- Parsing JSON documents to java classes using gson
- getExternalFilesDir (Context)
- getSupportFragmentManager (FragmentActivity)
- addToBackStack (FragmentTransaction)
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- Collections (java.util)
This class consists exclusively of static methods that operate on or return
collections. It contains
- Set (java.util)
A Set is a data structure which does not allow duplicate elements.
- Timer (java.util)
Timers schedule one-shot or recurring TimerTask for execution. Prefer
java.util.concurrent.Scheduled
- UUID (java.util)
UUID is an immutable representation of a 128-bit universally unique identifier
(UUID). There are mul
- StringUtils (org.apache.commons.lang)
Operations on java.lang.String that arenull safe.
* IsEmpty/IsBlank - checks if a String contains
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