- Making http post requests using okhttp
- getSharedPreferences (Context)
- onCreateOptionsMenu (Activity)
- runOnUiThread (Activity)
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- FileReader (java.io)
A specialized Reader that reads from a file in the file system. All read
requests made by calling me
- InputStreamReader (java.io)
A class for turning a byte stream into a character stream. Data read from the
source input stream is
- URLConnection (java.net)
A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
- Format (java.text)
The base class for all formats. This is an abstract base class which specifies
the protocol for clas
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- From CI to AI: The AI layer in your organization