- Making http requests using okhttp
- setContentView (Activity)
- notifyDataSetChanged (ArrayAdapter)
- getSystemService (Context)
- Charset (java.nio.charset)
A charset is a named mapping between Unicode characters and byte sequences.
Every Charset can decode
- Path (java.nio.file)
- Format (java.text)
The base class for all formats. This is an abstract base class which specifies
the protocol for clas
- TimeZone (java.util)
TimeZone represents a time zone offset, and also figures out daylight savings.
Typically, you get a
- FileUtils (org.apache.commons.io)
General file manipulation utilities. Facilities are provided in the following
areas: * writing to a
- IOUtils (org.apache.commons.io)
General IO stream manipulation utilities. This class provides static utility
methods for input/outpu
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