- Start an intent from android
- addToBackStack (FragmentTransaction)
- getSharedPreferences (Context)
- getContentResolver (Context)
- OutputStream (java.io)
A writable sink for bytes.Most clients will use output streams that write data
to the file system (
- HttpURLConnection (java.net)
An URLConnection for HTTP (RFC 2616 [http://tools.ietf.org/html/rfc2616]) used
to send and receive d
- DateFormat (java.text)
Formats or parses dates and times.This class provides factories for obtaining
instances configured f
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- Callable (java.util.concurrent)
A task that returns a result and may throw an exception. Implementors define a
single method with no
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
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