- Making http requests using okhttp
- getContentResolver (Context)
- onRequestPermissionsResult (Fragment)
- setContentView (Activity)
- ArrayList (java.util)
ArrayList is an implementation of List, backed by an array. All optional
operations including adding
- UUID (java.util)
UUID is an immutable representation of a 128-bit universally unique identifier
(UUID). There are mul
- Callable (java.util.concurrent)
A task that returns a result and may throw an exception. Implementors define a
single method with no
- CountDownLatch (java.util.concurrent)
A synchronization aid that allows one or more threads to wait until a set of
operations being perfor
- Base64 (org.apache.commons.codec.binary)
Provides Base64 encoding and decoding as defined by RFC 2045.This class
implements section 6.8. Base
- Kernel (java.awt.image)
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