android - How to keep shared preference data after clearing the cache of application from settings -

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i have observed when click on clear cache in settings>apps>particular app, shared preference data deleted.

how keep shared preference data if clear clear cache? possible? if possible means give idea that

it worth noting there 3 types of data clearing in android, of application has no control over:

  • clear data
  • clear cache
  • clear defaults

the way have persistent data use sd card, again, users won't have data on card after app uninstalled or users can un-mount sd card.

or can consider:

  1. storing data on remote server kind of authentication retrieve it
  2. using data backup service

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