- Start an intent from android
- getExternalFilesDir (Context)
- getApplicationContext (Context)
- scheduleAtFixedRate (Timer)
- FileInputStream (java.io)
An input stream that reads bytes from a file.
File file = ...finally
if (in != null)
in.clos
- OutputStream (java.io)
A writable sink for bytes.Most clients will use output streams that write data
to the file system (
- KeyStore (java.security)
KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
- TimerTask (java.util)
The TimerTask class represents a task to run at a specified time. The task may
be run once or repeat
- TreeSet (java.util)
TreeSet is an implementation of SortedSet. All optional operations (adding and
removing) are support
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
- Top 12 Jupyter Notebook extensions