- Creating JSON documents from java classes using gson
- getSharedPreferences (Context)
- onCreateOptionsMenu (Activity)
- onRequestPermissionsResult (Fragment)
- OutputStream (java.io)
A writable sink for bytes.Most clients will use output streams that write data
to the file system (
- PrintWriter (java.io)
Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
- MalformedURLException (java.net)
This exception is thrown when a program attempts to create an URL from an
incorrect specification.
- LinkedHashMap (java.util)
LinkedHashMap is an implementation of Map that guarantees iteration order. All
optional operations a
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- 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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