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The Play Store cannot update an app to a version that is not signed by the original developer. At best it can uninstall and reinstall the app with a different s
by sltkr 5y ago
The Play Store cannot update an app to a version that is not signed by the original developer. At best it can uninstall and reinstall the app with a different signing key, in which case all app data gets wiped.
edit: Actually I don't even know that the App Store has permission to uninstall apps. If it doesn't, then it can only update apps that are signed with developer keys.
As for backups, apps have control over which data can be backed up. Google cannot access app data if the app doesn't consent to it, assuming the Android OS itself is not somehow compromised.
- gruez 5y ago>edit: Actually I don't even know that the App Store has permission to uninstall apps. https://developer.android.com/reference/android/Manifest.permission#DELETE_PACKAGES https://developer.android.com/reference/android/Manifest.per... Skimming the permissions file shipped with opengapps suggests that play store has it. <privapp-permissions package="com.android.vending"> [...] <permission name="android.permission.DELETE_PACKAGES" />