- Start an intent from android
- scheduleAtFixedRate (Timer)
- requestLocationUpdates (LocationManager)
- runOnUiThread (Activity)
- SimpleDateFormat (java.text)
Formats and parses dates in a locale-sensitive manner. Formatting turns a Date
into a String, and pa
- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- Properties (java.util)
A Properties object is a Hashtable where the keys and values must be Strings.
Each property can have
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
- Window (java.awt)
A Window object is a top-level window with no borders and no menubar. The
default layout for a windo
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