- Start an intent from android
- addToBackStack (FragmentTransaction)
- findViewById (Activity)
- getSupportFragmentManager (FragmentActivity)
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- JarFile (java.util.jar)
JarFile is used to read jar entries and their associated data from jar files.
- Graphics2D (java.awt)
This Graphics2D class extends the Graphics class to provide more sophisticated
control overgraphics
- JComboBox (javax.swing)
- Best plugins for Eclipse