java - Modifying installed apps permissions (Android) -

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i want develop application android to:

  1. list installed applications in phone.
  2. show list of permissions granted each app.
  3. have ability disable permission granted specific app or enable later on.

till have done first 2 points. searched web know how modify permissions couldn't find useful.

so can give me clue on how implement ? because think doable since there apps can modify permissions (e.g. permission manager).

there various apps in play store call permission manager i'm not sure 1 have looked at.

at least 1 of them works pulling installed app apart, , reforming changed androidmanifest file (and since don't have access original private key, new signature). run reformed app have uninstall old one, , install new one, has 2 significant downsides

  • all data of old app lost
  • since have effective pirate version of app, app no longer update new versions play store.

other apps claim manage app permissions expose hidden app ops permission screen in android 4.3, , google removed later android 4.4 update.


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