap();
                messageMap.put("message", message);
                messageMap.put("seen", false);
                messageMap.put("type", "text");
                messageMap.put("time", ServerValue.TIMESTAMP);
                messageMap.put("from", mCurrentUserId);
                Map messageUserMap = new HashMap();
                messageUserMap.put(current_user_ref + "/" + push_id, messageMap);
                messageUserMap.put(chat_user_ref + "/" + push_id, messageMap);
                mRootReference.updateChildren(messageUserMap, new DatabaseReference.CompletionListener() {

                    @Override
                    public void onComplete(DatabaseError databaseError, DatabaseReference databaseReference) {
                        if (databaseError != null) {
                            Log.e("CHAT_ACTIVITY", "Cannot add message to database");
                        } else {
                            Toast.makeText(ChatActivity.this, "Message sent", Toast.LENGTH_SHORT).show();
                            mMessageView.setText("");
                        }
                    }
                });
            }
        }
    });
    /*
        //----THE WRAP CONTENT OF IMAGE VIEW IS GIVING ERROR--- SO REMOVING THIS FUNCTIONALITY-------


       mChatAddButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {

                Intent galleryIntent=new Intent();
                galleryIntent.setType("image/*");
                galleryIntent.setAction(Intent.ACTION_GET_CONTENT);
                startActivityForResult(Intent.createChooser(galleryIntent,"Select Image"),GALLERY_PICK);
            }
        });
        */
    // ----LOADING 10 MESSAGES ON SWIPE REFRESH----
    mSwipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {

        @Override
        public void onRefresh() {
            itemPos = 0;
            mCurrentPage++;
            loadMoreMessages();
            ;
        }
    });
}

Example 52 with DatabaseReference

use of com.google.firebase.database.DatabaseReference in project BORED by invent2017.

the class ShowStory method addView.

public void addView() {
    DatabaseReference mStoryRef = FirebaseDatabase.getInstance().getReference().child("stories").child(STORY_KEY).child("Views");
    mStoryRef.runTransaction(new Transaction.Handler() {

        @Override
        public Transaction.Result doTransaction(MutableData mutableData) {
            if (mutableData.getValue() != null) {
                int storyViews = mutableData.getValue(Integer.class);
                ++storyViews;
                mutableData.setValue(storyViews);
            }
            return Transaction.success(mutableData);
        }

        @Override
        public void onComplete(DatabaseError databaseError, boolean b, DataSnapshot dataSnapshot) {
        }
    });
    mDataRef.child("users").child(username).addListenerForSingleValueEvent(new ValueEventListener() {

        @Override
        public void onDataChange(DataSnapshot dataSnapshot) {
            if (!(dataSnapshot.child("ReadStories").hasChild(STORY_KEY))) {
                dataSnapshot.child("ReadStories").child(STORY_KEY).getRef().setValue(STORY_KEY);
            }
        }

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

Example 53 with DatabaseReference

use of com.google.firebase.database.DatabaseReference in project BORED by invent2017.

the class StoryFragment method addView.

public void addView() {
    DatabaseReference mStoryRef = FirebaseDatabase.getInstance().getReference().child("stories").child(storyKey).child("Views");
    mStoryRef.runTransaction(new Transaction.Handler() {

        @Override
        public Transaction.Result doTransaction(MutableData mutableData) {
            if (mutableData.getValue() != null) {
                int storyViews = mutableData.getValue(Integer.class);
                ++storyViews;
                mutableData.setValue(storyViews);
            }
            return Transaction.success(mutableData);
        }

        @Override
        public void onComplete(DatabaseError databaseError, boolean b, DataSnapshot dataSnapshot) {
        }
    });
    mDataRef.child("users").child(username).addListenerForSingleValueEvent(new ValueEventListener() {

        @Override
        public void onDataChange(DataSnapshot dataSnapshot) {
            if (!(dataSnapshot.child("ReadStories").hasChild(storyKey))) {
                dataSnapshot.child("ReadStories").child(storyKey).getRef().setValue(storyKey);
            }
        }

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

Example 54 with DatabaseReference

use of com.google.firebase.database.DatabaseReference in project Devsfolio by Madonahs.

the class PostFeedFragment method uploadImageToServer.

public void uploadImageToServer() {
    // TODO 1: Enable sending images to DataBase
    // TODO 2: ensure we get the following
    /**
     * Post post = new post();
     * post.setUsername(name);
     * post.setSomethingElse(whatever);
     * Use the setters to populate the post.
     */
    Post post = new Post(postText.getText().toString(), "Madonahs", null);
    reference.push().setValue(post, new DatabaseReference.CompletionListener() {

        @Override
        public void onComplete(DatabaseError databaseError, DatabaseReference dataReference) {
            // String error = databaseError.toString();
            if (databaseError != null) {
                String error = databaseError.toString();
            }
        // Log.i("Firebase Debug", "The error is: " + databaseError.toString());
        }
    });
    postText.setText("");
    Toast.makeText(getContext(), "Sending Feeds", Toast.LENGTH_SHORT).show();
}

Example 55 with DatabaseReference

use of com.google.firebase.database.DatabaseReference in project iosched by google.

the class RegistrationEndpoint method registrationStatus.

@ApiMethod(path = "status", httpMethod = ApiMethod.HttpMethod.GET)
public RegistrationResult registrationStatus(ServletContext context, @Named("firebaseUserToken") String firebaseUserToken) throws IOException, ForbiddenException, ExecutionException, InterruptedException, InternalServerErrorException {
    String databaseUrl = context.getInitParameter("databaseUrl");
    LOG.info("databaseUrl: " + databaseUrl);
    String serviceAccountKey = context.getInitParameter("accountKey");
    LOG.info("accountKey: " + serviceAccountKey);
    InputStream serviceAccount = context.getResourceAsStream(serviceAccountKey);
    LOG.info("serviceAccount: " + serviceAccount);
    firebaseWrapper.initFirebase(databaseUrl, serviceAccount);
    firebaseWrapper.authenticateFirebaseUser(firebaseUserToken);
    if (!firebaseWrapper.isUserAuthenticated()) {
        throw new ForbiddenException("Not authenticated");
    }
    boolean isRegistered = isUserRegistered(context);
    final TaskCompletionSource<Boolean> isRegisteredTCS = new TaskCompletionSource<>();
    final Task<Boolean> isRegisteredTCSTask = isRegisteredTCS.getTask();
    // Update the user registration state in the Real-time Database.
    DatabaseReference dbRef = firebaseWrapper.getDatabaseReference();
    int rtdbRetries = 0;
    while (rtdbRetries < RTDB_RETRY_LIMIT) {
        dbRef.child("users").child(firebaseWrapper.getUserId()).setValue(isRegistered).addOnCompleteListener(new OnCompleteListener<Void>() {

            @Override
            public void onComplete(Task<Void> task) {
                if (task.isSuccessful()) {
                    isRegisteredTCS.setResult(true);
                } else {
                    isRegisteredTCS.setResult(false);
                }
            }
        });
        // If writing to RTDB was successful break out.
        if (Tasks.await(isRegisteredTCSTask)) {
            break;
        }
        LOG.info("Writing to RTDB has failed.");
        rtdbRetries++;
    }
    // indeed registered.
    if (rtdbRetries >= RTDB_RETRY_LIMIT) {
        throw new InternalServerErrorException("Unable to write registration status to RTDB.");
    } else {
        // Return the user registration state.
        return new RegistrationResult(isRegistered);
    }
}