- Making http requests using okhttp
- getExternalFilesDir (Context)
- findViewById (Activity)
- putExtra (Intent)
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- BigInteger (java.math)
An immutable arbitrary-precision signed integer.FAST CRYPTOGRAPHY
This implementation is efficient f
- Permission (java.security)
Legacy security code; do not use.
- BorderLayout (java.awt)
A border layout lays out a container, arranging and resizing its components to
fit in five regions:
- Rectangle (java.awt)
A Rectangle specifies an area in a coordinate space that is enclosed by the
Rectangle object's top-
- Window (java.awt)
A Window object is a top-level window with no borders and no menubar. The
default layout for a windo
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