Java Code Examples for com.google.firebase.firestore.FirebaseFirestore#getInstance()

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_events);

    uid = FirebaseAuth.getInstance().getCurrentUser().getUid();
    db = FirebaseFirestore.getInstance();

    // loading
    events.add(new EventRVIndefiniteProgressBar());
    eventIdMap = new HashMap<>();

    // set up recycler view
    recyclerView = (RecyclerView)findViewById(R.id.events_recycler_view);
    viewManager = new LinearLayoutManager(this);
    viewAdapter = new EventsRVAdaptor(events);

    recyclerView.setHasFixedSize(true);
    recyclerView.setLayoutManager(viewManager);
    recyclerView.setAdapter(viewAdapter);

    loadEvents();

}
 

public MapPresenter(Context context, V view, S state) {
    mContext = context.getApplicationContext() == null ? context : context.getApplicationContext();
    mView = view;
    mState = state;
    mapPadding = mContext.getResources().getDimensionPixelSize(R.dimen.map_padding);

    Places.initialize(mContext, MainActivity.GOOGLE_API_KEY);

    mapConfig = MapUtils.getBuilder(context).build();

    hyperTrackViews = HyperTrackViews.getInstance(mContext, HyperTrackUtils.getPubKey(context));
    locationManager = (LocationManager) mContext.getSystemService(Context.LOCATION_SERVICE);
    db = FirebaseFirestore.getInstance();

    List<Place.Field> fields = Arrays.asList(
            Place.Field.ID, Place.Field.NAME, Place.Field.LAT_LNG,
            Place.Field.ADDRESS, Place.Field.ADDRESS_COMPONENTS
    );
    autocompleteIntentBuilder = new Autocomplete.IntentBuilder(
            AutocompleteActivityMode.OVERLAY, fields);
}
 

public static void init() {
    instance = new ConversationManager();

    instance.uid = FirebaseAuth.getInstance().getCurrentUser().getUid();
    instance.db = FirebaseFirestore.getInstance();

    instance.listenPrivateConv();
    instance.listenGroupConv();
}
 

@NonNull
@Override
public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
    FirebaseAuth mAuth = FirebaseAuth.getInstance();
    mFirestore = FirebaseFirestore.getInstance();
    mCurrentUser = mAuth.getCurrentUser();
    View view= LayoutInflater.from(context).inflate(R.layout.item_feed_post,parent,false);
    return new ViewHolder(view);
}
 

@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_firestore_paging);
    ButterKnife.bind(this);

    mFirestore = FirebaseFirestore.getInstance();
    mItemsCollection = mFirestore.collection("items");

    setUpAdapter();
}
 

@Test
public void setShouldTriggerListenerWithNewlySetData() throws Exception {
  FirebaseAuth auth = FirebaseAuth.getInstance();
  FirebaseFirestore firestore = FirebaseFirestore.getInstance();

  auth.signOut();
  Task<?> signInTask = auth.signInWithEmailAndPassword("[email protected]", "password");
  Tasks2.waitForSuccess(signInTask);

  DocumentReference doc = firestore.collection("restaurants").document(TestId.create());
  SnapshotListener listener = new SnapshotListener();
  ListenerRegistration registration = doc.addSnapshotListener(listener);

  try {
    HashMap<String, Object> data = new HashMap<>();
    data.put("location", "Google NYC");

    Task<?> setTask = doc.set(new HashMap<>(data));
    Task<DocumentSnapshot> snapshotTask = listener.toTask();
    Tasks2.waitForSuccess(setTask);
    Tasks2.waitForSuccess(snapshotTask);

    DocumentSnapshot result = snapshotTask.getResult();
    assertThat(result.getData()).isEqualTo(data);
  } finally {
    registration.remove();
    Tasks2.waitBestEffort(doc.delete());
  }
}
 

public void emulatorSettings() {
    // [START fs_emulator_connect]
    // 10.0.2.2 is the special IP address to connect to the 'localhost' of
    // the host computer from an Android emulator.
    FirebaseFirestoreSettings settings = new FirebaseFirestoreSettings.Builder()
            .setHost("10.0.2.2:8080")
            .setSslEnabled(false)
            .setPersistenceEnabled(false)
            .build();

    FirebaseFirestore firestore = FirebaseFirestore.getInstance();
    firestore.setFirestoreSettings(settings);
    // [END fs_emulator_connect]
}
 

@Provides
@Singleton
static FirebaseFirestore firebaseFirestore(FirebaseFirestoreSettings settings) {
  FirebaseFirestore firestore = FirebaseFirestore.getInstance();
  firestore.setFirestoreSettings(settings);
  FirebaseFirestore.setLoggingEnabled(Config.FIRESTORE_LOGGING_ENABLED);
  return firestore;
}
 

@Override
protected void onCreate(@Nullable Bundle bundle) {
    super.onCreate(bundle);
    setContentView(R.layout.activity_main);

    findViewById(R.id.button_write).setOnClickListener(this);
    findViewById(R.id.button_smoketest).setOnClickListener(this);
    findViewById(R.id.button_delete_all).setOnClickListener(this);

    mFirestore = FirebaseFirestore.getInstance();

    new SolutionRateLimiting().startUpdates();
}
 

public Conversation(String id, Date readTimestamp, Date createTimestamp) {
    conversationId = id;
    this.readTimestamp = readTimestamp;
    this.createTimestamp = createTimestamp;
    this.uid = FirebaseAuth.getInstance().getCurrentUser().getUid();

    db = FirebaseFirestore.getInstance();
    listen();
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    ViewPump.init(ViewPump.builder()
            .addInterceptor(new CalligraphyInterceptor(
                    new CalligraphyConfig.Builder()
                            .setDefaultFontPath("fonts/bold.ttf")
                            .setFontAttrId(R.attr.fontPath)
                            .build()))
            .build());

    setContentView(R.layout.activity_post_image);

    imagesList=getIntent().getParcelableArrayListExtra("imagesList");

    if(imagesList.isEmpty()){
        finish();
    }

    Toolbar toolbar = findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    toolbar.setTitle("New Image Post");

    int nightModeFlags=getResources().getConfiguration().uiMode& Configuration.UI_MODE_NIGHT_MASK;
    if(nightModeFlags==UI_MODE_NIGHT_NO){
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            int flags=getWindow().getDecorView().getSystemUiVisibility();
            flags|=View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
            getWindow().getDecorView().setSystemUiVisibility(flags);
        }
        toolbar.setBackgroundColor(getResources().getColor(R.color.colorPrimaryDarkk));
    }

    try {
        getSupportActionBar().setTitle("New Image Post");
    } catch (Exception e) {
        e.printStackTrace();
    }
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
    getSupportActionBar().setDisplayShowHomeEnabled(true);

    postMap = new HashMap<>();

    pager=findViewById(R.id.pager);
    indicator=findViewById(R.id.indicator);
    indicator_holder=findViewById(R.id.indicator_holder);

    indicator.setDotsClickable(true);
    adapter=new PagerPhotosAdapter(this,imagesList);
    pager.setAdapter(adapter);

    if(imagesList.size()>1){
        indicator_holder.setVisibility(View.VISIBLE);
        indicator.setViewPager(pager);
    }else{
        indicator_holder.setVisibility(GONE);
    }

    mFirestore = FirebaseFirestore.getInstance();
    mAuth = FirebaseAuth.getInstance();
    mCurrentUser = mAuth.getCurrentUser();

    sharedPreferences=getSharedPreferences("uploadservice",MODE_PRIVATE);
    serviceCount=sharedPreferences.getInt("count",0);

    mEditText = findViewById(R.id.text);

    compressor=new Compressor(this)
            .setQuality(85)
            .setCompressFormat(Bitmap.CompressFormat.PNG);

    mDialog = new ProgressDialog(this);
    mStorage=FirebaseStorage.getInstance().getReference();

}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    ViewPump.init(ViewPump.builder()
            .addInterceptor(new CalligraphyInterceptor(
                    new CalligraphyConfig.Builder()
                            .setDefaultFontPath("fonts/bold.ttf")
                            .setFontAttrId(R.attr.fontPath)
                            .build()))
            .build());
    
    setContentView(R.layout.activity_answers);

    toolbar=findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    toolbar.setTitle("Forum");

    getSupportActionBar().setTitle("Forum");
    getSupportActionBar().setDisplayShowHomeEnabled(true);
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);

    mFirestore=FirebaseFirestore.getInstance();
    mCurrentUser= FirebaseAuth.getInstance().getCurrentUser();
    mRecyclerView=findViewById(R.id.recyclerView);
    refreshLayout=findViewById(R.id.refreshLayout);
    mRecyclerView.setItemAnimator(new DefaultItemAnimator());
    mRecyclerView.setLayoutManager(new LinearLayoutManager(this));

    if(StringUtils.isNotEmpty(getIntent().getStringExtra("question_id"))){

        Log.i(TAG,getIntent().getStringExtra("question_id"));

        mFirestore.collection("Questions")
                .document(getIntent().getStringExtra("question_id"))
                .get()
                .addOnSuccessListener(documentSnapshot -> {

                    if(documentSnapshot.exists()) {

                        author_id = documentSnapshot.getString("id");
                        author = documentSnapshot.getString("name");
                        doc_id = documentSnapshot.getId();
                        timestamp = documentSnapshot.getString("timestamp");
                        try {
                            answered_by = documentSnapshot.getString("answered_by");
                        }catch (Exception e){
                            e.printStackTrace();
                        }
                        question = documentSnapshot.getString("question");
                        setupUI();

                    }else{

                        Toasty.error(getApplicationContext(),"The question has been deleted",Toasty.LENGTH_LONG,true).show();
                        finish();

                    }
                })
                .addOnFailureListener(Throwable::printStackTrace);
    }

}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    mBinding = ActivityMainBinding.inflate(getLayoutInflater());
    setContentView(mBinding.getRoot());

    setSupportActionBar(mBinding.toolbar);

    mBinding.filterBar.setOnClickListener(this);
    mBinding.buttonClearFilter.setOnClickListener(this);

    // View model
    mViewModel = new ViewModelProvider(this).get(MainActivityViewModel.class);

    // Enable Firestore logging
    FirebaseFirestore.setLoggingEnabled(true);

    // Firestore
    mFirestore = FirebaseFirestore.getInstance();

    // Get ${LIMIT} restaurants
    mQuery = mFirestore.collection("restaurants")
            .orderBy("avgRating", Query.Direction.DESCENDING)
            .limit(LIMIT);

    // RecyclerView
    mAdapter = new RestaurantAdapter(mQuery, this) {
        @Override
        protected void onDataChanged() {
            // Show/hide content if the query returns empty.
            if (getItemCount() == 0) {
                mBinding.recyclerRestaurants.setVisibility(View.GONE);
                mBinding.viewEmpty.setVisibility(View.VISIBLE);
            } else {
                mBinding.recyclerRestaurants.setVisibility(View.VISIBLE);
                mBinding.viewEmpty.setVisibility(View.GONE);
            }
        }

        @Override
        protected void onError(FirebaseFirestoreException e) {
            // Show a snackbar on errors
            Snackbar.make(mBinding.getRoot(),
                    "Error: check logs for info.", Snackbar.LENGTH_LONG).show();
        }
    };

    mBinding.recyclerRestaurants.setLayoutManager(new LinearLayoutManager(this));
    mBinding.recyclerRestaurants.setAdapter(mAdapter);

    // Filter Dialog
    mFilterDialog = new FilterDialogFragment();
}
 

@Override
public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
    super.onViewCreated(view, savedInstanceState);

    firestore = FirebaseFirestore.getInstance();
    mAuth = FirebaseAuth.getInstance();

    mRecyclerView = view.findViewById(R.id.recyclerView);
    refreshLayout=view.findViewById(R.id.refreshLayout);

    ItemTouchHelper.SimpleCallback itemTouchHelperCallback = new RecyclerViewTouchHelper(0, ItemTouchHelper.LEFT, new RecyclerViewTouchHelper.RecyclerItemTouchHelperListener() {
        @Override
        public void onSwiped(RecyclerView.ViewHolder viewHolder, int direction, int position) {
            if (viewHolder instanceof AddFriendAdapter.ViewHolder) {
                // get the removed item name to display it in snack bar
                String name = usersList.get(viewHolder.getAdapterPosition()).getName();

                // backup of removed item for undo purpose
                final Friends deletedItem = usersList.get(viewHolder.getAdapterPosition());
                final int deletedIndex = viewHolder.getAdapterPosition();

                Snackbar snackbar = Snackbar
                        .make(view.findViewById(R.id.layout), "Friend request sent to " + name, Snackbar.LENGTH_LONG);

                // remove the item from recycler view
                usersAdapter.removeItem(viewHolder.getAdapterPosition(), snackbar, deletedIndex, deletedItem);

            }
        }
    });

    usersList = new ArrayList<>();
    usersAdapter = new AddFriendAdapter(usersList, view.getContext(), view.findViewById(R.id.layout));

    mRecyclerView.setItemAnimator(new DefaultItemAnimator());
    mRecyclerView.setLayoutManager(new LinearLayoutManager(view.getContext()));
    mRecyclerView.setHasFixedSize(true);
    mRecyclerView.addItemDecoration(new DividerItemDecoration(view.getContext(), DividerItemDecoration.VERTICAL));
    new ItemTouchHelper(itemTouchHelperCallback).attachToRecyclerView(mRecyclerView);
    mRecyclerView.setAdapter(usersAdapter);

    refreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
        @Override
        public void onRefresh() {
            getAllUsers();
        }
    });

    getAllUsers();

}
 

@Singleton
@Provides
FirebaseFirestore providesFirestore() {
    FirebaseFirestore.setLoggingEnabled(true);
    return FirebaseFirestore.getInstance();
}
 

@Override
public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
    super.onViewCreated(view, savedInstanceState);

    firestore = FirebaseFirestore.getInstance();
    mAuth = FirebaseAuth.getInstance();

    mRecyclerView =  getView().findViewById(R.id.recyclerView);
    refreshLayout=getView().findViewById(R.id.refreshLayout);

    usersList = new ArrayList<>();
    usersAdapter = new ViewFriendAdapter(usersList, view.getContext());

    ItemTouchHelper.SimpleCallback itemTouchHelperCallback = new RecyclerViewTouchHelper(0, ItemTouchHelper.LEFT, new RecyclerViewTouchHelper.RecyclerItemTouchHelperListener() {
        @Override
        public void onSwiped(RecyclerView.ViewHolder viewHolder, int direction, int position) {
            if (viewHolder instanceof ViewFriendAdapter.ViewHolder) {

                usersAdapter.removeItem(viewHolder.getAdapterPosition());

            }
        }
    });

    mRecyclerView.setItemAnimator(new DefaultItemAnimator());
    mRecyclerView.setLayoutManager(new LinearLayoutManager(view.getContext()));
    mRecyclerView.setHasFixedSize(true);
    mRecyclerView.addItemDecoration(new DividerItemDecoration(view.getContext(), DividerItemDecoration.VERTICAL));
    new ItemTouchHelper(itemTouchHelperCallback).attachToRecyclerView(mRecyclerView);
    mRecyclerView.setAdapter(usersAdapter);

    refreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
        @Override
        public void onRefresh() {
            startListening();
        }
    });

    startListening();

}
 

@Override
public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
    super.onViewCreated(getView(), savedInstanceState);

    context = getView().getContext();
    mCurrentUser = FirebaseAuth.getInstance().getCurrentUser();
    adapter = new QuestionAdapter(allQuestionsModelList);

    if (mCurrentUser != null) {

        mFirestore = FirebaseFirestore.getInstance();

        if(getArguments()!=null){
            userId=getArguments().getString("user_id");
        }else{
            userId=mCurrentUser.getUid();
        }

        et0=getView().findViewById(R.id.all);
        et1=getView().findViewById(R.id.accountancy);
        et2=getView().findViewById(R.id.astronomy);
        et3=getView().findViewById(R.id.biology);
        et4=getView().findViewById(R.id.business_maths);
        et5=getView().findViewById(R.id.computer_science);
        et6=getView().findViewById(R.id.commerce);
        et7=getView().findViewById(R.id.chemistry);
        et8=getView().findViewById(R.id.economics);
        et9=getView().findViewById(R.id.geography);
        et10=getView().findViewById(R.id.history);
        et11=getView().findViewById(R.id.physics);
        et12=getView().findViewById(R.id.p_science);
        et13=getView().findViewById(R.id.maths);

        refreshLayout=getView().findViewById(R.id.refreshLayout);

        recyclerView = getView().findViewById(R.id.recyclerView);
        recyclerView.setLayoutManager(new LinearLayoutManager(context));
        recyclerView.addItemDecoration(new DividerItemDecoration(context, DividerItemDecoration.VERTICAL));
        recyclerView.setItemAnimator(new DefaultItemAnimator());

        allQuestionsModelList.clear();
        recyclerView.setAdapter(adapter);

        refreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
            @Override
            public void onRefresh() {
                allQuestionsModelList.clear();
                adapter.notifyDataSetChanged();
                getQuestions();
            }
        });

        setUpOnClick();
        getQuestions();

    }
}
 

@Override
public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
    super.onViewCreated(getView(), savedInstanceState);

    context = getView().getContext();
    mCurrentUser = FirebaseAuth.getInstance().getCurrentUser();
    adapter = new QuestionAdapter(allQuestionsModelList);

    if (mCurrentUser != null) {

        mFirestore = FirebaseFirestore.getInstance();

        if(getArguments()!=null){
            userId=getArguments().getString("user_id");
        }else{
            userId=mCurrentUser.getUid();
        }

        refreshLayout=getView().findViewById(R.id.refreshLayout);
        et0=getView().findViewById(R.id.all);
        et1=getView().findViewById(R.id.accountancy);
        et2=getView().findViewById(R.id.astronomy);
        et3=getView().findViewById(R.id.biology);
        et4=getView().findViewById(R.id.business_maths);
        et5=getView().findViewById(R.id.computer_science);
        et6=getView().findViewById(R.id.commerce);
        et7=getView().findViewById(R.id.chemistry);
        et8=getView().findViewById(R.id.economics);
        et9=getView().findViewById(R.id.geography);
        et10=getView().findViewById(R.id.history);
        et11=getView().findViewById(R.id.physics);
        et12=getView().findViewById(R.id.p_science);
        et13=getView().findViewById(R.id.maths);

        recyclerView = getView().findViewById(R.id.recyclerView);
        recyclerView.setLayoutManager(new LinearLayoutManager(context));
        recyclerView.addItemDecoration(new DividerItemDecoration(context, DividerItemDecoration.VERTICAL));
        recyclerView.setItemAnimator(new DefaultItemAnimator());

        allQuestionsModelList.clear();
        recyclerView.setAdapter(adapter);

        refreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
            @Override
            public void onRefresh() {
                allQuestionsModelList.clear();
                adapter.notifyDataSetChanged();
                getQuestions();
            }
        });

        setUpOnClick();
        getQuestions();

    }
}
 

public void uploadAll() {

        String name = nameView.getText().toString();

        String holder = FirebaseAuth.getInstance().getCurrentUser().getUid();

        Calendar calendar = Calendar.getInstance();
        calendar.set(Calendar.YEAR, dateMap.get("year"));
        calendar.set(Calendar.MONTH, dateMap.get("month"));
        calendar.set(Calendar.DAY_OF_MONTH, dateMap.get("day"));
        calendar.set(Calendar.HOUR_OF_DAY, dateMap.get("hour"));
        calendar.set(Calendar.MINUTE, dateMap.get("minute"));
        Date eventDate = calendar.getTime();

        Map<String, Boolean> users = new HashMap<>();
        users.put(holder, true);

        EventsActivity.EventItem newEvent = new EventsActivity.EventItem(name, holder,
                eventDate, users, picsStoragePath, getPlaceDisplayName(eventLocation),
                eventLocation.getLatLng().longitude, eventLocation.getLatLng().latitude, privateSwitch.isChecked());

        FirebaseFirestore db = FirebaseFirestore.getInstance();
        db.collection("events").add(newEvent).addOnCompleteListener( task -> {
                    if (task.isSuccessful()) {
                        String eid = task.getResult().getId();
                        if(selectedUsers != null && !selectedUsers.isEmpty()){

                            Map<String, String> data = new HashMap<>();
                            data.put("eid", eid);
                            data.put("name", name);

                            Gson gson = new Gson();
                            String payload = gson.toJson(data);

                            for(String user: selectedUsers.keySet()) {
                                ConversationManager.getInstance()
                                    .getPrivateConversation(user).sendMessage("event", payload);
                            }
                        }
                        finish();

                    } else {
                        badInternetConnection();
                    }
                });

    }
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);


    ViewPump.init(ViewPump.builder()
            .addInterceptor(new CalligraphyInterceptor(
                    new CalligraphyConfig.Builder()
                            .setDefaultFontPath("fonts/bold.ttf")
                            .setFontAttrId(R.attr.fontPath)
                            .build()))
            .build());

    setContentView(R.layout.activity_single_post_view);

    String post_id=getIntent().getStringExtra("post_id");

    Toolbar toolbar=findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    toolbar.setTitle("Post");

    getSupportActionBar().setTitle("Post");
    getSupportActionBar().setDisplayShowHomeEnabled(true);
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);

    if(!TextUtils.isEmpty(post_id)){

        boolean forComment=getIntent().getBooleanExtra("forComment",false);

        pbar=findViewById(R.id.pbar);
        mFirestore=FirebaseFirestore.getInstance();

        statsheetView = getLayoutInflater().inflate(R.layout.stat_bottom_sheet_dialog, null);
        mmBottomSheetDialog = new BottomSheetDialog(this);
        mmBottomSheetDialog.setContentView(statsheetView);
        mmBottomSheetDialog.setCanceledOnTouchOutside(true);

        mPostsList = new ArrayList<>();

        if(forComment)
            mAdapter = new PostsAdapter(mPostsList, this,this,mmBottomSheetDialog,statsheetView,true);
        else
            mAdapter = new PostsAdapter(mPostsList, this,this,mmBottomSheetDialog,statsheetView,false);


        RecyclerView mRecyclerView=findViewById(R.id.recyclerView);
        mRecyclerView.setItemAnimator(new DefaultItemAnimator());
        mRecyclerView.setLayoutManager(new LinearLayoutManager(this));
        mRecyclerView.setHasFixedSize(true);
        mRecyclerView.setAdapter(mAdapter);

        pbar.setVisibility(View.VISIBLE);
        getPosts(post_id);



    }else{
        finish();
    }

}