I build an android application but I want that when I give it for testing then user can not copy it and that apk should not be installed on other devices?how is it possible .can I protect that apk?
Tip: Keep your private key (. keystore file) out of source control and in a separately secured and backed-up system. The app signature will be broken if the . apk is altered in any way — unsigned apps cannot typically be installed.
Get the device ids of the devices you are going to test and just check to see if the current device is one of the devices you want.
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