- Making http requests using okhttp
- getSupportFragmentManager (FragmentActivity)
- findViewById (Activity)
- getExternalFilesDir (Context)
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This class consists exclusively of static methods that operate on or return
collections. It contains
- CountDownLatch (java.util.concurrent)
A synchronization aid that allows one or more threads to wait until a set of
operations being perfor
- ServletException (javax.servlet)
Defines a general exception a servlet can throw when it encounters difficulty.
- IOUtils (org.apache.commons.io)
General IO stream manipulation utilities. This class provides static utility
methods for input/outpu
- Rectangle (java.awt)
A Rectangle specifies an area in a coordinate space that is enclosed by the
Rectangle object's top-
- BufferedImage (java.awt.image)
The BufferedImage subclass describes an java.awt.Image with an accessible buffer
of image data. All
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