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I am working on a launcher application and my launcher is the only launcher in the tablet. I want to control the users of tablet/application from doing hard reset how can I handle it when my device is Shutdown(or)On . Please let me know if anyone know anything regarding this..?

Thanks in Advance.

Phantômaxx
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KURUMADDALI ANURAG
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    I actually don't think you can without working on the kernel – Iaconis Simone Aug 08 '17 at 06:41
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    Nothing can stop the user from flashing a custom ROM and screw whatever you've done before. And it is their right to. They own their device, not you. – Phantômaxx Aug 08 '17 at 06:55
  • @ModularSynth Nothing can stop is not the answer or comment I am looking for I strongly believe every problem has a solution. I feel same for this and second thing is in my case no one is owning/buying the device we provide the device to facilitate them and want to control the user not to delete the original content thanks for your reply. – KURUMADDALI ANURAG Aug 08 '17 at 07:21
  • Obviusly you can download the kernel and fit it to what you need, you can fin so tutorials like : https://forum.xda-developers.com/showthread.php?t=2110842 but I never tried – Iaconis Simone Aug 08 '17 at 08:15
  • Really. You can't take the ownership of a device. We, the users, don't want you to. – Phantômaxx Aug 08 '17 at 08:21

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You should know that however you approach this problem.. Nothing can stop a person from flashing a custom ROM and overwrite whatever you have done as @ModularSynth mentioned.

Now let's talk about making your own kernel. I believe you can find guides to what you are looking for and use your modifications in a modified ROM and flash the device with it here : https://forum.xda-developers.com/showthread.php?t=2152819

With that said... There is still nothing that can stop a user from taking your device and modifying it unless you can find a way to brick it if it is attempted as a security feature.

Kaze Notus
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