- Making http requests using okhttp
- getContentResolver (Context)
- startActivity (Activity)
- setContentView (Activity)
- IOException (java.io)
Signals a general, I/O-related error. Error details may be specified when
calling the constructor, a
- Permission (java.security)
Legacy security code; do not use.
- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- Dictionary (java.util)
Note: Do not use this class since it is obsolete. Please use the Map interface
for new implementatio
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- UUID (java.util)
UUID is an immutable representation of a 128-bit universally unique identifier
(UUID). There are mul
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