- Running tasks concurrently on multiple threads
- getSupportFragmentManager (FragmentActivity)
- addToBackStack (FragmentTransaction)
- startActivity (Activity)
- PrintWriter (java.io)
Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
- ReentrantLock (java.util.concurrent.locks)
A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
- ZipFile (java.util.zip)
This class provides random read access to a zip file. You pay more to read the
zip file's central di
- LogFactory (org.apache.commons.logging)
Factory for creating Log instances, with discovery and configuration features
similar to that employ
- Font (java.awt)
The Font class represents fonts, which are used to render text in a visible way.
A font provides the
- BufferedImage (java.awt.image)
The BufferedImage subclass describes an java.awt.Image with an accessible buffer
of image data. All
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