Java FirebaseFirestore.getInstance方法代码示例

import com.google.firebase.firestore.FirebaseFirestore; //导入方法依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_my_product);

    // Firebase Setting
    mAuth = FirebaseAuth.getInstance();
    user = mAuth.getCurrentUser();
    firestore = FirebaseFirestore.getInstance();
    postColRef = firestore.collection("post");
    userId = user.getUid();

    ActionBar actionBar = getSupportActionBar();
    actionBar.setDisplayHomeAsUpEnabled(true);

    coverLL = (LinearLayout) findViewById(R.id.myProductLL);

    setImageView();
}
 

import com.google.firebase.firestore.FirebaseFirestore; //导入方法依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_sales_history);

    // Firebase Setting
    mAuth = FirebaseAuth.getInstance();
    user = mAuth.getCurrentUser();
    firestore = FirebaseFirestore.getInstance();
    userId = user.getUid();

    ActionBar actionBar = getSupportActionBar();
    actionBar.setDisplayHomeAsUpEnabled(true);

    coverLL = (LinearLayout) findViewById(R.id.myProductLL);

    setImageView();
}
 

import com.google.firebase.firestore.FirebaseFirestore; //导入方法依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_purchase_history);

    // Firebase Setting
    mAuth = FirebaseAuth.getInstance();
    user = mAuth.getCurrentUser();
    firestore = FirebaseFirestore.getInstance();
    userId = user.getUid();

    ActionBar actionBar = getSupportActionBar();
    actionBar.setDisplayHomeAsUpEnabled(true);

    coverLL = (LinearLayout) findViewById(R.id.myProductLL);

    setImageView();
}
 

import com.google.firebase.firestore.FirebaseFirestore; //导入方法依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_purchase_history);

    // Firebase Setting
    mAuth = FirebaseAuth.getInstance();
    user = mAuth.getCurrentUser();
    firestore = FirebaseFirestore.getInstance();
    userId = user.getUid();

    ActionBar actionBar = getSupportActionBar();
    actionBar.setDisplayHomeAsUpEnabled(true);

    coverLL = (LinearLayout) findViewById(R.id.myProductLL);

    setImageView();


}
 

import com.google.firebase.firestore.FirebaseFirestore; //导入方法依赖的package包/类
public void init (FirebaseApp firebaseApp) {
	mFirebaseApp = firebaseApp;

	// Enable Firestore logging
	FirebaseFirestore.setLoggingEnabled(true);
	db = FirebaseFirestore.getInstance();

	Utils.d("Firestore::Initialized");
}
 

import com.google.firebase.firestore.FirebaseFirestore; //导入方法依赖的package包/类
private void initFirestore() {
    mFirestore = FirebaseFirestore.getInstance();
    // Get the 50 highest rated restaurants
    mQuery = mFirestore.collection("restaurants")
            .orderBy("avgRating", Query.Direction.DESCENDING)
            .limit(LIMIT);

    /**
     * Now we want to listen to the query,
     * so that we get all matching documents and are notified of future updates in real time.
     * Because our eventual goal is to bind this data to a RecyclerView,
     * we need to create a RecyclerView.Adapter class to listen to the data.
     */

}
 

import com.google.firebase.firestore.FirebaseFirestore; //导入方法依赖的package包/类
@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();
}
 

import com.google.firebase.firestore.FirebaseFirestore; //导入方法依赖的package包/类
private void setup() {
    // [START get_firestore_instance]
    FirebaseFirestore db = FirebaseFirestore.getInstance();
    // [END get_firestore_instance]

    // [START set_firestore_settings]
    FirebaseFirestoreSettings settings = new FirebaseFirestoreSettings.Builder()
            .setPersistenceEnabled(true)
            .build();
    db.setFirestoreSettings(settings);
    // [END set_firestore_settings]
}
 

import com.google.firebase.firestore.FirebaseFirestore; //导入方法依赖的package包/类
@Singleton
@Provides
FirebaseFirestore providesFirestore() {
    FirebaseFirestore.setLoggingEnabled(true);
    return FirebaseFirestore.getInstance();
}
 

import com.google.firebase.firestore.FirebaseFirestore; //导入方法依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_restaurant_detail);
    ButterKnife.bind(this);

    // Get restaurant ID from extras
    String restaurantId = getIntent().getExtras().getString(KEY_RESTAURANT_ID);
    if (restaurantId == null) {
        throw new IllegalArgumentException("Must pass extra " + KEY_RESTAURANT_ID);
    }

    // Initialize Firestore
    mFirestore = FirebaseFirestore.getInstance();

    // Get reference to the restaurant
    mRestaurantRef = mFirestore.collection("restaurants").document(restaurantId);

    // Get ratings
    Query ratingsQuery = mRestaurantRef
            .collection("ratings")
            .orderBy("timestamp", Query.Direction.DESCENDING)
            .limit(50);

    // RecyclerView
    mRatingAdapter = new RatingAdapter(ratingsQuery) {
        @Override
        protected void onDataChanged() {
            if (getItemCount() == 0) {
                mRatingsRecycler.setVisibility(View.GONE);
                mEmptyView.setVisibility(View.VISIBLE);
            } else {
                mRatingsRecycler.setVisibility(View.VISIBLE);
                mEmptyView.setVisibility(View.GONE);
            }
        }
    };

    mRatingsRecycler.setLayoutManager(new LinearLayoutManager(this));
    mRatingsRecycler.setAdapter(mRatingAdapter);

    mRatingDialog = new RatingDialogFragment();
}
 

import com.google.firebase.firestore.FirebaseFirestore; //导入方法依赖的package包/类
public SolutionRateLimiting() {
    db = FirebaseFirestore.getInstance();
    mHandler = new Handler();
}
 

import com.google.firebase.firestore.FirebaseFirestore; //导入方法依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    ButterKnife.bind(this);
    setSupportActionBar(mToolbar);

    // View model
    mViewModel = ViewModelProviders.of(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) {
                mRestaurantsRecycler.setVisibility(View.GONE);
                mEmptyView.setVisibility(View.VISIBLE);
            } else {
                mRestaurantsRecycler.setVisibility(View.VISIBLE);
                mEmptyView.setVisibility(View.GONE);
            }
        }

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

    mRestaurantsRecycler.setLayoutManager(new LinearLayoutManager(this));
    mRestaurantsRecycler.setAdapter(mAdapter);

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

import com.google.firebase.firestore.FirebaseFirestore; //导入方法依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_restaurant_detail);
    ButterKnife.bind(this);

    // Get restaurant ID from extras
    String restaurantId = getIntent().getExtras().getString(KEY_RESTAURANT_ID);
    if (restaurantId == null) {
        throw new IllegalArgumentException("Must pass extra " + KEY_RESTAURANT_ID);
    }

    // Initialize Firestore
    mFirestore = FirebaseFirestore.getInstance();

    // Get reference to the restaurant
    mRestaurantRef = mFirestore.collection("restaurants").document(restaurantId);

    // Get ratings
    Query ratingsQuery = mRestaurantRef
            .collection("ratings")
            .orderBy("timestamp", Query.Direction.DESCENDING)
            .limit(50);

    // RecyclerView
    mRatingAdapter = new RatingAdapter(ratingsQuery) {
        @Override
        protected void onDataChanged() {
            if (getItemCount() == 0) {
                mRatingsRecycler.setVisibility(View.GONE);
                mEmptyView.setVisibility(View.VISIBLE);
            } else {
                mRatingsRecycler.setVisibility(View.VISIBLE);
                mEmptyView.setVisibility(View.GONE);
            }
        }
    };
    mRatingsRecycler.setLayoutManager(new LinearLayoutManager(this));
    mRatingsRecycler.setAdapter(mRatingAdapter);

    mRatingDialog = new RatingDialogFragment();
}