- Making http post requests using okhttp
- startActivity (Activity)
- getSystemService (Context)
- onRequestPermissionsResult (Fragment)
- FileInputStream (java.io)
An input stream that reads bytes from a file.
File file = ...finally
if (in != null)
in.clos
- Permission (java.security)
Legacy security code; do not use.
- Arrays (java.util)
This class contains various methods for manipulating arrays (such as sorting and
searching). This cl
- Map (java.util)
A Map is a data structure consisting of a set of keys and values in which each
key is mapped to a si
- Vector (java.util)
Vector is an implementation of List, backed by an array and synchronized. All
optional operations in
- JFrame (javax.swing)
- Github Copilot alternatives