- Reading from database using SQL prepared statement
- getSupportFragmentManager (FragmentActivity)
- addToBackStack (FragmentTransaction)
- findViewById (Activity)
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- String (java.lang)
- URLEncoder (java.net)
This class is used to encode a string using the format required by
application/x-www-form-urlencoded
- Iterator (java.util)
An iterator over a sequence of objects, such as a collection.If a collection has
been changed since
- Set (java.util)
A Set is a data structure which does not allow duplicate elements.
- Base64 (org.apache.commons.codec.binary)
Provides Base64 encoding and decoding as defined by RFC 2045.This class
implements section 6.8. Base
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