There are several implementations of the Adapter class, for specific tasks, such as the CursorAdapter for reading database data from a Cursor, or an ArrayAdapter for reading from an arbitrary array.
针对特定的任务有着很多不同的Adapter类实现，比如CursorAdapter依据Cursor读出一个数据库的数据，而一个ArrayAdapter则从任一个数组进行读取。
There are several implementations of the Adapter class, for specific tasks, such as the CursorAdapter for reading database data from a Cursor, or an ArrayAdapter for reading from an arbitrary array.
针对特定的任务有着很多不同的Adapter类实现，比如CursorAdapter依据Cursor读出一个数据库的数据，而一个ArrayAdapter则从任一个数组进行读取。
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