- Making http post requests using okhttp
- findViewById (Activity)
- onRequestPermissionsResult (Fragment)
- getContentResolver (Context)
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- String (java.lang)
- ArrayList (java.util)
ArrayList is an implementation of List, backed by an array. All optional
operations including adding
- TreeSet (java.util)
TreeSet is an implementation of SortedSet. All optional operations (adding and
removing) are support
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- Cipher (javax.crypto)
This class provides access to implementations of cryptographic ciphers for
encryption and decryption
- Github Copilot alternatives