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- getSystemService (Context)
- getApplicationContext (Context)
- getExternalFilesDir (Context)
- System (java.lang)
Provides access to system-related information and resources including standard
input and output. Ena
- URI (java.net)
A Uniform Resource Identifier that identifies an abstract or physical resource,
as specified by RFC
- URLEncoder (java.net)
This class is used to encode a string using the format required by
application/x-www-form-urlencoded
- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- Timer (java.util)
Timers schedule one-shot or recurring TimerTask for execution. Prefer
java.util.concurrent.Scheduled
- HttpServlet (javax.servlet.http)
Provides an abstract class to be subclassed to create an HTTP servlet suitable
for a Web site. A sub
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