- Running tasks concurrently on multiple threads
- scheduleAtFixedRate (ScheduledExecutorService)
- getExternalFilesDir (Context)
- onRequestPermissionsResult (Fragment)
- OutputStream (java.io)
A writable sink for bytes.Most clients will use output streams that write data
to the file system (
- MalformedURLException (java.net)
This exception is thrown when a program attempts to create an URL from an
incorrect specification.
- URL (java.net)
A Uniform Resource Locator that identifies the location of an Internet resource
as specified by RFC
- NumberFormat (java.text)
The abstract base class for all number formats. This class provides the
interface for formatting and
- SimpleDateFormat (java.text)
Formats and parses dates in a locale-sensitive manner. Formatting turns a Date
into a String, and pa
- Semaphore (java.util.concurrent)
A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
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