- Making http requests using okhttp
- getApplicationContext (Context)
- addToBackStack (FragmentTransaction)
- findViewById (Activity)
- FileReader (java.io)
A specialized Reader that reads from a file in the file system. All read
requests made by calling me
- PrintWriter (java.io)
Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
- MessageFormat (java.text)
Produces concatenated messages in language-neutral way. New code should probably
use java.util.Forma
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- TimerTask (java.util)
The TimerTask class represents a task to run at a specified time. The task may
be run once or repeat
- Callable (java.util.concurrent)
A task that returns a result and may throw an exception. Implementors define a
single method with no
- Best IntelliJ plugins