DataSnapshot class
A DataSnapshot contains data from a Firebase Database location. Any time you read Firebase data, you receive the data as a DataSnapshot.
Properties
-
children
→ Iterable<
DataSnapshot> -
An iterator for snapshots of the child nodes in this snapshot.
no setter
- exists → bool
-
Ascertains whether the value exists at the Firebase Database location.
no setter
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → String?
-
The key of the location that generated this DataSnapshot or null if at
database root.
no setter
- priority → Object?
-
Gets the priority value of the data in this DataSnapshot or null if no
priority set.
no setter
- ref → DatabaseReference
-
The Reference for the location that generated this DataSnapshot.
no setter
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- value → Object?
-
Returns the contents of this data snapshot as native types.
no setter
Methods
-
child(
String path) → DataSnapshot - Gets another DataSnapshot for the location at the specified relative path. The relative path can either be a simple child name (for example, "ada") or a deeper, slash-separated path (for example, "ada/name/first"). If the child location has no data, an empty DataSnapshot (that is, a DataSnapshot whose value is null) is returned.
-
hasChild(
String path) → bool - Returns true if the specified child path has (non-null) data.
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited