Cramps in your hand can arise from a number of different causes. Hand cramps develop as a result of conditions affecting muscles and nerves in your hand. Trauma or injury to a nerve in your hand can also cause hand cramps. Even breathing too fast (hyperventilation) can result in hand cramps, as carbon dioxide levels in the blood become too low. Everyday, simple reasons, such as fatigue from overuse, can lead to temporary, acute cramps in the hand.
Just like files that you save on the device's internal storage, Android stores your database in private disk space that's associated application. Your data is secure, because by default this area is not accessible to other applications. A useful set of APIs is available in the SQLiteOpenHelper class.
Accessing Platform Resources. Android contains a number of standard resources, such as styles, themes, and layouts. To access these resource, qualify your resource reference with the android package name. For example, Android provides a layout resource you can use for list items in a ListAdapter :yntax. Here's the syntax to reference a resource in code: 1  is the name of the package in which the resource is located (not required when referencing resources from your own package). 2  is the R subclass for the resource type.