- Making http post requests using okhttp
- getExternalFilesDir (Context)
- runOnUiThread (Activity)
- getContentResolver (Context)
- InputStreamReader (java.io)
A class for turning a byte stream into a character stream. Data read from the
source input stream is
- ServerSocket (java.net)
This class represents a server-side socket that waits for incoming client
connections. A ServerSocke
- Dictionary (java.util)
Note: Do not use this class since it is obsolete. Please use the Map interface
for new implementatio
- StringTokenizer (java.util)
Breaks a string into tokens; new code should probably use String#split.>
// Legacy code:
StringTo
- TimeUnit (java.util.concurrent)
A TimeUnit represents time durations at a given unit of granularity and provides
utility methods to
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
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