- Making http requests using okhttp
- startActivity (Activity)
- onRequestPermissionsResult (Fragment)
- notifyDataSetChanged (ArrayAdapter)
- OutputStream (java.io)
A writable sink for bytes.Most clients will use output streams that write data
to the file system (
- Socket (java.net)
Provides a client-side TCP socket.
- List (java.util)
An ordered collection (also known as a sequence). The user of this interface has
precise control ove
- UUID (java.util)
UUID is an immutable representation of a 128-bit universally unique identifier
(UUID). There are mul
- BlockingQueue (java.util.concurrent)
A java.util.Queue that additionally supports operations that wait for the queue
to become non-empty
- AtomicInteger (java.util.concurrent.atomic)
An int value that may be updated atomically. See the java.util.concurrent.atomic
package specificati
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