Firebase DatabaseException: Failed to convert value of type java.lang.Long to String

Question

com.google.firebase.database.DatabaseException: Failed to convert value of type java.lang.Long to String

is the error I keep getting w

Answer 1

Problems

1. If you are adding values in firebase database manually, the values will be in long data type; for example:

2. If you are adding values by commands, the values will be saved in the database as string.
   

Solution:

When you are getting the values from database, save the values in default data type. Then, when you want to reuse the value change it into the string by using the toString() method.