- Making http requests using okhttp
- findViewById (Activity)
- onCreateOptionsMenu (Activity)
- getSharedPreferences (Context)
- ServerSocket (java.net)
This class represents a server-side socket that waits for incoming client
connections. A ServerSocke
- Random (java.util)
This class provides methods that return pseudo-random values.It is dangerous to
seed Random with the
- Manifest (java.util.jar)
The Manifest class is used to obtain attribute information for a JarFile and its
entries.
- FileUtils (org.apache.commons.io)
General file manipulation utilities. Facilities are provided in the following
areas: * writing to a
- IOUtils (org.apache.commons.io)
General IO stream manipulation utilities. This class provides static utility
methods for input/outpu
- Font (java.awt)
The Font class represents fonts, which are used to render text in a visible way.
A font provides the
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