- Making http requests using okhttp
- runOnUiThread (Activity)
- getContentResolver (Context)
- addToBackStack (FragmentTransaction)
- RandomAccessFile (java.io)
Allows reading from and writing to a file in a random-access manner. This is
different from the uni-
- URLEncoder (java.net)
This class is used to encode a string using the format required by
application/x-www-form-urlencoded
- Charset (java.nio.charset)
A charset is a named mapping between Unicode characters and byte sequences.
Every Charset can decode
- Format (java.text)
The base class for all formats. This is an abstract base class which specifies
the protocol for clas
- Executors (java.util.concurrent)
Factory and utility methods for Executor, ExecutorService,
ScheduledExecutorService, ThreadFactory,
- Semaphore (java.util.concurrent)
A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
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