- Making http requests using okhttp
- getExternalFilesDir (Context)
- getSystemService (Context)
- onRequestPermissionsResult (Fragment)
- HttpServer (com.sun.net.httpserver)
This class implements a simple HTTP server. A HttpServer is bound to an IP
address and port number a
- BufferedReader (java.io)
Wraps an existing Reader and buffers the input. Expensive interaction with the
underlying reader is
- Socket (java.net)
Provides a client-side TCP socket.
- Semaphore (java.util.concurrent)
A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
- Cipher (javax.crypto)
This class provides access to implementations of cryptographic ciphers for
encryption and decryption
- IOUtils (org.apache.commons.io)
General IO stream manipulation utilities. This class provides static utility
methods for input/outpu
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