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- getSharedPreferences (Context)
- getExternalFilesDir (Context)
- onCreateOptionsMenu (Activity)
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- IOException (java.io)
Signals a general, I/O-related error. Error details may be specified when
calling the constructor, a
- System (java.lang)
Provides access to system-related information and resources including standard
input and output. Ena
- URL (java.net)
A Uniform Resource Locator that identifies the location of an Internet resource
as specified by RFC
- UnknownHostException (java.net)
Thrown when a hostname can not be resolved.
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
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