android how to achieve sequential storage SharedPreferences

android how SharedPreferences stored sequentially
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SharedPreferences default sequential write,
If you want to modify, only write data to files.
Append the new data added to the file last.
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You say you want to know how to go android sdk above to check SharedPreferences, there explain the above, but will use enough.
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SharedPreferences saying what needs your attention or you need to store the sequence and then himself to read and write?
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Either write your own xml bar
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reference to the third floor tanwei4199 reply:

SharedPreferences saying what needs your attention or you need to store the sequence and then himself to read and write?

Makes sense, he's just a way of storing data, certainly when you read to read according to the Key