B34 Nice extra data import and export

As an extra step, if your application saves any state using any local form (files, preferences, database, and the like) you may want to implement an import/export data-type Activity. This Activity should allow the user to save the data out to the SD card (in XML format, for example) and should also allow the user to read data back in and populate the local stores. This can make application upgrades easier in some cases, and it can make switching to a new device possible without losing all local data (something your users will appreciate).

Once you are convinced that everything is in place, data import/export included or not, you are then ready to take your wares to the Android Market.

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