com.google.firebase.database.ValueEventListener |
Classes implementing this interface can be used to receive events about data changes at a
location. Attach the listener to a location user addValueEventListener(ValueEventListener)
.
Public Methods | |||||||||||
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This method will be triggered in the event that this listener either failed at the server, or
is removed as a result of the security and Firebase Database rules.
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This method will be called with a snapshot of the data at this location.
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This method will be triggered in the event that this listener either failed at the server, or is removed as a result of the security and Firebase Database rules. For more information on securing your data, see: Security Quickstart
Parameters | |
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error |
DatabaseError :
A description of the error that occurred
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This method will be called with a snapshot of the data at this location. It will also be called each time that data changes.
Parameters | |
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snapshot |
DataSnapshot :
The current data at the location
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