- Finding current android device location
- startActivity (Activity)
- getSupportFragmentManager (FragmentActivity)
- addToBackStack (FragmentTransaction)
- FileReader (java.io)
A specialized Reader that reads from a file in the file system. All read
requests made by calling me
- OutputStream (java.io)
A writable sink for bytes.Most clients will use output streams that write data
to the file system (
- DateFormat (java.text)
Formats or parses dates and times.This class provides factories for obtaining
instances configured f
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- Callable (java.util.concurrent)
A task that returns a result and may throw an exception. Implementors define a
single method with no
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
- Best IntelliJ plugins