Mastering Firebase For Android Development Epub [better] ❲Best Pick❳

class User { private String name; private String email;

public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); FirebaseFirestore db = FirebaseFirestore.getInstance(); CollectionReference ref = db.collection("users"); ref.add(new User("John Doe", "johndoe@example.com")); } } mastering firebase for android development epub

public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); FirebaseStorage storage = FirebaseStorage.getInstance(); StorageReference ref = storage.getReference("images/myimage.jpg"); ref.putFile(Uri.parse("file:///path/to/image.jpg")); } } class User { private String name; private String

public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); FirebaseDatabase database = FirebaseDatabase.getInstance(); DatabaseReference ref = database.getReference("users"); ref.setValue("Hello, World!"); } } class User { private String name

exports.myFunction = functions.database.ref('users/{userId}') .onWrite((change, context) => { const userId = context.params.userId; const data = change.after.val(); console.log(`User ${userId} updated: ${data}`); });